Filters: Tags: Gulf of Alaska (X) > Types: OGC WFS Layer (X)

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MGL1109centerdepth.shp: Multibeam bathymetry data collected by the U.S. Geological Survey in the Gulf of Alaska in 2011 during cruise MGL1109, along-track center-beam depths extracted from 100-meter gridded data in shapefile format, geographic coordinates This shapefile contains center-beam depths for approximately 5804 trackline kilometers of Simrad EM122 multibeam-bathymetry data collected in the Gulf of Alaska during U.S. Geological Survey (USGS) cruise MGL1109 aboard the R/V Marcus G. Langseth. The depth values were extracted from gridded data which were reduced for position, elevation, orientation, water-column sound-speed, and refraction effects. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aleutian Basin, Aleutian Trench, Baranof Fan, Bathymetry and Elevation, Bering Sea, All tags... Bowers Ridge, Bowie Seamount, CMHRP, Coastal and Marine Hazards and Resources Program, Dutch Harbor, Extended Continental Shelf, Gulf of Alaska, Kodiak Island, Kodiak Seamount, PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Shirshov Ridge, Surveyor Fan, U.S. Geological Survey, USGS, Umnak Plateau, bathymetry, continental shelf, environment, geoscientificInformation, geospatial datasets, marine geophysics, marine geophysics, multibeam echo sounder, multibeam sonar, oceans, Fewer tags From Icefield to Ocean: Glacier Change Impacts to Alaska’s Coastal Ecosystems The Gulf of Alaska is one of the most productive marine ecosystems on Earth, supporting salmon fisheries that alone provide nearly $1 billion per year in economic benefits to Southeast Alaska. Glaciers are central to many of the area’s natural processes and economic activities, but the rates of glacier loss in Alaska are among the highest on Earth, with a 26-36 percent reduction in total volume expected by the end of the century. This project brought together scientists and managers at a workshop to synthesize the impacts of glacier change on the region’s coastal ecosystems and to determine related research and monitoring needs. Collected knowledge shows that melting glaciers are expected to have cascading effects... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2012, Alaska, Alaska CASC, Basins, CASC, All tags... Climate Change, Completed, Drainage, Drainage System, Glacier Change, Glaciers and Permafrost, Glaciers and Permafrost, Gulf of Alaska, Hydrography, Projects by Region, Science Tools for Managers, Science Tools for Managers, Sea-Level Rise and Coasts, Sea-Level Rise and Coasts, State of the Science, State of the Science, Water, Coasts and Ice, Water, Coasts and Ice, Watershed, Y.T., Yukon, Yukon Territory, Fewer tags Impacts of Climate Change and Melting Glaciers on Coastal Ecosystems in the Gulf of Alaska As glaciers melt from climate change, their contents – namely, large quantities of freshwater, sediment, and nutrients – are slowly released into coastal ecosystems. This project addressed the impacts of melting glaciers on coastal ecosystems in the Copper River region of the Gulf of Alaska, which is home to several commercially important fisheries. Researchers examined how glacial melting is altering the amount and timing of freshwater that enters the Gulf of Alaska from the Copper River. They also investigated the source and amount of two nutrients, iron and nitrate, dissolved in the water. As a complementary piece of the study, researchers tested the relationship between nutrient levels, plankton populations,... Categories: Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2009, CASC, Completed, Glaciers and Permafrost, Glaciers and Permafrost, All tags... Gulf of Alaska, Iron, National CASC, National CASC, Projects by Region, Rivers, Streams and Lakes, Rivers, Streams and Lakes, Sea-Level Rise and Coasts, Sea-Level Rise and Coasts, Water, Coasts and Ice, Water, Coasts and Ice, climate change, melting glaciers, Fewer tags Temperate Northern Pacific Nearshore Points shapefile This point shapefile approximates locations within 20 km of the North Pacific Coastline, as defined by the "World Country Boundaries (Generalized)" shapefile distributed by ESRI as part of their Data & Maps data series. They are based on raster data at 4 km resolution. Therefore there are between 3-5 points extending out from each location along the shoreline (at 4 km intervals). Categories: Data; Types: Citation, Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aleutian, Asian Pacific, BC, Baja, British Columbia, All tags... CA, California, Canada, China, Gulf of Alaska, Japan, Kamchatka, Korea, Kuroshio, National CASC, North America, North Pacific, OR, Oregon, Oyashio, Pacific Northwest, Pacific Ocean, Russia, SST, Sea of Okhotsk, Sea-Level Rise and Coasts, Vancouver, WA, Washington, Water, Coasts and Ice, Yellow Sea, coast, coastal zone, coastline, location, oceans, points, sea surface temperature, shapefile, shore, shoreline, Fewer tags Predicting the vulnerability of nearshore species and habitats to climate change effects The primary objective of the research is to develop a rule-based decision support system to predict the relative vulnerability of nearshore species to climate change. The approach is designed to be applicable to fishes and invertebrates with limited data by predicting risk from readily avialable data, including species’ biogeographic distributions and natural history attributes. By evaluating multiple species and climate stressors, the approach allows an assessment of climate vulnerability across habitat types and the impact of specific climate alterations as well as their cumulative impact. A website with a rule-based application for rockfish and crabs is availalble at http://cbrat.org/. Categories: Data, Project; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: 2011, AK-0, AK-1, Academics & scientific researchers, Applications and Tools, All tags... BIOSPHERIC INDICATORS, CA-2, CA-2, CA-2, CA-2, Changes in sea level and coastal storms, Climate Change, Coastal shorelines and estuaries, Conservation Planning, Conservation Planning, Federal resource managers, Fjord Lands, Fjord Lands, Fjord Lands, Fjord Lands, Gulf of Alaska, Gulf of Alaska, Gulf of Alaska, Gulf of Alaska, LCC, LCC Network Science Catalog, LCC Network Science Catalog - LCCScienceCatalog, NPLCC, NPLCC, NPLCC, Nearshore marine species, North Pacific Landscape Conservation Cooperative, North Pacific Landscape Conservation Cooperative, Northern California, Northern California, Northern California, Northern California, OR-1, OR-1, OR-1, OR-1, OR-4, OR-4, OR-4, OR-4, OR-5, OR-5, OR-5, OR-5, Oregon, Oregon, Oregon, Oregon, Population & Habitat Evaluation/Projection, Population & Habitat Evaluation/Projection, Pre-Strategy, 2013, Project, Puget Sound, Puget Sound, Puget Sound, Puget Sound, Report, Science Project, State agencies, Vulnerability Assessment, Vulnerability Assessment, Vulnerability Assessment, WA-2, WA-2, WA-2, WA-2, WA-3, WA-3, WA-3, WA-3, WA-6, WA-6, WA-6, WA-6, WA-7, WA-7, WA-7, WA-7, WA-9, WA-9, WA-9, WA-9, biota, climate change, climate change, climate change, climate change, completed, environment, nearshore habitats, nearshore habitats, nearshore habitats, nearshore habitats, nearshore species, nearshore species, onGoing, Fewer tags Trackline navigation collected with a Reson 7160 Multibeam echosounder in the eastern Gulf of Alaska during USGS Field Activity 2016-625-FA (Esri polyline shapefile, UTM 8 WGS 84) Marine geophysical mapping of the Queen Charlotte Fault in the eastern Gulf of Alaska was conducted in 2016 as part of a collaborative effort between the U.S. Geological Survey and the Alaska Department of Fish and Game to understand the morphology and subsurface geology of the entire Queen Charlotte system. The Queen Charlotte fault is the offshore portion of the Queen Charlotte-Fairweather Fault: a major structural feature that extends more than 1,200 kilometers from the Fairweather Range of southern Alaska to northern Vancouver Island, Canada. The data published in this data release were collected along the Queen Charlotte Fault between Cross Sound and Noyes Canyon, offshore southeastern Alaska from May 18 to... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: ADFG, Alaska Department of Fish and Game, Baranof Fan, Baranof Island, CMHRP, All tags... Chatham Strait, Chichagof Island, Coastal and Marine Hazards and Resources Program, Cross Sound, GeoscientificInformation, Gulf of Alaska, Heceta Knoll, Icy Point, Location, North Pacific Ocean, Noyes Canyon, Pacific Coastal and Marine Science Center, Pacific Ocean, Queen Charlotte Fault, R/V Medeia, Reson 7160, TerraSond, U.S. Geological Survey, USGS, United States of America, Woods Hole Coastal and Marine Science Center, Yakobi Sea Valley, multibeam, seafloor, tracklines, Fewer tags Digital seafloor character data of the Gulf of Alaska from historical National Ocean Service (NOS) smooth sheets This data release provides seafloor-characteristics point data across the Gulf of Alaska, as digitized directly from National Oceanic and Atmospheric Administration (NOAA) National Ocean Service (NOS) smooth sheets published from 1892 to 2001, and archived at the National Geophysics Data Center (NGDC). Geo-rectification and digitization methods were adapted from Zimmermann and Benson (2013). Each location includes information for the smooth sheet number (H#####), a unique site number location, latitude, longitude, collection date, seafloor notation, and the translation of the notation. Unique site numbers were assigned randomly to each notation on a smooth sheet, starting at “_0”. Examples of seafloor notations... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Alaska, CMGP, Coastal and Marine Geology Program, Gulf of Alaska, Marine Habitat, All tags... PCMSC, Pacific Coastal and Marine Science Center, Physical Habitats and Geomorphology, Physical Habitats and Geomorphology, Substrate, Substrate, U.S. Geological Survey, USGS, ecosystems, fisheries biology, geoscientificInformation, grain-size analysis, oceans, relative abundance analysis, Fewer tags Digital seafloor character data of the Gulf of Alaska from historical National Ocean Service (NOS) smooth sheets In 2012, US Geological Survey (USGS) and National Oceanic & Atmospheric Administration (NOAA) embarked on an ambitious project to digitize surficial seafloor data from existing National Ocean Service (NOS) smooth sheets in the Gulf of Alaska including numerous bays bordering the Gulf. USGS and NOAA are using the data for the nation-wide usSEABED project that seeks to compile and unify existing seafloor characterization point data into GIS-friendly data using the dbSEABED program (Jenkins, 1997; Reid and others, 2005; Buczkowski and others, 2006; Reid and others, 2006) and for the North Pacific Research Board’s Gulf of Alaska Integrated Ecosystems Research Program (NPRB, GOA-IERP, http://www.nprb.org/gulf-of-alaska-project)... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alaska, CMG, CMGP, Coastal and Marine Geology Program, Earth Science > Biosphere > Aquatic Ecosystems > Marine Habitat, All tags... Gulf of Alaska, Marine Geology, PCMSC, Pacific Coastal and Marine Science Center, U.S. Geological Survey, USGS, data release, ecosystem, ecosystem, fisheries, fisheries, geoscientificinformation, grain-size analysis, grainsize, grainsize, natural resources, oceans, theme, Fewer tags