Filters: Categories: Publication (X) > partyWithName: LCC Network Data Steward (X) > Categories: Data (X) > partyWithName: Karen A Murphy (X)

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High Resolution Vegetation Mapping of the Alaska Peninsula and Unimak Island 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. This framework is underpinned by the concept that tundra ecosystem productivity is ultimately driven by the thermodynamics of the system induced by climate. Categories: Data, Publication; Types: Citation; Tags: ALPINE/TUNDRA, ALPINE/TUNDRA, CARBON, CARBON, CARBON CYCLE/CARBON BUDGET MODELS, All tags... CARBON CYCLE/CARBON BUDGET MODELS, EVEN-TOED UNGULATES, EVEN-TOED UNGULATES, Federal resource managers, HERBIVORY, HERBIVORY, LANDSCAPE PROCESSES, LANDSCAPE PROCESSES, LCC Network Science Catalog, LICHENS, LICHENS, NITROGEN, NITROGEN, NITROGEN, NITROGEN, NUTRIENTS, NUTRIENTS, ORGANIC MATTER, ORGANIC MATTER, Publication, SOIL ABSORPTION, SOIL ABSORPTION, SOIL FERTILITY, SOIL FERTILITY, SOIL PRODUCTIVITY, SOIL PRODUCTIVITY, SOIL RESPIRATION, SOIL RESPIRATION, SOIL TEMPERATURE, SOIL TEMPERATURE, State agencies, Tribes, VEGETATION COVER, VEGETATION COVER, VEGETATION COVER, VEGETATION COVER, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, environment, environment, onGoing, Fewer tags Modeling Tides and Storm Surge Under Varying Sea Ice Conditions in the Gulf of Alaska and Bering, Chukchi, and Beaufort Seas An integrated high resolution tide and storm surge model has been developedfor all of coastal Alaska. The model uses the ADCIRC basin-to-channelscale unstructured grid circulation code. Tidal forcing from global tidal modelsand meteorological forcing from the Climate Forecast System Reanalysisare used. The model’s tidal solution has been validated at 121 shelf andnearshore stations. The model’s skill has been investigated for summer, falland winter storms. Sea ice has been incorporated through a parameterizedwind drag coefficient which modifies the air-sea drag under ice coverage.Three large storms with distinctly different ice coverages were chosen to exhibitthe effect of sea ice on the resulting storm surge. The... Categories: Data, Publication; Types: Citation; Tags: Academics & scientific researchers, COASTAL AREAS, COASTAL AREAS, COASTAL PROCESSES, COASTAL PROCESSES, All tags... DELTAS, DELTAS, ESTUARIES, ESTUARIES, FLOODING, FLOODING, Federal resource managers, ICE EXTENT, ICE EXTENT, ICE GROWTH/MELT, ICE GROWTH/MELT, LCC Network Science Catalog, MODELS, MODELS, Publication, Regional & county planners, Report, STORM SURGE, STORM SURGE, STORMS, STORMS, TIDES, TIDES, WAVE SPEED/DIRECTION, WAVE SPEED/DIRECTION, WIND SPEED/WIND DIRECTION, WIND SPEED/WIND DIRECTION, Western Alaska Landscape Conservation Cooperative data.gov, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, disaster, disaster, environment, environment, geoscientificInformation, geoscientificInformation, oceans, oceans, underDevelopment, Fewer tags Predicting Waterbird Nest Distributions on the Yukon–Kuskokwim Delta of Alaska The Yukon–Kuskokwim Delta of Alaska,USAis a globally important region for numerous avianspecies including millions of migrating and nesting waterbirds.However, data on the current spatial distributionof critical nesting areas and the importance of environmental variables in the selection of nest locations aregenerally lacking for waterbirds in this region.We modeled nest densities for 6 species of geese and eiders thatcommonly breed on the Yukon–Kuskokwim Delta, including cackling goose (Branta hutchinsii minima),emperor goose (Chen canagica), black brant (B. bernicla nigricans), greater white-fronted goose (Anser albifronsfrontalis), spectacled eider (Somateria fischeri), and common eider (S. mollissima).Thedata... Categories: Data, Publication; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: BIRDS, BIRDS, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, CLIMATE CHANGE IMPACT ASSESSMENT MODELS, DELTAS, All tags... DELTAS, DELTAS, DELTAS, DUCKS/GEESE/SWANS, DUCKS/GEESE/SWANS, ENDANGERED SPECIES, ENDANGERED SPECIES, EROSION, EROSION, ESTUARINE WETLANDS, ESTUARINE WETLANDS, FLOODS, FLOODS, Federal resource managers, HABITAT CONVERSION/FRAGMENTATION, HABITAT CONVERSION/FRAGMENTATION, INUNDATION, INUNDATION, LCC Network Science Catalog, PALUSTRINE WETLANDS, PALUSTRINE WETLANDS, Policy makers & regulators, Publication, SALTWATER INTRUSION, SALTWATER INTRUSION, SEA LEVEL RISE, SEA LEVEL RISE, SEA LEVEL RISE, SEA LEVEL RISE, SEDIMENT TRANSPORT, SEDIMENT TRANSPORT, SEDIMENTATION, SEDIMENTATION, SEVERE STORMS, SEVERE STORMS, SPECIES LIFE HISTORY, SPECIES LIFE HISTORY, STORM SURGE, STORM SURGE, STORMS, STORMS, Tribes, USE/FEEDING HABITATS, USE/FEEDING HABITATS, WETLANDS, WETLANDS, Western Alaska Landscape Conservation Cooperative data.gov, biota, biota, climatologyMeteorologyAtmosphere, climatologyMeteorologyAtmosphere, completed, environment, environment, imageryBaseMapsEarthCover, imageryBaseMapsEarthCover, oceans, oceans, Fewer tags