DOMECair: An Airborne Campaign in Antarctica Supporting SMOS Calibration

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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


ConferenceESA Living Planet Symposium — 2013
Country/TerritoryUnited Kingdom


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