Rodrigo Vargas

* Student; ** Postdoc; † Publication where Vargas is corresponding author

Letters in bold represent members of the Vargas lab

[201] Sanders-DeMott R, Hutyra L, Hurteau MD, William S, Keeton WS, Fallon KS, Anderegg WRL, Hollinger DY, Kuebbing SE, Lucash M, Ordway EM, Vargas R, Walker W (2025) Ground-Truth: Can Forest Carbon Protocols Ensure High-Quality Credits? Earth’s Future. 13(5):e2024EF005414 https://doi.org/10.1029/2024EF005414

[200] Wei X, Hayes D, Schwalm C, Fisher J, Huntzinger D, Ma L, Vargas R, Brunsell N (2025) Climate constrains the enhancement of CO2 fertilization on forest gross primary productivity. Environmental Research Letters. 20(6): 064013 https://doi.org/10.1088/1748-9326/add177

[199] Poulter et al. [including Vargas] (2025) The North American Greenhouse Gas Budget: emissions, removals, and integration for CO2, CH4, and N2O (2010-2019): Results from the Second REgional Carbon Cycle Assessment and Processes Study (RECCAP2). Global Biogeochemical Cycles. 39(4): e2024GB008310 https://doi.org/10.1029/2024GB008310

[198] Sarupria* M, Vargas R, Walter M, Miller J, Mondal P (2025) Non-linear spectral unmixing for monitoring rapidly salinizing coastal landscapes. Remote Sensing of Environment. 319:114642 https://doi.org/10.1016/j.rse.2025.114642

[197] Duncanson L, Hunka N, Jucker T, Armston J, Harris N, Fatoyinbo L, Williams CA, Atkins JW, Raczka B, Serbin S, Keller M, Dubayah R, Babcock C, Cochrane MA, Hudak A, Hurtt GC, Montesano PM, Moskal LM, Park T, Saatchi S, Silva CA, Tang H, Vargas R, Weiskittel A, Wessels K, Goetz SJ (2025) Spatial resolution for forest carbon maps. Science. 387(6732):370-371 https://doi.org/10.1126/science.adt6811

[196] Dötterl S, Berhe A, Heckman K, Lawrence C, Schnecker J, Vargas R, Vogel C, Wagai R (2025) A landscape-scale view of soil organic matter dynamics. Nature Reviews Earth & Environment. 6:67-81 https://doi.org/10.1038/s43017-024-00621-2

[195] Kennedy RE, Serbin S, Dietze M, Andersen HE, Babcock C, Baker DF, Brown ME, Davis KJ, Duncanson L, Feng S, Hudak AT, Liu J, Patterson PL, Raczka B, Cochrane MA, Sepúlveda E, Vargas R (2024) Characterizing and communicating uncertainty: lessons from NASA’s Carbon Monitoring System. Environmental Research Letters. 19:123003 https://doi.org/10.1088/1748-9326/ad8be0

[194] Oikawa PY, Sihi D, Forbrich I, Fluet-Chouinard E, Najarro M, Thomas O, Shahan J, Arias-Ortiz A, Russell S, Knox SH, McNicol G, Wolfe J, Windham-Myers L, Stuart-Haentjens E, Bridgham SD, Needelman B, Vargas R, Schäfer K, Ward EJ, Megonigal P, Holmquist J (2024) A new coupled biogeochemical modeling approach provides accurate predictions of methane and carbon dioxide fluxes across diverse tidal wetlands. Journal of Geophysical Research-Biogeosciences. 129(10): e2023JG007943 https://doi.org/10.1029/2023JG007943

[193] Arias-Ortiz et al [including Vargas R] (2024) Methane Fluxes in Tidal Marshes of the Contiguous United States: A Synthesis of Fluxes and Analysis of Predictor Variables. Global Change Biology. 30(9):e17462 https://doi.org/10.1111/gcb.17462

[192] Keenan TF, Bohrer G, Scott RL, VargasR (2024) Editorial special issue: Celebrating 25 years of AmeriFlux. Agricultural and Forest Meteorology:110241. https://doi.org/10.1016/j.agrformet.2024.110241

[191] Porras-Diaz N, Ramirez-Jaime A, Arce GR, Pena-Pena K, Harding D, Stephen M, MacKinnon J, VargasR (2024) Transformer end-to-end optimization of compressive lidars using imaging spectroscopy side-Information. IEEE Transactions on Geoscience and Remote Sensing https://doi.org/10.1109/TGRS.2024.3401614

† [190] Durante P, Guevara M*, Vargas R, Oyonarte C (2024) Predicting soil organic carbon with different approaches and spatial resolutions for the southern Iberian Peninsula, Spain. Geoderma Regional. (37)e00780 https://doi.org/10.1016/j.geodrs.2024.e00780

[189] Bond-Lamberty B, Ballantyne A, Berryman E, Fluet-Chouinard E, Jian J, Morris K, Rey A, Vargas R (2024) Twenty years of progress, challenges, and opportunities in measuring and understanding soil respiration. Journal of Geophysical Research-Biogeosciences. 129(2):e2023JG007637 https://doi.org/10.1029/2023JG007637

† [188] Hill A*, Forbich I, Schafer K, Vargas R (2024) Empirical dynamic modeling reveals complexity of methane fluxes in a temperate salt marsh. Journal of Geophysical Research-Biogeosciences. 129(2): e2023JG007630  https://doi.org/10.1029/2023JG007630

† [187] Le VH** and Vargas R (2024) An autocorrelated conditioned Latin hypercube method for temporal or spatial sampling and predictions. Computers and Geosciences. 184:105539. https://doi.org/10.1016/j.cageo.2024.105539

† [186] Braden D*, Mondal P, Park T, et al., Vargas R (2024) Estimating Forest extent across Mexico. Environmental Research Letters. 19: 014083 https://doi.org/10.1088/1748-9326/ad193e

[185] Murray-Tortarolo et al [including Vargas R] (2024) A Greenhouse Gas Budget for Mexico during 2000-2019. Journal of Geophysical Research-Biogeosciences. 129: e2023JG007667 https://doi.org/10.1029/2023JG007667   

† [184] Le H** and Vargas R (2024) Beyond a deterministic representation of the temperature dependence of soil CO2 efflux. Science of the Total Environment 912:169391 https://doi.org/10.1016/j.scitotenv.2023.169391

[183] Abdaki M, Sanchez-Azofeifa A, Vargas R, Ludwig R, Hamann H (2024) Spatial and temporal variation of three Eddy-Covariance flux footprints in a Tropical Dry Forest. Agricultural and Forest Meteorology. 345:109863 https://doi.org/10.1016/j.agrformet.2023.109863

† [182] Capooci M*, Seyfferth AL, Tobias C, Wozniak AS, Hedgpeth A, Bowen M, Biddle J, McFarlane K, Vargas R (2024) High methane concentrations in tidal salt marsh soils: where does the methane go? Global Change Biology 30(1):e17050 https://doi.org/10.1111/gcb.17050

[181] Roa C, Rynge M, Olaya P, Vahi K, Miller T, Griffioen J, Knuth S, Goodhue J, Hudak D, Romanella A, Llamas R*, Vargas R, Livny M, Deelman E, Taufer M (2024) End-to-end Integration of Scientific Workflows on Distributed Cyberinfrastructures: Challenges and Lessons Learned with an Earth Science Application. Pages 1–9 Proceedings of the IEEE/ACM 16th International Conference on Utility and Cloud Computing. Association for Computing Machinery, New York, NY, USA. https://doi.org/10.1145/3603166.3632142

[180] Regier P, Ward N, Izquierdo A, Baldwin A, Day D, McElhinney J, Patel K, Vargas R, Zheng J, Myers-Pigg A (2023) Coastal inundation regime moderates the short-term effects of sediment and soil additions on seawater oxygen and greenhouse gas dynamics: a microcosm experiment.  Frontiers in Marine Science 10:1308590 https://doi.org/10.3389/fmars.2023.1308590

[179] Bansal et al [including Vargas R] (2023) Practical guide to measuring wetland carbon pools and fluxes. Wetlands. 43(105) https://doi.org/10.1007/s13157-023-01722-2

[178] Zhang et al [including Vargas R] (2023) Characterizing the performance of freshwater wetland methane models across time scales at FLUXNET-CH4 sites using wavelet analysis. Journal of Geophysical Research-Biogeosciences. 128(11) e2022JG007259 https://doi.org/10.1029/2022JG007259

[177] Roa C, Olaya P, Llamas R*, Vargas R, Taufer M (2023) GEOtiled: A Scalable Workflow for Generating Large Datasets of High-Resolution Terrain Parameters. Pages 311–312 Proceedings of the 32nd International Symposium on High-Performance Parallel and Distributed Computing. Association for Computing Machinery, New York, NY, USA. https://doi.org/10.1145/3588195.3595941 

[176] McNicol et al (including Vargas R) (2023). Upscaling wetland methane emissions from the FLUXNET-CH4 eddy covariance network (UpCH4 v1.0): Model development, network assessment, and budget comparison. AGU Advances.  4(5):e2023AV000956 https://doi.org/10.1029/2023AV000956

† [175] Vazquez-Lule A* and Vargas R (2023) Proximal remote sensing and gross primary productivity in a temperate salt marsh. Agricultural and Forest Meteorology. 341:109639 https://doi.org/10.1016/j.agrformet.2023.109639 

[174] Xenopoulos MA, Bond‐Lamberty B, Huntzinger D, Desai AR, Feng X, Hammond WM, Moore DJP, Peng X, Sahagian D, Santin C, Vargas R, Wells NS, Wooden P (2023) Update on our action plan for equity, inclusion, and diversity in publishing at JGR: Biogeosciences. Journal of Geophysical Research-Biogeosciences. 128(8): e2023JG007712 https://doi.org/10.1029/2023JG007712

[173] Delgado-Balbuena J, Loescher HW, Aguirre-Gutiérrez CA, Alfaro-Reyna T, Pineda-Martínez LF, Vargas R, Arredondo T (2023) Dynamics of short-term ecosystem carbon fluxes induced by precipitation events in a semiarid grassland. Biogeosciences. 20(12):2369-2385  https://doi.org/10.5194/bg-20-2369-2023

[172] Fettrow S, Jeppi V, Wozniak A, Vargas R, Michael H, Seyfferth A (2023) Physiochemical controls on the horizontal exchange of blue carbon across the salt marsh-tidal channel interface. Journal of Geophysical Research-Biogeosciences. 128(6):e2023JG007404 https://doi.org/10.1029/2023JG007404

[171] Fettrow S, Vargas R, Seyfferth A (2023) Experimentally simulated sea level rise destabilizes carbon-mineral associations in temperate tidal marsh soil. Biogeochemistry. https://doi.org/10.1007/s10533-023-01024-z 

[170] Armas D, Guevara M*, Bezares F, Vargas R, Durante P, Osorno V, Jiménez W, Oyonarte C (2023) Harmonized soil database of Ecuador (HESD version 1): data from 2009 to 2015. Earth System Science Data. 15:431–44 https://doi.org/10.5194/essd-15-431-2023

† [169] Vargas R and Le VH** (2023) The paradox of measuring multiple greenhouse gases from soils. Biogeosciences. 20:15-26 https://doi.org/10.5194/bg-20-15-2023

[168] Vargas-Terminel ML, Rodriguez JC, Yepez EA, Robles-Zazueta CA, Watts C, Garatuza-Payan J, Vargas R, Sanchez-Mejia ZM (2023) Ecosystem-atmosphere CO2 exchange from semiarid mangroves in the Gulf of California. Journal of Arid Environments. 208:104872 https://doi.org/10.1016/j.jaridenv.2022.104872

[167] Olaya P, Kennedy D, Llamas R*, Valera L, Vargas R, Lofstead J, Taufer M (2023) Building trust in earth science findings through data traceability and results explainability. IEE Transactions of Parallel and Distributed Systems. 34(2):704-717 https://doi.org/10.1109/TPDS.2022.3220539 

[166] Larson L, Shrestha G, Williams CA, Vargas R. 2022. Partnerships and collaborations: Institutional, National, and International. In Williams, et al. 2022 North American Carbon Program Science Implementation Plan, Report of the North American Carbon Program. Washington, DC: US Carbon Cycle Science Program. pp: 143-159

† [165] Vázquez-Lule A*, Seyfferth A, Limmer MA, Mey P*, Guevara M*, Vargas R (2022) Hyperspectral reflectance for measuring canopy-level nutrients and photosynthesis in a salt marsh. Journal of Geophysical Research-Biogeosciences. 127(11):e2022JG007088 https://doi.org/10.1029/2022JG007088

† [164] Capooci M* and Vargas R (2022) Trace gas fluxes from tidal salt marsh soils: implications for carbon-sulfur biogeochemistry. Biogeosciences. 19:4655-4670 https://doi.org/10.5194/bg-19-4655-2022

[163] Murray-Tortarolo GM, Poulter B, Vargas R, Hayes D, Michalak A, Williams C, Windham-Myers L, Wang JA, Wickland KP, Chaterjee A, Butman D, Tian H, Sitch S, Friedlingstein P, O’Sullivan M, Briggs P, Arora V, Lombardozzi D, Jain A, Yuan W, Séférian R, Nabel J, Wiltshire A, Arneth A, Lienert S, Zaehle S, Bastrikov V, Goll D, Vuichard N, Walker A, Kato E, Yue X, Zhang Z, Kurz W (2022) A process-model perspective on recent changes in the carbon cycle of North America. Journal of Geophysical Research-Biogeosciences. 127(9):e2022JG006904 http://doi.org/10.1029/2022JG006904 

† [162] Hill A* and Vargas R (2022) Methane and carbon dioxide fluxes in a temperate tidal salt marsh: comparisons between plot and ecosystem measurements. Journal of Geophysical Research-Biogeosciences. 127(9):e2022JG006904http://doi.org/10.1029/2022JG006943 

† [161] Smith EM*, Guevara M*, Tarin T*, Pouyat R, Vargas R (2022) Spatial variability and uncertainty of soil nitrogen across the conterminous United States at different depths. Ecosphere. 13(7):e4170 https://doi.org/10.1002/ecs2.4170 

† [160] Llamas RM*, Valera L, Olaya P, Taufer M, Vargas R (2022) Downscaling satellite soil moisture using a modular spatial inference framework. Remote Sensing. 14(13), 3137 https://doi.org/10.3390/rs14133137

[159] Loescher HW, Vargas R, Mirtl M, Morris B, Pauw J, Yu X, Kutsch W, Mabee P, Tang J, Ruddell BL, Pulsifer P, Back J, Zacharias S, Grant M, Feig G, Zheng L, Waldmann C, Genazzio M (2022) Building a global ecosystem research infrastructure to address global grand challenges for macrosystem ecology. Earth's Future. 10(5):e2020EF001696 https://doi.org/10.1029/2020EF001696

[158] Jian J, Bailey V, Dorheim K, Konings AG, Hao D, Shiklomanov AN, Snyder A, Steele M, Teramoto M, Vargas R, Bond-Lamberty B (2022) Historically inconsistent productivity and respiration fluxes in the global terrestrial carbon cycle. Nature Communications 13:1733 https://doi.org/10.1038/s41467-022-29391-5

[157] Dwivedi D, Santos ADL, Barnard MA, Crimmins TM, Malhotra A, Rod KA, Aho KS, Bell SM, Bomfim B, Brearley FQ, Cadillo-Quiroz H, Chen J, Chen TY, Gough CM, Graham EB, Hakkenberg CR, Haygood L, Koren G, Lilleskov E, Meredith LK, Naeher S, Nickerson ZL, Pourret O, Song HS, Stahl M, Taş N, Vargas R, Weintraub-Leff S (2022) Biogeosciences Perspectives on Integrated, Coordinated, Open, Networked (ICON) Science. Earth and Space Science. 9(3):e2021EA002119 https://doi.org/10.1029/2021EA002119

[156] Xenopoulos MA, Desai A, Huntzinger H, Bastos A, Fawcett S, Sahagian D, Santin C, Vargas R (2022) Statement of contribution to Diversity, Equity, and Inclusion for JGR: Biogeosciences. Journal of Geophysical Research-Biogeosciences. 127, e2022JG006791 https://doi.org/10.1029/2022JG006791

† [155] Capooci* and Vargas R (2022) Diel and seasonal patterns of soil CO2 efflux in a temperate tidal marsh. Science of the Total Environment. 802:149715 https://doi.org/10.1016/j.scitotenv.2021.149715

† [154] Guevara M*and Vargas R (2021) Predicción de carbono orgánico en los suelos de México a un metro de profundidad y 90m de resolución espacial (1999-2009). Terra Latinoamericana. 39:(1-19)e1241 https://doi.org/10.28940/terra.v39i0.1241

[153] Warner D, Guevara M*, Callahan J, Vargas R. (2021) Downscaling satellite soil moisture for landscape applications: A case study in Delaware, USA. Journal of Hydrology: Regional Studies. 38:100946https://doi.org/10.1016/j.ejrh.2021.100946  

[152] Anderson CM, Mattoon EM, Zhang N, Backer E, McHargue W, Yang J, Patel D, Dautermann O, McAdam SAM, Tarin T**, Pathak S, Avenson TJ, Berry J, Braud M, Niyogi KK, Wilson M, Nusinov D, Vargas R, Czymmek KJ, Eveland AL, Zhang R (2021) High light and temperature reduce photosynthetic efficiency through different mechanisms in the C4 model Setaria viridis. Communications Biology. 4:1092 https://doi.org/10.1038/s42003-021-02576-2

[151] Franklin SM, Kravchenko AN, Vargas R, Vasilas B, Fuhrmann JJ, Jin Y (2021) The unexplored role of preferential flow in soil carbon dynamics. Soil Biology and Biochemistry. 161:108398 https://doi.org/10.1016/j.soilbio.2021.108398

† [150] Barba J**, Poyatos R, Capooci*, Vargas R (2021) Spatiotemporal variability and origin of CO2 and CH4 tree stem fluxes in an upland forest. Global Change Biology. 27(19):4879-4893 https://doi.org/10.1111/gcb.15783

[149] Irvin J et al [including Vargas R] (2021) Gap-filling eddy covariance methane fluxes: Comparison of machine learning model predictions and uncertainties at FLUXNET-CH4 wetlands. Agricultural and Forest Meteorology. (308-309):108528. https://doi.org/10.1016/j.agrformet.2021.108528

[148] Saatchi S, et al [including Vargas R] (2021) Detecting vulnerability of humid tropical forests to multiple stressors. One Earth. 4(7):988-1003 https://doi.org/10.1016/j.oneear.2021.06.002

† [147] Hill A*, Vazquez-Lule A*, Vargas R (2021) Linking vegetation spectral reflectance with ecosystem carbon phenology in a coastal salt marsh. Agricultural and Forest Meteorology. 307:108481 https://doi.org/10.1016/j.agrformet.2021.108481

 [146] Delwiche KB, et al [including Vazquez-Lule A* and Vargas R] (2021) FLUXNET-CH4: A global, multi-ecosystem dataset and analysis of methane seasonality from freshwater wetlands. Earth System Science Data. 13:3607-3689 https://doi.org/10.5194/essd-13-3607-2021

[145] Knox, S et al [including Vargas R] (2021) Identifying dominant environmental predictors of freshwater wetland methane fluxes across diurnal to seasonal time scales. Global Change Biology. 27(15)3582-3604https://doi.org/10.1111/gcb.15661

† [144] Stell E*, Warner D, Jian J, Bond-Lamberty B, Vargas R (2021) Spatial biases of information influence global estimates of soil respiration: How can we improve global predictions? Global Change Biology. 27(16):3923-3938.https://doi.org/10.1111/gcb.15666

[143] Lichiheb N, Heuer M, Saylor R, Vargas R, Vazquez-Lule A*, St. Laurent K, Myles L (2021) Atmospheric ammonia measurements over a coastal salt marsh ecosystem along the Mid-Atlantic U.S. Journal of Geophysical Research-Biogeosciences. 126(5):e2019JG005522 https://doi.org/10.1029/2019JG005522

 [142] Chang KY et al [including Vargas R] (2021) Substantial hysteresis in emergent temperature sensitivity of global wetland CH4 emissions. Nature Communications. 12, 2266. https://doi.org/10.1038/s41467-021-22452-1

† [141] Guevara M*, Taufer M, Vargas R (2021) Gap-free global annual soil moisture: 15km grids for 1991-2018. Earth System Science Data. 13:1711-1735 https://doi.org/10.5194/essd-13-1711-2021

† [140] Villarreal S* & Vargas R (2021) Representativeness of FLUXNET sites across Latin America. Journal of Geophysical Research-Biogeosciences.126(3):e2020JG006090  https://doi.org/10.1029/2020JG006090

† [139] Vazquez-Lule AD* & Vargas R (2021) Biophysical drivers of net ecosystem and methane exchange across phenological phases in a tidal salt marsh. Agricultural and Forest Meteorology. 300:108309 https://doi.org/10.1016/j.agrformet.2020.108309

[138] Chu et al [including Vargas R] (2021) Representativeness of eddy-covariance flux footprints for areas surrounding AmeriFlux sites. Agricultural and Forest Meteorology. 301-301:108350 https://doi.org/10.1016/j.agrformet.2021.108350

[137] Ribeiro FL, Guevara M*, Vazquez-Lule AD*, Cunha AP, Zeri M, Vargas R (2021) The impact of drought on soil moisture trends across Brazilian biomes. Natural Hazards and Earth System Sciences. 21:879-892 https://doi.org/10.5194/nhess-21-879-2021

[136] Jian J, Vargas R, Anderson-Teixeira K, Stell E*, Herrmann V, Horn M, Kholod N, Manzon J, Marchesi R, Paredes D, Bond-Lamberty B (2021) A restructured and updated global soil respiration database (SRDB-V5). Earth System Science Data. 13:255-267 https://doi.org/10.5194/essd-13-255-2021

[135] Cueva A*, Bullock SH, Mendez-Alonzo R, Lopez E, Vargas R (2021) Foliage senescence as a key parameter for modeling gross primary productivity in a Mediterranean shrubland. Journal of Geophysical Research-Biogeosciences. 126(1):e2020JG005839 https://doi.org/10.1029/2020JG005839 

[134] Velasco E, Segovia E, Choong AMF, Lim BKY, Vargas R (2021) Carbon dynamics in a residential lawn of a tropical city. Journal of Environmental Management. 280:111752 https://doi.org/10.1016/j.jenvman.2020.111752

† [133] Hill A*, Barba J**, Hom J, Vargas R (2021) Patterns and drivers of multi-annual CO2 emissions within a temperate suburban neighborhood. Biogeochemistry. 152:35-50 https://doi.org/10.1007/s10533-020-00731-1

[132] Bond-Lamberty et al [total 93 co-authors including Vargas R] (2020) COSORE: A community database for continuous soil respiration and other soil-atmosphere greenhouse gas flux data. Global Change Biology. 26(12)7268-7283 https://doi.org/10.1111/gcb.15353 

† [131] Trifunovic B, Vazquez-Lule A*, Capooci M*, Seyfferth AL, Moffat C, Vargas R (2020) Carbon dioxide and methane emissions from a temperate salt marsh tidal creek. Journal of Geophysical Research-Biogeosciences 125(8):e2019JG005558 https://doi.org/10.1029/2019JG005558 

[130] Rojas-Robles N, Garatuza-Payan J, Alvarez-Yepiz J, Vargas R, Yepez E (2020) Environmental controls on carbon and water fluxes in an old-growth tropical dry forest. Journal of Geophysical Research-Biogeosciences. 125(8):e2020JG005666 https://doi.org/10.1029/2020JG005666 

[129] Seyfferth AL, Bothfeld F, Vargas R, Stuckey JW, Wang J, Kearns K, Michael HA, Guimond J, Yu X, Sparks DL (2020) Spatial and temporal heterogeneity of geochemical controls on carbon cycling in a tidal salt marsh. Geochimica et Cosmochimica Acta. 282(1):1-18. https://doi.org/10.1016/j.gca.2020.05.013

[128] Ward N, Megonigal P, Bond-Lamberty B, Bailey V, Butman D, Canuel E, Diefenderfer H, Ganju NK, Goni M, Graham E, Hopkinson CS, Khangaonkar T, Langley JA, McDowell N, Myers-Pigg AN, Neumann RB, Osburn CL, Price RM, Rowland J, Sengupta A, Simard M, Thornton P, Tzortziou M, Vargas R, Weisenhorn P, Windham-Myers L (2020) Representing the function and sensitivity of coastal interfaces in Earth System Models. Nature Communications.  11(2458) https://doi.org/10.1038/s41467-020-16236-2   

[127] Meredith LK, Boye K, Savage K, Vargas R (2020) Formation and fluxes of soil trace gases. Soil Systems 4(2) https://doi.org/10.3390/soilsystems4020022  

† [126] Llamas RM*, Guevara M*, Rorabaugh D, Taufer M, Vargas R (2020) Spatial gap-filling of ESA CCI satellite-derived soil moisture based on geostatistical techniques and multiple regression. Remote Sensing. 12(4),665. https://doi.org/10.3390/rs12040665

[125] Berhe AA, Sztein E, Vargas R, Hartemink AE (2020) The U.S. National Committee for Soil Science. CSA News. 65(2)18-19. https://doi.org/10.1002/csan.20048 

[124] Hannun RA, Wolfe GM, Kawa SR, Hanisco TF, Newman PA, Barrick J, Clark KL, DiGangi JP, Diskin G, Kustas WP, Noormets A, Nowak JB, Thornhill KL, Vargas R (2020) Spatial heterogeneity in CO2 and CH4 fluxes: insights from airborne eddy covariance measurements over the Mid-Atlantic region. Environmental Research Letters. 15(3):035008 https://doi.org/10.1088/1748-9326/ab7391

† [123] Guevara M*, Arroyo C, Brunsell N, Cruz CO, Domke G, Equihua J, Etchevers J, Hayes D, Hengl T, Ibelles A, Johnson K, de Jong B, Libohova Z, Llamas R*, Nave L, Ornelas JL, Paz F, Ressl R, Schwartz A, Victoria A, Wills S, Vargas R (2020) Soil organic carbon across Mexico and the conterminous United States. Global Biogeochemical Cycles. 34(3):e2019GB006219 https://doi.org/10.1029/2019GB006219

[122] Feagin R, Forbrich I, Huff TP, Barr JG, Ruiz-Plancarte J, Fuentes JD, Najjar RG, Vargas R, Vazquez-Lule A*, Windham-Myers L, Kroeger KD, Ward EJ, Moore GW, Leclerc M, Krauss W, Stagg CL, Alber M, Knox SH, Schäfer KVR, Bianchi TS, Hutchings JA, Nahrawi H, Noormets A, Mitra B, Jaimes A, Hinson AL, Bergamaschi B, King JS, Miao G (2020) Tidal wetland gross primary production across the continental United States, 2000-2018. Global Biogeochemical Cycles. 34(2): e2019GB006349 https://doi.org/10.1029/2019GB006349 

[121] Wheeler KI, Levia DF, Vargas R (2020) Visible and near infrared hyperspectral indices explain variation in lower-crown leaf nitrogen resorption. Oecologia. 192:13-27 https://doi.org/10.1007/s00442-019-04554-2   

† [120] Warner D*, Bond-Lamberty B, Jian J, Stell E*, Vargas R (2019) Spatial predictions and associated uncertainty of annual soil respiration at the global scale. Global Biogeochemical Cycles.33(12):1733-1745.  https://doi.org/10.1029/2019GB006264 

† [119] Guevara M*and Vargas R. (2019) Downscaling satellite soil moisture using geomorphometry and machine learning. PlosONE. 14(9):e0219639. https://doi.org/10.1371/journal.pone.0219639  

[118] Knox S, et al (64 authors including Vargas R) (2019) FLUXNET-CH4 synthesis activity objectives, observations and future directions. BAMS. 100(12):2607-2632 https://doi.org/10.1175/BAMS-D-18-0268.1 

† [117] Stell E*, Guevara M*, Vargas R. (2019) Soil swelling potential across Colorado: A digital soil mapping assessment. Landscape and Urban Planning. 190:103599 https://doi.org/10.1016/j.landurbplan.2019.103599 

† [116] Capooci M*, Barba J**, Seyfferth A, Vargas R (2019) Experimental influence of storm-surge salinity on soil greenhouse gas emissions from a tidal salt marsh. Science of the Total Environment.686:1164-1172. https://doi.org/10.1016/j.scitotenv.2019.06.032

† [115] Vazquez-Lule A*, Colditz R, Herrera-Silveira J, Guevara M*, Rodriguez-Zuniga MT, Cruz I, Ressl R, Vargas R (2019) Greenness trends and carbon stocks of mangroves across Mexico. Environmental Research Letters. 14:075010

https://doi.org/10.1088/1748-9326/ab246e

[114] Rorabaugh D, Guevara M*, Llamas R*, Kitson J, Vargas R, Taufer M (2019) SOMOSPIE: A modular SOil MOisture SPatial Inference Engine based on data driven decisions. eScience 1-10. 10.1109/eScience.2019.00008

† [113] Villarreal S*, Guevara M*, Alcaraz-Segura D, Vargas R (2019) Optimizing an environmental observatory network using publicly available data. Journal of Geophysical Research-Biogeosciences. 124(7):1812-1826  https://doi.org/10.1029/2018JG004714 

[112] Delgado-Balbuena J; Arredondo T, Loescher H, Pineda-Martínez L, Carbajal N, Vargas R (2019) Seasonal precipitation legacy effects determine the annual carbon balance of a semiarid grassland. Journal of Geophysical Research-Biogeosciences. 124:987-1000. https://doi.org/10.1029/2018JG004799

† [111] Vargas R and Barba J** (2019) Greenhouse gas fluxes from tree stems. Trends in Plant Science.24(4):296-299 https://doi.org/10.1016/j.tplants.2019.02.005 

† [110] Barba J**, Poyatos R, Vargas R (2019) Automated measurements of greenhouse gas fluxes from tree stems and soils: magnitudes, patterns and drivers. Scientific Reports. 9:4005 https://doi.org/10.1038/s41598-019-39663-8

[109] Moya-Jimenez R, Sanchez-Canete EP, Vargas R, Lopex-Ballesteros A, Oyonarte C, Kowalski AS, Serrano-Ortiz P, Domingo F (2019) CO2 dynamics are strongly influenced by low frequency atmospheric pressure changes in semiarid grasslands. Journal of Geophysical Research-Biogeosciences, 124, 902-917. https://doi.org/10.1029/2018JG004961 

[108] Hinojo-Hinojo C, Castellanos A, Huxman T, Rodriguez Julio, Vargas R, Romo-León J, Biederman JA (2019) Native shurbland and managed buffelgrass savanna in drylands: implications for ecosystem carbon and water fluxes. Agricultural and Forest Meteorology. 268:269-278. https://doi.org/10.1016/j.agrformet.2019.01.030 

[107] Delgado-Balbuena J, Yépez EA,Paz-Pellat F, Ángeles-Pérez G, Aguirre-Gutiérrez C, Alvarado-Barrientos MS, Arredondo T, Ayala-Niño F, Bullock S, Castellanos AE, Cueva A, Figueroa-Espinoza B, Garatuza- Payán J, González-del Castillo E, González-Sosa E, Guevara-Escobar A, Hinojo-Hinojo C, Kyaw-Tha PU, Lizárraga-Celaya C, Maya-Delgado Y, Oechel W, Pérez-Ruiz ER, Quesada-Avendaño M, Robles-Zazueta CA, Rodríguez JC, Rojas-Robles NE, Tarin-Terrazas T, Troyo-Diéguez E, Uuh-Sonda J, Vargas-Terminel ML, Vargas R, Vega-Puga MG, Verduzco VS, Vivoni ER, Watts CJ (2019) Database of vertical carbon dioxide fluxes at terrestrial and coastal ecosystems in Mexico. Elementos para Politicas Publicas. 2(2)93-108. http://www.elementospolipub.org/ojs/index.php/epp/article/view/41/49 

[106] Billesbach DP, Chan SE, Cook DR, Papaple D, Bracho-Carrillo R, Verfallie J, Vargas R, Biraud SC (2019) Effects of the Gill-Solent WindMaster-Pro “w-boost” firmware bug on eddy covariance fluxes and some simple recovery strategies. Agricultural and Forest Meteorology. 265:145-151. https://doi.org/10.1016/j.agrformet.2018.11.010   

† [105] Barba J**, Bradford MA, Brewer PE, Bruhn D, Covey K, van Haren J, Megonigal JP, Mikkelsen TN, Pangala S, Pihlatie M, Poulter B, Rivas-Ubach A, Schadt CW, Terazawa K, Warner DL, Zhang Z, Vargas R (2019) Methane emissions from trees: a new frontier in the global carbon cycle. New Phytologist. 22:18-28. https://doi.org/10.1111/nph.15582

† [104] Warner D*, Guevara M*, Inamdar S, Vargas R (2019) Upscaling soil-atmosphere CO2 and CH4 fluxes across a topographically complex forested landscape. Agricultural and Forest Meteorology. 264:80-91. https://doi.org/10.1016/j.agrformet.2018.09.020

† [103] Hayes DJ, Vargas R, Alin SR, Conant RT, Hutyra LR, Jacobson AR, Kurz WA, Liu S, McGuire AD, Poulter B, Woodall CW (2018) Chapter 2: The North American carbon budget. In Second State of the Carbon Cycle Report (SOCCR2): A Sustained Assessment Report. [Cavallaro, N., G. Shrestha, R. Birdsey, M. A. Mayes, R. G. Najjar, S. C. Reed, P. Romero-Lankao, and Z. Zhu (eds.)]. U.S. Global Change Research Program, Washington, DC, USA, pp. 71-108, https://https://doi: 10.7930/SOCCR2.2018.Ch2

[102] Tablot CJ, Bennett EM, Cassell K, Hanes DM, Minor EC, Paerl H, Raymond PA, Vargas R, Vidon PG, Wollheim W, Xenopoulos MA (2018) The impact of flooding on aquatic ecosystem services. Biogeochemistry. 141(3):439-461 https://doi.org/10.1007/s10533-018-0449-7

[101] Soriano-Luna M, Angeles-Perez G, Guevara M*, Birdsey R, Pan Y, Vaquera-Huerta H, Valdez-Lazalde JR, Johnson K, Vargas R (2018) Determinants of above-ground biomass and its spatial variability in a temperate forest managed for timber production. Forests. 9(8): 490. https://doi.org/10.3390/f9080490 

† [100] Villarreal S*, Guevara M*, Alcaraz-Segura D, Brunsell NA, Hayes D, Loescher HW, Vargas R (2018) Ecosystem functional diversity and the representativeness of environmental networks across the conterminous United States. Agricultural and Forest Meteorology. 262:423-433. https://doi.org/10.1016/j.agrformet.2018.07.016 

† [99] Vargas R, Sánchez-Cañete E, Serrano-Ortiz P, Curiel Yuste J, Domingo F, López-Ballesteros A, Oyonarte C (2018) Hot-moments of CO2 fluxes in a water-limited grassland. Soil Systems. 2:0047. https://doi.org/10.3390/soilsystems2030047

† [98] Guevara M*, Olmedo GF, Stell E*, Yigini Y, Agular Y, Arellano C, Arevalo G, Arroyo C, Bustamante N, Cruz-Gaistardo C, Hernandez J, Ibelles A, Mendoza F, Osorio R, Ramos I, Rey J, Rodriguez J, Roopnarine R, Rosales A, Rosales K, Schulz G, Spence A, Vasques G, Loayza V, Rivera R, Encina A, Bolivar A, Olivera C, Bunning S, Vargas RR, Vargas R (2018) No Silver Bullet for Digital Soil Mapping: Country-specific Soil Organic Carbon Estimates across Latin America. SOIL. 4:173-193. https://doi.org/10.5194/soil-4-173-2018

[97] Bond-Lamberty B, Bailey VL, Chen M, Gough CM, Vargas R. Globally rising soil heterotrophic respiration over recent decades (2018) Nature 560:80-83 https://doi.org/10.1038/s41586-018-0358-x 

[96] Zhang Q, Phillips RP, Manzoni S, Scott RL, Oishi AC, Finzi A, Daly E, Vargas R, Novick KA (2018) Changes in photosynthesis and soil moisture drive seasonal soil respiration-temperature hysteresis relationship. Agricultural and Forest Meteorology. 259:184-195. https://doi.org/10.1016/j.agrformet.2018.05.005 

[95] Hinojo-Hinojo C, Castellanos AE, Llano-Sotelo J, Penuelas J, Vargas R, Romo-Leon JR (2018) High Vcmax, Jmax and photosynthetic rates of Sonoran Desert species: using nitrogen and specific leaf area traits as predictors in biochemical models. Journal of Arid Environments. 156:1-8. https://doi.org/10.1016/j.jaridenv.2018.04.006

[94] Kitson T, Olaya P, Racca E, Wyatt MR, Guevara M*, Vargas R, Taufer M (2018) Data analytics for modeling soil moisture patterns across United States ecoclimatic domains. IEEE International Conference on Big Data. pp 4768-4770. http://doi.org/10.1109/BigData.2017.8258536    

[93] Vazquez-Lule A*, Bejarano M, Olguin M, Villeda E, Vargas R (2018) Integración y síntesis de datos para el monitoreo de los manglares de México.  In: Métodos para la caracterización de los manglares mexicanos: un enfoque espacial multi-escala. Edited by CONABIO. pp 245-265. ISBN: 978-607-8570-03-4. http://www.biodiversidad.gob.mx/ecosistemas/manglares2013/pdf/metodos/caracterizacion_manglares.pdf

[92] Warner D*, Vargas R, Seyfferth A, Inamdar S (2018) Transitional slopes act as hotspots for both CO2 and CH4 uptake in a temperate forest landscape. Biogeochemistry. 138(2):121-135 https://doi.org/10.1007/s10533-018-0435-0 

[91] Johnson E, Inamdar S, Kan JJ, Vargas R (2018) Particulate organic matter (POM) composition in stream runoff following large storms: role of POM sources, particulate size, and event characteristics. Journal of Geophysical Research-Biogeosciences. 123(2):660-675 https://doi.org/10.1002/2017JG004249 

[90] Dietze MC, Fox A, Beck-Johnson L, Betancourt JL, Hooten MB, Jarnevich CS, Keitt T, Kenney MA, Laney CM, Larsen LG, Loescher HW, Lunch CK, Pijanowski B, Randerson JT, Read EK, Tredennick AT, Vargas R, Weathers KC, White EP (2018) Iterative near-term ecological forecasting: Needs, opportunities, and challenges. Proceedings of the National Academy of Sciences. 115(7):1424-1432.https://doi.org/10.1073/pnas.1710231115 

[89] Limmer M, Mann J, Amaral D, Vargas R, Seyfferth A (2018) Silicon-rich amendments in rice paddies: effects on arsenic uptake and biogeochemistry. Science of Total Environment. 624:1360-1368. https://doi.org/10.1016/j.scitotenv.2017.12.207

† [88] Barba J**, Cueva A*, Bahn M, Barron-Gafford GA, Bond-Lamberty B, Hanson PJ, Jaimes A**, Kulmala L, Pumpanen J, Scott RL, Wohlfahrt G, Vargas R (2018) Comparing ecosystem and soil respiration: a synthesis of tower-based and soil measurements. Agricultural and Forest Meteorology. 249:434-443. https://doi.org/10.1016/j.agrformet.2017.10.028

† [87] Petrakis S*, Barba J**, Bond-Lamberty B, Vargas R (2018) Using greenhouse gas fluxes to define soil functional types. Plant and Soil. 423(1-2):285-294 https://doi.org/10.1007/s11104-017-3506-4

[86] Harden J, Hugelius G, Ahlström A, Blankinship J, Bond-Lamberty B, Lawrence C, Loisel J, Malhotra A, Jackson R, Ogle S, Phillips C, Ryals R, Todd-Brown K, Vargas R, Vergara S, Cotrufo F, Keiluweit M, Heckman K, Crow S, Silver W, DeLonge M, Nave L (2018) Networking our science to characterize the state, vulnerabilities, and management opportunities of soil organic matter. Global Change Biology. 24:e705–e718 https://doi.org/10.1111/gcb.13896 

[85] Reimer J, Wang H, Vargas R, Cai WJ (2017) Multi-decadal fCO2 increase along the United States southeast coastal margin. Journal of Geophysical Research-Oceans. 122:10061-10072. https://doi.org/10.1002/2017JC013170

[84] Armas D, Guevara M*, Alcaraz-Segura D, Vargas R, Soriano-Luna A, Durante P, Oyonarte C (2017) Mapa digital del perfil del carbono orgánico en los suelos de Andalucía, España. Ecosistemas. 26(3):80-88. https://doi.org/10.7818/ECOS.2017.26-3.10 

[83] Reimer J, Cai WJ, Xue L, Vargas R, Noakes S, Hu X, Signorini SR, Chen B, Mathis J, Feely RA, Sutton AJ, Sabine C, Musielewicz S, Chen B, Wanninhkof R (2017) Time series pCO2 at a costal mooring: internal consistency, seasonal cycles, and interannual variability. Continental Shelf Research. 145:95-108. https://doi.org/10.1016/j.csr.2017.06.022 

[82] Adams HD, Zeppel MJB, Anderegg WRL, Hartmann H, Landhäusser SM, Tissue DT, Huxman TE, Hudson PJ, Franz TE, Allen CD,  Anderegg LDL, Barron-Gafford GA, Beerling DJ, Breshears DD, Brodribb TJ, Bugmann H, Cobb RC, Collins AD, Dickman LT, Duan H, Ewers BE, Galiano L, Galvez DA, Garcia-Forner N, Monica L. Gaylord ML, Germino MJ, Gessler A, Hacke UG, Hakamada R, Hector A, Jenkins MW, Kane JM, Kolb TE, Law DJ, Lewis JD, Limousin JM, Macalady AK, Martínez-Vilalta J, Mencuccini M, Mitchell PJ, Muss JD, O'Brien MJ, O'Grady AP, Pangle RE, Pinkard EA, Piper FI, Plaut JA, Pockman WT, Quirk J, Reinhardt K, Ripullone F, Sala A, Sevanto S, Sperry JS, Vargas R, Vennetier M, Way DA , Xu C, Yepez EA, McDowell NG (2017) A multi-species synthesis of physiological mechanisms in drought-induced tree mortality. Nature Ecology and Evolution. 1:1285-1291. https://doi.org/10.1038/s41559-017-0248-x 

 [81] Cueva A*, Bullock SH, Lopez E, Vargas R (2017) Potential bias of daily soil CO2 efflux estimates due to sampling time. Scientific Reports. 7, Article number: 11925. https://doi.org/10.1038/s41598-017-11849-y 

 [80] Castro A*, Martinez-Osuna JF, Michel R, Escoto-Rodriguez M, Bullock SH, Cueva A*, Lopez-Reyes E, Reimer J**, Salazar M, Villarreal S*, Vargas R (2017) A low-cost modular data-acquisition system for monitoring biometeorological variables. Computers and Electronics in Agriculture. 141:357-371. https://doi.org/10.1016/j.compag.2017.08.010 

† [79] Warner D*, Villarreal S*, McWilliams K*, Inamdar S, Vargas R (2017) Carbon dioxide and methane fluxes from tree stems, coarse woody debris, and soils in an upland temperate forest. Ecosystems. 20:1205-1216. https://doi.org/10.1007/s10021-016-0106-8 

 [78] Phillips CL, Bond-Lamberty B, Desai AR, Lavoie M, Risk D, Tang J, Todd-Brown K, Vargas R (2017) The value of soil respiration measurements for interpreting and modeling terrestrial carbon cycling. Plant and Soil. 413:1-25 (Invited Marschner Review). https://doi.org/10.1007/s11104-016-3084-x 

[77] Biederman JA, Scott RL, Bell TW, Bowling DR, Dore S, Garatuza-Payan J, Kolb TE, Krishnan P, Krofcheck DJ, Litvak ME, Maurer GE, Meyers TP, Oechel WC, Papuga SA, Ponce-Campos GE, Rodriguez JC, Smith WK, Vargas R, Watts CJ, Yepez EA, Goulden ML (2017) CO2 exchange and evapotranspiration across dryland ecosystems of southwestern North America. Global Change Biology. 10(23):4204-4221 https://doi.org/10.1111/gcb.13686 

[76] Gutekunst M*, Vargas R, Seyfferth AL (2017) Impacts of soil incorporation of pre-incubated silica-rich rice residue on soil biogeochemistry and greenhouse gas fluxes under flooding and drying. Science of Total Environment. 593-594:134-143. https://doi.org/10.1016/j.scitotenv.2017.03.097 

† [75] Petrakis S*, Seyfferth A, Kan J, Inamdar S, Vargas R (2017) Influence of experimental extreme water pulses on greenhouse gas emissions from soils. Biogeochemistry. 133:147-164. https://doi.org/10.1007/s10533-017-0320-2

[74] Hengl T, Mendes de Jesus J, Heuvelink BM, Gerard B.M. Heuvelink BMG, Ruiperez Gonzalez M, Kilibarda M, Blagotic A, Shangguan W, Wright MN, Geng X, Bauer-Marschallinger B, Guevara MA*, Vargas R, MacMillan RA, Batjes NH, Leenaars JGB, Ribeiro E, Wheeler I, Mantel S, Kempen B (2017) SoilGrids250m: global gridded soil information based on Machine Learning. PlosONE. 12(2): e0169748. https://doi.org/10.1371/journal.pone.0169748

† [73] Vargas R, Alcaraz-Segura D, Birdsey R, Brunsell NA, Cruz-Gaistardo CO, de Jong B, Etchevers J, Guevara M*, Hayes DJ, Johnson K, Loescher HW, Paz F, Ryu Y, Sanchez-Mejia Z**, Toledo-Gutierrez KP* (2017) Enhancing interoperability to facilitate implementation of REDD+: case study of Mexico. Carbon Management. 8(1):57-65. https://doi.org/10.1080/17583004.2017.1285177 

[72] Bond-Lamberty B, Epron D, Harden J, Harmon ME, Hoffman F, Kumar J, McGuire DA, Vargas R (2016) Estimating heterotrophic respiration at large scales: challenges, approaches, and next steps. Ecosphere 7(6): e01380. https://doi.org/10.1002/ecs2.1380   

† [71] Pearson AJ*, Pizzuto JA, Vargas R (2016) Influence of run of river dams on floodplain sediments and carbon dynamics. Geoderma 272:51-63. https://doi.org/10.1016/j.geoderma.2016.02.029

† [70] Reimer JJ**, Cueva A*, Gaxiola-Castro G, Lara-Lara R, Vargas R (2016) Random error analysis of pCO2 measurements in a costal upwelling region. Progress in Oceanography. 143:1-12. https://doi.org/10.1016/j.pocean.2016.02.003

[69] Dore S, Fry DL, Collins BM, Vargas R, Stephens SL (2016) Management impacts on carbon dynamics in a Sierra Nevada mixed conifer forest. PlosOne 11(2): e0150256. https://doi.org/10.1371/journal.pone.0150256

[68] Biederman JA, Scott RL, Goulden ML, Vargas R, Litvak ME, Kolb TE, Yepez EA, Oechel WC, Blanken PD, Bell TW, Garatuza-Payan J, Maurer GE, Dore S, Burns SP (2016) Terrestrial carbon balance in a drier world: the effects of water availability in southwestern North America. Global Change Biology 22:1867–1879. https://doi.org/10.1111/gcb.13222 

† [67] Villarreal S*, Vargas R, Yepez E, Acosta JS, Castro A, Escoto-Rodriguez M, Lopez E, Martinez-Osuna J, Rodriguez J, Smith S, Vivoni E, Watts C (2016) Contrasting precipitation seasonality influence evapotranspiration in two water-limited shrublands. Journal of Geophysical Research-Biogeosciences 121:494-508. https://doi.org/10.1002/2015JG003169 

[66] Petrie MD, Brunsell NA, Vargas R, Collins SL, Flanagan LB, Hanan NP, Litvak ME, Suyker AE (2016) The sensitivity of carbon exchanges in Great Plains grasslands to precipitation variability. Journal of Geophysical Research- Biogeosciences 121:280-294. https://doi.org/10.1002/2015JG003205

[65] McKinney R, Pallipuram VK, Vargas R, Taufer, M (2015) From HPC Performance to Climate Modeling: Transforming Methods for HPC Predictions into Models of Extreme Climate Conditions. IEEE 11th International Conference on e-Science: 108-117. https://doi.org/10.1109/eScience.2015.33 

[64] Programa de Investigación en Cambio Climático (PICC) (2015) Reporte Mexicano de Cambio Climático. Grupo I: Bases Científicas, Modelos y Modelación. (Mexican Report on Climate Change. Group I: Scientific Bases, Models and Modeling). Contributing author for the 7th chapter entitled “Ciclos Biogeoquímicos” (Biogeochemical cycles). ISBN: 978-607-02-7522-7. http://www.pincc.unam.mx/libro_reportemex/RMCC_vol1.pdf 

[63] FAO and ITPS (2015) Status of the World’s Soil Resources (SWSR) – Main Report. Food and Agriculture Organization of the United Nations and Intergovernmental Technical Panel on Soils, Rome, Italy. Contributing author for Chapter 12 entitled “Regional assessment of soil changes in Latin America and the Caribbean”.

† [62] Vargas R, Alin S, Shrestha G (2015) Integrating carbon cycle research into decision-making processes. EOS, 96. https://doi.org/10.1029/2015EO037893   

[61] Rodriguez-Robles U, Arredondo JT, Huber-Sannwald E, Vargas R (2015) Geoecohydrological mechanisms couple soil and leaf water dynamics and facilitate species coexistence in shallow soils of a tropical semiarid mixed forest. New Phytologist 207:59-69. https://doi.org/10.1111/nph.13344 

† [60] Reimer JJ**, Vargas R, Rivas D, Gaxiola-Castro G, Hernandez-Ayon M, Lara-Lara R (2015) Sea surface temperature influence on terrestrial gross primary production along the southern California Current. PLoS ONE. 10(4):e0125177 https://doi.org/10.1371/journal.pone.0125177

† [59] Cueva A*, Bahn M, Litvak M, Pumpanen J, Vargas R. (2015) A multisite analysis of random errors in soil CO2 efflux. Journal of Geophysical Research-Biogeosciences 120:737-751. https://doi.org/10.1002/2014JG002690  

[58] King AW, Andres RJ, Davis KJ, Hafer M, Hayes DJ, Huntzinger DN, de Jong B, Kurz WA, McGuire AD, Vargas R, Wei Y, West TO, Woodall CW (2015) North America’s net terrestrial carbon exchange with the atmosphere 1990-2009. Biogeosciences 12:399-414 https://doi.org/10.5194/bg-12-399-2015

[57] Milne E, Banwart S, Noellemeyer E, et al including Vargas R (2015) Soil carbon, multiple benefits. Environmental Development 13:33-38. https://doi.org/10.1016/j.envdev.2014.11.005   

[56] Nziguheba G, Vargas R, Bationo A, Black H, Buschiazzo D, de-Brogniez D, Joosten H, Melillo J, Richter DB, Termansen M (2015) Soil Carbon, a Critical Natural Resource: Wide-scale goals, urgent actions. In:  SA Banwart, E Noellemeyer and E Milne (Eds.) “Soil Carbon: science, management and policy for multiple benefits”. CABI. 10-25. https://doi.org/10.1079/9781780645322.0010 

[55] Banwart S, Black H, Cai Z, Gicheru P, Joosten H, Victoria R, Milne E, Noellemeyer E, Pascual U, Nziguheba G, Vargas R, Bationo A, Buschiazzo D, de-Brogniez D, Melillo J, Richter D, Termansen M, van Noordwijk M, Goverse T, Ballabio C, Bhattacharyya T, Goldhaber M, Nikolaidis N, Zhao Y, Funk R, Duffy C, Pan G, la Scala N, Gottschalk P, Batjes N, Six J, van Wesemael B, Stocking M, Bampa F, Bernoux M, Feller C, Lemanceau P, Montanarella L (2014) Benefits of soil carbon: report on the outcomes of an international scientific committee on problems of the environment rapid assessment workshop. Carbon Management 5:185-192 https://doi.org/10.1080/17583004.2014.913380 

† [54] Leon E*, Vargas R, Bullock S, Lopez E, Panosso AR, La Sacla N (2014) Hot spots, hot moments and spatio-temporal controls of soil CO2 efflux in a Mediterranean shrubland. Soil Biology and Biogeochemistry. 77:12-21. https://doi.org/10.1016/j.soilbio.2014.05.029 

[53] Vicca S, Bahn M, Estiarte M, Vargas R, Alberti G, Ambus P, Arain A, Beier C, Bentley LP, Borken W, Buchmann N, Collins SL, de Dato G, Dukes JS, Escolar C, Fay P, Guidolotti G, Hanson PJ, Kahmen A, Kröel-Dulay G, Ladreiter-Knauss T, Larsen KS, Lellei-Kovacs E, Lebrija-Trejos E, Maestre FT, Marhan S, Marshall M, Meir P, Miao Y, Muhr J, Niklaus PA, Ogaya R, Peñuelas J, Poll C, Rustad LE, Savage K, Schindlbacher A, Schmidt IK, Smith AR, Sotta ED, Suseela V, Tietema A van Gestel N, van Loon EE, van Straaten O, Wan S, Weber U, Janssens IA (2014) Can current moisture responses predict soil respiration under altered precipitation regimes? A synthesis of manipulation experiments. Biogeosciences.  11:2991-3013 https://doi.org/10.5194/bg-11-2991-2014

[52] Dietze MC, Sala A, Carbone MS, Czimczik CI, Mantooth JA, Richardson AD, Vargas R. (2014) Nonstructural carbon in woody plants. Annual Review of Plant Biology. 65:667-687. https://doi.org/10.1146/annurev-arplant-050213-040054

[51] Levy O, Ball BA, Bond-Lamberty B, Cheruvelil KS, Finley AO, Lottig N, Punyasena SW, Xiao J, Zhou J, Buckley LB, Filstrup CT, Keitt T, Kellner JR, Knapp AK, Richardson AD, Stow C, Tcheng D, Toomey M, Vargas R, Voordeckers JW, Wagner, Williams JW (2014) Approaches to advance scientific understanding of macrosystems ecology. Frontiers in Ecology and Environment. 12(1):15-23 https://doi.org/10.1890/130019

[50] Heffernan JB, Soranno PA, Angilletta MJ, Buckley LB, Gruner DS, Keitt TH, Kellner JR, Kominoski JS, Rocha AV, XiaoJ, Harms TK, Goring SJ, Koenig LE, McDowell WH, Powell H, Richardson AD, Stow CA, Vargas R, Weathers KC (2014) Macrosystems Ecology: understanding ecological pattern and processes at continental scales. Frontiers in Ecology and Environment. 12:5-14 https://doi.org/10.1890/130017

† [49] Vargas R, Paz F, de Jong B (2013) Quantification of forest degradation and belowground carbon dynamics: Ongoing challenges for monitoring, reporting and verification for REDD+. Carbon Management. 4(6):579-582 https://doi.org/10.4155/cmt.13.63

[48] Stoy PC, Dietze M, Richardson AD, Vargas R, Barr AG, Anderson RS, Arain MA, Baker IT, Black TA, Chen JM, Cook RB, Gough CM, Grant RF, Hollinger DY, Izaurralde C, Kucharik CJ, Lafleur P, Law BE, Liu S, Lokupitiya E, Luo Y, Munger JW, Peng C, Poulter B, Price DT, Ricciuto DM, Riley WJ, Sahoo AK, Schaefer K, Schwalm CR, Tian H, Verbeeck H, Weng E (2013) Evaluating the agreement between measurements and models of net ecosystem exchange at different times and time scales using wavelet coherence: An example using data from the North American Carbon Program Site-Level Interim Synthesis. Biogeosciences. 10:6893-6909 https://doi.org/10.5194/bg-10-6893-2013 

[47] Ding R, Kang S, Vargas R, Zhang Y, Hao X, Tong L (2013) Multiscale spectral analysis of temporal variability in evapotranspiration over irrigated cropland in an arid region. Agricultural Water Management. 130:79-89 https://doi.org/10.1016/j.agwat.2013.08.019

† [46] Reimer JJ**, Vargas R, Smith SV, Lara-Lara R, Gaxiola-Castro G, Hernandez-Ayon M, Castro A*, Escoto-Rodriguez M, Martinez-Osuna J (2013) Air-sea CO2fluxes in the near-shore and coastal zone influenced by the California Current. Journal of Geophysical Research-Oceans. 118:4795-4810 https://doi.org/10.1002/jgrc.20319

[45] Fares S, Vargas R, Detto M, Goldstein A, Karlik J, Paoletti E, Vitale M. (2013) Tropospheric ozone reduces carbon assimilation in trees: estimates from analysis of continuous flux measurements. Global Change Biology. 19(8):2427-2443 https://doi.org/10.1111/gcb.12222  

† [44] Vargas R, Sonnentag O, Abramowitz G, Carrara A, Chen JM, Ciais P, Correia A, Keenan TF, Kobayashi H, Ourcival J-M, Papale D, Pearson D, Pereira JS, Piao S, Rambal S, Baldocchi DD (2013) Drought influences the accuracy of simulated ecosystem fluxes: a model-data meta-analysis for Mediterranean oak woodlands. Ecosystems. 16(5):749-764 https://doi.org/10.1007/s10021-013-9648-1

† [43] Vargas R, Yepez EA, Andrade JL, Angeles G, Arredondo T, Castellanos AE, Delgado-Balbuena J, Garatuza-Payan J, González del Castillo E, Oechel W, Rodriguez JC, Sánchez-Azofeifa A, Velasco E, Vivoni ER, Watts C (2013) Progress and challenges for measurements of water and greenhouse gas fluxes in Mexican ecosystems: MexFlux. Atmosfera. 26(3):325-336. https://doi.org/10.1016/S0187-6236(13)71079-8

† [42] Vargas R (2012) How a hurricane disturbance influences extreme CO2fluxes and variance in a tropical forest. Environmental Research Letters. 7:035704. 

                 https://doi.org/10.1088/1748-9326/7/3/035704

[41] Ryu Y, Verfaillie J, MacFarlane C, Kobayashi H, Sonnentag O, Vargas R, Ma S, Baldocchi DD (2012) Continuous observation of tree leaf area index at ecosystem scale using upward-pointing digital cameras. Remote Sensing of Environment. 126:116-125 https://doi.org/10.1016/j.rse.2012.08.027

[40] Schaefer K, Schwalm C, Williams C, Arain MA, Barr A, Chen J, Davis KJ, Dimitrov D, Hilton TW, Hollinger DY, Humphreys E, Poulter B, Raczka BM, Richardson AD, Sahoo A, Thornton P, Vargas R, Verbeeck H, Anderson R, Baker I, Black TA, Bolstad P, Chen J, Curtis P, Desai AR, Dietze M, Dragoni D, Gough C, Grant RF, Gu L, Jain A, Kucharik C, Law B, Liu S, Lokipitiya E, Margolis HA, Matamala R, McCaughey JH, Monson R, Munger JW, Oechel W, Peng C, Price DT, Ricciuto D, Riley WJ, Roulet N, Tian H, Tonitto C, Torn M, Weng E, Zhou X (2012) A model-data comparison of gross primary productivity: results from the North American carbon Program site synthesis. Journal of Geophysical Research-Biogeosciences. 117:G03010 https://doi.org/10.1029/2012JG001960

[39] Kim DG, Vargas R, Bond-Lamberty B, Turetsky M (2012). Effects of rewetting and thawing on soil gas fluxes: a review of current literature and suggestions for future research. Biogeosciences. 9:2459-2483 https://doi.org/10.5194/bg-9-2459-2012

[38] Baldocchi DD, Reichstein M, Papale D, Koteen L, Vargas R, Agarwal D, Cook R (2012) The Role of Flux Networks in Biogeosciences. EOS transactions AGU. 93(23):217 https://doi.org/10.1029/2012EO230001    

† [37] Vargas R, Loescher HW, Arredondo T, Huber-Sannwald E, Lara-Lara R, Yepez EA (2012) Opportunities for advancing carbon cycle science in Mexico: towards a continental scale understanding. Environmental Science and Policy. 21:84-93 https://doi.org/10.1016/j.envsci.2012.04.003  

[36] Querejeta JI, Egerton-Warburton LM, Prieto I, Vargas R, Allen MF (2012) Changes in soil hyphal abundance and viability can alter the patterns of hydraulic redistribution by plant roots. Plant and Soil. 355:63-73. https://doi.org/10.1007/s11104-011-1080-8

† [35] Vargas R, Collins SL, Thomey M, Johnson J, Brown R, Natvig D, Friggens M (2012) Precipitation variability and fire influence the temporal dynamics of soil CO2 efflux in an arid grassland. Global Change Biology. 18(4):1401-1411 https://doi.org/10.1111/j.1365-2486.2011.02628.x

[34] Richardson A, Anderson R, Arain MA, Barr A, Bohrer G, Chen G, Chen J, Ciais P,  Davis K, Desai A, Dietze M, Dragoni D, Garrity SR, Gough CM, Grant R, Hollinger DY, Margolis HA, McCaughey H, Migliavacca M, Monson RK, Munger JW, Poulter B, Raczka BM, Ricciuto DM, Sahoo AK, Schaefer K, Tian H, Vargas R, Verbeeck H, Xiao J, Xue Y (2012) Terrestrial biosphere models need better representation of vegetation phenology: results from the North American Carbon Program Site Synthesis. Global Change Biology. 18:566-584 https://doi.org/10.1111/j.1365-2486.2011.02562.x

[33] Heinemeyer A, Wilkinson M, Vargas R, Subke JA, Casella E, Morison JIL, Ineson P (2012) Exploring the “overflow tap” theory: linking forest soil CO2 fluxes and individual mycorrhizosphere components to photosynthesis. Biogeosciences. 9:79-95   https://doi.org/10.5194/bg-9-79-2012

[32] Ryu Y, Baldocchi DD, Black AT, Detto M, Law BE, Leuning R, Miyata A, Reichstein M, Vargas R, Ammann C, Beringer J, Flanagan LB, Gu L, Hutley L, Kim J, McCaughey H, Moors E, Rambal S, Vesala T (2012). On the temporal upscaling of evapotranspiration from instantaneous remote sensing measurements to 8-day mean daily-sums. Agricultural and Forest Meteorology. 152:212-222 https://doi.org/10.1016/j.agrformet.2011.09.010

[31] Dietze M, Vargas R, Richardson AD, Stoy P, Barr A, Anderson R, Arain A, Baker I, Black AT, Chen J, Cias P, Flanagan L, Gough C, Grant R, Hollinger D, Izaurralde RC, Kucharik C, Lafleur P, Liu S, Lokupitiya E, Luo Y, Munger JW, Peng C, Poulter B, Price D, Ricciuto D, Riley W, Sahoo A, Schaefer K, Suyker A, Tian H, Tonitto C, Verbeeck H, Verma S, Wang W (2011). Characterizing the performance of ecosystem models across time scales: A spectral analysis of the North American Carbon Program site-level synthesis. Journal of Geophysical Research-Biogeosciences. 116: G04029 https://doi.org/10.1029/2011JG001661

[30] Liu S, Bond-Lamberty B, Hicke JA, Vargas R, Zhao S, Chen J, Edburg SL, Liu J, McGuire AD, Xiao J, KeaneR, Yuan W, Tang J, Luo Y, Potter Y, Oeding J. (2011) Simulating the impacts of disturbances on forest carbon cycling in North America: Processes, data, models, and challenges. Journal of Geophysical Research-Biogeosciences. Vol 116, G00K08  https://doi.org/10.1029/2010JG001585

† [29] Vargas R, Yepez E. (2011) Toward a Mexican eddy covariance network for Carbon Cycle Science. Eos Transactions AGU. 92(37):307 https://doi.org/10.1029/2011EO370004

† [28] Vargas R, Baldocchi DD, Bahn M, Hanson PJ, Hosman KP, Kulmala L, Pumpanen J, Yang B  (2011) On the multi-temporal correlation between photosynthesis and soil CO2 efflux: reconciling lags and observations. New Phytologist. 191:1006-1017 https://doi.org/10.1111/j.1469-8137.2011.03771.x

[27] Sonnentag O, Detto M, Vargas R, Ryu Y, Runkle BR, Kelly M, Baldocchi DD (2011) Tracking the structural and functional development of a perennial pepperweed (Lepidium latifolium L.) infestation using a multi-year archive of webcam imagery and eddy covariance measurements. Agricultural and Forest Meteorology. 115:916-926 https://doi.org/10.1016/j.agrformet.2011.02.011

[26] Harmon M, Bond-Lamberty B, Tang J, Vargas R. (2011) Heterotrophic respiration in disturbed forests: a review with examples from North America. Journal of Geophysical Research Vol. 116, G00K04 https://doi.org/10.1029/2010JG001495

[25] Masek J, Cohen W, Leckie D, Wulder M, Vargas R, de Jong B, Healey S, Law B, Birdsey RA, Houghton R, Mildrexler D, Goward S, Kurz W, Smith B (2011). Recent rates of forest harvest and  conversion in North America. Journal of Geophysical Research-Biogeosciences Vol. 116, G00K03 https://doi:10.1029/2010JG001471

[24] Mahecha MD, Reichstein M, Carvalhais N, Lasslop G, Lange H, Seneviratne SI, Vargas R, Ammann C, Arain MA, Cescatti A, Janssens IA, Migliavacca M, Montagnani L, Richardson AD (2010). Response to comment on: Global convergence in the temperature sensitivity of respiration at ecosystem level. Science. 331:1265 https://doi.org/10.1126/science.1197033

[23] Thomey M, Collins SL, Vargas R, Johnson J, Brown R, Natvig D, Friggens M. (2011) Effect of precipitation variability on net primary production and soil respiration in a Chihuahuan desert grassland. Global Change Biology. 17(4):1505-1515. 

                 https://doi.org/10.1111/j.1365-2486.2010.02363.x

† [22] Vargas R, Carbone M, Reichstein M, Baldocchi DD. (2011) Frontiers and challenges in soil respiration research: from measurements to model-data integration. Biogeochemistry. 102:1-13 https://doi.org/10.1007/s10533-010-9462-1

[21] Richardson AD, Black AT, Ciais P, Delbart N, Dunn AL, Friedl MA, Gobron N, Hollinger DY, Kutsch WL, Longdoz B, Luyssaert S, Migliavacca M, Montagnani L, Munger JW, Moors E, Piao S, Rebmann C, Reichstein M, Saigusa N, Stöckli R, Tomelleri E, Vargas R, Varlagin A, Vesala T. (2010) Influence of spring and autumn phenological switches on forest ecosystem productivity. Philosophical Transactions of the Royal Society. 365:3227-3246 https://doi.org/10.1098/rstb.2010.0102 

† [20] Vargas R, Baldocchi DD, Allen MF, Bahn M, Black TA, Collins SL, Curiel Yuste J, Hirano T, Jassal RS, Pumpanen J, Tang J. (2010) Looking deeper into the soil: environmental controls and seasonal lags of soil CO2 production and efflux across multiple vegetation types. Ecological Applications. 20:1569-1582. https://doi.org/10.1890/09-0693.1

[19] Mahecha MD, Reichstein M, Carvalhais N, Lasslop G, Lange H, Seneviratne SI, Vargas R, Ammann C, Arain A, Cescatti A, Janssens IA, Migliavacca M, Montagnani L, Richardson AD. (2010) Global convergence in the temperature sensitivity of respiration at ecosystem level. Science. 329:838-840. https://doi.org/10.1126/science.1189587

[18] Bahn M, Reichstein M, Davidson EA, Grünzweig J, Jung J, Carbone MS, Epron D, Misson L, Nouvellon Y, Roupsard O, Trumbore SE, Gimeno C, Curiel Yuste J, Savage K, Tang J, Vargas R, Janssens IA. (2010) Soil respiration at mean annual temperature predicts annual total across biomes. Biogeosciences. 7:2147-2157. https://doi.org/10.5194/bg-7-2147-2010   

[17] Hasselquist N, Vargas R, Allen MF. (2010) Using soil sensing technology to examine interactions and controls between ectomycorrhizal growth and environmental factors on soil CO2 dynamics. Plant and Soil 331:17-29 https://doi.org/10.1007/s11104-009-0183-y

† [16] Vargas R, Detto M, Baldocchi DD, Allen MF. (2010) Multiscale analysis of temporal variability of soil CO2 production as influence by weather and vegetation. Global Change Biology. 16:1589 1605 https://doi.org/10.1111/j.1365-2486.2009.02111.x

† [15] Vargas R, Hasselquist N, Allen EB, Allen MF. (2010) Effects of a hurricane disturbance on aboveground forest structure, arbuscular mycorrhizae and belowground carbon in a restored tropical forest. Ecosystems 13:118-128 https://doi.org/10.1007/s10021-009-9305-x 

[14] Ryu Y, Sonnentag O, Nilson T, Vargas R, Kobayashi H, Baldocchi DD. (2010) How to quantify tree leaf area index in an open savanna ecosystem: A multi-instrument and multi-model approach.  Agricultural and Forest Meteorology 150:63-76 https://doi.org/10.1016/j.agrformet.2009.08.007

† [13] Vargas R, Baldocchi DD, Querejeta JI, Curtis PS, Hasselquist NJ, Janssens IA, Allen MF, Montagnani L. (2010) Ecosystem CO2 fluxes of arbuscular and ectomycorrhizal dominated vegetation types are differentially influenced by precipitation and temperature. New Phytologist 185:226-236. https://doi.org/10.1111/j.1469-8137.2009.03040.x

[12] Allen EB, Querejeta JI, Vargas R, Estrada-Medina H, Egerton-Warburton L, Gómez-Pompa A, Allen MF (2009) Restoration and mycorrhizae in seasonal tropical forest: fungal species composition, carbon accumulation, and water relations. Pp. 159-184 in Álvarez-Sánchez, J. (ed.). Ecología de micorrizas arbusculares y restauración de ecosistemas. Universidad Nacional Autónoma de México. 361 pp. (ISBN: 978-607-02-0712-9).

† [11] Vargas R (2009) On the fate of old store carbon in plants after large scale disturbances. Plant Signaling and Behavior 4(7):617-619. https://doi.org/10.4161/psb.4.7.8906

† [10] Vargas R, Trumbore S, Allen MF (2009). Evidence of old carbon used to grow new fine roots in a tropical forest. New Phytologist 182: 710-718. https://doi.org/10.1111/j.1469-8137.2009.02789.x

† [9] Vargas R, Allen EB, Allen MF. (2009) Effects of vegetation thinning on above and belowground carbon in a seasonally dry tropical forest in Mexico. Biotropica. 41(3): 302-311. https://doi.org/10.1111/j.1744-7429.2009.00494.x

† [8] Vargas R and Allen MF (2008) Dynamics of fine root, fungal rhizomorphs and soil respiration in a mixed temperate forest: integrating sensors and observations. Vadose Zone Journal. 7(3):1055-1064. https://doi:10.2136/vzj2007.0138

† [7] Vargas R and Allen MF. (2008) Diel patterns of soil respiration after hurricane Wilma in a tropical forest. Journal of Geophysical Research. Vol. 113, G0302.1 https://doi.org/10.1029/2007JG000620 

† [6] Vargas R and Allen MF (2008). Environmental controls and the influence of vegetation type, fine roots and rhizomorphs on diel and seasonal variation in soil respiration. New Phytologist. 179:460-471 https://doi.org/10.1111/j.1469-8137.2008.02481.x    

[5] Carbone M and Vargas R (2008). Automated soil respiration measurements: new information, opportunities, and challenges. New Phytologist. 117(2): 295-297 https://doi.org/10.1111/j.1469-8137.2007.02328.x

† [4] Vargas R, Allen MF, Allen EB (2008) Biomass and carbon accumulation in a fire chronosequence of a seasonally dry tropical forest. Global Change Biology.14:109-124 https://doi.org/10.1111/j.1365-2486.2007.01462.x

[3] Allen MF, Vargas R, Graham EA, Swenson W, Hamilton M, Taggart M, Harmon TC, Rat’ko A, Rundel P, Fulkerson B, Estrin D (2007) Soil sensor technology: Life within a pixel. BioScience. 57(10):859-867 https://doi.org/10.1641/B571008  

† [2] Vargas R and Novelo E (2007) Seasonal changes in periphyton nitrogen fixation in a protected tropical wetland. Biology and Fertility of Soils. 43(3):367-372. https://doi.org/10.1007/s00374-006-0110-9

† [1] Vargas R and Novelo E (2003) Nitrogen fixation by Cyanoporkaryota at El Edén, Q.R., México. Mexican Studies/Estudios Mexicanos. 19(2):277-286. https://doi.org/10.1525/msem.2003.19.2.277