1. USGS/EROS Field Office, 4230 University Drive, Anchorage, AK 99508‐4664, USA,
2. Institute of Arctic Biology, University of Alaska, Fairbanks, AK 99775, USA,
3. Potsdam Institute for Climate Impact Research, Telegrafenberg, PO Box 601203, D‐14412 Potsdam, Germany,
4. National Weather Service, 222 W 7th Ave. Anchorage, AK 99513, USA,
5. Cooperative Institute for Research in Environmental Sciences (CIRES), Campus Box 449, University of Colorado, Boulder, CO 80309‐0216, USA