Sciences and Exploration Directorate

Rolf H Reichle


Rolf H Reichle's Contact Card & Information.
Phone: 301.614.5693
Org Code: 610.1
Mail Code 610.1
Greenbelt, MD 20771

Missions & Projects

Brief Bio

Rolf Reichle is a Research Physical Scientist with the Global Modeling and Assimilation Office (Code 610.1) at the NASA Goddard Space Flight Center in Greenbelt, Maryland, USA.

Dr. Reichle's research interests are primarily in data assimilation of satellite land surface observations, satellite remote sensing of the land surface, the global terrestrial water, energy, and carbon cycles, large-scale land-atmosphere interactions, and applications to numerical weather prediction, short-term climate forecasting, and retrospective climate analysis.

Dr. Reichle received the M.S. degree (”Diplom”) in Physics from the University of Heidelberg, Germany, in 1996 and the Ph.D. degree in Environmental Engineering from the Massachusetts Institute of Technology in 2000.

For more information please visit:


Research Scientist

Global Modeling and Assimilation Office, NASA Goddard Space Flight Center - Greenbelt, MD, USA.

August 2008 - Present

Associate Research Scientist

Goddard Earth Sciences and Technology Center, University of Maryland, Baltimore County (hosted at the Global Modeling and Assimilation Office, NASA Goddard Space Flight Center) - Greenbelt, MD, USA.

July 2005 - July 2008

Assistant Research Scientist

Goddard Earth Sciences and Technology Center, University of Maryland, Baltimore County (hosted at the Global Modeling and Assimilation Office, NASA Goddard Space Flight Center) - Greenbelt, MD, USA.

January 2001 - June 2005

Postdoctoral Research Associate

Ralph M. Parsons Laboratory, Dept. of Civil and Environmental Engineering, Massachusetts Institute of Technology - Cambridge, MA, USA.

February 2000 - December 2000

Research and Research Assistant

Institute of Environmental Engineering (IfU), Swiss Federal Institute of Technology (ETH) - Zürich, Switzerland.

April 1996 - July 1996


Massachusetts Institute of Technology, Cambridge, MA
Dept. of Civil and Environmental Engineering
Aug 1996 – Jan 2000
Ph.D. Environmental Engineering
Thesis: Variational Assimilation of Remote Sensing Data for Land Surface Hydrologic Applications

Heidelberg University, Heidelberg, Germany
Institute of Environmental Physics
May 1993 – Mar 1996
MS Physics (with distinction)
Thesis: Time-dependent Effective Parameters in Heterogeneous and Homogeneous Transport Models with Kinetic Sorption

University of Montpellier, Montpellier, France
Dept. of Physics
Aug 1992 – Apr 1993
Exchange Student

Heidelberg University, Heidelberg, Germany
Dept. of Physics
Apr 1990 – Jul 1992
BS Physics
BS Mathematics


2016 Robert H. Goddard Honor Award - Exceptional Achievement for Science

2016 NASA Group Achievement Award (SMAP Science and Cal/Val Team)

2016 NASA Group Achievement Award (SMAP Science Data Systems Team)

2016 NASA Group Achievement Award (AirMOSS Team)

2016 NASA Special Act Award (MERRA-2 Team)

2017 NASA Group Achievement Award (SMAP Science Team)

2019 NASA Group Achievement Award (MERRA-2 Science Team)

2020 AGU Outstanding Reviewer Award (Reviews of Geophysics)

2022 Highly Cited Researcher in the Field of Geosciences (Web of Science)

Professional Societies

American Geophysical Union

Lifetime Member; Remote Sensing Technical Committee (Member, 2002-2005)

1997 - Present

American Meteorological Society

Annual Meeting Hydrology Program Committee (Co-Chair, 2010-2012); Hydrology Committee (Member, 2010-2016)

1999 - Present

International Association of Hydrological Sciences

2000 - Present

Professional Service

Scientific Committee, Fifth Satellite Soil Moisture Validation and Application
Workshop, Fairfax, Virginia (2018).

Scientific Committee, Fourth Satellite Soil Moisture Validation and Application Workshop,
Vienna, Austria (2017).

Member (2009 - 2017), GEWEX/WCRP Global Land Atmosphere System Study panel.

Scientific Committee, Third Satellite Soil Moisture Validation and Application Workshop,
New York, NY, USA (2016).

Scientific Steering Committee, 6th WMO Symposium on Data Assimilation, College Park, MD, USA (2013).

Scientific Committee, Satellite Soil Moisture Validation and Application Workshop, European Space Agency, Frascati, Italy (2013).

Program Committee, 11th International Precipitation Conference, Wageningen, Netherlands (2013).

Local Organizing Committee, 4th World Climate Research Programme International Conference on Reanalyses, Silver Spring, MD, USA (2012).

Other Professional Information

H-Index: 64Peer-Reviewed Publications: 159 (as of Feb. 10, 2023,



2023. "Late-fall satellite-based soil moisture observations show clear connections to subsequent spring streamflow." Nature Communications 14 (1): 3545 [10.1038/s41467-023-39318-3] [Journal Article/Letter]

2023. "Non-Gaussian Ensemble Filtering and Adaptive Inflation for Soil Moisture Data Assimilation." Journal of Hydrometeorology 24 (6): 1039-1053 [10.1175/jhm-d-22-0046.1] [Journal Article/Letter]

2023. "A Weakly-Coupled Land Surface Analysis With SMAP Radiance Assimilation Improves GEOS Medium-Range Forecasts of Near-Surface Air Temperature and Humidity." Quarterly Journal of the Royal Meteorological Society 149 1867-1889 [10.1002/qj.4486] [Journal Article/Letter]

2023. "Seasonal forecasting skill for the High Mountain Asia region in the Goddard Earth Observing System." Earth System Dynamics 14 (1): 147-171 [10.5194/esd-14-147-2023] [Journal Article/Letter]

2023. "Remotely sensed soil moisture can capture dynamics relevant to plant water uptake." Water Resources Research 59 e2022WR033814 [10.1029/2022wr033814] [Journal Article/Letter]

2022. "An Agenda for Land Data Assimilation Priorities: Realizing the Promise of Terrestrial Water, Energy, and Vegetation Observations From Space." Journal of Advances in Modeling Earth Systems 14 (11): e2022MS003259 [10.1029/2022ms003259] [Journal Article/Letter]

2022. "Uncertainty Estimation for SMAP Level-1 Brightness Temperature Assimilation at Different Timescales." IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 15 9127-9145 [10.1109/jstars.2022.3216213] [Journal Article/Letter]

2022. "Perspective on satellite-based land data assimilation to estimate water cycle components in an era of advanced data availability and model sophistication." Frontiers in Water 4 981745 [10.3389/frwa.2022.981745] [Journal Article/Letter]

2022. "Leveraging Pre‐Storm Soil Moisture Estimates for Enhanced Land Surface Model Calibration in Ungauged Hydrologic Basins." Water Resources Research 58 (8): e2021WR031565 [10.1029/2021wr031565] [Journal Article/Letter]

2022. "Crop-CASMA: A web geoprocessing and map service based architecture and implementation for serving soil moisture and crop vegetation condition data over U.S. Cropland." International Journal of Applied Earth Observation and Geoinformation 112 102902 [10.1016/j.jag.2022.102902] [Journal Article/Letter]

2022. "Effect of Assimilating SMAP Soil Moisture on CO2 and CH4 Fluxes through Direct Insertion in a Land Surface Model." Remote Sensing 14 (10): 2405 [10.3390/rs14102405] [Journal Article/Letter]

2022. "Skillful Seasonal Forecasts of Land Carbon Uptake in Northern Mid‐ and High Latitudes." Geophysical Research Letters 49 (6): e2021GL097117 [10.1029/2021GL097117] [Journal Article/Letter]

2022. "Tropical Peatland Hydrology Simulated With a Global Land Surface Model." Journal of Advances in Modeling Earth Systems 14 (3): e2021MS002784 [10.1029/2021ms002784] [Journal Article/Letter]

2022. "Soil Respiration Phenology Improves Modeled Phase of Terrestrial net Ecosystem Exchange in Northern Hemisphere." Journal of Advances in Modeling Earth Systems 14 (2): e2021MS002804 [10.1029/2021ms002804] [Journal Article/Letter]

2022. "Validation of Soil Moisture Data Products From the NASA SMAP Mission." IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 15 364-392 [10.1109/jstars.2021.3124743] [Journal Article/Letter]

2022. "L-Band Microwave Satellite Data and Model Simulations Over the Dry Chaco to Estimate Soil Moisture, Soil Temperature, Vegetation, and Soil Salinity." IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 15 6598-6614 [10.1109/jstars.2022.3193636] [Journal Article/Letter]

2021. "DroughtCast: A Machine Learning Forecast of the United States Drought Monitor." Frontiers in Big Data 4 114 [10.3389/fdata.2021.773478] [Journal Article/Letter]

2021. "Improved Estimates of Pentad Precipitation Through the Merging of Independent Precipitation Data Sets." Water Resources Research 57 (12): e2021WR030330 [10.1029/2021wr030330] [Journal Article/Letter]

2021. "Assimilation of SMAP Brightness Temperature Observations in the GEOS Land-Atmosphere Data Assimilation System." IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 14 10628-10643 [10.1109/jstars.2021.3118595] [Journal Article/Letter]

2021. "Expanding the Application of Soil Moisture Monitoring Systems through Regression-Based Transformation." Journal of Hydrometeorology 22 (10): 2601-2615 [10.1175/jhm-d-21-0061.1] [Journal Article/Letter]

2021. "Estimating Terrestrial Snow Mass via Multi‐Sensor Assimilation of Synthetic AMSR‐E Brightness Temperature Spectral Differences and Synthetic GRACE Terrestrial Water Storage Retrievals." Water Resources Research 57 (9): e2021WR029880 [10.1029/2021wr029880] [Journal Article/Letter]

2021. "The Impacts of Climate and Wildfire on Ecosystem Gross Primary Productivity in Alaska." Journal of Geophysical Research: Biogeosciences 126 e2020JG006078 [10.1029/2020JG006078] [Journal Article/Letter]

2021. "Evaluation of GEOS Precipitation Flagging for SMAP Soil Moisture Retrieval Accuracy." Journal of Hydrometeorology 22 1317-1332 [10.1175/jhm-d-20-0038.1] [Journal Article/Letter]

2021. "Global Soil Water Estimates as Landslide Predictor: The Effectiveness of SMOS, SMAP, and GRACE Observations, Land Surface Simulations, and Data Assimilation." Journal of Hydrometeorology 22 (5): 1065-1084 [10.1175/jhm-d-20-0228.1] [Journal Article/Letter]

2021. "The benefit of brightness temperature assimilation for the SMAP Level-4 surface and root-zone soil moisture analysis." Hydrology and Earth System Sciences 25 (3): 1569-1586 [10.5194/hess-25-1569-2021] [Journal Article/Letter]

2021. "Data Assimilation of Terrestrial Water Storage Observations to Estimate Precipitation Fluxes: A Synthetic Experiment." Remote Sensing 13 (6): 1223 [10.3390/rs13061223] [Journal Article/Letter]

2021. "Using SMAP Level-4 soil moisture to constrain MOD16 evapotranspiration over the contiguous USA." Remote Sensing of Environment 255 112277 [10.1016/j.rse.2020.112277] [Journal Article/Letter]

2021. "The Contributions of Gauge-Based Precipitation and SMAP Brightness Temperature Observations to the Skill of the SMAP Level-4 Soil Moisture Product." Journal of Hydrometeorology 22 (2): 405-424 [10.1175/jhm-d-20-0217.1] [Journal Article/Letter]

2021. "Assimilation of SMAP and ASCAT soil moisture retrievals into the JULES land surface model using the Local Ensemble Transform Kalman Filter." Remote Sensing of Environment 253 112222 [10.1016/j.rse.2020.112222] [Journal Article/Letter]

2021. "Evaluation of 18 satellite- and model-based soil moisture products using in situ measurements from 826 sensors." Hydrology and Earth System Sciences 25 (1): 17-40 [10.5194/hess-25-17-2021] [Journal Article/Letter]

2021. "A roadmap for high-resolution satellite soil moisture applications – confronting product characteristics with user requirements." Remote Sensing of Environment 252 112162 [10.1016/j.rse.2020.112162] [Journal Article/Letter]

2020. "Recent Amplified Global Gross Primary Productivity Due to Temperature Increase Is Offset by Reduced Productivity Due to Water Constraints." AGU Advances 1 (4): e2020AV000180 [10.1029/2020av000180] [Journal Article/Letter]

2020. "Satellite Monitoring of Global Surface Soil Organic Carbon Dynamics Using the SMAP Level 4 Carbon Product." Journal of Geophysical Research: Biogeosciences 125 (12): e2020JG006100 [10.1029/2020jg006100] [Journal Article/Letter]

2020. "Synergistic use of SMAP and OCO-2 data in assessing the responses of ecosystem productivity to the 2018 U.S. drought." Remote Sensing of Environment 251 112062 [10.1016/j.rse.2020.112062] [Journal Article/Letter]

2020. "Improving rain/no-rain detection skill by merging precipitation estimates from different sources." Journal of Hydrometeorology 21 (10): 2419–2429 [10.1175/jhm-d-20-0097.1] [Journal Article/Letter]

2020. "Evaluation of GEOS-Simulated L-Band Microwave Brightness Temperature Using Aquarius Observations over Non-Frozen Land across North America." Remote Sensing 12 (18): 3098 [10.3390/rs12183098] [Journal Article/Letter]

2020. "Improved groundwater table and L-band brightness temperature estimates for Northern Hemisphere peatlands using new model physics and SMOS observations in a global data assimilation framework." Remote Sensing of Environment 246 111805 [10.1016/j.rse.2020.111805] [Journal Article/Letter]

2020. "An observation‐driven approach to improve vegetation phenology in a global land surface model." Journal of Advances in Modeling Earth Systems 12 e2020MS002083 [10.1029/2020ms002083] [Journal Article/Letter]

2020. "Validation practices for satellite soil moisture retrievals: What are (the) errors?." Remote Sensing of Environment 244 111806 [10.1016/j.rse.2020.111806] [Journal Article/Letter]

2020. "Below-surface water mediates the response of African forests to reduced rainfall." Environmental Research Letters 15 (3): 034063 [10.1088/1748-9326/ab724a] [Journal Article/Letter]

2020. "Increased high‐latitude photosynthetic carbon gain offset by respiration carbon loss during an anomalous warm winter to spring transition." Global Change Biology 26 (2): 682-696 [10.1111/gcb.14863] [Journal Article/Letter]

2019. "Version 4 of the SMAP Level‐4 Soil Moisture Algorithm and Data Product." Journal of Advances in Modeling Earth Systems 11 (10): 3106-3130 [10.1029/2019ms001729] [Journal Article/Letter]

2019. "Length Scales of Hydrological Variability as Inferred from SMAP Soil Moisture Retrievals." Journal of Hydrometeorology 20 (11): 2129-2146 [10.1175/jhm-d-19-0070.1] [Journal Article/Letter]

2019. "Snow depth variability in the Northern Hemisphere mountains observed from space." Nature Communications 10 (1): 4629 [10.1038/s41467-019-12566-y] [Journal Article/Letter]

2019. "Diagnosing Bias in Modeled Soil Moisture/Runoff Coefficient Correlation Using the SMAP Level 4 Soil Moisture Product." Water Resources Research 55 (8): 7010-7026 [10.1029/2019wr025245] [Journal Article/Letter]

2019. "Consistency Between NASS Surveyed Soil Moisture Conditions and SMAP Soil Moisture Observations." Water Resources Research 55 (9): 7682-7693 [10.1029/2018wr024475] [Journal Article/Letter]

2019. "Permafrost variability over the Northern Hemisphere based on the MERRA-2 reanalysis." The Cryosphere 13 (8): 2087-2110 [10.5194/tc-13-2087-2019] [Journal Article/Letter]

2019. "Uncertainty in soil moisture retrievals: An ensemble approach using SMOS L-band microwave data." Remote Sensing of Environment 229 133-147 [10.1016/j.rse.2019.05.008] [Journal Article/Letter]

2019. "PEAT‐CLSM: A Specific Treatment of Peatland Hydrology in the NASA Catchment Land Surface Model." Journal of Advances in Modeling Earth Systems 11 (7): 2130-2162 [10.1029/2018ms001574] [Journal Article/Letter]

2019. "A Global Assessment of Added Value in the SMAP Level 4 Soil Moisture Product Relative to Its Baseline Land Surface Model." Geophysical Research Letters 46 (6604-6613): 2019GL083398 [10.1029/2019gl083398] [Journal Article/Letter]

2019. "Multi-sensor assimilation of SMOS brightness temperature and GRACE terrestrial water storage observations for soil moisture and shallow groundwater estimation." Remote Sensing of Environment 227 12-27 [10.1016/j.rse.2019.04.001] [Journal Article/Letter]

2019. "Assimilation of Satellite Soil Moisture for Improved Atmospheric Reanalyses." Monthly Weather Review 147 (6): 2163-2188 [10.1175/mwr-d-18-0393.1] [Journal Article/Letter]

2018. "Spatial and Temporal Variability of Root-Zone Soil Moisture Acquired From Hydrologic Modeling and AirMOSS P-Band Radar." IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing 11 (12): 4578-4590 [10.1109/jstars.2018.2865251] [Journal Article/Letter]

2018. "Global relationships among traditional reflectance vegetation indices (NDVI and NDII), evapotranspiration (ET), and soil moisture variability on weekly timescales." Remote Sensing of Environment 219 339-352 [10.1016/j.rse.2018.10.020] [Journal Article/Letter]

2018. "Satellite and In Situ Observations for Advancing Global Earth Surface Modelling: A Review." Remote Sensing 10 (12): 2038 [10.3390/rs10122038] [Journal Article/Letter]

2018. "Estimating Snow Mass in North America Through Assimilation of Advanced Microwave Scanning Radiometer Brightness Temperature Observations Using the Catchment Land Surface Model and Support Vector Machines." Water Resources Research 54 (9): 6488-6509 [10.1029/2017wr022219] [Journal Article/Letter]

2018. "Assessing global surface water inundation dynamics using combined satellite information from SMAP, AMSR2 and Landsat." Remote Sensing of Environment 213 1-17 [10.1016/j.rse.2018.04.054] [Journal Article/Letter]

2018. "Global Satellite Retrievals of the Near-Surface Atmospheric Vapor Pressure Deficit from AMSR-E and AMSR2." Remote Sensing 10 (8): 1175 [10.3390/rs10081175] [Journal Article/Letter]

2018. "Estimating Basin-Scale Water Budgets With SMAP Soil Moisture Data." Water Resources Research 54 (7): 4228-4244 [10.1029/2018wr022669] [Journal Article/Letter]

2018. "Exploiting Soil Moisture, Precipitation, and Streamflow Observations to Evaluate Soil Moisture/Runoff Coupling in Land Surface Models." Geophysical Research Letters 45 (10): 4869-4878 [10.1029/2018gl077193] [Journal Article/Letter]

2018. "Improved Hydrological Simulation Using SMAP Data: Relative Impacts of Model Calibration and Data Assimilation." Journal of Hydrometeorology 19 (4): 727-741 [10.1175/jhm-d-17-0228.1] [Journal Article/Letter]

2018. "Assimilation of MODIS Snow Cover Fraction Observations into the NASA Catchment Land Surface Model." Remote Sensing 10 (2): 316 [10.3390/rs10020316] [Journal Article/Letter]

2018. "Characterizing permafrost active layer dynamics and sensitivity to landscape spatial heterogeneity in Alaska." The Cryosphere 12 (1): 145-161 [10.5194/tc-12-145-2018] [Journal Article/Letter]

2018. "Assessment of MERRA-2 Land Surface Energy Flux Estimates." Journal of Climate 31 (2): 671-691 [10.1175/jcli-d-17-0121.1] [Journal Article/Letter]

2018. "Estimating surface soil moisture from SMAP observations using a Neural Network technique." Remote Sensing of Environment 204 43-59 [10.1016/j.rse.2017.10.045] [Journal Article/Letter]

2017. "Global Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using Assimilation Diagnostics." Journal of Hydrometeorology 18 3217-3237 [10.1175/JHM-D-17-0130.1] [Journal Article/Letter]

2017. "Evaluation and Enhancement of Permafrost Modeling With the NASA Catchment Land Surface Model." Journal of Advances in Modeling Earth Systems 9 2771-2795 [10.1002/2017ms001019] [Journal Article/Letter]

2017. "Data Assimilation to Extract Soil Moisture Information from SMAP Observations." Remote Sensing 9 (11): 1179 [10.3390/rs9111179] [Journal Article/Letter]

2017. "The SMAP Level 4 Carbon Product for Monitoring Ecosystem Land–Atmosphere CO2 Exchange." IEEE Transactions on Geoscience and Remote Sensing 55 (11): 6517-6532 [10.1109/tgrs.2017.2729343] [Journal Article/Letter]

2017. "Assessment of the SMAP Level-4 Surface and Root-Zone Soil Moisture Product Using In Situ Measurements." Journal of Hydrometeorology 18 (10): 2621-2645 [10.1175/jhm-d-17-0063.1] [Journal Article/Letter]

2017. "Joint Sentinel-1 and SMAP data assimilation to improve soil moisture estimates." Geophysical Research Letters 44 (12): 6145-6153 [10.1002/2017gl073904] [Journal Article/Letter]

2017. "L band microwave remote sensing and land data assimilation improve the representation of prestorm soil moisture conditions for hydrologic forecasting." Geophysical Research Letters 44 (11): 5495-5503 [10.1002/2017gl073642] [Journal Article/Letter]

2017. "Benefits and Pitfalls of GRACE Data Assimilation: a Case Study of Terrestrial Water Storage Depletion in India." Geophysical Research Letters 44 4107-4115 [10.1002/2017gl072994] [Journal Article/Letter]

2017. "The Modern-Era Retrospective Analysis for Research and Applications, Version 2 (MERRA-2)." Journal of Climate 30 5419–5454 [10.1175/jcli-d-16-0758.1] [Journal Article/Letter]

2017. "Assessment of MERRA-2 Land Surface Hydrology Estimates." Journal of Climate 30 (8): 2937-2960 [10.1175/jcli-d-16-0720.1] [Journal Article/Letter]

2017. "A Data-Driven Approach for Daily Real-Time Estimates and Forecasts of Near-Surface Soil Moisture." Journal of Hydrometeorology 18 (3): 837-843 [10.1175/jhm-d-16-0285.1] [Journal Article/Letter]

2017. "Land Surface Precipitation in MERRA-2." Journal of Climate 30 (5): 1643-1664 [10.1175/jcli-d-16-0570.1] [Journal Article/Letter]

2017. "Application of Triple Collocation in Ground-Based Validation of Soil Moisture Active/Passive (SMAP) Level 2 Data Products." IEEE J. Sel. Top. Appl. Earth Observations Remote Sensing 10 489-502 [10.1109/jstars.2016.2569998] [Journal Article/Letter]

2017. "Assimilation of global radar backscatter and radiometer brightness temperature observations to improve soil moisture and land evaporation estimates." Remote Sensing of Environment 189 194-210 [10.1016/j.rse.2016.11.022] [Journal Article/Letter]

2017. "Merging active and passive microwave observations in soil moisture data assimilation." Remote Sensing of Environment 191 117-130 [10.1016/j.rse.2017.01.015] [Journal Article/Letter]

2016. "Assimilation of SMOS brightness temperatures or soil moisture retrievals into a land surface model." Hydrology and Earth System Sciences 20 (12): 4895-4911 [10.5194/hess-20-4895-2016] [Journal Article/Letter]

2016. "Homogeneity of a global multisatellite soil moisture climate data record." Geophysical Research Letters 43 (21): 11,245-11,252 [10.1002/2016gl070458] [Journal Article/Letter]

2016. "Soil Moisture Data Assimilation." Handbook of Hydrometeorological Ensemble Forecasting 1-43 [10.1007/978-3-642-40457-3_32-1] [Article in Book]

2016. "Assimilation of gridded GRACE terrestrial water storage estimates in the North American Land Data Assimilation System." J. Hydrometeor. 17 (7): 1951-1972 [10.1175/jhm-d-15-0157.1] [Journal Article/Letter]

2016. "Assimilation of gridded terrestrial water storage observations from GRACE into a Land Surface Model." Water Resour. Res. 52 4164-4183 [10.1002/2015wr018417] [Journal Article/Letter]

2016. "Global Assimilation of Multiangle and Multipolarization SMOS Brightness Temperature Observations into the GEOS-5 Catchment Land Surface Model for Soil Moisture Estimation." Journal of Hydrometeorology 17 (2): 669-691 [10.1175/jhm-d-15-0037.1] [Journal Article/Letter]

2015. "The impact of near-surface soil moisture assimilation at subseasonal, seasonal, and inter-annual timescales." Hydrology and Earth System Sciences 19 (12): 4831-4844 [10.5194/hess-19-4831-2015] [Journal Article/Letter]

2015. "Evaluating the utility of satellite soil moisture retrievals over irrigated areas and the ability of land data assimilation methods to correct for unmodeled processes." Hydrology and Earth System Sciences 19 (11): 4463-4478 [10.5194/hess-19-4463-2015] [Journal Article/Letter]

2015. "The 2010 Russian drought impact on satellite measurements of solar-induced chlorophyll fluorescence: Insights from modeling and comparisons with parameters derived from satellite reflectances." Remote Sensing of Environment 166 163–177 [10.1016/j.rse.2015.06.008] [Journal Article/Letter]

2015. "A Dynamic Approach to Addressing Observation-Minus-Forecast Bias in a Land Surface Skin Temperature Data Assimilation System." J. Hydrometeor. 16 (1): 449–464 [10.1175/JHM-D-14-0087.1] [Journal Article/Letter]

2015. "Using a Support Vector Machine and a Land Surface Model to Estimate Large-Scale Passive Microwave Brightness Temperatures Over Snow-Covered Land in North America." IEEE J. Sel. Top. Appl 8 (9): 4431-4441 [10.1109/JSTARS.2014.2325780] [Journal Article/Letter]

2015. "Converting Between SMOS and SMAP Level-1 Brightness Temperature Observations Over Nonfrozen Land." IEEE Geosci. Remote Sens. Lett 12 1-5 [10.1109/LGRS.2015.2437612] [Journal Article/Letter]

2015. "Assimilation of Freeze–Thaw Observations into the NASA Catchment Land Surface Model." J. Hydrometeorol. 16 730-743 [10.1175/JHM-D-14-0065.1] [Journal Article/Letter]

2014. "Assimilation of passive microwave-based soil moisture and snow depth retrievals for drought estimation." J. Hydrometeor. 15 (6): 2446-2469 [10.1175/JHM-D-13-0132.1] [Journal Article/Letter]

2014. "Global-scale comparison of passive (SMOS) and active (ASCAT) satellite based microwave soil moisture retrievals with soil moisture simulations (MERRA-Land)." Remote Sensing of Environment 152 614-626 [10.1016/j.rse.2014.07.013] [Journal Article/Letter]

2014. "Consistency of Estimated Global Water Cycle Variations over the Satellite Era." J. Climate 27 (16): 6135-6154 [10.1175/JCLI-D-13-00384.1] [Journal Article/Letter]

2014. "An updated treatment of soil texture and associated hydraulic properties in a global land modeling system." J. Adv. Model. Earth Sys 6 957-979 [10.1002/2014MS000330] [Journal Article/Letter]

2014. "Connecting Satellite Observations with Water Cycle Variables Through Land Data Assimilation: Examples Using the NASA GEOS-5 LDAS." Surv Geophys 35 (3): 577-606 [10.1007/s10712-013-9220-8] [Journal Article/Letter]

2014. "Spring hydrology determines summer net carbon uptake in northern ecosystems." Environ. Res. Lett. 9 (6): 064003 [10.1088/1748-9326/9/6/064003] [Journal Article/Letter]

2014. "Clarifications on the “Comparison Between SMOS, VUA, ASCAT, and ECMWF Soil Moisture Products Over Four Watersheds in U.S.”." IEEE Trans. Geosci. Remote Sensing 52 (3): 1901-1906 [10.1109/TGRS.2013.2282172] [Journal Article/Letter]

2014. "Soil Moisture Initialization Error and Subgrid Variability of Precipitation in Seasonal Streamflow Forecasting." J. Hydrometeor. 15 (1): 69-88 [10.1175/JHM-D-13-050.1] [Journal Article/Letter]

2014. "Estimating Passive Microwave Brightness Temperature Over Snow-Covered Land in North America Using a Land Surface Model and an Artificial Neural Network." IEEE Trans. Geosci. Remote Sensing 52 (1): 235-248 [10.1109/TGRS.2013.2237913] [Journal Article/Letter]

2014. "Uncertainty quantification of GEOS-5 L-band radiative transfer model parameters using Bayesian inference and SMOS observations." Remote Sens. Environ. 148 146-157 [10.1016/j.rse.2014.03.030] [Journal Article/Letter]

2013. "Estimating root mean square errors in remotely sensed soil moisture over continental scale domains." Remote Sens. Environ. 137 288-298 [10.1016/j.rse.2013.06.013] [Journal Article/Letter]

2013. "Recent climate and fire disturbance impacts on boreal and arctic ecosystem productivity estimated using a satellite-based terrestrial carbon flux model." Journal of Geophysical Research: Biogeosciences 118 (2): 606-622 [10.1002/jgrg.20053] [Journal Article/Letter]

2013. "Skill and Global Trend Analysis of Soil Moisture from Reanalyses and Microwave Remote Sensing." J. Hydrometeor. 14 (4): 1259-1277 [10.1175/JHM-D-12-0161.1] [Journal Article/Letter]

2013. "The spatial scale of model errors and assimilated retrievals in a terrestrial water storage assimilation system." Water Resour. Res. 49 (11): 7457-7468 [10.1002/2012WR012885] [Journal Article/Letter]

2013. "Retrieving Clear-Sky Surface Skin Temperature for Numerical Weather Prediction Applications from Geostationary Satellite Data." Remote Sensing 5 (1): 342-366 [10.3390/rs5010342] [Journal Article/Letter]

2013. "The Efficiency of Assimilating Satellite Soil Moisture Retrievals in a Land Data Assimilation System Using Different Rainfall Error Models." J. Hydrometeorol. 14 (1): 368-374 [10.1175/JHM-D-12-0105.1] [Journal Article/Letter]

2013. "Global Calibration of the GEOS-5 L-Band Microwave Radiative Transfer Model over Nonfrozen Land Using SMOS Observations." J. Hydrometeor 14 (3): 765-785 [10.1175/JHM-D-12-092.1] [Journal Article/Letter]

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2016. "SMAP Data Assimilation at the GMAO." Joint Center for Satellite Data Assimilation (JCSDA) Quarterly 53 1-5 [10.7289/V50C4SS7] [Newsletter]