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Folders: ROOT > ScienceBase Catalog > National and Regional Climate Adaptation Science Centers > Alaska CASC > FY 2015 Projects ( Show direct descendants )

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Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/2016EF000479/full): Glacier hypsometry provides a first-order approach for assessing a glacier's response to climate forcings. We couple the Randolph Glacier Inventory to a suite of in situ observations and climate model output to examine potential change for the ∼27,000 glaciers in Alaska and northwest Canada through the end of the 21st century. By 2100, based on Representative Concentration Pathways (RCPs) 4.5–8.5 forcings, summer temperatures are predicted to increase between +2.1 and +4.6°C, while solid precipitation (snow) is predicted to decrease by −6 to −11%, despite a +9 to +21% increase in total precipitation. Snow is predicted to undergo a pronounced...
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Throughout Alaska, land managers and rural communities are faced with developing climate adaptation strategies to prepare for changes in landscapes, ecosystems and terrestrial habitats and their associated resources and services. One of the greatest challenges for land use managers and stakeholders in Alaska is the discovery and accessibility of relevant scientific information and data. The effective dissemination and communication of science relies on improving access for stakeholders to discover research, management plans, and data within their geographic area of interest. To respond to this need, the Northwest Boreal Landscape Conservation Cooperative (NWBLCC) has launched the Northwest Boreal Science and Management...
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Changes in stream temperature can have significant impacts on water quality and the health and survival of aquatic fish and wildlife. Water managers, planners, and decision makers are in need of scientific data to help them prepare for and adapt to changes and conserve important resources. Scientists are tasked with ensuring that this data is produced in useful formats and is accessible to these stakeholders. In October 2015, project researchers hosted and facilitated a 1.5 day workshop, “Data Storage, Dissemination and Harvesting”, that brought together over 50 stakeholders from state and federal agencies, tribal governments, universities, and non-profit organizations interested in monitoring stream temperature...
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For the Upper Yukon area of interior Alaska, climate change has become a daily fact of life, causing a wide range of impacts to the environment, and in some cases to community health. In 2015 the Alaska Native Tribal Health Consortium and the Alaska Climate Adaptation Science Center organized a series of assessments to better understand the impacts of climate change being observed in this region, including the communities Arctic Village, Fort Yukon, and Venetie. Support for this project was provided by USGS and by local tribal partners including Arctic Village Traditional Council, Gwichyaa Zhee Gwich’in Tribal Council, and the Venetie Village Council. The assessments were also performed in partnership with three...
Abstract (from The Cryosphere): There is significant uncertainty regarding the spatiotemporal distribution of seasonal snow on glaciers, despite being a fundamental component of glacier mass balance. To address this knowledge gap, we collected repeat, spatially extensive high-frequency ground-penetrating radar (GPR) observations on two glaciers in Alaska during the spring of 5 consecutive years. GPR measurements showed steep snow water equivalent (SWE) elevation gradients at both sites; continental Gulkana Glacier's SWE gradient averaged 115 mm 100 m−1 and maritime Wolverine Glacier's gradient averaged 440 mm 100 m−1 (over > 1000 m). We extrapolated GPR point observations across the glacier surface using terrain...
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Birds are appreciated and enjoyed by thousands of people and also play important roles in the ecosystem as predators, prey, and pollinators. Alaska provides important breeding ground for hundreds of migratory bird species that travel thousands of miles in their annual migrations between breeding and wintering spots. Understanding how climate and land use changes affect migratory bird populations is crucial; however this information is also very difficult to collect. Migration routes expose birds to a wide range of landscapes and habitats, which are often experiencing varying degrees of climate and land use change (e.g. warmer temperatures or increased housing developments). Moreover, climate change in the future...
Abstract (from http://www.sciencedirect.com/science/article/pii/S0309170815002444): The northern portion of the Pacific coastal temperate rainforest (PCTR) is one of the least anthropogenically modified regions on earth and remains in many respects a frontier area to science. Rivers crossing the northern PCTR, which is also an international boundary region between British Columbia, Canada and Alaska, USA, deliver large freshwater and biogeochemical fluxes to the Gulf of Alaska and establish linkages between coastal and continental ecosystems. We evaluate interannual flow variability in three transboundary PCTR watersheds in response to El Niño-Southern Oscillation (ENSO), Pacific Decadal Oscillation (PDO), Arctic...
Explore thousands of curated scholarly articles, state and federal resource reports, land management plans, and more in the Northwest Boreal Landscape Conservation Cooperative bibliography. The tool allows users to search by keyword and geography to find relevant documents (i.e., peer-reviewed journal articles, government reports, land use management plans, dissertations, theses, etc.) across the boreal.
Abstract (from http://onlinelibrary.wiley.com/doi/10.1002/2015WR018457/full): A comprehensive study of the Gulf of Alaska (GOA) drainage basin was carried out to improve understanding of the coastal freshwater discharge (FWD) and glacier volume loss (GVL). Hydrologic processes during the period 1980–2014 were modeled using a suite of physically based, spatially distributed weather, energy-balance snow/ice melt, soil water balance, and runoff routing models at a high-resolution (1 km horizontal grid; daily time step). Meteorological forcing was provided by the North American Regional Reanalysis (NARR), Modern Era Retrospective Analysis for Research and Applications (MERRA), and Climate Forecast System Reanalysis...
map background search result map search result map Developing a Coordinated, Multi-Region Effort to Understand the Effects of Climate Change on Migratory Birds Prioritizing Stream Temperature Data Collection to Meet Stakeholder Needs and Inform Regional Analyses Community Observations on Climate Change: Arctic Village, Fort Yukon, and Venetie, Alaska Northwest Boreal Science and Management Research Tool Community Observations on Climate Change: Arctic Village, Fort Yukon, and Venetie, Alaska Northwest Boreal Science and Management Research Tool Prioritizing Stream Temperature Data Collection to Meet Stakeholder Needs and Inform Regional Analyses Developing a Coordinated, Multi-Region Effort to Understand the Effects of Climate Change on Migratory Birds