These raster datasets are output from the Geophysical Institute Permafrost Lab (GIPL) model and represent simulated active layer thickness (ALT) in meters averaged across a decade for the years 1980-2099.

These data were generated by driving the GIPL model with a composite of five GCM model out...

Digitized from the Geologic Map of the Chugach National Forest, AK prepared by Steven W Nelson, JA Dumoulin, & Marti L Miller, 1985.

Data available from the United States Department of Agriculture Forest Service.

The Alaska Geochemical Database (AGDB) was created and designed to compile and integrate geochemical data from Alaska in order to facilitate geologic mapping, petrologic studies, mineral resource assessments, definition of geochemical baseline values and statistics, environmental impact assessmen...

Geologic field records are critical to the USGS mission because they provide the framework on which our modern geologic mapping is based. This project is designed to collect, inventory, preserve, and make available the records of USGS mapping and minerals-related research in Alaska. Materials are...

This project is designed to assist Alaskan Geology research projects by building digital geoscience data sets for analysis, distribution, and publication. Geographic Information Systems (GIS) technology is a valuable asset for storing, analyzing, and displaying various types of data in a geograph...

The “Alaska Data Integration Working Group” (ADIwg) was formed to examine and address the technical barriers to efficiently integrate and share data within and among participating organizations.

The ADIwg evolved from, and supports the common interests of, the North Slope Science Initiative Ov...

This project is tasked with building and maintaining a database of mines, prospects and mineral occurrences for Alaska. Brief descriptions of all known prospects will eventually be included in the database which is available online (http://ardf.wr.usgs.gov/). This project has used local experts...

USGS and other Alaska Volcano Observatory (AVO) scientists conduct geologic, geochemical, and geophysical studies of selected Alaska volcanoes to complete modern geologic maps, volcano hazard analyses, and pursue fundamental research on volcanic processes and impacts. In addition, AVO monitors v...

Data on minerals and mineral products are critical to promote informed decisions by policy-makers, industry leaders, government regulators, elected representatives, and the general public when formulating public policy for land stewardship, sustainable use, environmental impact, public health, an...

This project is working to maintain and improve earthquake monitoring in Alaska, with a focus on urban areas, critical facilities, and relatively likely sources of earthquakes of scientific and engineering significance. Data collected consist of earthquake ground motion time histories and inform...

At the Permafrost Laboratory, data related to the thermal and structural state of circumpolar permafrost is collected and analyzed. The focus of our research is the development of methods to physically and mathematically model permafrost interactions with the climate system (permafrost modeling),...

Permafrost was recently listed as a terrestrial Essential Climate Variable and several potential mechanisms of change can be quantified with remote sensing time series. We plan to focus on three aspects: 1) erosion of permafrost dominated coastlines, 2) expansion of thermokarst lakes, and 3) sur...

Dissolved organic carbon (DOC) plays a fundamental role in the biogeochemistry of glacier ecosystems. However, the specific sources of glacier DOC remain unresolved. To assess the origin and nature of glacier DOC, we collected snow from 10 locations along a transect across the Juneau Icefield, Al...

Polar ice sheets and mountain glaciers, which cover roughly 11% of the Earth's land surface, store organic carbon from local and distant sources and then release it to downstream environments. Climate-driven changes to glacier runoff are expected to be larger than climate impacts on other compone...

The Polar Cyberinfrastructure Program at the National Science Foundation has the potential to transform polar research by facilitating the transmission and integration of data and knowledge across the polar science and polar cyberinfrastructure (ci) communities. Community input is essential ...

This community-based Permafrost/Active Layer Monitoring (PALM) Program is greatly successful from both educational and scientific viewpoints. The Permafrost/Active Layer Monitoring Program is an ongoing project that builds on work begun in 2005 to establish long-term permafrost and active layer m...

Web-enabled slider to show change detection on the Kenai Peninsula of areas that have been developed using aerial photography from the 1950s and 2013.

We-enabled change detection slider of Skilak glacier using aerial photography from 1952 and 2013.

Map images were made by Alaska EPSCoR to support NSSI for their report: NSSI Scenarios Reports: Prioritizing Science Needs Through Participatory Scenarios for Energy and Resource Development on the North Slope and Adjacent Seas, which can be found at the link below.

Bacterial biofilms are highly resistant to common antibacterial treatments, and several physiological explanations have been offered to explain the recalcitrant nature of bacterial biofilms. Herein, a biophysical aspect of biofilm recalcitrance is being reported on. While engineering structures a...

USGS measures mass change, climate and streamflow at two Alaskan Glaciers - Gulkana Glacier in the continental climate of the Alaska Range and Wolverine Glacier in the maritime climate of the Kenai Mountains - striving to refine the relationship between changing climate and glacier response.

The Alaska Mapping Initiative is a U.S. Geological Survey program to support and improve maps and digital map data for Alaska, bringing Alaska topographic map and digital map data quality in line with the conterminous United States.

The goal of the Alaska Mapping Initiative (AMI) is to acqu...

The Prince William Sound and Kenai Peninsula region includes a significant part of one of the world's largest accretionary complexes and a small part of the classic magmatic arc geology of the Alaska Peninsula. Physiographically, the map area ranges from the high glaciated mountains of the Alaska...

Incorporating K-12 students in scientific research processes and opportunities in their communities is a great way to bridge the gap between research and education and to start building science research capacity at an early age. One goal of the Experimental Program to Stimulate Competitive Resear...

Increasing temperatures are projected to have a positive effect on the length of Alaska's tourism season, but the natural attractions that tourism relies on, such as glaciers, wildlife, fish, or other natural resources, may change. In order to continue to derive benefits from these resources, nat...

Hyperspectral imagery acquired using Hyspex VNIR-1800 and SWIR-384 camera systems have provided unique information on terrestrial and aquatic biogeochemical parameters, and diagnostic mineral properties in exposed outcrops in selected sites in the state of Alaska. The Hyspex system was configured...

Despite hunter access influencing harvest success, few studies have quantified characteristics of hunter access. Based on spatially explicit interview data, we used geographic information system (GIS) analyses to calculate access pathways and distances that rural hunters traveled to moose (Alces ...

Traditional geospatial education tools such as maps and computer screens don't convey the rich topography present on Earth. Translating lines on a contour lines on a topo map to relief in a landscape can be a challenging concept to convey.A partnership between Alaska EPSCoR and the Geographic Inf...

In this research a time series of Landsat imagery was processed to retrieve surface reflectance, surface temperature, surface emissivity and a vegetation index (NDVI) from 1984 to 2011 in support of the Northern, Southcentral and Southeast Test Cases and integrated SES studies.

To cover the s...

Imagery provided by the Geographic Information Network of Alaska's (GINA) web mapping service were used to delineate shorelines from 1955, 1982, and 2010. 1955 orthoimagery collected by the USGS and provided by GINA as a web mapping service (ogc.gina.alaska.edu) was used to delineate the 1955 sho...