Interannual variations of the terrestrial water storage in the lower ob' basin from a multisatellite approach

F. Frappart, F. Papa, A. Güntner, Susanna Werth, G. Ramillien, C. Prigent, W. B. Rossow, M. P. Bonnet

Research output: Contribution to journalArticle

33 Citations (Scopus)

Abstract

Temporal variations of surface water volume over inundated areas of the Lower Ob' Basin in Siberia, one of the largest contributor of freshwater to the Arctic Ocean, are estimated using combined observations from a multisatellite inundation dataset and water levels over rivers and floodplains derived from the TOPEX/POSEIDON (T/P) radar altimetry. We computed time-series of monthly maps of surface water volume over the common period of available T/P and multisatellite data (1993-2004). The results exhibit interannual variabilities similar to precipitation estimates and river discharge observations. This study also presents monthly estimates of groundwater and permafrost mass anomalies during 2003-2004 based on a synergistic analysis of multisatellite observations and hydrological models. Water stored in the soil is isolated from the total water storage measured by GRACE when removing the contributions of both the surface reservoir, derived from satellite imagery and radar altimetry, and the snow estimated by inversion of GRACE measurements. The time variations of groundwater and permafrost are then obtained when removing the water content of the root zone reservoir simulated by hydrological models.

Original languageEnglish (US)
Pages (from-to)2443-2453
Number of pages11
JournalHydrology and Earth System Sciences
Volume14
Issue number12
DOIs
StatePublished - Dec 1 2010
Externally publishedYes

Fingerprint

radar altimetry
GRACE
water storage
permafrost
annual variation
surface water
groundwater
river discharge
basin
satellite imagery
rhizosphere
floodplain
water level
temporal variation
snow
water content
time series
anomaly
river
soil

ASJC Scopus subject areas

  • Water Science and Technology
  • Earth and Planetary Sciences (miscellaneous)

Cite this

Interannual variations of the terrestrial water storage in the lower ob' basin from a multisatellite approach. / Frappart, F.; Papa, F.; Güntner, A.; Werth, Susanna; Ramillien, G.; Prigent, C.; Rossow, W. B.; Bonnet, M. P.

In: Hydrology and Earth System Sciences, Vol. 14, No. 12, 01.12.2010, p. 2443-2453.

Research output: Contribution to journalArticle

Frappart, F. ; Papa, F. ; Güntner, A. ; Werth, Susanna ; Ramillien, G. ; Prigent, C. ; Rossow, W. B. ; Bonnet, M. P. / Interannual variations of the terrestrial water storage in the lower ob' basin from a multisatellite approach. In: Hydrology and Earth System Sciences. 2010 ; Vol. 14, No. 12. pp. 2443-2453.
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AU - Ramillien, G.

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