A new spreadsheet-based calculator, called the Stream Quantification Tool, is steadily being adopted by Army Corps Districts throughout the United States for certain CWA 404 permitting projects to better quantify stream impacts and inform mitigation measures.
With all the warmth-driven changes to Alaska in the news, this right-on-time snow coverage is comforting.
University of Alaska Fairbanks professor emeritus and ecologist Terry Chapin has been named the 2019 recipient of the Volvo Environment Prize.
New seafloor maps show for the first time the course of ancient ice masses. They show how they shaped essential habitat for the western Gulf of Alaska’s abundant fish, seabirds, and marine mammals.
A few researchers took a few breaths recently to put together a new document. In it, they summarize what scientists have observed in this place that is changing faster than anywhere else in the US.
The USDA Forest Service signed a decisio that aims to improve forest health while supporting the resilience and economies of local communities.
Riley was a bonus wolf for the biologists. They had already collared the breeding female for the pack. Riley, they guessed, would be one of the followers, more likely to die or wander off than the breeding pair.
The Denali Fault is a weak spot in Earth’s crust that has maintained a frown across the middle of Alaska with its continual jerky movement. Ten scientists are performing fieldwork here, where they are driving 400 seismometers into frozen soil.
During “irruptions,” birders in New England can suddenly find their feeders clogged with redpolls from Canada and Alaska. People in the Lower 48 documented winter irruptions (“to increase rapidly or irregularly in number,” according to the American Heritage College Dictionary) of redpolls during 2008-2009 and 2012-2013.
Rosanne D’Arrigo of the tree-ring lab at Lamont-Doherty Earth Observatory in New York recently told the story of Alaska’s year without a summer. She attended the fall meeting of the American Geophysical Union last month in Washington, DC.