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Water in Central Asia - Reservoir Monitoring with Radar Altimetry along the Naryn and Syr Darya River

Schöne, Tilo and Dusik, Elisabeth and Illigner, Julia and Klein, Igor (2015) Water in Central Asia - Reservoir Monitoring with Radar Altimetry along the Naryn and Syr Darya River. In: International Association of Geodesy Symposia. IUGG 2015, 22. Jul. - 2. Jun. 2015, Prague, Czech Republic.

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Abstract

Water is a scarce resource in many regions of the world. In all Central Asian countries, the society depends on the availability of water either for hydro-power generation or irrigation. Since the collapse of the Soviet Union and the separation into independent countries, water management became a political issue. Public information on water resources is now unavailable for many lakes and reservoirs and the data exchange about in- and outflow or actual storage capacity between the national hydrometeorological services is limited. While the initial purpose of radar altimetry has been to measure heights over the open ocean, it proved to be a suitable tool for inland water body monitoring and to partially provide data about lake and reservoir level and volume changes. By using this technology, the water heights of the Toktogul, Kairakum and Shardara Reservoirs and Lake Aydarkol have been extracted from 1995 onward. Using additional, external information like remote sensing, the derived heights have been converted into water volume changes, the primary desired information. This study demonstrates that since 2011 the available water volume decreased and the water from the Toktogul and Shardara Reservoirs are overused. Merely the Kairakum Reservoir with a relatively small storage capacity is replenished every year. Likewise, a decrease of water level and volume of Lake Aydarkol is clearly visible.

Item URL in elib:https://elib.dlr.de/105359/
Document Type:Conference or Workshop Item (Speech)
Title:Water in Central Asia - Reservoir Monitoring with Radar Altimetry along the Naryn and Syr Darya River
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schöne, TiloGeoForschungsZentrum GFZUNSPECIFIED
Dusik, ElisabethDeutsche Gesellschaft für Internationale Zusammenarbeit (GIZ)UNSPECIFIED
Illigner, JuliaGeoForschungsZentrum GFZUNSPECIFIED
Klein, Igorigor.klein (at) dlr.deUNSPECIFIED
Date:2015
Journal or Publication Title:International Association of Geodesy Symposia
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
Status:Published
Keywords:Central Asia, lake and reservoir monitoring, radar altimetry, water problems
Event Title:IUGG 2015
Event Location:Prague, Czech Republic
Event Type:international Conference
Event Dates:22. Jul. - 2. Jun. 2015
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Klein, Igor
Deposited On:28 Nov 2016 11:44
Last Modified:19 Feb 2019 12:14

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  • Water in Central Asia - Reservoir Monitoring with Radar Altimetry along the Naryn and Syr Darya River. (deposited 28 Nov 2016 11:44) [Currently Displayed]

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