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Global SnowPack - A set of Snow Cover Parameters derived from times series of daily snow cover data made available on a global scale

Dietz, Andreas und Künzer, Claudia und Dech, Stefan (2015) Global SnowPack - A set of Snow Cover Parameters derived from times series of daily snow cover data made available on a global scale. 36th International Symposium on Remote Sensing of Environment, 2015-05-11 - 2015-05-15, Berlin.

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Kurzfassung

Snow cover is an important climatic variable as it influences various environmental aspects - ranging from small scale hydrological parameters like runoff or floods, ground water recharge and hydro power generation, to large scale planetary processes connected to climate change. Remote sensing data offer the opportunity to detect terrestrial snow cover in high temporal and spatial resolution. The processing of globally available time series of remote sensing data constitutes a challenging task due to the huge data volume and computational demand. With the Global SnowPack the German Remote Sensing Data Center (DFD) of the German Aerospace Center (DLR) provides a new set of medium resolution Snow Cover products generated to fulfill the requirements of both large scale climate studies as well as small scale hydrological analyses. Between 2000 and 2014, Snow Cover Duration (SCD), Early Season SCD (ESS) and Late Season SCD (LSS) are derived from reprocessed operational MODIS daily snow cover products MOD10A1 and MYD10A1 (500m resolution). 139 MODIS tiles are included in the processing workflow to cover the whole cryosphere of the full globe, comprising more than 100.000 scenes per year. For the years before 2000, snow cover is derived from AVHRR LAC and HRPT data (1.000m resolution) relying on a combination of the APOLLO and SPARC schemes. The presentation will give an overview of the used algorithms to process time series of snow cover data as well as the produced snow cover products. Global SCD, ESS, and LSS will be illustrated for the whole time series. Examples for potential applications of the Global SnowPack are included for both – small scale as well as large scale planetary analyses - at the end of the presentation.

elib-URL des Eintrags:https://elib.dlr.de/95803/
Dokumentart:Konferenzbeitrag (Vortrag)
Titel:Global SnowPack - A set of Snow Cover Parameters derived from times series of daily snow cover data made available on a global scale
Autoren:
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iDORCID Put Code
Dietz, AndreasAndreas.Dietz (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Künzer, ClaudiaClaudia.Kuenzer (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Dech, Stefanstefan.dech (at) dlr.deNICHT SPEZIFIZIERTNICHT SPEZIFIZIERT
Datum:2015
Referierte Publikation:Nein
Open Access:Nein
Gold Open Access:Nein
In SCOPUS:Nein
In ISI Web of Science:Nein
Status:veröffentlicht
Stichwörter:SnowPack, snow cover, time series, global, remote sensing
Veranstaltungstitel:36th International Symposium on Remote Sensing of Environment
Veranstaltungsort:Berlin
Veranstaltungsart:internationale Konferenz
Veranstaltungsbeginn:11 Mai 2015
Veranstaltungsende:15 Mai 2015
Veranstalter :International Society for Photogrammetry and Remote Sensing
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Raumfahrt
HGF - Programmthema:Erdbeobachtung
DLR - Schwerpunkt:Raumfahrt
DLR - Forschungsgebiet:R EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):R - Vorhaben Fernerkundung der Landoberfläche (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Deutsches Fernerkundungsdatenzentrum > Landoberfläche
Hinterlegt von: Frey, Dr. Corinne
Hinterlegt am:19 Jun 2015 12:57
Letzte Änderung:24 Apr 2024 20:01

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