Monitoring concepts for coastal areas using lidar data

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Schmidt, A.; Rottensteiner, F.; Soergel, U.: Monitoring concepts for coastal areas using lidar data. In: International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences - ISPRS Archives 40 (2013), Nr. 1W1, S. 311-316.

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Sum total of downloads: 1,235

Coastal areas are characterized by high spatial and temporal variability. In order to detect undesired changes at early stages, enabling rapid countermeasures to mitigate or minimize potential harm or hazard, a recurrent monitoring becomes necessary. In this paper, we focus on two monitoring task: the analysis of morphological changes and the classification and mapping of habitats. Our concepts are solely based on airborne lidar data which provide substantial information in coastal areas. For the first task, we generate a digital terrain model (DTM) from the lidar point cloud and analyse the dynamic of an island by comparing the DTMs of different epochs with a time difference of six years. For the deeper understanding of the habitat composition in coastal areas, we classify the lidar point cloud by a supervised approach based on Conditional Random Fields. From the classified point cloud, water-land-boundaries as well as mussel bed objects are derived afterwards. We evaluate our approaches on two datasets of the German Wadden Sea.
License of this version: CC BY 3.0
Document Type: article
Publishing status: publishedVersion
Issue Date: 2013
Appears in Collections:Fakultät für Bauingenieurwesen und Geodäsie

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downloads by country:

pos. country downloads
total perc.
1 image of flag of Germany Germany 1,146 92.79%
2 image of flag of No geo information available No geo information available 18 1.46%
3 image of flag of United States United States 8 0.65%
4 image of flag of United Kingdom United Kingdom 6 0.49%
5 image of flag of Switzerland Switzerland 6 0.49%
6 image of flag of Austria Austria 6 0.49%
7 image of flag of France France 5 0.40%
8 image of flag of China China 5 0.40%
9 image of flag of Spain Spain 4 0.32%
10 image of flag of Brazil Brazil 3 0.24%
    other countries 28 2.27%

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