usgs circum-arctic resource assessment
DESCRIPTION
USGS Circum-Arctic Resource Assessment. Peeling Back the Onion – Understanding the Arctic System. Highly complex interplay of physical, chemical, biological and social processes. . - PowerPoint PPT PresentationTRANSCRIPT
UNIVERSITY OF ALASKA FAIRBANKS
1
USGS Circum-Arctic Resource Assessment
UNIVERSITY OF ALASKA FAIRBANKS
2
Highly complex interplay of physical, chemical, biological and social processes.
Peeling Back the Onion – Understanding the Arctic System
UNIVERSITY OF ALASKA FAIRBANKS
3
Dramatic Change in Sea Ice ExtentRapid ecosystem changeIncreased access to energy, hard minerals and fishery resourcesIncreased shipping, tourism, and community access
National Snow and Ice Data Center
UNIVERSITY OF ALASKA FAIRBANKS
4
Circum-Arctic Non-Petroleum Resources
Lawson BrighamAMSA 12 August 2008
UNIVERSITY OF ALASKA FAIRBANKS
5
Diverse Sources of Spill Risk Needs Diverse Response Capacity
Crowley Marine
Anchorage Daily News, 21 Sept 2011/14 Nov 2012
Tugboat runs aground on Alaska Peninsula, stranding crew and barge. ADN : November 14, 2012
UNIVERSITY OF ALASKA FAIRBANKS
6
Ice-Ocean Modeling of the Bering Sea 10-km grid 30-year hindcast for model evaluation 50-year climate scenario forecast for Bering Sea fisheries Captures ice variations and currents
Ice ExtentObservedModeled
Supported by: BOEMREE. Curchitser (Rutgers), K. Hedstrom, T. Weingartner, S. Danielson (UAF)
6