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  Soil Moisture from Metop ASCAT Data at High Latitudes

Bartsch, A., Melzer, T., Elger, K., Heim, B. (2012): Soil Moisture from Metop ASCAT Data at High Latitudes. - In: Hinkel, K. M. (Ed.), Proceedings of the Tenth International Conference on Permafrost Salekhard, Yamal-Nenets Autonomous District, Russia June 25–29, 2012; Volume 1: International Contributions, Salekhard : The Northern Publisher, 33-38.

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Item Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_1453933 Version Permalink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_1453933_3
Genre: Book Chapter

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 Creators:
Bartsch, Annett1, Author
Melzer, Thomas1, Author
Elger, Kirsten2, Author              
Heim, Birgit1, Author
Affiliations:
1External Organizations, ou_persistent22              
20 Pre-GFZ, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum, ou_146023              

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Free keywords: remote sensing; active microwave; tundra; time series; soil moisture.
 Abstract: Several global satellite-derived soil moisture datasets exist to date. They are based on analyses of passive or active microwave data. Resolution is coarse at 25 km, but temporal sampling is very high. A monitoring service for applications at high latitudes is implemented within the European Space Agency (ESA) data User Element (DUE) initiative ‘Permafrost.’ Measurements are based on Metop ASCAT, a European active microwave instrument (scatterometer, C-band). This study discusses comparisons between these data and in situ measurements from Alaska. Weekly averaged values have been compared to soil moisture records at several USDA stations. Results show that in situ soil moisture measurements at shallow depths reflect variations of satellite-derived relative near-surface soil moisture although the used sensor provides data at only 25 km resolution. There are indications that this relationship is impacted by micro-topography and temporal offsets related to snowmelt and active layer dynamics.

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 Dates: 2012
 Publication Status: Finally published
 Pages: 6
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: URI: http://hdl.handle.net/10013/epic.39832
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Title: Proceedings of the Tenth International Conference on Permafrost Salekhard, Yamal-Nenets Autonomous District, Russia June 25–29, 2012 ; Volume 1: International Contributions
Source Genre: Proceedings
 Creator(s):
Hinkel, Kenneth M., Editor
Affiliations:
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Publ. Info: Salekhard : The Northern Publisher
Pages: 492 Volume / Issue: Vol.1 Sequence Number: - Start / End Page: 33 - 38 Identifier: ISBN: 978-5-905911-01-9