@unpublished{TUW-228639, author = {Verbesselt, Jan and De Jong, Rogier and Dorigo, Wouter and Zeileis, Achim and Ard{\"o}, Jonas and Herold, Martin}, title = {Structural Change in Soil Moisture and Vegetation Activity Trends in the African Sahel}, year = {2014}, note = {talk: GV2M: Global Vegetation Monitoring and Modeling, Avignon; 2014-02-03 -- 2014-02-07} }