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Geospatial characterization of salt marshes in Connecticut (ver. 2.0, April 2024 This data release contains coastal wetland synthesis products for the state of Connecticut. Metrics for resiliency, including the unvegetated to vegetated ratio (UVVR), marsh elevation, tidal range, wave power, and exposure potential to environmental health stressors are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing federal, state, and local managers with tools to estimate the vulnerability and ecosystem service potential of these wetlands. For... Tags: Connecticut, Long Island Sound, United States, coastal ecosystems, coastal processes, All tags... environment, estuary, geospatial datasets, inlandWaters, marsh health, none, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Unvegetated to vegetated ratio at Thompsons Beach and Stone Harbor, New Jersey from 2014 to 2018 In 2012, Hurricane Sandy struck the Northeastern US causing devastation among coastal ecosystems. Post-hurricane marsh restoration efforts have included sediment deposition, planting of vegetation, and restoring tidal hydrology. The work presented here is part of a larger project funded by the National Fish and Wildlife Foundation (NFWF) to monitor the post-restoration ecological resilience of coastal ecosystems in the wake of Hurricane Sandy. The U.S. Geological Survey Woods Hole Coastal and Marine Science Center made in-situ observations during 2018-2019 and 2022-2023 at two sites: Thompsons Beach, NJ and Stone Harbor, NJ. Marsh creek hydrodynamics and water quality including currents, waves, water levels, water... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic, Hurricane Sandy, National Fish and Wildlife Foundation, New Jersey, Stone Harbor, All tags... Thompsons Beach, UVVR, coastal ecosystems, coastal processes, geospatial datasets, inlandWaters, marsh resilience, oceans, vegetation, wetland ecosystems, wetland functions, Fewer tags Wetland vegetation and elevation survey within the Timucuan Ecological and Historic Preserve, Jacksonville, Florida, 2021–2022 Vegetation and elevation data were collected using a real-time kinematic global positioning system (RTK GPS) in coastal wetlands at the National Park Service’s Timucuan Ecological and Historic Preserve in summer 2021 and winter 2022 (n = 362). For each 0.5-by-0.5 m plot, the following data were collected: 1) percent cover by vegetation species; 2) percent cover by vegetation classes based on height (that is, carpet, herbaceous, and woody); 3) mean height of the dominant species; 4) water depth; 5) marsh class based on dominant vegetation species; and 6) location and elevation (that is, northing, easting, and elevation). Categories: Data; Tags: Duval, Ecology, Florida, Geography, Nassau, All tags... Remote Sensing, South Atlantic, Timucuan Ecological And Historic Preserve, USGS Science Data Catalog (SDC), United States, biota, coastal ecosystems, elevation, environment, geoscientificInformation, wetland ecosystems, Fewer tags Rate of shoreline change of marsh units in eastern Long Island salt marsh complex, New York (ver. 2.0, March 2024) This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks, Gardiners Island, and Fishers Island. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, mean tidal range, and shoreline change rate are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, Long Island Sound, Moriches Bay, New York, Peconic Bay, All tags... Shinnecock Bay, Suffolk County, United States, accretion, coastal ecosystems, coastal processes, coastline, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, polygon shapefile, resilience, salt marsh, sediment, shoreline, tides (oceanic), vegetation, vulnerability, wetland ecosystems, wetland functions, Fewer tags Coastal wetlands of eastern Long Island, New York (ver. 2.0, March 2024) This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks, Gardiners Island, and Fishers Island. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and mean tidal range, are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing Federal, State,... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Atlantic Ocean, LTER, Long Island Sound, Long-Term Ecological Research, Moriches Bay, All tags... New York, Peconic Bay, Shinnecock Bay, Suffolk County, USGS Science Data Catalog (SDC), United States, coastal ecosystems, coastal processes, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Vegetation and geomorphic surfaces in the Elwha River delta, Washington, after dam removal, derived from 2016 and 2018 aerial imagery and 2007, 2014, and 2018 field surveys Removal of two large dams from the Elwha River, Washington USA, in 2011-2014 released ~20.5 metric tons (Mt) of impounded sediment, ~5.4 Mt of which was deposited in the river delta and estuary. This dataset presents measurements of geomorphic surfaces, vegetation colonization, and plant community development in the Elwha River delta and estuary after dam removal. Geomorphic surfaces and vegetation colonization were estimated from aerial imagery of the delta and estuary in 2016 and 2018. Plant community development was quantified from field plot surveys of pioneer plant communities on new surfaces in 2014 and 2018 and of established delta and estuarine plant communities on older surfaces in 2007, 2014, and 2018.... Tags: Clallam County, Ecology, Elwha River, Geomorphology, Olympic Peninsula, All tags... Port Angeles, Remote Sensing, USGS Science Data Catalog (SDC), United States of America, Washington, biota, coastal ecosystems, coastal processes, dam, dam removal, ecological change, ecological processes, environment, geomorphology, geoscientificInformation, geospatial datasets, habitats, human impacts, human impacts on habitats, vegetation, Fewer tags Data describing hypoxia vulnerability in the salmon watersheds of Southeast Alaska This .zip file contains five products that will allow users to recreate the analyses and spatial data figures used in Sergeant et al. 2023, Hypoxia Vulnerability in the Salmon Watersheds of Southeast Alaska: 1) Hypoxia vulnerability calculations (.csv file) at water temperature monitoring sites, 2) Hypoxia vulnerability calculations (.csv file) for stream reaches near hatchery release sites, 3) Habitat characteristics (.csv file) at water temperature monitoring sites, 4) R code (.R file) for recreating Figure 3, modeled contours of the estimated number of pink salmon/m2 to create hypoxia in Southeast Alaska streams across all potential combinations of velocity, depth, and water temperature, 5) Esri map package (.mpk... Tags: Alaska, Aquatic Biology, Coastal ecosystems, Dissolved oxygen, Hatchery, All tags... Pacific salmon, Reaeration, USGS Science Data Catalog (SDC), Water temperature, biota, farming, Fewer tags Elevation of marsh units in Chesapeake Bay salt marshes This data release contains coastal wetland synthesis products for Chesapeake Bay. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and tidal range are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing federal, state, and local managers with tools to estimate the vulnerability and ecosystem service potential of these wetlands. For this purpose, the response and resilience of coastal wetlands to physical factors... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Chesapeake Bay, Maryland, North Carolina, United States, Virginia, All tags... coastal ecosystems, coastal processes, elevation, elevation, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Coastal wetlands of eastern Long Island, New York Note: this data release is under revision and is temporarily unavailable. This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks, Gardiners Island, and Fishers Island. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and mean tidal range, are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Atlantic Ocean, Environmental Health, LTER, Long Island Sound, Long-Term Ecological Research, All tags... Marine Geology, Moriches Bay, New York, Peconic Bay, Shinnecock Bay, Suffolk County, United States, Water Quality, coastal ecosystems, coastal processes, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Lifespan of marsh units in Maine salt marshes This data release contains coastal wetland synthesis products for the state of Maine. Metrics for resiliency, including the unvegetated to vegetated ratio (UVVR), marsh elevation, tidal range, and lifespan, are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing federal, state, and local managers with tools to estimate the vulnerability and ecosystem service potential of these wetlands. For this purpose, the response and resilience of coastal wetlands... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Acadia National Park, Maine, United States, coastal ecosystems, coastal processes, All tags... elevation, environment, estuarine processes, estuary, geospatial datasets, inlandWaters, lifespan, marsh health, oceans, salt marsh, sea-level change, sediment transport, vegetation, wetland ecosystems, wetland functions, Fewer tags Digitized mangrove-marsh ecotone boundaries for Everglades National Park and Big Cypress National Preserve (Florida, USA) in 2013 and 2019 This dataset consists of a file geodatabase containing the digitized ecotone boundaries between mangroves and freshwater marsh in 2013 and 2019 at 14 systematically selected segments in Big Cypress National Preserve and Everglades National Park (southwest Florida, USA). Tags: Big Cypress National Preserve, Ecology, Everglades National Park, Remote Sensing, USGS Science Data Catalog (SDC), All tags... United States, biogeography, coastal ecosystems, ecosystem monitoring, geospatial datasets, remote sensing, southern Florida, spatial analysis, wetland ecosystems, Fewer tags Unvegetated to vegetated ratio of marsh units in eastern Long Island salt marsh complex, New York (ver. 2.0, March 2024) This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks, Gardiners Island, and Fishers Island. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and mean tidal range, are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing Federal, State,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, LTER, Long Island Sound, Long-Term Ecological Research, Moriches Bay, All tags... New York, Peconic Bay, Shinnecock Bay, Suffolk County, UVVR, United States, coastal ecosystems, coastal processes, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Mean tidal range of marsh units in eastern Long Island salt marsh complex, New York (ver. 2.0, March 2024) This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks, Gardiners Island, and Fishers Island. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and mean tidal range, are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing Federal, State,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, LTER, Long Island Sound, Long-Term Ecological Research, Moriches Bay, All tags... New York, Peconic Bay, Shinnecock Bay, Suffolk County, United States, coastal ecosystems, coastal processes, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, tidal range, tides (oceanic), vegetation, wetland ecosystems, wetland functions, Fewer tags Exposure potential of marsh units to environmental health stressors in eastern Long Island salt marsh complex, New York (ver. 2.0, March 2024) This data release contains coastal wetland synthesis products for the geographic region of eastern Long Island, New York, including the north and south forks, Gardiners Island, and Fishers Island. Metrics for resiliency, including unvegetated to vegetated ratio (UVVR), marsh elevation, and mean tidal range, are calculated for smaller units delineated from a Digital Elevation Model, providing the spatial variability of physical factors that influence wetland health. Through scientific efforts initiated with the Hurricane Sandy Science Plan, the U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing Federal, State,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Atlantic Ocean, LTER, Long Island Sound, Long-Term Ecological Research, Moriches Bay, All tags... New York, Peconic Bay, Shinnecock Bay, Suffolk County, United States, coastal ecosystems, coastal processes, environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, tidal range, tides (oceanic), vegetation, wetland ecosystems, wetland functions, Fewer tags Geospatial characterization of salt marshes in Maine This data release contains coastal wetland synthesis products for the state of Maine. Metrics for resiliency, including the unvegetated to vegetated ratio (UVVR), marsh elevation, tidal range, and lifespan, are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing federal, state, and local managers with tools to estimate the vulnerability and ecosystem service potential of these wetlands. For this purpose, the response and resilience of coastal wetlands... Tags: Acadia National Park, Maine, United States, coastal ecosystems, coastal processes, All tags... environment, estuary, geospatial datasets, inlandWaters, marsh health, none, oceans, salt marsh, vegetation, wetland ecosystems, wetland functions, Fewer tags Mean tidal range of marsh units in Maine salt marshes This data release contains coastal wetland synthesis products for the state of Maine. Metrics for resiliency, including the unvegetated to vegetated ratio (UVVR), marsh elevation, tidal range, and lifespan, are calculated for smaller units delineated from a digital elevation model, providing the spatial variability of physical factors that influence wetland health. The U.S. Geological Survey has been expanding national assessment of coastal change hazards and forecast products to coastal wetlands with the intent of providing federal, state, and local managers with tools to estimate the vulnerability and ecosystem service potential of these wetlands. For this purpose, the response and resilience of coastal wetlands... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Acadia National Park, Maine, United States, coastal ecosystems, coastal processes, All tags... environment, estuary, geospatial datasets, inlandWaters, marsh health, oceans, salt marsh, tidal range, tides (oceanic), vegetation, wetland ecosystems, wetland functions, Fewer tags Everglades mangrove vegetation data from 23 long-term plots (1992-2011) Twenty-three long-term mangrove vegetation plots were established between 1992-1997 within the southwest coastal region of Everglades National Park (Florida, USA) to quantify tree damage and recovery following hurricanes and to understand the effects of global climate change. Many of the mangrove vegetation plots were associated with hydrology, soil porewater, and soil surface elevation monitoring stations. Within each plot, trees were tagged, mapped, and identified to species. The diameter at breast height (DBH) and status of each tree were measured at one to two year intervals through 2011. This dataset includes 51,730 tree measurements. Categories: Data; Tags: Ecology, Everglades National Park, Forestry, Southern Florida, Tidal Mangrove Forest, All tags... Tidal Mangrove Shrubland, USGS Science Data Catalog (SDC), United States, aquatic vegetation, climate change, coastal ecosystems, ecosystem monitoring, field inventory and monitoring, long-term ecological monitoring, plot sampling, population and community ecology, population dynamics, vegetation, wetland ecosystems, Fewer tags Corrected digital elevation model in coastal wetlands in Nassau and Duval Counties, Florida, 2018 High-resolution elevation data provide a foundational layer needed to understand regional hydrology and ecology under contemporary and future-predicted conditions with accelerated sea-level rise. While the development of digital elevation models (DEMs) from light detection and ranging data has enhanced the ability to observe elevation in coastal zones, the elevation error can be substantial in densely vegetated coastal wetlands. In response, we developed a machine learning model to reduce vertical error in coastal wetlands for a 1-m DEM from 2018 that covered Nassau and Duval Counties, Florida. Error was reduced by using a random forest regression model within situ observations and predictor variables from optical... Tags: Duval, Ecology, Florida, Geography, Nassau, All tags... Remote Sensing, South Atlantic, Timucuan Ecological And Historic Preserve, USGS Science Data Catalog (SDC), United States, coastal ecosystems, coastal elevation error reduction, digital elevation models, elevation, elevation error, geoscientificInformation, imageryBaseMapsEarthCover, machine learning, random forest regression model, wetland ecosystems, Fewer tags Slope Values Across Marsh-Forest Boundary in Chesapeake Bay Region, USA The marsh-forest boundary in the Chesapeake Bay was determined by geoprocessing high-resolution (1 square meter) land use and land cover data sets. Perpendicular transects were cast at standard intervals (30 meters) along the boundary within a GIS by repurposing the Digital Shoreline Analysis System (DSAS) Version 5.0, an ArcGIS extension developed by the U.S. Geological Survey. Average and maximum slope values were assigned to each transect from surface elevation data. The same values were also provided as points at the center of the transect where it crossed over the boundary. The slope values across the marsh-forest transition zone and at the boundary itself provide comprehensive data layers for local, state,... Tags: Blackwater National Wildlife Refuge, Chesapeake Bay, Delmarva Peninsula, Digital Shoreline Analysis System (DSAS), Maryland, All tags... Remote Sensing, Virginia, biota, coastal ecosystems, coastal forest, coastal processes, geoscientificInformation, geospatial datasets, ghost forest, remote sensing, salt marsh, wetland ecosystems, wetland functions, Fewer tags Amplified Fragment Length Polymorphism (AFLP) data obtained for 34 long-tailed vole (Microtus longicaudus) individuals at 91 loci Prior to removal of pest species from an area, resource managers must determine if re-immigration from another population is possible. Voles inhabiting Saddle Rock on the southern Oregon coast are suspected to be partially responsible for declines in the Leach's storm petrel colony on the island. The island is very close to the mainland, and it is potentially accessible during below-average low tides. USGS scientists Mark Miller and Susan Haig and colleagues used genetic techniques to assess island vole population connectivity. Categories: Data; Tags: AFLP, Amplified Fragment Length Polymorphism, Crook Point, Curry, Curry County, OR, All tags... Ecology, Genetics, Oregon, Oregon Islands National Wildlife Refuge, Saddle Rock, Southern Oregon Coastal, USGS Science Data Catalog (SDC), Wildlife Biology, biogeography, biological population management, biota, coastal ecosystems, ecology, environment, genetic analysis, genetics, island ecosystems, mammal genetic variation, mammalogy, pest management, pest species, wildlife population management, Fewer tags 1 2 3 »