Atmospheric Correction in
This masters thesis is a part of the nordic collaboration project NorSEN, whose goal is to improve the environmental surveillance in the regions north of the Arctic circle. This implies the build-up of a data-acquisition network that can be used for tracing environmental changes over the years. The...
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| Language: | English |
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| Online Access: | http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.557.3966 http://epubl.ltu.se/1402-1617/2007/142/LTU-EX-07142-SE.pdf |
| Summary: | This masters thesis is a part of the nordic collaboration project NorSEN, whose goal is to improve the environmental surveillance in the regions north of the Arctic circle. This implies the build-up of a data-acquisition network that can be used for tracing environmental changes over the years. The data from these sites can also be used as a reference for satellite image validation and to im-prove the atmospheric correction procedures of satellite imagery. Atmospheric correction is the process where an image taken at satellite level is recreated as it would have looked like on the ground. The signal is distorted along its way through the atmosphere by the means of absorption and scattering. Swedens contribution to this project is a raft with on board spectrometers placed on the lake Torneträsk near Abisko in the summer of 2005. Its geographical position is N 68 ◦ 21 ’ 39”, E 18 ◦ 50 ’ 4”. The lake is surrounded by mountains which are often covered with clouds that changes the light conditions. This poses a problem for the atmospheric correction since these types of situations are more |
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