Unified Interior Regions

Region 11: Alaska

Alaska Science Center

Alaska Science Center

4210 University Drive
Anchorage, AK 99508
Phone: (907) 786-7000

View Center Website

Volcano Science Center

Volcano Science Center

4230 University Drive
Anchorage, AK 99508
Phone: (907) 786-7497

View Center Website

Climate Adaptation Science Center

Climate Adaptation Science Center

4230 University Drive
Anchorage, AK 99508
Phone: 907-301-7830

View Center Website

Regions L2 Landing Page Tabs

Filter Total Items: 2,418
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Year Published: 2012

Process-based coastal erosion modeling for Drew Point (North Slope, Alaska)

A predictive, coastal erosion/shoreline change model has been developed for a small coastal segment near Drew Point, Beaufort Sea, Alaska. This coastal setting has experienced a dramatic increase in erosion since the early 2000’s. The bluffs at this site are 3-4 m tall and consist of ice-wedge bounded blocks of fine-grained sediments cemented by...

Ravens, Thomas M.; Jones, Benjamin M.; Zhang, Jinlin; Arp, Christopher D.; Schmutz, Joel A.
Process-based coastal erosion modeling for Drew Point (North Slope, Alaska); 2012; Article; Journal; Journal of Waterway, Port, Coastal, and Ocean Engineering; Ravens, Thomas M.; Jones, Benjamin M.; Zhang, Jinlin; Arp, Christopher D.; Schmutz, Joel A.

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Year Published: 2012

Colonizing the world in spite of reduced MHC variation

Reduced immune gene diversity is thought to negatively affect the capacity of organisms to adapt to pathogen challenges, which represent a major force in natural selection. Genes of the Major Histocompatibility Complex (MHC) are the most widely invoked adaptive loci in conservation biology, and have become the most popular genetic markers to...

Gangoso, L.; Alcaide, M.; Grande, J.M.; Muñoz, J.; Talbot, Sandra L.; Sonsthagen, Sarah A.; Sage, G. Kevin; Figuerola, J.
Gangoso, L., M. Alcaide, J. M. Grande, J. Muñoz, S. L. Talbot, S. A. Sonsthagen, G. K. Sage, and J. Figuerola. 2012. Colonizing the world in spite of reduced MHC variation. Journal of Environmental Biology 25(7):1438-1447. doi:10.1111/j.1420-9101.2012.02529.x

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Year Published: 2012

Polymorphic microsatellite loci identified through development and cross-species amplification within shorebirds

We developed microsatellite loci for demographic assessments of shorebirds, a group with limited markers. First, we isolated five dinucleotide repeat microsatellite loci from the Black Oystercatcher (Haematopodidae: Haematopus bachmani), and three from the Bristle-thighed Curlew (Scolopacidae: Numenius tahitiensis); both species are of...

Williams, I.; Guzzetti, Brian M.; Gust, Judy R.; Sage, G. Kevin; Gill, Robert E.; Tibbitts, T. Lee; Sonsthagen, Sarah A.; Talbot, Sandra L.
Polymorphic microsatellite loci identified through development and cross-species amplification within shorebirds; 2012; Article; Journal; Journal of Ornithology; Williams, I.; Guzzetti, B. M.; Gust, J. R.; Sage, G. K.; Gill, R. E.; Tibbitts, T. L.; Sonsthagen, S. A.; Talbot, S. L.

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Year Published: 2012

Scaling the Teflon Peaks: Rock type and the generation of extreme relief in the glaciated western Alaska Range

Parts of the Alaska Range (Alaska, USA) stand in prominent exception to the “glacial buzzsaw hypothesis,” which postulates that terrain raised above the ELA is rapidly denuded by glaciers. In this paper, we discuss the role of a strong contrast in rock type in the development of this exceptional terrain. Much of the range is developed on...

Ward, Dylan J.; Anderson, Robert S.; Haeussler, Peter J.

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Year Published: 2012

Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska

The balance of thermokarst lakes with bedfast- and floating-ice regimes across Arctic lowlands regulates heat storage, permafrost thaw, winter-water supply, and over-wintering aquatic habitat. Using a time-series of late-winter synthetic aperture radar (SAR) imagery to distinguish lake ice regimes in two regions of the Arctic Coastal Plain of...

Arp, Christopher D.; Jones, Benjamin M.; Lu, Zong; Whitman, Matthew S.
Shifting balance of thermokarst lake ice regimes across the Arctic Coastal Plain of northern Alaska; 2012; Article; Journal; Geophysical Research Letters; Arp, Christopher D.; Jones, Benjamin M.; Lu, Zong; Whitman, Matthew S.

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Year Published: 2012

Reconstruction of past methane availability in an Arctic Alaska wetland indicates climate influenced methane release during the past ~12,000 years

Atmospheric contributions of methane from Arctic wetlands during the Holocene are dynamic and linked to climate oscillations. However, long-term records linking climate variability to methane availability in Arctic wetlands are lacking. We present a multi-proxy ~12,000 year paleoecological reconstruction of intermittent methane availability from a...

Wooller, Matthew J.; Pohlman, John W.; Gaglioti, Benjamin V.; Langdon, Peter; Jones, Miriam; Anthony, Katey M. Walter; Becker, Kevin W.; Hinrichs, Kai-Uwe; Elvert, Marcus
Reconstruction of past methane availability in an Arctic Alaska wetland indicates climate influenced methane release during the past ~12,000 years; 2012; Article; Journal; Journal of Paleolimnology; Wooller, Matthew J.; Pohlman, John W.; Gaglioti, Benjamin V.; Langdon, Peter; Jones, Miriam; Anthony, Katey M. Walter; Becker, Kevin W.; Hinrichs, Kai-Uwe; Elvert, Marcus

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Year Published: 2012

Evidence for competition at sea between Norton Sound chum salmon and Asian hatchery chum salmon

Increasing production of hatchery salmon over the past four decades has led to concerns about possible density-dependent effects on wild Pacific salmon populations in the North Pacific Ocean. The concern arises because salmon from distant regions overlap in the ocean, and wild salmon populations having low productivity may compete for food with...

Ruggerone, Gregory T.; Agler, B.A.; Nielsen, Jennifer L.
Ruggerone, G. T., B.A. Angler, and J. L. Nielsen,2012. Evidence for competition at sea between Norton Sound chum salmon and Asian hatchery chum salmon. Environmental Biology of Fishes 94(1): 149-163. 10.1007/s10641-011-9856-5

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Year Published: 2012

Studying ocean acidification in the Arctic Ocean

The U.S. Geological Survey (USGS) partnership with the U.S. Coast Guard Ice Breaker Healey and its United Nations Convention Law of the Sea (UNCLOS) cruises has produced new synoptic data from samples collected in the Arctic Ocean and insights into the patterns and extent of ocean acidification. This framework of foundational geochemical...

Robbins, Lisa
Studying ocean acidification in the Arctic Ocean; 2012; FS; 2012-3058; Robbins, Lisa

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Year Published: 2012

Estimating survival rates with time series of standing age‐structure data

It has long been recognized that age‐structure data contain useful information for assessing the status and dynamics of wildlife populations. For example, age‐specific survival rates can be estimated with just a single sample from the age distribution of a stable, stationary population. For a population that is not stable, age‐specific survival...

Udevitz, Mark S.; Gogan, Peter J.
Udevitz, M. S. and P. J. P. Gogan. 2012. Estimating survival rates with time series of standing age-structure data. Ecology 93(4):726-732. doi:10.1890/11-1766.1

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Year Published: 2012

Identification of metapopulation dynamics among Northern Goshawks of the Alexander Archipelago, Alaska, and Coastal British Columbia

Northern Goshawks occupying the Alexander Archipelago, Alaska, and coastal British Columbia nest primarily in old-growth and mature forest, which results in spatial heterogeneity in the distribution of individuals across the landscape. We used microsatellite and mitochondrial data to infer genetic structure, gene flow, and fluctuations in...

Sonsthagen, Sarah A.; McClaren, Erica L.; Doyle, Frank I.; Titus, K.; Sage, George K.; Wilson, Robert E.; Gust, Judy R.; Talbot, Sandra L.
Sonsthagen, S. A., E. L. McClaren, F. I. Doyle, K. Titus, G. K. Sage, R. E. Wilson, J. R. Gust, and S. L. Talbot. 2012. Identification of metapopulation dynamics in Northern Goshawk of the Alexander Archipelago and coastal British Columbia. Conservation Genetics 13(4):1045-1057. doi:10.1007/s10592-012-0352-z

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Year Published: 2012

Surface Mass Balance of the Columbia Glacier, Alaska, 1978 and 2010 Balance Years

Although Columbia Glacier is one of the largest sources of glacier mass loss in Alaska, surface mass balance measurements are sparse, with only a single data set available from 1978. The dearth of surface mass-balance data prohibits partitioning of the total mass losses between dynamics and surface forcing; however, the accurate inclusion of...

O'Neel, Shad
Surface Mass Balance of the Columbia Glacier, Alaska, 1978 and 2010 Balance Years; 2012; DS; 676; O'Neel, Shad

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Year Published: 2012

Oceanographic gradients and seabird prey community dynamics in glacial fjords

Glacial fjord habitats are undergoing rapid change as a result of contemporary global warming, yet little is known about how glaciers influence marine ecosystems. These ecosystems provide important feeding, breeding and rearing grounds for a wide variety of marine organisms, including seabirds of management concern. To characterize ocean...

Arimitsu, Mayumi L.; Piatt, John F.; Madison, Erica N.; Conaway, Jeffrey S.; Hillgruber, N.
Arimitsu, M. L., J. F. Piatt, E. N. Madison, J. S. Conaway, and N. Hillgruber. 2012. Oceanographic gradients and seabird prey community dynamics in glacial fjords. Fisheries Oceanography 21(2-3):148-169. doi:10.1111/j.1365-2419.2012.00616.x

Browse a selection of videos, audio clips, images, and more from a wide range of science topics covered by USGS!

"Science for a Changing World" - watch the short film here!

Documentary on walruses here!

Watch the first-ever footage of a polar bear on Arctic sea ice!

Join USGS geologists as they collect lava samples from Kilauea Volcano.

Watch researchers in the Arctic!

Filter Total Items: 972
A polar bear den
April 3, 2000

A polar bear den

A polar bear den

Image: Valley of Ten Thousand Smokes, Alaska
June 9, 1991

Valley of Ten Thousand Smokes, Alaska

View southeast from Overlook Cabin looking over the Valley of Ten Thousand Smokes. The pyroclastic and ash deposits that fill the valley remain nearly vegetation-free more than 100 years after the 1912 Novarupta-Katmai eruption.

Tule white-fronted goose in the Kahiltna Valley, Alaska, in 1984
December 31, 1984

Tule white-fronted goose in the Kahiltna Valley, Alaska, in 1984

Tule white-fronted goose in the Kahiltna Valley, Alaska, in 1984.

Remnants of a spruce forest
December 31, 1969

Remnants of a spruce forest

Remnants of a spruce forest complex following a severe wildfire in the Yukon Flats National Wildlife Refuge, Alaska. Wildfires are the dominant landscape-scale disturbance operating at annual time scales in Alaska, and fires play a major role in the rate and extent of vegetation growth and productivity of a site. Wildland fires typically result in the reduction of

...
Erosion along Alaska’s Arctic coastline near the village of Kaktovik
December 31, 1969

Erosion along Alaska’s Arctic coastline near the village of Kaktovik

Neal Pastick – lead author of the study – investigating erosion along Alaska’s Arctic coastline near the village of Kaktovik. Permafrost-dominated coasts of Alaska have drastically changed as the result of coastal transgression and storm-surge flooding which can result in the loss of cultural sites and damage to infrastructure.  Photo by M. Torre Jorgenson

Fourhorn sculpin captured near Kaktovik, Alaska
December 31, 1969

Fourhorn sculpin captured near Kaktovik, Alaska

Fourhorn sculpin (Myoxocephalus quadricornis) captured near Kaktovik, Alaska

Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska
December 31, 1969

Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska

Fourhorn sculpin on a measuring board captured near Kaktovik, Alaska.

Fyke net set in Kaktovik Lagoon with the town of Kaktovik, Alaska in the background
December 31, 1969

Fyke net set in Kaktovik Lagoon with Kaktovik, AK in the background

Fyke net set in Kaktovik Lagoon with the town of Kaktovik, Alaska in the background

A small yellow bird being held in a hand
December 31, 1969

Yellow Warbler in Alaska

Scientist holding an Yellow Warbler on the Seward Peninsula, Alaska.  This photo is part of the Changing Arctic Ecosystems Boreal-Arctic Transition program.

Young of year Arctic cisco
December 31, 1969

Young of year Arctic cisco

Young of year Arctic cisco (Coregonus autumnalis).

Pink salmon captured near Kaktovik, Alaska
December 31, 1969

Pink salmon captured near Kaktovik, Alaska

Pink salmon captured near Kaktovik, Alaska

Biologist adjusts a fish wheel trap on the Yukon River
December 31, 1969

Randy Brown adjusts a fish wheel trap on the Yukon River

Randy Brown adjusts a fish wheel trap on the Yukon River that will catch Chinook salmon.

Stay up-to-date with what is happening in the Alaska Region by checking out our different social media accounts. You can also contact Alaska Regional Office staff or Center Directors for more information.