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July 13, 2021
The peak of summer warmth is near
By Ned Rozell You may not notice it as you scooped fish out of the Copper River or rode your bike through the tawny light of 10 p.m., but Alaska is about to make a left turn toward winter. Much of the state will soon reach the average yearly date when the air won’t get any warmer. In Fairbanks, on July 19 the average daily temperature based on about a …
July 1, 2021
The muskox’s odyssey: From Greenland to Alaska
By Ned Rozell Leaving cloven hoof prints from the Yukon-Kuskokwim Delta to the Arctic National Wildlife Refuge, more than 3,500 muskoxen live in Alaska. All of those shaggy, curly-horned beasts came from one group of muskoxen that survived a most remarkable journey in the 1930s. In 1900, no muskoxen existed in Alaska. Though the stocky, weatherproof creatures have survived in the Arctic since the last ice age, the last reports …
May 28, 2021
Bringing the world to a standstill
By Ned Rozell On a fine June day about 100 years ago, in a green mountain valley where the Aleutians stick to the rest of Alaska, the world fell apart. Earthquakes swayed the alders and spruce. A mountain shook, groaned, and collapsed in on itself, its former summit swallowing rock and dust until it became a giant, steaming pit. About six miles away, hot ash began spewing from the ground …
May 4, 2021
Interesting sedimentary basin structures in fold-thrust belt outcrop patterns
By Philip S. Prince Fold-thrust belts developed in sedimentary rock sequences produce interesting and complex patterns on Earth’s surface. These patterns become even more complex and intriguing when the folded and faulted sedimentary layer sequence contains internal structures that pre-date thrust belt development. A particularly outstanding example of this effect is the Talar Syncline of the Makran fold-thrust belt, in which an extensional growth fault depocenter has been folded, uplifted, …
April 30, 2021
The secret life of an Alaska fish
By Ned Rozell In Alaska’s infinite waters swims a handsome, silvery fish. Until recently, we knew little about the Bering cisco, which exists only around Alaska and Siberia. Then a scientist combined his unique life experiences with modern tools to help color in the fish’s life history. Randy Brown is a fisheries biologist with the U.S. Fish and Wildlife Service in Fairbanks. Many years before he started that career, he …
April 6, 2021
White-winged crossbills and yellow snow
By Ned Rozell While out on a springtime snow trail, I recently saw a dozen white-winged crossbills pecking at snow on the side of the trail. When I reached the spot, I saw a yellow stain from where a team of dogs had paused. Last spring, I saw a bunch of crossbills gathered near an outhouse. They were congregated at a communal pee spot in the snow. The birds were …
September 21, 2018
Kerala Floods – Rescue and Rehabilitation using Information Technology and Social Media
The south Indian state of Kerala used a new model of rescue and rehabilitation during worst floods of the century.
March 22, 2018
An afternoon above the clouds
Yesterday we took a trip to Mt. Teide, Tenerife’s highest point and an active volcano. Teide’s peak is about 3,700 meters (12,000 feet) above sea level. While not very tall by mountain standards, from the base of the seafloor to the tip of its peak, Teide is 7,500 meters (24,600 feet) tall, making it the third tallest volcano in the world (Mauna Kea is the tallest).
March 19, 2018
Considering climate from the Canary Islands
I have the pleasure of attending an AGU Chapman Conference this week in Puerto de la Cruz, a small town on the island of Tenerife in the Canary Islands. The Canaries are a small group of volcanic islands just off the coast of Morocco governed by Spain. They’re essentially the Atlantic Ocean’s version of Hawaii.
September 8, 2017
Update #5: Hurricane Irma strengthening, watch some cool visuals
As Hurricane Irma barrels through the Caribbean and towards the mainland U.S.A., AGU wants to keep you updated with what scientists are talking about now. Check back for updates on science happening now from Eos staff writer JoAnna Wendel and science writer Larry O’Hanlon.
