First Retrievals of Surface and Atmospheric Properties Using EnMAP Measurements over Antarctica

The paper presents the first retrievals of clean snow properties using spaceborne hyperspectral observations via the Environmental Mapping and Analysis Program (EnMAP). The location close to the Concordia station at the Dome C Plateau (Antarctica) was selected. At this location, the atmospheric effe...

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Bibliographic Details
Published in:Remote Sensing
Main Authors: Kokhanovsky, A., Brell, M., Segl, K., Bianchini, G., Lanconelli, C., Lupi, A., Petkov, B., Picard, G., Arnaud, L., Stone, R., Chabrillat, S.
Format: Article in Journal/Newspaper
Language:English
Published: 2023
Subjects:
Concordia Station
Antarc*
Antarctica
Online Access:https://gfzpublic.gfz-potsdam.de/pubman/item/item_5022498
https://gfzpublic.gfz-potsdam.de/pubman/item/item_5022498_1/component/file_5022515/5022498.pdf
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Summary:The paper presents the first retrievals of clean snow properties using spaceborne hyperspectral observations via the Environmental Mapping and Analysis Program (EnMAP). The location close to the Concordia station at the Dome C Plateau (Antarctica) was selected. At this location, the atmospheric effects (except molecular light scattering and absorption) are weak, and the simplified atmospheric correction scheme could be applied. The ice grain size, snow specific surface area, and snow spectral and broadband albedos were retrieved using single-view EnMAP measurements. In addition, we propose a technique to retrieve trace gas concentrations (e.g., water vapor and ozone) from EnMAP observations over the snow surfaces. A close correspondence of satellite and ground-measured parameters was found.

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