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Modeling Carbon Sinks and Sources in semi-arid Environments for a Land Degradation Assessment Approach

Niklaus, Markus and Tum, Markus and Günther, Kurt (2010) Modeling Carbon Sinks and Sources in semi-arid Environments for a Land Degradation Assessment Approach. In: Integration of Environmental Information in Europe, Proceedings of the 24th International Conference on Informatics for Environmental Protection Cologne/Bonn, Germany, pp. 648-656. Shaker Verlag GmbH. EnviroInfo2010, Köln/Bonn. ISBN 978-3-8322-9458-8.

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Abstract

Contrary to wetlands or moderate climates, the understanding of carbon exchange between ecosystem and atmosphere in arid and semi-arid environments is more challenging due to the sensible feedback of terrestrial ecosystems to environmental variability. Especially in the savannah regions of South Africa the biomes are strongly affected on the one hand by low and sporadic precipitation and on the other hand by intense land use of livestock farming. This leads to wide degraded areas under the process of desertification and the loss of huge carbon stocks in soil and vegetation. To quantify the carbon sinks and sources in these regions we ran our dynamic vegetation model BETHY/DLR for South Africa which generates maps of Net Primary Productivity, NPP, in spatial resolution of 1 km. These results can help assessing the status and development of land degradation for the whole country of South Africa.

Document Type:Conference or Workshop Item (Speech)
Title:Modeling Carbon Sinks and Sources in semi-arid Environments for a Land Degradation Assessment Approach
Authors:
AuthorsInstitution or Email of Authors
Niklaus, Markusmarkus.niklaus@dlr.de
Tum, Markusmarkus.tum@dlr.de
Günther, Kurtkurt.guenther@dlr.de
Date:September 2010
Journal or Publication Title:Integration of Environmental Information in Europe, Proceedings of the 24th International Conference on Informatics for Environmental Protection Cologne/Bonn, Germany
Refereed publication:Yes
In ISI Web of Science:No
Page Range:pp. 648-656
Editors:
EditorsEmail
Greve, KlausUNSPECIFIED
Cremers, Armin B.UNSPECIFIED
Publisher:Shaker Verlag GmbH
ISBN:978-3-8322-9458-8
Status:Published
Keywords:Carbon Modelling, South Africa, Land Degradation, Arid Environments, BETHY/DLR
Event Title:EnviroInfo2010
Event Location:Köln/Bonn
Event Type:international Conference
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 Prozesse der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Markus Niklaus
Deposited On:16 Jul 2012 09:15
Last Modified:22 Apr 2013 08:51

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