Climate index and mode information
- Why and how do scientists study climate change in the Arctic? What are the Arctic Climate indices?
- Arctic Change Indicators website - information on the present state of Arctic ecosystems and climate in historical context
- NOAA Bering Climate website - the State of the Bering Sea is featured on this comprehensive resource on the Bering Sea Climate and Ecosystem
- Pacific Decadal Oscillation (PDO) from University of Washington
- Pacific Decadal Oscillation explanation from NASA/JPL
- Near-Realtime Arctic
Change Indicators from NOAA