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Conference paper

DOMECair: An Airborne Campaign in Antarctica Supporting SMOS Calibration

In Proceedings of Esa Living Planet Symposium — 2013
From

National Space Institute, Technical University of Denmark1

Microwaves and Remote Sensing, National Space Institute, Technical University of Denmark2

IT-Department, National Space Institute, Technical University of Denmark3

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.

Language: English
Publisher: European Space Agency
Year: 2013
Proceedings: ESA Living Planet Symposium — 2013
Types: Conference paper
ORCIDs: Skou, Niels , Kristensen, Steen Savstrup , Søbjærg, Sten Schmidl and Balling, Jan E.

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