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Displaying entries 1 - 20 of 95 in total

Ecology of ice-associated seals in the Bering Sea

National Oceanic and Atmospheric Administration (NOAA) - Use of distribution surveys and Satellite Data Recorders (SDRs) to investigate abundance, seasonal migration, habitat requirements and diving and foraging behaviors. Use of distribution surveys and SDRs to investigate abundance, migration, and habitat requirements.
Ongoing
2007-01-01
2018-08-09 15:08:00 -0800
Noaalogo 15 25 06 450 logo boem 15 28 23 93 logo noaa
Project Full Record

Retrospective Study of Walrus Foraging and Movement Patterns During a Major Ecosystem Shift in the Bering and Chukchi Seas

North Pacific Research Board (NPRB) - Recent work suggests that anthropogenic climate change has caused a shift from arctic to subarctic conditions in the Bering Sea, which has resulted in replacement of ice-dominated benthic ecosystems with pelagic-dominated ecosystems. This has occurred in areas that support the largest breeding colonies of Pacific walrus (Odobenus rosmarus divergens). Some have hypothesized that this northward...
Complete
2012-07-01
2014-06-30
2018-08-09 15:08:03 -0800
Nprblogo
Project Full Record

Sea-ice thickness measurement off Barrow

Alaska Ocean Observing System (AOOS) - At two locations off Barrow, ice thickness and velocity are measured along with water velocity profile, temperature and salinity. The nearshore site is within the footprint of the UAF sea-ice radar in Barrow. The offshore site is within a frequently occurring coastal polynya and its data will be used to validate estimate of thin ice thickness from satellite microwave sensor.
Complete
2011-07-31
2018-08-09 15:08:03 -0800
13 33 37 120 aoos logo
Project Full Record

Extending marine mammal acoustic tracking ranges in the Beaufort Sea using a vertical array

North Pacific Research Board (NPRB) - The ability to localize marine mammal sounds is a key step in establishing population density estimations and evaluating subtle responses to anthropogenic activities. While numerous passive acoustic systems in the Arctic can detect marine mammal sounds, only a few systems localize biologic sounds, and require multiple deployments of widely separated instruments; a cumbersome, expensive process...
Complete
2012-06-15
2014-06-30
2018-08-09 15:08:04 -0800
Nprblogo
Project Full Record

A Year in the Life of a Bowhead Whale: An Animated Film (AK-08-12-10)

US Bureau of Ocean Energy Management (BOEM) - The project is for public outreach. It serves to promote an aware and informed public, and in so doing, strengthens public voices in crafting policy.
Complete
2012-06-04
2014-05-30
2018-08-09 15:08:12 -0800
Cmilogo 15 25 06 450 logo boem 09 31 36 595 uaf logo
Project Full Record

Assessing Arctic Sea Ice

US Geological Survey (USGS) - This project uses a variety of satellite remote sensing imagery and algorithms to study long-term changes and trends in Arctic sea ice. Arctic sea ice plays a significant role in Earth's climate system, and is critical habitat for numerous arctic marine mammal species. Decadal oscillations in Arctic atmospheric circulation have shown strong linkages with observational changes in sea ice...
Ongoing
1979-01-01
2018-08-09 15:08:18 -0800
11 27 55 458 us department of interior logo 15 29 14 173 logo usgs
Report Full Record

Epifaunal Communities in the Central Beaufort Sea (AK-08-12-07)

US Bureau of Ocean Energy Management (BOEM) - One of BOEM’s target science interests is to learn more about the current spatial use patterns in the Beaufort Sea by potentially sensitive organisms, such as the epibenthics. Currently little is known about the epibenthic communities in the central Beaufort Sea. This proposed project is piggybacking an existing BOEM project that will characterize fish communities in the targeted area of the...
Complete
2011-01-01
2013-12-31
2018-08-09 15:08:37 -0800
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Project Full Record

Biogeochemical Assessment of the OCS Arctic Waters (AK-08-12-03)

US Bureau of Ocean Energy Management (BOEM) - The oil and gas industry has expressed interest in leasing part of the North Aleutian Basin (NAB) to search for and possibly develop oil and gas deposits. This study would provide an assessment of the current status of the ecosystem and its vulnerability to acidification or other aspects of climate change to use in evaluation of potential local and regional impacts from offshore exploration...
Complete
2008-01-01
2014-12-31
2018-08-09 15:08:40 -0800
Cmilogo 15 25 06 450 logo boem 09 31 36 595 uaf logo
Project Full Record

The Effect of Sea Ice Mobility on Shelf Basin Exchange in the Alaskan Beaufort Sea

North Pacific Research Board (NPRB) - The Alaskan Beaufort shelf (ABS) is fed by Pacific water emanating from Bering Strait and is strongly wind-forced in fall and winter due to the passage of synoptic storms. Because this Pacific derived water flowing along the northern boundary of the ABS is nutrient rich, upwelling of these Pacific waters onto the ABS is an important source of nutrients to the shelf. Thus understanding upwelling...
Complete
2012-07-01
2014-06-30
2018-08-09 15:08:52 -0800
Nprblogo
Project Full Record

Satellite-Tracked Drifter Measurements in the Northeast Chukchi Sea (AK-08-12-08)

US Bureau of Ocean Energy Management (BOEM) - The oil and gas industry plans to drill exploratory wells within the Chukchi Sea during the open water season within the coming years to assess the extent of potential hydrocarbon resource within the subsurface formations. The BOEM and the oil and gas industry are presently sponsoring a physical oceanographic study in the Chukchi Sea to measure ocean current circulation fields from High...
Complete
2011-04-06
2015-01-31
2018-08-09 15:08:52 -0800
Cmilogo 15 25 06 450 logo boem 09 31 36 595 uaf logo
Project Full Record

Chukchi Sea Environmental Studies Program: Zooplankton

Alaska Ocean Observing System (AOOS) - The primary objective of the planktonic communities program is to describe spatial, seasonal and interannual characteristics of the plankton (phytoplankton and zooplankton) communities within the study areas. Phytoplankton, along with algae that grow attached to sea ice, are the conduit of the sun´s energy into organic "food” at the base of the food chain in the Chukchi Sea. Phytoplankton...
Complete
2008-07-01
2018-08-09 15:08:53 -0800
Shelllogo 13 33 37 120 aoos logo Statlogo Cpialogo
Project Full Record

Coastal Geohazard Evaluation and Geologic Mapping

Alaska Ocean Observing System (AOOS) - As part of a multi-year program, DGGS is establishing a baseline record of dominant coastal processes in and around selected communities. Measured coastal profiles, nearshore bathymetry and coastline characterization will be combined with historic data sets to generate a coastal geohazard map series. These maps, tailored in design for the Alaskan coastline, will aid in the identification of...
Ongoing
2012-08-07
2018-08-09 15:07:30 -0800
13 33 37 120 aoos logo 09 43 17 665 fws 300x300 13 33 31 514 dnrlogo indexcolor
Project Full Record

National Marine Mammal Tissue Bank

National Oceanic and Atmospheric Administration (NOAA) - Tissue is collected from marine mammals, such as polar bears, whales, seals and walruses that are accidentally taken by industry, hunted for subsistence or have died stranded.
Ongoing
1989-01-01
2018-10-19 19:28:14 -0800
15 29 14 173 logo usgs 15 28 23 93 logo noaa
Project Full Record

Pelagic Seabird Database for the North Pacific

US Geological Survey (USGS) - Much pelagic seabird data remains in individual datasets. While some investigators can analyze their own data sets for specific purposes, the bulk of pelagic seabird data are inaccessible to any one user group. We continue to combine all available data into a standardized database, and we are developing tools and products to map and interpret these data. This provides scientists, resource...
Ongoing
2005-09-30
2015-09-29
2018-10-29 10:48:14 -0800
10 20 02 506 nps logo 09 43 17 665 fws 300x300 15 29 14 173 logo usgs
Project & Data Full Record

Aggregate Effects Research and Environmental Mitigation Monitoring of Oil Industry Operations in the Vicinity of Nuiqsut (AK-08)

US Bureau of Ocean Energy Management (BOEM) - The study will serve to verify and/or improve the effectiveness of pre-lease mitigation strategies and post lease operations for future development activities on the OCS. The BOEM analysts and decision makers will use the information in NEPA analysis and documentation for lease sales, EPs and DPPs and in post sale and post exploration decision making in the Beaufort Sea.
Complete
2009-08-25
2013-12-31
2018-08-09 15:10:04 -0800
Srbalogo 15 25 06 450 logo boem 15 21 35 16 nssi trans
Project Full Record

Arctic Cod (Boreogadus saida) population structure and connectivity as examined with molecular genetics.

North Pacific Research Board (NPRB) - Because of its abundance, wide distribution and foundational ecosystem role, Arctic Cod (Boreogadus saida) is arguably the most important fish found in Arctic waters. This small gadoid fish which at times can be locally very abundant, is found as far south as Norton Sound in the Pacific and the Gulf of St. Lawrence in the Atlantic. In spite of the ecological importance and a possibility of...
Complete
2011-07-01
2013-08-31
2018-08-09 15:10:04 -0800
Nprblogo
Project Full Record

Oceanographic General Circulation Modeling

US Bureau of Ocean Energy Management (BOEM) - Oil spill trajectory analysis for impact assessment is needed for the Beaufort and Chukchi Sea Planning Areas. Development and application of state-of-the-art circulation models are essential to conduct oil spill risk analysis and to evaluate scenario alternatives in OCS oil and gas lease planning. This group of studies provides ten to twenty years of relevant modeled fields, such as gridded...
Complete
1982-01-01
2018-08-09 15:10:15 -0800
Rutgerslogo 15 25 06 450 logo boem 09 31 36 595 uaf logo
Project Full Record

Trophic Links: Forage Fish, Their Prey, and Ice Seals in the Northeast Chukchi Sea (AK-08-12-05)

US Bureau of Ocean Energy Management (BOEM) - This study will provide BOEM NEPA analysts with sorely needed basic diet information for both fish and seals in the Chukchi Sea. Because of the close association of the three trophic levels, it will greatly increase understanding of the ecological connections between invertebrates, fish, and seals and also provide measures of natural variability across a series of years that include both warm...
Complete
2009-07-15
2013-06-30
2018-08-09 15:10:27 -0800
Cmilogo 15 25 06 450 logo boem 09 31 36 595 uaf logo
Project Full Record

Abundance Estimates of Ice-Associated Seals: Bering Sea Populations that Inhabit the Chukchi Sea (AK-12-x10b)

US Bureau of Ocean Energy Management (BOEM) - Objectives: • Calculate abundance estimates for bearded, spotted, and ribbon seals in the Bering and Chukchi Seas. • Contract for a NOAA Twin Otter and a second longer range aircraft to conduct surveys of the central and eastern Bering Sea shelf in April and May of 2012 and 2013. • Conduct surveys of ice-associated seals using high-resolution digital photographic and thermal imaging...
Complete
2012-01-01
2015-12-31
2018-08-09 15:10:29 -0800
Noaa nmfslogo Noaalogo 15 25 06 450 logo boem
Project Full Record

Assessing ice seal abundance and sea-ice characteristics

National Oceanic and Atmospheric Administration (NOAA) - Use of UAS for assessment of both ice seal density and sea ice conditions. Refinement of techniques for automation of detecting & counting seals in large streams of digital photographs (also applicable to photos obtained from manned aircraft). 4 species of ice seals
Complete
2009-05-01
2018-08-09 15:10:30 -0800
Noaalogo 09 31 36 595 uaf logo Noaa nmfslogo 15 28 23 93 logo noaa
Project Full Record