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This project evaluates the connections between climate change impacts and health in Bristol Bay communities. Climate change impacts were assessed through the lens of public health, with an eye towards the potential effects on disease, injury, food and water security, and mental health. Three focal communities were included in this assessment: Nondalton, a lake community, Levelock, a river community, and Pilot Point, a coastal community. The resulting assessment reports will be used to assist focal communities, as well as neighboring communities, in addressing climate-change related issues.
Categories: Data, Project; 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, Decision Support, All tags...
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We mosaicked twelve LandSat-8 OLI satellite images taken during the summer of 2014, which were used in an object based image analysis (OBIA) to classify the landscape. We mapped seventeen of the most dominant geomorphic land cover classes on the ACP: (1) Coastal saline waters, (2) Large lakes, (3) Medium lakes, (4) Small lakes, (5) Ponds, (6) Rivers, (7) Meadows, (8) Coalescent low-center polygons, (9) Low-center polygons, (10) Flat-center polygons, (11) High-center polygons, (12) Drained slope, (13) Sandy barrens, (14) Sand dunes, (15) Riparian shrub, (16) Ice, and (17) Urban (i.e. towns and roads). Mapped products were validated with an array of oblique aerial/ground based photography (Jorgenson et al., 2011)...
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Alaska’s freshwater resources, vitally important for salmon and other species, are vulnerable to changes resulting from climate change. Though temperature is a critical element in the suitability of aquatic habitats, Alaska’s stream and lake temperature monitoring is occurring through independent agencies/partners without a means to link and share data. Because a coordinated network of monitoring data can help scientists and managers understand how aquatic systems are responding to climate change, conducting an inventory of past and present stream and lake temperature monitoring efforts has been identified as a priority science need for Alaska. This project consolidated existing monitoring site locations and attributes...
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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...
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In this first worldwide synthesis of in situ and satellite-derived lake data, we find that lakesummer surface water temperatures rose rapidly (global mean = 0.34°C decade1) between 1985 and2009. Our analyses show that surface water warming rates are dependent on combinations of climate andlocal characteristics, rather than just lake location, leading to the counterintuitive result that regionalconsistency in lake warming is the exception, rather than the rule. The most rapidly warming lakes are widelygeographically distributed, and their warming is associated with interactions among different climatic factors—from seasonally ice-covered lakes in areas where temperature and solar radiation are increasing whilecloud...
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The environment is rapidly changing and global warming brings impacts to all forms of life. This report is about the effects of a changing climate on the human environment and changes to communities and peoples’ lives. The best measures of change are the observations of people who live and work here, travel the trails, watch the weather, and harvest food from the land and sea. By listening, we learn the nature of the changes that are occurring, and gain insight into the causes and specific implications to people and the adaptations that are being developed and used every day. People of the Alaska are excellent observers of environmental change because of their local knowledge and expertise about the weather, wildlife,...
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, EROSION, EROSION, Interested public, All tags...
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The environment is rapidly changing and global warming brings impacts to all forms of life. This report is about the effects of a changing climate on the human environment and changes to communities and peoples’ lives. The best measures of change are the observations of people who live and work here, travel the trails, watch the weather, and harvest food from the land and sea. By listening, we learn the nature of the changes that are occurring, and gain insight into the causes and specific implications to people and the adaptations that are being developed and used every day. People of the Bering Strait are excellent observers of environmental change because of their local knowledge and expertise about the weather,...
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, EROSION, EROSION, Interested public, All tags...
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The Integrated Ecosystem Model for Alaska project (IEM) uses down-scaled climate models as the drivers of ecosystem change to produce forecasts of future fire, vegetation, permafrost and hydrology regimes at a resolution of 1km. This effort is the first to model ecosystem change on a statewide scale, using climate change input as a major driving variable. The objectives of the IEM project are as follows; to better understand and predict effects of climate change and other stressors on landscape level physical and ecosystem processes, and to provide support for resource conservation planning.The IEM will provide resource managers with a decision support tool to visualize future landscapes in Alaska. Model outputs...
Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Academics & scientific researchers, DYNAMIC VEGETATION/ECOSYSTEM MODELS, DYNAMIC VEGETATION/ECOSYSTEM MODELS, Datasets/Database, Federal resource managers, All tags...
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When resources are spatially and temporally variable, consumers can increasetheir foraging success by moving to track ephemeral feeding opportunitiesas these shift across the landscape; the best examples derive from herbivore–plant systems, where grazers migrate to capitalize on the seasonal waves ofvegetation growth. We evaluated whether analogous processes occur in watershedssupporting spawning sockeye salmon (Oncorhynchus nerka), askingwhether seasonal activities ofpredators and scavengers shift spatial distributionsto capitalize on asynchronous spawning among populations of salmon. Bothglaucous-winged gulls and coastal brown bears showed distinct shifts in theirspatial distributions over the course of the summer,...
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The goal of the Bristol Bay Regional Water Temperature Monitoring Network is to generate water temperature data which meet the information needs of individual cooperators while simultaneously generating data relevant for assessing changes in stream and lake temperatures at a regional scale. The Network’s short-term (3-5 year) objectives are to:ï‚· increase data collecting capacity in the Bristol Bay region;ï‚· institute the use of minimum data collection standards to produce data useful for the analysis of regional trends;ï‚· compliment and leverage other monitoring efforts;ï‚· update and submit site-specific metadata annually to the Alaska Online Aquatic Temperature Site project (a statewide metadata clearinghouse); andï‚·...
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The coastal areas of the Yukon and Kuskokwim River Deltas (YKD) are among the most productive in Alaska. The fish, wildlife, and plant resources have been an integral part of communities in this region for thousands of years. Some of the same traits that make it so productive also make it a challenging place to live and work. To better understand and plan for coastal erosion and storm surges, or plan for roads and trails, information about elevation patterns on the YKD are needed. Current topographic maps have limited value given the flatness of the area. A group of partners worked together with USGS to collect elevation information and create a map that will reveal a portion of the delta’s topography. Kodiak Mapping...
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Global environmental change has influenced lake surface temperatures, a key driver of ecosystem structureand function. Recent studies have suggested significant warming of water temperatures in individual lakesacross many different regions around the world. However, the spatial and temporal coherence associatedwith the magnitude of these trends remains unclear. Thus, a global data set of water temperature isrequired to understand and synthesize global, long-term trends in surface water temperatures of inlandbodies of water. We assembled a database of summer lake surface temperatures for 291 lakes collectedin situ and/or by satellites for the period 1985–2009. In addition, corresponding climatic drivers (airtemperatures,...
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In 2012 Bristol Bay Native Association (BBNA) in partnership with Bristol Bay Area Health Corporation (BBAHC) and Alaska Native Tribal Health Consortium (ANTHC) began evaluating connections between climate change impacts and health. The purpose, to encourage wellness and to adapt to changes in the Bristol Bay region. Of special importance for community wellness are the changes occurring to the natural environment and the effects on food and water security. This is a synthesis of findings from the project.
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...
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How local geomorphic and hydrologic features mediate the sensitivity of stream thermal regimesto variation in climatic conditions remains a critical uncertainty in understanding aquatic ecosystem responsesto climate change.We used stable isotopes of hydrogen and oxygen to estimate contributions of snow and rainfallto 80 boreal streams and show that differences in snow contribution are controlled by watershed topography.Time series analysis of streamthermal regimes revealed that streams in rain-dominated, low-elevation watershedswere 5–8 times more sensitive to variation in summer air temperature compared to streams draining steepertopography whose flows were dominated by snowmelt. This effect wasmore pronounced...
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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...
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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, Image; 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...
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Webinar 2015: Alaska’s National Hydrography Dataset (NHD), the digital data layer that depicts the location of lakes and streams, was originally created from the 1950’s topographic maps. With funding support from the LCC Network, this project focused on establishing a statewide framework to improve the hydrography mapping and stewardship in Alaska. This will be achieved through the creation of a statewide system to make digital mapping data updates accessible and affordable, and through the creation of a statewide hydrography mapping coordinator position to synchronize updates and guide hydrography mapping development. This framework will allow agencies and organizations to greatly improve their hydrography mapping...


map background search result map search result map Integrated Ecosystem Model (AIEM) for Alaska and Northwest Canada Alaskan Arctic Coastal Plain Polygonal Geomorphology Map Climate Change Health Assessments for Three Coastal, Riverine and Lake System Communities Lidar collection in outer coastal regions of the Yukon and Kuskokwim River Deltas Watershed geomorphology and snowmelt control stream thermal sensitivity to air temperature. Webinar (2015) AK-OATS Rapid and highly variable warming of lake surface waters around the globe Final Synthesis Report Climate Change in the Bering Strait Region Climate Change and Health Effects in the Bristol Bay Region of Alaska: Final Project Synthesis Report. 2015 Webinar: Bringing Alaska's Freshwater Hydrography into the 21st Century Webinar 2016: Networked Monitoring of Salmon Habitat Temperature: Two Case Studies from Southwestern Alaska Webinar: Effects of winter climate and watershed features on summer stream temperatures in Bristol Bay, Alaska Model Domain Summary handout - Factsheet Model outputs Riding the crimson tide: mobile terrestrial consumers track phenological variation in spawning of an anadromous fish Implementation Plan: Bristol Bay regional water temperature monitoring network. A global database of lake surface temperatures collected by in situ and satellite methods from 1985–2009 Lidar processing and Survey Reports Model Domain Summary handout - Factsheet Model outputs Lidar processing and Survey Reports Watershed geomorphology and snowmelt control stream thermal sensitivity to air temperature. Riding the crimson tide: mobile terrestrial consumers track phenological variation in spawning of an anadromous fish Rapid and highly variable warming of lake surface waters around the globe Webinar: Effects of winter climate and watershed features on summer stream temperatures in Bristol Bay, Alaska A global database of lake surface temperatures collected by in situ and satellite methods from 1985–2009 Lidar collection in outer coastal regions of the Yukon and Kuskokwim River Deltas Webinar 2016: Networked Monitoring of Salmon Habitat Temperature: Two Case Studies from Southwestern Alaska Implementation Plan: Bristol Bay regional water temperature monitoring network. Climate Change and Health Effects in the Bristol Bay Region of Alaska: Final Project Synthesis Report. Climate Change Health Assessments for Three Coastal, Riverine and Lake System Communities Alaskan Arctic Coastal Plain Polygonal Geomorphology Map Integrated Ecosystem Model (AIEM) for Alaska and Northwest Canada 2015 Webinar: Bringing Alaska's Freshwater Hydrography into the 21st Century Final Synthesis Report Climate Change in the Bering Strait Region Webinar (2015) AK-OATS