Columbia Glacier Retreating - Geophysical Institute
网页2024年9月12日 · Columbia Glacier, located about 40 kilometers (25 miles) west of Valdez near the epicenter of the great 1964 earthquake, is rapidly losing its battle for survival. It is the last of Alaska's 52 tidewater glaciers to begin its epic retreat from the sea. Granted, Alaska still has plenty of glaciers left, but the tidewater glaciers--those that ...
The Columbia Glacier - Geophysical Institute
网页The Columbia Glacier. The Columbia Glacier is one of Alaska's better known tidewater glaciers, both from the standpoint of tourist attraction and the model it provides for scientific investigation. In 1973 it became the object of close scientific scrutiny. In Alaska, some 50 to 60 glaciers calve into the sea, but exhibit such diversified ...
The majesty and mystery of Alaska yellow cedar
网页2021年7月23日 · These trees, which can live longer than 1,000 years, grow on the rainy coast from the Oregon/California border through British Columbia and as far north as Prince William Sound. The giants have in many areas died in large numbers, puzzling scientists who later came up with a non-intuitive theory of what killed them.
Alaska Glaciers Show Dramatic Melting | Geophysical Institute
网页2001年12月12日 · Columbia Glacier in Prince William Sound and Bering Glacier in the St. Elias Mountains are two glaciers losing ice at an alarming rate: during the past decade, Columbia has shrunk by an average of about 21 feet per year along the length of the glacier; Bering has lost more than 9 feet per year.
The Shuttle Red Aurora - Geophysical Institute
网页1981年4月12日 · The Shuttle Red Aurora. By glowing red on Sunday night, April 12, 1981, the heavens over the United States displayed their pleasure with the successful flight of the shuttle Columbia. Perhaps because Columbia was up that night, more Americans than usual looked up at the sky and saw the red aurora that covered much of the nation, even as far ...
Big change on a big landscape | Geophysical Institute
网页2021年4月8日 · Big change on a big landscape. April 08, 2021 / Ned Rozell. The Alsek, a world-class rafting river that flows into the Gulf of Alaska from its headwaters in Canada, may soon abandon the lower part of its drainage for a steeper one 15 miles away. The Alsek River starts in the Yukon Territory, flows through British Columbia and then on to Dry Bay ...
The Unknown Legacy of Alaska's Atomic Tests
网页The big daddy came in 1971. Project Cannikin was a 5-megaton explosion that inspired the formation of the group Greenpeace, a group of environmentalists from British Columbia who joined together to oppose the test. But Greenpeace and many others-including Alaska senator Mike Gravel and Congressman Nick Begich-were not able to prevent Cannikin.
The Alaska-Siberia Telegraph | Geophysical Institute
网页2024年9月12日 · Collins envisioned an intercontinental telegraph link from California, north through British Columbia, across Russian America to Siberia, via the Bering Strait, and across Siberia to Europe. Realizing the critical need for intercontinental communications-- and knowing of the repeated failures of Cyrus Field's attempts to lay the Atlantic cable ...
The Alaska-Canada Boundary | Geophysical Institute
网页The Alaska-Canada Boundary. May 18, 1978 / Fran Pedersen. The Alaska-Canada boundary was originally established in February 1825 by Russia (then owner of Alaska) and Great Britain (then owner of Canada). The demarcation between Alaska and Canada was to begin at 54°40' N latitude, just north of the mouth of the Portland Canal (near Prince ...
A guide to the Alaska that was (is) | Geophysical Institute
网页2024年9月12日 · The road then ended a few hundred miles short of Alaska, in Hazelton, British Columbia. A historical novelist and fiction writer, Colby filled 500 pages of A Guide to Alaska with his descriptions of the territory and the 60,000 people that lived in it.