1. School of Aquatic and Fishery Sciences University of Washington Box 355020 Seattle WA 98105 USA
2. Polar Science Center Applied Physics Laboratory University of Washington 1013 NE 40th Street Seattle WA 98105 USA
3. Applied Physics Laboratory University of Washington Seattle WA 98105 USA
4. North Slope Borough Department of Wildlife Management PO Box 69 Barrow AK 99723 USA
5. Freshwater Institute Fisheries & Oceans Canada 501 University Crescent Winnipeg MB R3T 2N6 Canada