HR: 1340h
AN: H23D-1158 [Abstracts]
TI: Continental Water Storage Changes From GRACE And GLDAS
AU: * SYED, T H
EM: tsyed@uci.edu
AF: Dept. of Earth System Science,
University of California, Irvine, 1101 Croul Hall, Irvine, CA 92697
United States
AU: FAMIGLIETTI, J S
EM: jfamigli@uci.edu
AF: Dept. of Earth System Science,
University of California, Irvine, 1101 Croul Hall, Irvine, CA 92697
United States
AU: RODELL, M
EM: Matthew.Rodell@nasa.gov
AF: Hydrological Sciences Branch,, NASA Goddard Space Flight Center, Code 974.1, Greenbelt, MD 20771
United States
AU: CHEN, J
EM: chen@csr.utexas.edu
AF: Center for Space Research, University of Texas at Austin
3925 W. Braker Lane, Suite 200, Austin, TX 78759
United States
AU: SEO, K
EM: kiweon@speer.geo.utexas.edu
AF: Dept. of Geological Sciences, University of Texas at Austin
1 University Station C1100, Austin, TX 78712
United States
AU: WILSON, C R
EM: clarkw@maestro.geo.utexas.edu
AF: Dept. of Geological Sciences, University of Texas at Austin
1 University Station C1100, Austin, TX 78712
United States
AB:
The Gravity Recovery and Climate Experiment(GRACE) mission is now providing monthly measures of global scale temporal gravity
variations, from which terrestrial water storage changes can be inferred.
In this presentation we explore continental-scale changes in land water storage, with implications for mass movements in the
global water cycle. First we compare GRACE derived spatial patterns of water storage changes to output from the Global Land
Data Assimilation System(GLDAS), and assess GRACE capabilities for characterizing spatio-temporal variations over the period
of available data. Next we present global scale time series for terrestrial water storage variations, and compare them to
those for ocean and atmospheric water mass changes, with a view towards mass redistribution from land to other Earth system
components.
The results have implications for using GRACE to monitor terrestrial hydroclimatology and for using GRACE as an integrated
observing system for characterizing mass movements in the global water cycle.
DE: 1655 Water cycles (1836)
DE: 1833 Hydroclimatology
DE: 1836 Hydrologic budget (1655)
DE: 1223 Ocean/Earth/atmosphere interactions (3339)
DE: 1640 Remote sensing
SC: Hydrology [H]
MN: 2004 AGU Fall Meeting