This work is supported by Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – project no. 268020496 – TRR 172, within the Transregional Collaborative Research Center “ArctiC Amplification: Climate Relevant Atmospheric and SurfaCe Processes, and Feedback Mechanisms”, (AC)3, as well as the project INTAROS (INTegratedArctic Observation System) funded by the European Union’s Horizon 2020 Research and Innovation Programme under GA 727890.

We very much appreciate the provision of TWV data by Remote Sensing Systems (RSS). AMSR TWV data are produced by Remote Sensing Systems and were sponsored by the NASA AMSR-E Science Team and the NASA Earth Science MEaSUREs Program. Data are available at


For more information or questions please contact Arantxa Triana-Gómez, Christian Melsheimer, Georg Heygster, or Gunnar Spreen