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<identifier>oai:HAL:hal-00940965v1</identifier>
<datestamp>2018-01-11</datestamp>
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<publisher>HAL CCSD</publisher>
<title lang=en>Measuring water accumulation rates using GRACE data in areas experiencing glacial isostatic adjustment: The Nelson River basin</title>
<creator>Lambert, Adrien</creator>
<creator>Huang, J.</creator>
<creator>Van Derkamp, G.</creator>
<creator>Henton, J.</creator>
<creator>MAZZOTTI, Stephane</creator>
<creator>James, T. S.</creator>
<creator>Courtier, N.</creator>
<creator>Barr, A. G.</creator>
<contributor>Geological Survey of Canada, Natural Resources Canada, Sidney ; Université du Québec</contributor>
<contributor>Geodetic Survey Division, Natural Resources Canada, Ottawa ; Université du Québec</contributor>
<contributor>National Hydrology Research Centre, Environment Canada, Saskatoon ; Université du Québec</contributor>
<contributor>Risques ; Géosciences Montpellier ; Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS) - Université des Antilles et de la Guyane (UAG) - Institut national des sciences de l'Univers (INSU - CNRS) - Université de Montpellier (UM) - Centre National de la Recherche Scientifique (CNRS)</contributor>
<description>International audience</description>
<source>ISSN: 0094-8276</source>
<source>EISSN: 1944-8007</source>
<source>Geophysical Research Letters</source>
<publisher>American Geophysical Union</publisher>
<identifier>hal-00940965</identifier>
<identifier>https://hal.archives-ouvertes.fr/hal-00940965</identifier>
<source>https://hal.archives-ouvertes.fr/hal-00940965</source>
<source>Geophysical Research Letters, American Geophysical Union, 2013, 40 (23), pp.6118-6122. 〈10.1002/2013GL057973〉</source>
<identifier>DOI : 10.1002/2013GL057973</identifier>
<relation>info:eu-repo/semantics/altIdentifier/doi/10.1002/2013GL057973</relation>
<language>en</language>
<subject lang=en>GRACE</subject>
<subject lang=en>GPS vertical</subject>
<subject lang=en>absolute gravity</subject>
<subject lang=en>water storage</subject>
<subject lang=en>glacial isostatic adjustment</subject>
<subject>[SDU.STU.GP] Sciences of the Universe [physics]/Earth Sciences/Geophysics [physics.geo-ph]</subject>
<subject>[PHYS.PHYS.PHYS-GEO-PH] Physics [physics]/Physics [physics]/Geophysics [physics.geo-ph]</subject>
<subject>[SDE.MCG] Environmental Sciences/Global Changes</subject>
<type>info:eu-repo/semantics/article</type>
<type>Journal articles</type>
<description lang=en>Gravity Recovery and Climate Experiment (GRACE) satellite-derived total water storage can be obscured by glacial isostatic adjustment. In order to solve this problem for the Nelson River drainage basin in Canada, a gravity rate map from 110 months (June 2002 to October 2011) of GRACE gravity data was corrected for glacial isostatic adjustment using an independent gravity rate map derived from updated GPS vertical velocities. The GPS-based map was converted to equivalent gravity rate using a transfer function developed from GPS and absolute-g data at colocated sites. The corrected GRACE gravity rate map revealed a major positive anomaly within the drainage basin, which was independently shown by hydrological data to be due to changes in water storage. The anomaly represents a cumulative increase at its center of about 340 mm of water, reflecting a progression from extreme drought to extremely wet conditions.</description>
<date>2013-12-16</date>
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