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  • 1
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    Implementation of a satellite data based permafrost information system - The DUE Permafrost Project (2010)
    ESA ESRIN
    In:  EPIC3ESA Living Planet Symposium 2010 proceedings, ESA ESRIN, pp. 5 p.
    Details
    Publication Date: 2019-07-16
    Description: Permafrost is an essential climate variable (ECV). It is a subsurface phenomenon which cannot be directly measured with remotely sensed data. However, many parameters which influence the ground thermal regime and surface indicators can be captured with satellite data. Those are e.g. land surface temperature, land cover and snow parameters, soil moisture and terrain changes. The capabilities of currently available remotely sensed datasets need to be assessed with respect to operational monitoring and their value enhanced by a synergistic use. Within the ESA DUE Permafrost project a wide range of EO datasets are investigated and integrated in an information system with extensive involvement of the permafrost research community. This comprises pan-boreal/arctic to regional and local scale investigations. A number of relevant global datasets do already exist or are currently in development. Land surface temperature is available from MODIS and AATSR on global scale. ESA projects such as GlobCover, GlobCarbon and GlobSnow provide important land cover parameters. An operational soil moisture monitoring system is currently provided by EUMETSAT from MetOp ASCAT. The majority of these datasets has been developed and validated outside of the circumpolar permafrost zone. The assessment of these datasets is thus an integral part of the project. The information system will comprise those global datasets and also regional and local scale monitoring results. The latter cover sites in Alaska, Mackenzie basin, Southern Yakutia and Laptev and East Siberian Sea region. The database setup considers use by permafrost modelers and scientists working on local scale (hydrology, geomorphology, botany etc.). A combination with a WebGIS portal will allow efficient dissemination of results and free access. In this paper we present the current design of the information system.
    Repository Name: EPIC Alfred Wegener Institut
    Type: Article , notRev
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  • 2
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    Thematic and Land Subsidence Maps of the Lagoon of Venice from ERS SAR Interferometry (2016)
    CORILA, Venezia; Istituto Veneto di Scienze, Lettere ed Arti, Venezia; La Garangola, Padova (ITA)
    Details
    Publication Date: 2017-04-04
    Description: Within the Co.Ri.La. project 3.2 on Hydrodynamics and Morphology, interferometric radar images from the ERS-1/2 satellites from 1993 to 2000 have been used to generate a subsidence map of the Lagoon of Venice. The SAR interferometric land subsidence map pictures very well the different displacement rates of the various compartments of the Lagoon. The SAR interferometric displacement map is discussed in comparison to the levelling results available through the ISES project. A geocoded thematic map of the Lagoon of Venice at 30 m resolution is also presented.
    Description: Published
    Description: 345-355
    Description: 6A. Monitoraggio ambientale, sicurezza e territorio
    Description: open
    Keywords: Synthetic Aperture Radar (SAR) ; ERS-1, ERS-2 ; Lagoon of Venice ; SAR interferometry ; Land subsidence ; Coastal Hazard ; 05. General::05.08. Risk::05.08.02. Hydrogeological risk
    Repository Name: Istituto Nazionale di Geofisica e Vulcanologia (INGV)
    Type: book chapter
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