University of Worcester Worcester Research and Publications

Towards a Map of the European Tree Cover based on Sentinel-2

Ottosen, Thor-Bjørn, Petch, Geoffrey, Hanson, Mary and Skjøth, C. (2017) Towards a Map of the European Tree Cover based on Sentinel-2. Proceedings of the 2017 conference on Big Data from Space. BIDS' 2017. pp. 402-405. ISSN 1831-9424

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Many areas of science and policy depend on knowledge of the tree cover in Europe. Sentinel-2 is a new (launched in 2015) satellite with a higher spatial resolution compared to previous satellites. In the present study a new algorithm for mapping tree cover from Sentinel-2 is developed, an analysis of which bands should be used for tree cover mapping is made, the accuracy of the mapping is assessed, and the tree cover from the present approach is compared with previous estimates. Firstly, the feasibility of the present algorithm is demonstrated. Secondly, it is shown that only ten band combinations have good performance in four selected Sentinel-2 tiles and that the bands 3, 5, 6, 12 appear in most combinations. Thirdly, the accuracy is assessed to be high, and lastly it is shown that the relative difference between the tree cover of the present study and the tree cover of previous studies is between -14% and 68%

Item Type: Article
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The full-text can be accessed via the Official URL.

Uncontrolled Keywords: algorithm design, spectral bands, broadleaved trees, Intel DAAL
Subjects: G Geography. Anthropology. Recreation > GE Environmental Sciences
Divisions: Academic Departments > Institute of Science and the Environment
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Copyright Info: European Union
Depositing User: Thor-Bjorn Ottosen
Date Deposited: 07 Dec 2017 15:22
Last Modified: 26 Jan 2018 15:33

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