Mathematics – Logic
Scientific paper
Jun 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008georl..3511401p&link_type=abstract
Geophysical Research Letters, Volume 35, Issue 11, CiteID L11401
Mathematics
Logic
14
Hydrology: Remote Sensing (1640), Hydrology: Time Series Analysis (3270, 4277, 4475), Hydrology: Floods, Hydrology: Hydrological Cycles And Budgets (1218, 1655)
Scientific paper
For the period 2003-2004 and for six large river basins, the present study compares monthly time series of multi-satellite-derived surface water extent with other independent global data sets related to land water dynamics, such as water mass variations monitored by GRACE, simulated surface and total water storage from WGHM, water levels from altimetry, and GPCP precipitation estimates. In general, the datasets show a strong agreement with each other at seasonal timescale. In particular, over the Amazon and the Ganges basins, analysis of seasonal phase differences and hysteresis behavior between surface water extent, water level and storage reveal the complex relations between water extent and storage variations and the different effects of water transport processes within large river basins. The results highlight the value of combining multi-satellite techniques for retrieving surface water storage dynamics.
Frappart Frédéric
Güntner Andreas
Papa Fabrice
Prigent Catherine
Rossow William B.
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