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A study by Brown researchers finds that changes in tectonic plate thickness across the Denali Fault in Alaska impacts where it is located, shedding light on how major faults and earthquakes occur.
When an 8.2-magnitude earthquake struck off the coast of Chignik, Alaska, on July 29, geophysicist Geoffrey Abers did the logical – if not simple – thing.
He raced to Alaska with a group of collabora...
Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome（图）
Eruption Alaska Okmok volcano linked period extreme cold ancient Rome
2020/7/10
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located o...
Eruption of Alaska's Okmok volcano linked to period of extreme cold in ancient Rome（图）
Eruption Alaska Okmok volcano linked period extreme cold ancient Rome
2020/7/3
An international team of scientists has found evidence connecting an unexplained period of extreme cold in ancient Rome with an unlikely source: a massive eruption of Alaska's Okmok volcano, located o...
Thawing permafrost affects Alaska's land-to-ocean river flows（图）
Thawing permafrost Alaska land-to-ocean river flows
2020/1/21
A new analysis of the hydrologic cycle across the North Slope of Alaska reveals significant increases in subsurface runoff and cold season discharge -- changes scientists say reflect thawing permafros...
Study of northern Alaska could rewrite Arctic history（图）
northern Alaska Arctic history mineral wealth economic development
2019/10/30
Parts of Alaska's mountainous Brooks Range were likely transported there from Greenland and a stretch of the Canadian Arctic much farther to the east, according to a series of studies detailing more t...
From Alaska To Amazonia:First Global Maps Of Traits That Drive Vegetation Growth（图）
Alaska Amazonia:First Global Maps Drive Vegetation Growth
2017/12/19
Based on measurements of 45,000 individual plants from 3,680 species, and using high-tech statistical mapping protocols, the team created global maps of plant traits including leaf nitrogen concentrat...
Earth Scope's Transportable Array now spans Alaska,the last frontier（图）
Earth Scope Transportable Array spans Alaska last frontier
2017/10/25
Seismic station A19K, it’s called, and it’s now at the edge of an abandoned airstrip far above the Arctic Circle. The nearest population center is 127 miles northeast in Utqiaġvik (formerly known...
Slow Earthquakes Occur Continuously in the Alaska-Aleutian Subduction Zone
Earthquakes Occur Continuously Alaska-Aleutian Subduction Zone
2017/7/24
Seismologists at the University of California, Riverside studying earthquakes in the seismically and volcanically active Alaska-Aleutian subduction zone have found that “slow earthquakes” are occurrin...
NSF announces new Long-Term Ecological Research sites off Alaska,New England coasts
NSF new Long-Term Ecological Research sites off Alaska New England coasts
2017/3/14
National Science Foundation (NSF) grants will support two new Long-Term Ecological Research (LTER) sites. Scientists will conduct research along the Northeast U.S. continental shelf and in the norther...
Expedition to the Aleutian Islands:Geoscientists head to remote Alaska volcanoes
the Aleutian Islands Geoscientists head Alaska volcanoes
2015/8/13
This is the 11th part in a series on NSF's geosciences risk and resilience interest area. Please see parts one, two, three,four, five, six, seven, eight, nine...
On the Movement of Beluga Whales in Cook Inlet,Alaska:Simulations of Tidal and Environmental Impacts Using a Hydrodynamic Inundation Model
Beluga Whales Cook Inlet Alaska Tidal and Environmental Hydrodynamic Inundation Model
2015/7/22
The population of beluga whales in Cook Inlet, Alaska, is in decline, and since 2000 these whales have been under consideration for designation as "endangered" under the Endangered Species Act (and we...
A Child's View of Circulation in Prince William Sound, Alaska?
Prince William Sound Circulation
2015/7/20
An oceanographic field exercise was conducted in central Prince William Sound, Alaska, in mid summer 2004 to evaluate the capability of the Prince William Sound Observing System to forecast the trajec...
Biological Control of the Ambermarked Birch Leafminer (Profenusa thomsoni) in Alaska
Biological Control Ambermarked Birch Leafminer in Alaska
2015/1/24
The ambermarked birch leafminer (AMBLM) (Profenusa thomsoni) is an invasive leafminer native to the Palearctic from the United Kingdom to Turkey to Japan. It was introduced to the eastern United State...
Alaska mountain glaciers retreating due to climate change
climate mountain glaciers retreating
2014/10/9
Welcome to the Ruth Glacier, deep inside Alaska's Denali National Park. Many of the visitors are here for backcountry skiing, but this is no vacation for University of Maine paleoclimatologist Karl Kr...