28 January 2002 Atmospheric correction of 2000 HyMAP data in the framework of the EU-project MINEO
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Abstract
During the MINEO flight-campaign in summer 2000 HyMap data was recorded for the test site Kirchheller Heide north of the Ruhr district. The aim of this project is to use hyperspectral spectrometer data to detect environmental and ecological changes. They are caused by an affected hydrological balance due to deep hard coal mining. Dynamic mining demands regular updates of the spatial information. This data will become part of an environmental monitoring system which shall comprise analysis of hyperspectral data as an important constituent. As an essential preprocessing step for vegetation studies and multitemporal analyses, ATCOR-4 was used for atmospheric correction. Additionally, atmospheric data from Deutscher Wetterdienst (DWD) and ground reflectance spectra were recorded as an essential data-input for the ATCOR 4 model. The field spectra were used first to control the accuracy of the standard calibration files which are provided with the hyperspectral data. This workflow provides accurate results for wavelengths shorter than 1 micrometers directly. In an interactive manner the inflight calibration module of ATCOR-4 allows to built up and adapt new calibration files suitable for all wavelengths. The first calculated atmospheric lookup-tables and this final calibration file were used to perform the atmospheric correction for the HyMap scene.
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Andreas Brunn, Andreas Brunn, Christoph Dittmann, Christoph Dittmann, Christian Fischer, Christian Fischer, Rudolf Richter, Rudolf Richter, } "Atmospheric correction of 2000 HyMAP data in the framework of the EU-project MINEO", Proc. SPIE 4541, Image and Signal Processing for Remote Sensing VII, (28 January 2002); doi: 10.1117/12.454173; https://doi.org/10.1117/12.454173
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