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Water & Energy Cycles

I propose to participate in the prelaunch Science Definition Team (SDT) for the Soil Moisture Active-Passive (SMAP) mission to assist with prelaunch planning. My primary contribution will focus on "freeze/thaw algorithms and associated physical theory," wherein I propose to lead efforts in providing guidance to ensure SMAP freeze-thaw products optimally address the associated science objectives as stated by the NRC Decadal Survey and by the SMAP Workshop Report. This will also directly support "carbon cycle science, as influenced by freeze/thaw transitions." In addition to my primary role supporting freeze/thaw algorithm activities, I will provide support toward "soil moisture retrieval algorithms, using passive, active, and combined active-passive approaches, and associated physical theory," providing expertise in radar backscatter modeling to support soil moisture retrieval algorithm activities based on L-band radar. I will also advise on "Field activities for science calibration and validation." The NRC Decadal Survey recognizes the key role soil moisture and freeze-thaw state as primary controls on the exchange of fluxes of energy, water and carbon at the land-atmosphere interface. The SMAP mission will provide the key data sets necessary to characterize the link between the water, energy and carbon cycles over land. My participation in the SMAP SDT will directly support these key SMAP science objectives. The SMAP Workshop Report (2007) delineates several societal benefit applications that SMAP would enabled. These applications embrace relevance to human health, ecosystem services and water resource management. I will assist the team member who will be leading SDT efforts for development of SMAP data set applications through representation of SMAP interests and capabilities to JPL efforts supporting guidance for entrainment of SMAP data sets in applications users’ models, processes, and decision support systems. My guidance in broader activities will leverage my Earth science research activities in mapping and monitoring of global wetlands ecosystems.

Project PI: Kyle McDonald/Jet Propulsion Laboratory

Jet Propulsion Laboratory M/S 300-233 4800 Oak Grove Drive Pasadena, CA 91109

Phone: 818.354.3263

Fax: 818.354.9476

Email: kyle.c.mcdonald@jpl.nasa.gov

http://science.jpl.nasa.gov/people/McDonald/

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Started: Aug 10, 2010

Last Activity: Dec 16, 2010

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