Advertisement

February 19, 2021

‘Ghost forest’ got run over by a glacier

A “ghost forest” exposed as La Perouse Glacier in Southeast Alaska retreated. In the past, the glacier ran over the rainforest trees. Two people are also in the photo. Photo by Ben Gaglioti.

Read More >>



February 8, 2021

Blue beads in the tundra: The first U.S. import from Europe?

Glass beads the size of blueberries found by archeologists in a Brooks Range house-pit might be the first European item ever to arrive in North America, predating the arrival of Columbus by a few decades.

Read More >>



January 29, 2021

Bowhead whales: A recent success story

Bowhead whales are true northern creatures, swimming only in cold oceans off Alaska, Canada, Greenland, Svalbard and Russia. These bus-size whales have the largest mouths in the animal kingdom, can live for 200 years and can go without eating for more than a year due to their remarkable fat reserves. Bowheads are also a rare wildlife rebound story, with the population north and west of Alaska now numbering more than 16,000. That’s up from the 1,000 or so animals Yankee whalers left behind in bloody waters at the turn of the last century.

Read More >>



January 21, 2021

Alaska’s all-time cold record turns 50

Jan. 23, 2021, is the 50th anniversary of Alaska’s all-time cold temperature: minus 80 degrees Fahrenheit, recorded by a weather observer at Prospect Creek Camp. Now a clearing in the woods, Prospect Creek Camp was located near the confluence of Prospect Creek and the Jim River, just north of the Arctic Circle and about 160 miles north of Fairbanks.

Read More >>



January 11, 2021

The Ray Sponaugle well: A 13,000-ft lesson in Appalachian Valley and Ridge structure

“To the surprise of the drillers and geologists involved with the project, the well bore never got anywhere close to the Cambrian quartzite. At 10,000 ft (3,010 m) below the surface, the well passed through a thrust fault and entered a tight, nearly recumbent syncline cored by the same Ordovician shale unit into which drilling began.”

Read More >>



Giant storms, big waves and chilly winds

…the Howard Pass weather station in the western Brooks Range recorded an air temperature of minus 33 degrees Fahrenheit. At the same time, the wind was blowing 47 miles per hour. That’s a windchill of minus 78 degrees. That inhumane condition is not unusual for Howard Pass, a relative low spot (2,062 feet) in Alaska’s farthest-north mountain range.

Read More >>



December 4, 2020

Lidar hillshade imagery hints at the location of a future coal spoil landslide

A coal spoil landslide in southeastern Wise County, Virginia, appears traceable to a faint scarp visible in the spoil pile in a 2017 lidar dataset. The slide pre-dates October 2019 Google Earth imagery and post-dates the 2017 lidar data acquisition.

Read More >>



December 3, 2020

The northern shrike: songbird like no other

Northern shrikes often jam their prey in forks of trees, or impale voles and birds on a sharp branch, or maybe a strand of barbed wire. Shrikes may store food like this because their feet are more like a chickadee’s than a hawk’s; sticking their food to something helps them tear into it.

Read More >>



November 17, 2020

Some good news from the thin ice

A group of researchers have found that the ocean floor around Bering Strait still seems to be capturing billions of bits of carbon that might otherwise lead to an even warmer planet.

Read More >>



November 6, 2020

Goodbye to a raffish glacier scientist

Will Harrison, who knew the world’s bumpy plains of ice as well as his old neighborhood in Saint John, New Brunswick, has died. He was 84. From his arrival at the Geophysical Institute at the University of Alaska Fairbanks in January 1972, the Canada-born Harrison mapped out and executed studies of glaciers from Antarctica to Greenland. He and his charges measured and reported great changes before they became obvious.

Read More >>