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Snow cover dynamics in the European Alps derived from medium resolution earth Observation imagery

Hu, Zhongyang and Dietz, Andreas and Künzer, Claudia (2018) Snow cover dynamics in the European Alps derived from medium resolution earth Observation imagery. VAO-Symposium, 13.-15. März 2018, Grenoble, Frankreich.

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Abstract

Snow cover dynamics in the alpine region are of great importance for the regional climate, fresh water, hydropower generation, biodiversity, natural disasters, and tourism. The European Alps are a fragile ecosystem, in which snow cover is particularly sensitive to climate change. Thus, monitoring snow dynamics including snow cover distribution, extent and mass within the Alpine area may not only assist to determine local vulnerability, but also provide a regional assessment of the ongoing climate change. Within the presented study we analyzed the daily snow cover information provided by DLR’s (German Aerospace Center) Global SnowPack product to identify snow cover developments in European Alps between 2000 and 2016. The Global SnowPack is a medium resolution (500 m pixels) reprocessed time series based on the snow cover products MOD10A1/MYD10A1 derived from Moderate Resolution Imaging Spectroradiometer (MODIS), where all gaps caused by cloud cover or polar darkness have been interpolated to provide a gapless time series of daily data. In the European Alps, we have analyzed the time series of Snow Cover Persistence (SCP) and Altitudinal Snow Cover Fraction (ASCF). The results showed a tendency towards decreasing snow cover duration.

Item URL in elib:https://elib.dlr.de/119516/
Document Type:Conference or Workshop Item (Poster)
Title:Snow cover dynamics in the European Alps derived from medium resolution earth Observation imagery
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hu, ZhongyangZhongyang.Hu (at) dlr.deUNSPECIFIED
Dietz, AndreasAndreas.Dietz (at) dlr.deUNSPECIFIED
Künzer, ClaudiaClaudia.Kuenzer (at) dlr.deUNSPECIFIED
Date:March 2018
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:snow cover, Alps, climate Change, MODIS, Global SnowPack, hydrology
Event Title:VAO-Symposium
Event Location:Grenoble, Frankreich
Event Type:international Conference
Event Dates:13.-15. März 2018
Organizer:Virtaul Alpine Observatory
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 - Remote sensing and geoscience
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Dietz, Andreas
Deposited On:26 Oct 2018 09:35
Last Modified:31 Jul 2019 20:17

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