Articles | Volume 19, issue 12
Research article
18 Dec 2015
Research article |  | 18 Dec 2015

The impact of near-surface soil moisture assimilation at subseasonal, seasonal, and inter-annual timescales

C. Draper and R. Reichle

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Cited articles

Bolten, J., Crow, W., Zhan, X., Jackson, T., and Reynolds, C.: Evaluating the utility of remotely-sensed soil moisture retrievals for operational agricultural drought monitoring, IEEE J. Sel. Top. Appl., 3, 57–66,, 2010.
Bosch, D., Lakshmi, V., Jackson, T., Jacobs, J.: Large scale measurements of soil moisture for validation of remotely sensed data: Georgia soil moisture experiments of 2003, J. Hydrol., 323, 120–137,, 2006.
Cosh, M., Jackson, T., Starks, P., and Heathman, G.: Temporal stability of surface soil moisture in the Little Washita River watershed and its applications in satellite soil moisture product validation, J. Hydrol. 323, 168–177,, 2006.
Cosh, M., Jackson, T., Moran, M., and Bindlish, R.: Temporal persistence and stability of surface soil moisture in a semi-arid watershed, Remote Sens. Environ. 112, 304–313,, 2008.
De Lannoy, G. and Reichle, R.: Global assimilation of multi-angle and multi-polarization SMOS brightness temperature observations into the GEOS-5 Catchment land surface model for soil moisture estimation, J. Hydrometeorol.,, in press, 2015.
Short summary
A soil moisture assimilation experiment is evaluated separately at sub-seasonal, seasonal, and inter-annual timescales. In addition to previously reported improvements in sub-seasonal scale soil moisture, it is show that such an assimilation can also improve the model soil moisture at seasonal and inter-annual timescales, demonstrating the potential for near-surface soil moisture assimilation to improve model representation of important long-term events, such as droughts.