Essays on the Arctic

New! Arctic Report Card - tracking recent environmental changes
Also: Expert Essays on the Bering Sea Climate and Ecosystem

Why and how do scientists study climate change in the Arctic? What are the Arctic climate indices?		Nick Bond/James Overland/Nancy Soreide
The short Arctic summer of 2004 - as observed by the North Pole Web Cam		Norbert Untersteiner
Arctic summer time - the puzzling summer of 2003		Norbert Untersteiner
New! How rapidly is permafrost changing and what are the impacts of these changes?		Vladimir E. Romanovsky
What changes are indigenous peoples observing in the state of sea ice?		Shari Gearheard
Changes in Arctic sea ice over the past 50 years: Bridging the knowledge gap between the scientific community and the Alaska Native community.		Rob Mattlin/Henry Huntington
How have changes in Arctic environment over the past 50 years affected the Alaska Native community?		Caleb Pungowiyi
How has the intensity of UVB radiation changed recently in the Arctic, and what significance might these changes have?		Betsy Weatherhead
How does Arctic Sea Ice Form and Decay?		Peter Wadhams
What changes have occurred in Arctic sea ice volume and dynamics over the past 50 years?		Norbert Untersteiner
How might sea level be affected by changes in the Arctic land ice?		Roger Barry
What long term trends and decadal changes do you see occurring in the Arctic atmosphere, and what significance do they have?		John Walsh
How well can Arctic climate be simulated by computer-based models?		Amanda Lynch
Is mercury a significant contaminant in the Arctic?		Steve Lindberg/Steve Brooks
Are persistent organic pollutants a threat to Arctic marine mammals?		John Calder
What research needs and prioritites are important to Arctic development?		Walter B. Parker
Updated! What do we know about organisms that thrive in Arctic sea ice?		Krembs/Deming
What do we know about communities of organisms thriving around vents and seeps on the Arctic sea floor?		Peter Vogt
Arctic Wolves and their prey		L. David Mech
What has been happening to polar bears in recent decades?		Scott L. Schliebe

New Also see Expert Essays on the Bering Sea Climate and Ecosystem