GSTDTAP  > 气候变化
DOI10.1029/2018GL077193
Exploiting Soil Moisture, Precipitation, and Streamflow Observations to Evaluate Soil Moisture/Runoff Coupling in Land Surface Models
Crow, W. T.1; Chen, F.1,2; Reichle, R. H.3; Xia, Y.4; Liu, Q.2,3
2018-05-28
发表期刊GEOPHYSICAL RESEARCH LETTERS
ISSN0094-8276
EISSN1944-8007
出版年2018
卷号45期号:10页码:4869-4878
文章类型Article
语种英语
国家USA
英文摘要

Accurate partitioning of precipitation into infiltration and runoff is a fundamental objective of land surface models tasked with characterizing the surface water and energy balance. Temporal variability in this partitioning is due, in part, to changes in prestorm soil moisture, which determine soil infiltration capacity and unsaturated storage. Utilizing the National Aeronautics and Space Administration Soil Moisture Active Passive Level-4 soil moisture product in combination with streamflow and precipitation observations, we demonstrate that land surface models (LSMs) generally underestimate the strength of the positive rank correlation between prestorm soil moisture and event runoff coefficients (i.e., the fraction of rainfall accumulation volume converted into stormflow runoff during a storm event). Underestimation is largest for LSMs employing an infiltration-excess approach for stormflow runoff generation. More accurate coupling strength is found in LSMs that explicitly represent subsurface stormflow or saturation-excess runoff generation processes.


英文关键词soil moisture runoff land surface modeling microwave remote sensing
领域气候变化
收录类别SCI-E
WOS记录号WOS:000435262000038
WOS关键词RUNOFF ; CATCHMENT ; REPRESENTATION ; WATER
WOS类目Geosciences, Multidisciplinary
WOS研究方向Geology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/25673
专题气候变化
作者单位1.USDA, Hydrol & Remote Sensing Lab, Beltsville, MD 20705 USA;
2.SSAI Inc, Greenbelt, MD USA;
3.NASA, GSFC, Global Modeling & Assimilat Off, Greenbelt, MD USA;
4.NCEP, EMC, IM Syst Grp, College Pk, MD USA
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GB/T 7714
Crow, W. T.,Chen, F.,Reichle, R. H.,et al. Exploiting Soil Moisture, Precipitation, and Streamflow Observations to Evaluate Soil Moisture/Runoff Coupling in Land Surface Models[J]. GEOPHYSICAL RESEARCH LETTERS,2018,45(10):4869-4878.
APA Crow, W. T.,Chen, F.,Reichle, R. H.,Xia, Y.,&Liu, Q..(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.
MLA Crow, W. T.,et al."Exploiting Soil Moisture, Precipitation, and Streamflow Observations to Evaluate Soil Moisture/Runoff Coupling in Land Surface Models".GEOPHYSICAL RESEARCH LETTERS 45.10(2018):4869-4878.
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