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Title: THE MARGINAL VALUE OF SPACEBORNE PASSIVE MICROWAVE SOIL MOISTURE OBSERVATIONS FOR RUNOFF RATIO FORECASTING.

Author
item Crow, Wade
item BINDLISH, R - SSAI, HRSL
item Jackson, Thomas

Submitted to: Meeting Abstract
Publication Type: Proceedings
Publication Acceptance Date: 7/29/2005
Publication Date: 9/15/2005
Citation: Crow, W.T., Bindlish, R., Jackson, T.J. 2005. The marginal value of spaceborne passive microwave soil moisture observations for runoff ratio forecasting. In: Proceedings of the ACTIF/Floodman/Floodrelief Conference on International Flood Forecasting, October 17-19, 2005, Tromso, Norway. p.34

Interpretive Summary:

Technical Abstract: Using existing data sets of passive microwave spaceborne soil moisture retrievals, streamflow and precipitation for 26 basins in the United States Southern Great Plains, a 5-year analysis is performed to quantify the value of soil moisture retrievals derived from the Tropical Rainfall Mission (TRMM) Microwave Imager (TMI) X-band (10.7 GHz) radiometer for forecasting storm event-scale runoff ratios. The predictive ability of spaceborne soil moisture estimates is objectively compared to that obtainable using only available rainfall observations and the antecedent precipitation index (API). The assimilation of spaceborne observations into an API soil moisture proxy is demonstrated to add marginal value to the forecasting of land surface response to precipitation.