The Sahel has experienced strong climate variability in the past decades. Understanding its implications for natural and cultivated ecosystems is pivotal in a context of high population growth and mainly agriculture‐based livelihoods. However, efforts to model processes at the land–atmosphere interface are hindered, particularly when the multi‐decadal timescale is targeted, as climatic data are scarce, largely incomplete and o...

This paper analyses the spatial distribution of the inter‐annual variability of vegetation activity in central Siberia and its relationship with atmospheric circulation variability. We used NOAA‐AVHRR NDVI series from Pathfinder Land Data Set at 1° of spatial resolution, and we calculated the annual vegetation activity in each pixel (aNDVI) from 1982 to 2001. Principal component analysis (PCA) was used to determine the general...