Member Since 1983
Randy D. Koster
Research Scientist, NASA Goddard Space Flight Center
AGU Research
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Ocean-Land Teleconnections and Chaotic Atmospheric Variability in Climate Models, with Implications for Real-World Behavior
CLIMATE VARIABILITY AND PREDICTABILITY ON SUBSEASONAL TO CENTENNIAL TIMESCALES II POSTER
atmospheric sciences | 12 december 2024
Randal D. Koster, Anthony M. DeAngelis, Siegfried ...
A 45-member ensemble of multidecadal AMIP-style atmospheric general circulation model (AGCM) simulations is examined to determine a quantity central t...
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The Great Plains Low-Level Jet in MERRA-21C
DATA-DRIVEN SCIENCE: DEVELOPMENTS IN MACHINE LEARNING SUBGRID-SCALE PARAMETERIZATIONS AND IN REANALYSES ACROSS EARTH SYSTEM MODELING II POSTER
nonlinear geophysics | 12 december 2024
Anthony M. DeAngelis, Michael G. Bosilovich, Amal ...
The Great Plains low-level jet (GPLLJ), characterized by its diurnally varying southerly winds in the lower troposphere, is a critical component of th...
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A comparison of methods for daily streamflow reconstruction in the Irrawaddy and Mekong Rivers
HYDROCLIMATIC ANALYSIS IN SOUTH AND SOUTHEAST ASIA: CHALLENGES AND OPPORTUNITIES III ORAL
hydrology | 11 december 2024
Sophea Rom Phy, Mauricio E. Arias, Eunjee Lee, Ste...
Effective hydrological research and management hinge on long and continuous streamflow datasets. However, studies on Myanmar's rivers have been partic...
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Optimizing the precipitation forcing used to produce subseasonal soil moisture and streamflow forecasts
UNCERTAINTY IN STREAMFLOW PREDICTION: IDENTIFYING AND SEPARATING UNCERTAINTIES BETWEEN QPE AND HYDROLOGICAL MODELING POSTER
hydrology | 10 december 2024
Yuna Lim, Randal D. Koster, Jana Kolassa, Eunjee L...
The predictability of hydrological variables (specifically, soil moisture and streamflow) at subseasonal timescales (out to about 30 days) is examined...
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Soil Moisture Profiles of Ecosystem Water Use Revealed With ECOSTRESS
ADVANCES IN UNDERSTANDING WATER-ENERGY-CARBON INTERACTIONS I ORAL
biogeosciences | 09 december 2024
Andrew Feldman, Randal D. Koster, Kerry Cawse-Nich...
While remote sensing has provided extensive insights into the global terrestrial water, carbon, and energy cycles, space-based retrievals remain limit...
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A Catchment-Based Global Model of River Flow, Velocity, and Storage for Earth-System Models
ADVANCEMENTS IN REMOTE SENSING, HYDROLOGIC MODELING, DATA ASSIMILATION, AND MACHINE LEARNING FOR TERRESTRIAL WATER CYCLE II ORAL
hydrology | 09 december 2024
Yujin Zeng, Randal D. Koster, Rolf H. Reichle, Pau...
In this study, we introduce a global river routing model founded on hydraulic geometry principles and hydrologic catchments, specifically designed for...
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Soil Moisture Memory: State‐Of‐The‐Art and the Way Forward
REVIEWS OF GEOPHYSICS
22 may 2024
Mehdi Rahmati, Wulf Amelung, Cosimo Brogi, Jacopo ...
Soil moisture is an essential climate variable of the Earth system. Understanding its spatiotemporal dynamics is essential for predicting weather p...
Soil Moisture Profiles of Ecosystem Water Use Revealed With ECOSTRESS
GEOPHYSICAL RESEARCH LETTERS
22 april 2024
Andrew Feldman, Randal D. Koster, Kerry Cawse-Nich...
While remote sensing has provided extensive insights into the global terrestrial water, carbon, and energy cycles, space‐based retrievals rem...