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S Gerland: In situ calibration and validation of sea ice and snow on sea ice satellite products

Description

Presented by Sebastian Gerland, Norwegian Polar Institute, Norway, at the ESA-CliC Earth Observation and Arctic Science Priorities Meeting, Norway, 2015

Observational sea ice and snow data are necessary for processing and improvement of satellite remote sensing products. The Norwegian Polar Institute conducts both longterm monitoring and process studies over sea ice in the Arctic. Important in situ and airborne observation methods and examples of results will be presented. One important activity that just started is the project N-ICE2015. In this project, the research vessel “Lance” is frozen into Arctic sea ice, drifting for almost 6 months with the ice, while a larger number of observations above, in and below the ice is conducted.

The second part of the presentation will deal with different ongoing projects with calibration and validation elements, using different satellite sensors, among the SAR, radar altimetry, L-band radiometry, and optical remote sensing. Some preliminary and some final results from these projects will be shown.

In the third and last part of the presentation, a brief view towards the future will aim at discussing gaps of knowledge, new remote sensing science questions, and user needs.

For more information on the meeting this was presented at, see http://www.climate-cryosphere.org/meetings/esa-arctic-2015

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