DOMECair: An Airborne Campaign in Antarctica Supporting SMOS Calibration

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    Abstract

    In search for a stable, well characterized terrestrial calibration target for SMOS, an airborne campaign was carried out in January 2013 over the Dome C area of Antarctica, and the surface was measured by an L-band radiometer. The focus was on homogeneity, and an area of 350 × 350 km around the Concordia station was surveyed using grid, star, and circular flight patterns. Significant and maybe surprising dynamics in brightness temperature is observed. An East-West line through Concordia displays almost 10 K variations, and in specific cases a slope of almost 1 K per km. It is concluded that use of the Dome C area for calibration check of spaceborne radiometers is indeed viable, but with caution - especially when comparing instruments with differing spatial resolutions.
    Original languageEnglish
    Title of host publicationProceedings of ESA Living Planet Symposium
    PublisherEuropean Space Agency
    Publication date2013
    Publication statusPublished - 2013
    EventESA Living Planet Symposium — 2013 - Edinburgh, United Kingdom
    Duration: 9 Sep 201313 Sep 2013

    Conference

    ConferenceESA Living Planet Symposium — 2013
    Country/TerritoryUnited Kingdom
    CityEdinburgh
    Period09/09/201313/09/2013

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