The tempo of greening in the European Alps: Spatial variations on a common theme

Philippe Choler, Arthur Bayle, Bradley Z. Carlson, Christophe Randin, Gianlucca Filippa & Edoardo Cremonese
The long-term increase of satellite-based proxies of vegetation cover is a well-documented response of seasonally snow-covered ecosystems to climate warming. However, observed greening trends are far from being uniform and substantial uncertainty remains concerning the underlying causes of this spatial variability. Here, we processed surface reflectance of the moderate resolution imaging spectroradiometer (MODIS) to investigate trends and drivers of changes in the annual peak values of the Normalized Difference Vegetation Index (NDVI). Our study focuses...
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