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This project produced an existing vegetation type map at 30m resolution for the northern half of the Western Alaska LCC region, and Kodiak Archipelago. The lack of a consistently mapped vegetation data layer for Alaska has been identified as a prima​​ry road block for many conservation and management entities across the state. This project addresses a number of the LCC conservation goals by addressing a baseline science and provides a foundation for current and future projects within the region.
In Alaska, changes in snow, ice, and weather, have resulted in risks to human lives, infrastructure damage, threats to valuable natural resources, and disruption of hunting, fishing, and livelihoods.Leaders from the Aleutians to the Chukchi Sea came together for a series of Coastal Resilience and Adaptation Workshops, spearheaded by three Landscape Conservation Cooperatives and the Aleutian Pribilof Islands Association. Tribal leaders, resource managers, community planners, and scientists explored strategies to adapt to these unprecedented changes.The workshop series brought together 14 Organizing Partners 34 Tribes, 15 State & Federal Agencies, and a total of more than 200 participants to meet in four regional...
Categories: Data, Project; Tags: Academics & scientific researchers, CLIMATE ADVISORIES, CLIMATE ADVISORIES, CLIMATE INDICATORS, CLIMATE INDICATORS, All tags...
The western coastline of Alaska is highly susceptible to coastal storms, which can cause coastal erosion, flooding, and have other pernicious effects to the environment and commercial efforts. The reduction in ice coverage due to climate change could potentially increase the frequency and degree of coastal flooding and erosion. Further, estuaries and delta systems act as conduits for storm surges, so when there is less nearshore ice coverage, these systems could introduce storm surge into terrestrial environments unaccustomed to saline intrusion, flooding, or other alien biogeochemical factors.​This project quantified the effect of reduced nearshore ice coverage on coastal flooding. The project developed a large...
Water temperature is one of the most significant factors in the health of stream ecosystems. Temperature plays a critical role in salmonid reproduction and survivorship and is an essential indicator for monitoring the health of Bristol Bay salmon habitats, which support vital subsistence, commercial and sport fisheries. The objectives of this project are to develop an Implementation Strategy for a voluntary participation water temperature monitoring network for Bristol Bay; expand the annual Water Quality/QAPP Recertification training for local monitors to include standardized water temperature monitoring protocols; initiate temperature monitoring in select drainages; and seek long-term funding for a comprehensive...
Climate change is likely to alter snow patterns and characteristics, impacting vegetation, hydrology, permafrost condition, wildlife, and the Alaskans who depend on these resources. Currently, many areas of western Alaska are lacking important data related to snowpack and snow conditions, including the prime winter range for the Western Arctic Caribou Herd (WACH). This project will help monitor snow conditions, which are vital to understanding and predicting landscape level impacts of climate change in western Alaska.​
Research on coastal change in Western Alaska has increased rapidly in recent years, making it challenging to track existing projects, understand their cumulative insights, gauge remaining research gaps, and prioritize future research. This project identified existing coastal change projects in Western Alaska that were happening in 2014, scheduled for 2015 or occured in 2012-2014. The report (below) provides a synthesis of information about each project category, and an associated online database (see ACCAP project page link below) describes individual projects and information on how to contact the project leader. These products document the project landscape for communities facing change, decision-makers navigating...
Streams, rivers, and lakes of the Kodiak Archipelago, Alaska, provide essential spawning and rearing habitat for millions of Pacific salmon collectively regarded as a foundation of the regional ecosystem and economy. Climate projections for the archipelago indicate probable increases in annual and seasonal air temperature over the next 85 years. Corresponding increases in the temperature of freshwaters also are expected, which may adversely influence the biology of salmon, the quality of salmon habitat, and the availability of salmon to support the ecosystem and economy. It is essential that salmon managers be provided with relevant and reliable information on expected changes in thermal regimes and their influence...
Southwest Alaska is one of the fastest warming regions on Earth and its aquatic resources are at distinct risk from changing climate. Previous work has demonstrated that a variety of physical and biological processes are sensitive to changing climate regimes in this region, including those that support wildlife and fisheries that are of substantial importance for subsistence and commercial activities. This collaborative project will result in the compilation of a database of existing stream, river and lake temperatures that is unmatched anywhere else in Alaska in terms of its spatial and their temporal coverage. Analysis of these data will result in refinement of the monitoring plan developed to characterize thermal...
Climate change is likely to alter snow patterns and characteristics, impacting vegetation, hydrology, permafrost condition, wildlife, and the Alaskans who depend on these resources. Currently, many areas of western Alaska are lacking important data related to snowpack and snow conditions, including the prime winter range for the Western Arctic Caribou Herd (WACH). This project helped monitor snow conditions, which are vital to understanding and predicting landscape level impacts of climate change in western Alaska.​
This project engaged several Western Alaska coastal communities to describe types and formation processes associated with near-shore sea-ice phenomena during the fall freeze-up season, in particular as relevant to coastal erosion, flooding, and shoreline protection. Commentary and indigenous and local observations were drawn from and analyzed through existing community observing programs (SIZONet and ANTHC-LEO) as well as from new interviews and meetings conducted for this project. Extensive work was performed to summarize, assess, and synthesize written and recorded observations and commentary. A primary result was identification of a range of slush-ice berm events that could be broadly categorized as “advective”...
The tundra biome is the dominant terrestrial ecosystem of the circumpolar north, and its fate in a rapidly changing climate is of high scientific and socioeconomic concern. One of those concerns is that the majority of caribou herds throughout the circumpolar north are declining, perhaps as a result of climate change. The principal objective of this research is to reveal the connections between soil nutrient cycling, forage quality and caribou habitat selection.
Categories: Data; Tags: ALPINE/TUNDRA, ALPINE/TUNDRA, CARBON, CARBON, CARBON CYCLE/CARBON BUDGET MODELS, All tags...
Static occupations of tidal and geodetic benchmarks in Western Alaska were undertaken in the summers of 2013 and 2014. Project accomplishments far exceeded the proposed project objective of obtaining and sharing data for benchmarks in 8 different communities; in total, this work has resulted in the occupation of 44 benchmarks in 15 different communities. 32 of these datasets met National Geodetic Survey (NGS) minimum criteria for ‘shared solutions’ and have been uploaded to the Online Positioning User Service (OPUS) shared public database. This data has also been used to augment the tidal datum conversion database at the Alaska Division of Geological & Geophysical Surveys (DGGS) and the scientific geodetic database...
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A high spatial resolution storm surge model was developed for the YK Delta area to assess biological impacts of storm surges under current and future climates. Storm surges are expected to be more frequent and more severe in the YK Delta area due to climate change and sea level rise. The biological impacts in the YK Delta due to the changed storm surges could be extreme.The model was assessed with respect to measured water level data at the coast and, where available, spatial extent of inundation, for 6 storms from the period 1992 to 2011. In total, inundation projections from 9 historical storms (5 from the assessment + 4 others) were developed. For each storm, an spatial inundation index (time-integral of water...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: ARCHAEOLOGICAL AREAS, ARCHAEOLOGICAL AREAS, Academics & scientific researchers, COASTAL AREAS, COASTAL AREAS, All tags...
Water temperature influences all biological and physicochemical interactions within aquaticsystems. Water temperature monitoring is an essential part of lake management capable of providing early warning signs of climate change using straight-forward, low-cost techniques. Water temperature data acquired in this study will be used to support analyses of trend of the lacustrine component of sockeye salmon habitat. The need for such analyses is acute because climate change will influence lake habitat quality; growth and survival of juvenile sockeyesalmon; and subsistence, recreational, and commercial harvest opportunities. Additionally, data acquired in this project will be eventually combined with data collected by...
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This strategic plan is a guiding framework that lays out the objectives and goals for Alaska Hydrology Technical Working Group and AK Hydro to accomplish high-resolution statewide hydrography updates that meet national mapping standards and local partners’ needs.The strategic plan identifies five key objec-tives: 1) Map Alaska’s Water 2) Support Alaska’s Hydrography Needs 3) provide Hydrography Services 4) establish a Sus-tainable Hydrography future and 5) allow for Data Integration. These strategic objectives will give AK Hydro and AHTWG success in meeting the mission to efficiently serve the hydrography needs of Alaska. The objectives as-sist in mapping the surface water of Alaska, meeting NHD standards, securing...
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Alaska is experiencing a wide range of impacts from climate change and communities seek adaptive strategies that encourage wellness and sustainability. This report documents climate change impacts as described by community residents and climate change effects or potential effects as interpreted through the lens of public health. It is the seventh report in a series describing climate change in communities across Alaska, and the third report to focus on the Bristol Bay region. In the Alutiiq and Yupik community of Levelock Alaska, residents report changes to the weather, seasons, landscape, plants, and wildlife with important implications for community health. Understanding local impact of climate change is important...
Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CLIMATE CHANGE IMPACT ASSESSMENT MODELS, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, COASTAL AREAS, COASTAL AREAS, EROSION, All tags...
The compilation of an accurate and contemporary digital shoreline for Alaska is an important step in understanding coastal processes and measuring changes in coastal storm characteristics. Consistent with efforts by the United States National Park Service (NPS) at Bering Land Bridge National Preserve (BELA) and Cape Krusenstern National Monument, high quality, defensible digital shoreline datasets are under development for select coastal parks in the State of Alaska. Near BELA, for the area from Cape Prince of Wales to Cape Espenberg, extended revised shoreline coverage can be produced using true color coastal shoreline imagery to update the boundary demarking the mean high water (MHW) shoreline, which represents...
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The Western Alaska Landscape Conservation Cooperative (LCC) held two workshops in the spring of 2011, a “Framing Workshop” with the Steering Committee in February, followed by a “Science Workshop” with very broad participation from the scientific community in April. The main goal of the Framing Workshop described in this report was to clearly define a decision support context for the LCC that could be used to structure and guide discussions about data and information needs at the Science Workshop. Having this explicit decision context also provided a basis for logically evaluating and prioritizing the identified science needs.
Understanding the causes of relative sea level rise requires knowledge of changes to both land (uplift and subsidence) and sea level. However, measurements of coastal uplift or subsidence are almost completely lacking in western Alaska. This project provided precise measurements of prioritized benchmarks across the Western Alaska geography, improving the network of published tidal benchmark elevations, allowing for tidal datum conversion in more places, and providing a necessary component for improved inundation studies in coastal communities and low-lying areas. The project’s map of vertical velocities (uplift/subsidence) of western Alaska (see ‘Final Project Report’ & ‘Vertical Velocity Map’, below) will be combined...


map background search result map search result map Strategy development for establishment of a voluntary water temperature monitoring network in the Kodiak Archipelago, Alaska Develop a voluntary participation water temperature network implementation plan for the Ahklun Mountains and Bristol Bay Lowlands Direct snow condition monitoring at key ecological sites in remote western Alaska. Water temperature regimes in the Togiak NWR and Wood-Tikchik State Park Moored All-season Vertical Temperature Arrays in Lakes on Kodiak, Togiak and Alaska Peninsula/Becharof NWRs Climate Change in Levelock, Alaska Decision Analysis Framing and Structuring for the Western Alaska Landscape Conservation Cooperative:  Summary of Workshop held February 16-17, 2011 Alaska Hydrography Strategic Plan: Mapping Alaska's Water 2017-2021 Final Report: Storm surge impacts on biological resources in the Yukon Kuskokwim Delta Moored All-season Vertical Temperature Arrays in Lakes on Kodiak, Togiak and Alaska Peninsula/Becharof NWRs Final Report: Storm surge impacts on biological resources in the Yukon Kuskokwim Delta Climate Change in Levelock, Alaska Decision Analysis Framing and Structuring for the Western Alaska Landscape Conservation Cooperative:  Summary of Workshop held February 16-17, 2011 Alaska Hydrography Strategic Plan: Mapping Alaska's Water 2017-2021