ESS-Watershed Science, Colorado State University, Fort Collins, CO 80523-1476, USA;
Geographisches Institut, Abt.Kartographie, GIS & Fernerkundung, Georg-August-Universit(a)t G(o)ttingen, 37077 G(o)ttingen, Germany;
Cooperative Institute for Research in the Atmosphere, Fort Collins, CO 80523-1375, USA;
Geospatial Centroid, Colorado State University, Fort Collins, CO 80523-1101, USA;
Natural Resources Ecology Laboratory, Fort Collins, CO 80523-1499, USA;
Institute of Arctic and Alpine Research, University of Colorado Boulder, Boulder, CO 80309-0450, USA;
Geosciences, Colorado State University, Fort Collins, CO 80523-1482, USA;