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European Environment Agency
Kongens Nytorv 6 Copenhagen - 1050 Denmark

High Resolution Layer: Forest Type 2012 (raster 20m), Apr. 2018

Type: datasetLicense: not specifiedCategory: imagery, base maps, earth coverResolution: 20 metersLast update: 3 years ago
Land cover

The high resolution forest product consists of three types of (status) products and additional change products. The status products are available for the 2012, 2015 and 2018 reference years: 1. Tree cover density providing level of tree cover density in a range from 0-100%; 2. Dominant leaf type providing information on the dominant leaf type: broadleaved or coniferous; 3. A Forest type product. The forest type product allows to get as close as possible to the FAO forest definition. In its original (20m) resolution it consists of two products: 1) a dominant leaf type product that has a MMU of 0.5 ha, as well as a 10% tree cover density threshold applied, and 2) a support layer that maps, based on the dominant leaf type product, trees under agricultural use and in urban context (derived from CLC and high resolution imperviousness 2009 data). For the final 100m product trees under agricultural use and urban context from the support layer are removed. The high resolution forest change…

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Data origin:

Semi-automatic classification of pre-processed multitemporal High Resolution (HR) satellite image data (IRS-p6, ResourceSat-2, SPOT-4, SPOT-5) with reference year 2012 (+/- 1 year), using supervised and unsupervised elements, leading to scene-based binary masks of tree cover. Subsequently, a supervised classification of the dominant leaf type (broadleaved and coniferous) has been performed, considering the DLT 2015 product as a reference. Finally, interactive manual corrections of the derived tree cover mask have been performed and integrated to a seamless mosaic. The thereof derived Dominant Leaf Type (DLT) product has been intersected with the Tree Cover Density (TCD) product considering a 10% density threshold and subsequently filtered with a Minimum Mapping Unit (MMU) of 0.5 ha. Thus, the derived Forest Type (FTY) product is largely following the forest definition of the Food and Agriculture Organization (FAO). Geometric accuracy (positioning scale): Less than one pixel according…

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Purpose: not specified

Data life cycle, according to producer:
Creation date: April 30, 2018
Update frequency: continual



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