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Snow-cover variability in central Asia between 2000 and 2011 derived from improved MODIS daily snow-cover products

Dietz, Andreas and Künzer, Claudia and Conrad, Christopher (2013) Snow-cover variability in central Asia between 2000 and 2011 derived from improved MODIS daily snow-cover products. International Journal of Remote Sensing, 34 (11), pp. 3879-3902. Taylor & Francis. doi: 10.1080/01431161.2013.767480. ISSN 0143-1161.

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Official URL: http://www.tandfonline.com/doi/abs/10.1080/01431161.2013.767480


In this study, the daily snow-cover time series has been analysed for the whole of central Asia after cloud coverage was removed. Snow-cover duration (SCD), snow-cover start (SCS), and snow-cover melt (SCM) have been derived for each hydrological year from 2000/2001 to 2010/2011 and mean conditions were extracted that identify a distinct north–south gradient of these parameters. The snow-cover index (SCI), which depicts a moderate variability with maximum deviations of 20%, has been included for major hydrological catchments. The hydrological year 2001/2002 stands out due to minimum SCD caused by late SCS and early SCM while 2002/2003 constitutes maximum SCD initiated by late SCM. Although the time series of 11 years of data is too short to calculate possible trends of snow-cover characteristics, the results can be used to describe the average snow-cover conditions and compare single years against these values. Large divergences can indicate deficits or excesses of snow, which may lead to abnormal run-off situations, including natural disasters such as floods, landslides, or droughts. The latter, especially, can have severe negative economic impacts in a region.

Item URL in elib:https://elib.dlr.de/82816/
Document Type:Article
Title:Snow-cover variability in central Asia between 2000 and 2011 derived from improved MODIS daily snow-cover products
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:International Journal of Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 3879-3902
Publisher:Taylor & Francis
Keywords:snow, snow cover, Central Asia, MODIS, snow cover duration
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Vorhaben Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Dietz, Andreas
Deposited On:08 Jul 2013 08:47
Last Modified:07 Nov 2023 08:39

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