Linear trend in yearly vegetation productivity
GIS Map Application
Last modified 15 May 2019
Topics:
Land use
,
Linear trend of yearly growing season vegetation productivity. Vegetation productivity was derived within the growing season from the PPI vegetation index. The layers shows the R value of the fitted linear regression model. Temporal extent 2000-2016. Spatial resolution 500m.
The vegetation index used in the indicator is the Plant Phenology Index (PPI, Jin and Eklundh, 2014). PPI is based on the MODIS Nadir BRDF-Adjusted Reflectance product (MODIS MCD43 NBAR. The product provides reflectance data for the MODIS “land” bands (1 - 7) adjusted using a bi-directional reflectance distribution function. This function models values as if they were collected from a nadir-view to remove so called cross-track illumination effects. The product is distributed with 500 m pixel size (MODIS Sinusoidal Grid) with 8-days compositing period. The web map service was derived from a floating point time series.
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For references, please go to https://www.eea.europa.eu/data-and-maps/explore-interactive-maps/linear-trend-in-yearly-vegetation-productivity or scan the QR code.
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