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Data

The Alaska Science Center Data Repository, a USGS Trusted Digital Repository, provides public access to the digital data from our research. See below for featured data sets and a list of all data releases from the USGS Alaska Science Center. All USGS released data sets are also listed in the USGS Science Data Catalog.

Filter Total Items: 450

Point Measurements of Surface Mass Balance, Eklutna Glacier, Alaska, 2008-2015

This data set consists of a time-series of direct measurements of glacier surface mass balance, at Eklutna Glacier, Alaska. It includes seasonal measurements of winter snow accumulation and summer snow and ice ablation.

Maps of the Russian Far East

Two geographic maps showing the Russian Far East. Small scaled illustrations showing Russian Far East and relative position to Alaska.

Avian Point Count, Habitat, and Covariate Data for Subarctic Bird Abundance, Seward Peninsula, Alaska, 2012-2014

This data package contains three tables: avian counts by species, habitat type, a covariate information used for analysis of bird surveys conducted between 2012 and 2014 on the Seward Peninsula, Alaska, as part of the USGS Changing Arctic Ecosystems Initiative. We conducted 1,208 point counts on 12 study blocks from 2012-2014 in northwestern Alaska, using repeated surveys to account for imperfect

Fatty acid signature data of potential yellow-billed loon prey in the Arctic coastal plain of Alaska, 2009-2011

This dataset contains fatty acid data expressed as mass percent of total fatty acids for several species potentially preyed upon by yellow-billed loons. These data were utilized in a quantitative fatty acid signature analysis to estimate the diet of yellow-billed loons nesting on the Arctic Coastal Plain of Alaska (Haynes et al. 2015).

Summer Activity Sensor Data from Collars Deployed on Female Polar Bears in the Chukchi Sea 1989 to 1995 and Southern Beaufort Sea 1989 to 2014

These are data collected from two types of activity sensors housed within collars deployed on female polar bears in the Chukchi and southern Beaufort Seas during the months of July through October between 1989 and 2014. Mercury tip-switches were deployed 1989 to 2009 and accelerometers were deployed 2009-2014. Activity sensor readings were related to habitats used by polar bears as described in th

Harlequin duck capture and EROD activity data from Prince William Sound, Alaska, 2011, 2013, 2014

This data set includes capture information and ethoxyresorufin-O-deethylase (EROD) activity results for harlequin ducks sampled during March 2011, 2013, and 2014 in western Prince William Sound, Alaska.

Fish Creek Watershed Lake Classification; NPRA, Alaska, 2016

This study focuses on the development of a 20 attribute lake cover classification scheme for the Fish Creek Watershed (FCW), which is located in the National Petroleum Reserve-Alaska (NPR-A). The GIS dataset consists of 4,362 lakes (which were extracted from a 5m resolution IfSAR/orthophoto image) covering 18% of the 4,900 km2 FCW and provides information on lake morphometry, hydrologic connectivi

Migratory Bird Avian Influenza Sampling; Yukon Kuskokwim Delta, Alaska, 2015

Data set containing avian influenza sampling information for spring and summer waterbirds on the Yukon Kuskokwim Delta, 2015. Data contains sample ID, species common name, age and sex, collection data and location, and laboratory specific data used to identify presence and absence of avian influenza viruses.

Morphology and Disease Information from Waterfowl, Interior Alaska, 2010

This data set includes data from three waterfowl species (northern pintail, American wdgeon, lesser scaup, green-winged teal and mallard) that were captured in Interior Alaska in 2010, then measured and sampled for blood parasite and avian influenza infections.

ArcGIS Mapping Service for Pacific Walrus Coastal Haulouts

ArcGIS web mapping service created for the Pacific walrus coastal haulout database for NOAA's use. We summarize available information on Pacific walrus haulouts from available reports, interviews with coastal residents and aviators, and personal observations of the authors. We provide this in the form of a georeferenced database that may be queried and displayed with standard geographic informatio

Pacific Walrus Coastal Haulout Database 1852-2016

We summarize Pacific walrus coastal haulout locations reported in published papers, reports, and personal communications from 1893 through 2014. We report haulout locations based on available reports, as well as the authors? personal knowledge of specific haulout locations and publicly available geo-referenced imagery (Digital Globe, Longmont, Colorado, USA) viewed through a virtual digital globe

Larus Gull Microsatellite DNA Data, 2006-2009

This data set describes nuclear microsatellite genotypes derived from eleven autosomal loci (Hg16, Hg18, Hg25, K16, Lar12, Lar19, Lar24, Lar26, Rbg13, Rbg18, and Rbg29). A total of 651 Larus gulls were examined for this study with samples collected throughout North America, Europe, Russia, and South America.