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Displaying all 18 entries

Carbon Chemistry and Microbiology of Permafrost Soils

US Geological Survey (USGS) - Characterizes the carbon chemistry, microbial communities, and their function in surface and permafrost soils from throughout interior Alaska. This project is in close collaboration with Jennifer Harden's Fate of Carbon in Alaskan Landscapes (FOCAL) work to understand the interaction between climate, disturbance, vegetation, and carbon storage on the landscape.
Complete
2004-12-31
2010-09-29
2018-08-09 15:06:11 -0800
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Project Full Record

Arctic Change

National Oceanic and Atmospheric Administration (NOAA) - The objective of this website is to present recent indicators that describe the present state of the Arctic climate and ecosystem in an accessible, understandable, and credible historical context. A summary of changes are listed in the Table of Indicators. The Arctic is a vast, ice-covered ocean that is surrounded by tree-less, frozen land, which is often covered with snow and ice. The...
Complete
1970-01-01
2018-08-09 15:08:35 -0800
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Data Full Record

Geophysical Investigations of Infrastructure Sites within the National Petroleum Reserve - Alaska (NPRA)

US Geological Survey (USGS) - Study the geophysical response of infrastructure sites within the National Petroleum Reserve - Alaska (NPRA) that are threatened by erosion. The primary goal is to improve imaging of the subsurface by utilizing a portable broadband EM induction system to determine volumes of materials, resulting in the development of new procedures for data collection, processing, and inversion of the EM data. ...
Complete
2005-09-30
2008-09-29
2018-08-09 15:04:51 -0800
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Project Full Record

Arctic Transportation Networks (ATN) Tundra Travel Technology Development

Alaska Department of Natural Resources (ADNR) - The ATN project is working in coordination with ADNR to help provide new tools and technology solutions to help Tundra-Travel Management on Alaska State Lands on the North Slope. High costs of field logistics and working in the Arctic place a high value on time saved in field logistics. Please review the below information about ongoing technology development programs. ATN Project GINA Staff are...
Complete
2018-08-09 15:06:05 -0800
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Project Full Record

Yukon River Project

US Geological Survey (USGS) - The U.S. Geological Survey conducted a five-year water quality study of a 3000 km reach of the Yukon River and its major tributaries from its headwaters in the Yukon Territory, Canada to Pilot Station, Alaska near its mouth and just above tidal influence. The objectives of the study are: 1) Establish a baseline describing the general water quality of the Yukon River and its major tributaries as...
Complete
2000-01-01
2015-12-31
2018-08-09 15:07:44 -0800
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Project Full Record

Near Surface Permafrost Dynamics as an Essential Climate Variable

US Geological Survey (USGS) - 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) surface terrain stability and impacts of disturbance. The primary objective is the quantification of...
Complete
2010-01-01
2016-12-31
2018-08-09 15:08:02 -0800
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Project Full Record

Mapping Permafrost and Gas Hydrate using Marine Controlled Source Electromagnetic Methods (CSEM)

US Department of Energy (DOE) - The objective of this project is to develop and test a towed electromagnetic source and receiver system suitable for deployment from small coastal vessels to map near-surface electrical structure in shallow water. The system will be used to collect permafrost data in the shallow water of the U.S. Beaufort Inner Shelf at locations coincident with seismic lines collected by the U.S. Geological...
Complete
2012-10-01
2016-09-30
2018-08-09 15:08:59 -0800
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Project Full Record

Climate Change, Permafrost, and Impacts on Civil Infrastructure

United States Arctic Research Commission (USARC) - Permafrost, or perenially frozen ground, is a critical component of the cryosphere and the Arctic system. Permafrost regions occupy approximately 24% of the terrestrial surface of the Northern Hemisphere; further, the distribution of subsea permafrost in the Arctic Ocean is not well known, but new occurrences continue to be found. The effects of climatic warming on permafrost and the...
Remote
2003-12-31
2018-08-09 15:06:09 -0800
Report Full Record

USGS Gas Hydrates Project

US Geological Survey (USGS) - Study gas hydrates by a variety of methods, but the ANS task is focused on determining what is the ultimate resource potential of the known gas hydrate and associated free-gas accumulations on the North Slope. This project will: (1) provide the scientific foundation for drilling of gas hydrates on ANS and Mackenzie Delta; (2) implement regular assessments of the in-place and recoverable energy...
Complete
2003-10-01
2007-09-30
2018-08-09 15:07:44 -0800
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Project Full Record

Gas Hydrate Energy Production Studies in Northern Alaska

US Geological Survey (USGS) - The primary objective of this effort is to evaluate the production response of the know gas hydrate accumulations in the area of the Prudhoe Bay and Kuparuk River production units on the North Slope of Alaska. Gas hydrates are naturally occurring, ice-like solids in which water molecules trap gas molecules in a cage-like structure known as a clathrate. This project is designed as a cooperative...
Complete
2006-10-01
2011-09-30
2018-08-09 15:08:31 -0800
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Project Full Record

Compilation of Masters and Doctoral Dissertations Based on the Barrow, Alaska Region: A Work in Progress as of May 2011

Barrow Arctic Science Consortium (BASC) - This compilation of masters and doctoral theses is prepared as part of a larger bibliographic project that covers the “Post World War II to Present Period” of research conducted at and around the immediate Barrow, Alaska, area. These documents are less commonly cited in the open literature, since preference is given to the author’s published papers. This compilation is intended to identify the...
Remote
1914-12-31
2018-08-09 15:06:59 -0800
Report Full Record

Long Term Vegetation Change Following Tundra Fire

National Park Service (NPS) - Wildland fire is one of the most influential environmental processes across the Alaskan landscape. Fire affects all of the parks in the Arctic Network; in the past 50 yrs over 750,000 acres have burned within the five parks. Fire is an important monitor
Complete
2006-10-16
2006-10-16
2018-08-09 15:03:27 -0800
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Project Full Record

Understanding the impacts of thermokarst lakes on permafrost stability, C cycling and greenhouse gas emissions

University of Alaska Fairbanks (UAF) - This research integrates field studies in a range of disciplines (geomorphology, geophysics, paleoecology, hydrology, limnology) with process modeling of permafrost thaw, lake formation, carbon cycling, and greenhouse gas (GHG) emissions to understand how permafrost degradation in the Arctic, particularly thermokarst-lake evolution, affects long-term atmospheric trace gas dynamics by releasing...
Complete
2008-01-01
2013-04-30
2018-08-09 15:10:23 -0800
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Project Full Record

Borehole Temperatures from the North Slope of Alaska

National Center for Atmospheric Research - Earth Observing Laboratory (NCAR EOL) - This data set contains temperatures collected from boreholes on the North Slope of Alaska at 23 sites between 1977 and 2002. Most data fall into a date range of 1983-2001. The data consist of manually measured temperature profiles. PLEASE NOTE: These data and documentation files are presented as received from the Principal Investigator (PI) and have not undergone the normal quality control...
Ongoing
1977-01-01
2002-12-31
2018-08-09 15:10:24 -0800
Data Full Record

Ecology, Soil Carbon, and Permafrost Experiments (ECOSCAPE)

US Geological Survey (USGS) - This experiment is structured to understand fundamental biogeochemical feedbacks from permafrost thaw, and address the needs of the Integrated Ecosystem Model (IEM) project whose goal is to develop a modeling framework that integrates vegetation succession, disturbance, hydrology, and permafrost dynamics using ALFRESCO, TEM, and GIPL models. Model output will also be tested or verified through...
Ongoing
2011-01-01
2018-08-09 15:08:47 -0800
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Project Full Record

Development of a Network of Permafrost Observatories in North America and Russia: The US Contribution to the International Polar Year

University of Alaska Fairbanks (UAF) - This project provides the US contribution to the proposed IPY/TSP project that proposes to measure temperatures in a large number of globally distributed boreholes in order to provide a "snapshot" of permafrost temperatures in both time and space.
Complete
2007-02-01
2010-01-31
2018-08-09 15:08:57 -0800
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Project Full Record

Fate of Carbon in Soil Systems: Alaskan Landscapes

US Geological Survey (USGS) - Formulates and tests scientific hypotheses to understand what key factors determine the fate of carbon in boreal terrestrial environments by examining the interaction of climate with soil drainage, fire disturbance, permafrost/active layer changes, and vegetation. To address the science needs of U.S. Carbon Cycle Science Program, an interagency partnership is dedicated to developing...
Complete
2010-01-01
2015-12-31
2018-08-09 15:04:50 -0800
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Project Full Record

Collaborative Research: The roles of plant roots, mycorrhizal fungi and uptake of deep nitrogen in the permafrost carbon feedback to warming climate

University of Alaska Fairbanks (UAF) - Release of carbon frozen in permafrost (frozen ground) has been identified as one of the strongest and most likely positive feedbacks between the biosphere and the warming climate. Permafrost nitrogen release has the potential to stabilize the response of the carbon cycle to climate warming because it is a negative, within-system feedback. It could confer resilience to ecosystem-atmosphere...
Ongoing
2015-06-01
2019-05-31
2018-08-09 15:36:22 -0800
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Project Full Record