Water storage variations in the Aral Sea from multi-sensor satellite data in comparison with results from GRACE gravimetry

Author

Singh, Alka ; Seitz, Florian

Author_Institution

Earth Oriented Space Sci. & Technol. (ESPACE), Tech. Univ. Munchen, Munich, Germany

fYear

2012

fDate

22-27 July 2012

Firstpage

3042

Lastpage

3045

Abstract

The Aral Sea was the fourth largest lake of the world until the 1960s. Due to large-scale irrigation projects in the region, the lake started shrinking drastically [1],[6]. In this paper we estimate the volume change of water in the Aral Sea from geometrical remote sensing techniques (satellite altimetry and optical satellite images) in combination with a digital elevation model. The results are compared with observations of water storage changes from the dedicated satellite gravity field mission GRACE for the time frame between 2002 and 2011.

Keywords

digital elevation models; lakes; remote sensing; water resources; AD 2002 to 2011; Aral sea; GRACE gravimetry; digital elevation model; fourth largest lake; geometrical remote sensing techniques; large-scale irrigation projects; multisensor satellite data; optical satellite images; satellite altimetry; water storage variations; water volume change; Altimetry; Earth; Gravity; Lakes; Remote sensing; Satellites; Sea surface; Altimetry; Aral Sea; GRACE; Landsat;

fLanguage

English

Publisher

ieee

Conference_Titel

Geoscience and Remote Sensing Symposium (IGARSS), 2012 IEEE International

Conference_Location

Munich

ISSN

2153-6996

Print_ISBN

978-1-4673-1160-1

Electronic_ISBN

2153-6996

Type

conf

DOI

10.1109/IGARSS.2012.6350784

Filename

6350784