Centrum Wiskunde & Informatica, Amsterdam, Netherlands
Princeton Plasma Physics Laboratory, Princeton, United StatesAF: Centrum Wiskunde & Informatica, Amsterdam, Netherlands
Cooperative Institute for Research in Environmental Sciences, University of Colorado, Boulder, United StatesAF: Centrum Wiskunde & Informatica, Amsterdam, Netherlands
University of California Los Angeles, Los Angeles, CA, United States
GFZ German Research Centre for Geosciences, Potsdam, Germany