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Proceedings Paper

Terrestrial water and energy systems for water resource applications
Author(s): David L. Toll; Kristi Arsenault; Paul Houser; Jared Entin; Brian Cosgrove; Christa Peters-Lidard; Matthew Rodell
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Paper Abstract

NASA/GSFC has developed with other groups a Land Data Assimilation System (LDAS) to output water and energy budgets for the primary purpose of improving weather and climate prediction. However, LDAS water and energy cycle outputs also may be coupled with other information to help with a wide range of water resources applications. For example, LDAS results may be used for water availability and quality, agricultural management and forecasting, assessment and prediction of snowmelt runoff, and flood and drought impact and prediction. Specifically, LDAS uses various satellites and ground based observations within a land surface modeling and data assimilation framework to produce optimal output fields of terrestrial energy, water and carbon fluxes. Current land surface outputs are gridded at 1/4° resolution globally and 1/8° for North America with work in progress to convert to a 1-km global grid. Integrated modeling, observations and data assimilation at various spatial and temporal scales helps LDAS to quantify terrestrial water, energy and biogeochemical processes. LDAS applications described in this paper are aimed at improving weather and seasonal forecasts. In addition, we also summarize the use of LDAS data to assist critical needs specified by the U.S. Bureau of Reclamation water resources management for selected basins in the western U.S.

Paper Details

Date Published: 2 February 2004
PDF: 10 pages
Proc. SPIE 5234, Sensors, Systems, and Next-Generation Satellites VII, (2 February 2004); doi: 10.1117/12.514325
Show Author Affiliations
David L. Toll, NASA Goddard Space Flight Ctr. (United States)
Kristi Arsenault, Univ. of Maryland/Baltimore County (United States)
NASA Goddard Space Flight Ctr. (United States)
Paul Houser, NASA Goddard Space Flight Ctr. (United States)
Jared Entin, NASA Headquarters (United States)
Brian Cosgrove, Science Applications International Corp. (United States)
Christa Peters-Lidard, NASA Goddard Space Flight Ctr. (United States)
Matthew Rodell, NASA Goddard Space Flight Ctr. (United States)


Published in SPIE Proceedings Vol. 5234:
Sensors, Systems, and Next-Generation Satellites VII
Roland Meynart; Joan B. Lurie; Steven P. Neeck; Michelle L. Aten; Haruhisa Shimoda, Editor(s)

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