@unpublished{TUW-233095, author = {Verbesselt, Jan and Dorigo, Wouter and De Jong, Rogier and Zeileis, Achim}, title = {Shifts in soil moisture {\&} vegetation activity trends?}, year = {2014}, note = {talk: Satellite soil moisture validation {\&} application workshop 2014, Amsterdam, the Netherlands; 2014-07-10 -- 2014-07-11} }