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Location Folder Show Tree ROOT ScienceBase Catalog Users Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions ArcGIS Service Definition (1) Raster (1) Shapefile (1) Types Downloadable (2) OGC WFS Layer (2) OGC WMS Layer (2) ArcGIS REST Map Service (1) ArcGIS Service Definition (1) More... Contacts Karen M Thorne Kevin J Buffington U.S. Geological Survey - ScienceBase Amy S. Farris Megan La Peyre More... Categories Data (3) Tags (with Type=Theme and Scheme=Marine Realms Information Bank (MRIB) keywords) marsh (3) estuary (2) lidar (2) wetlands (2) aquatic vegetation (1) biota (1) cmgp (1) More... View Results as: JSON ATOM CSV Browse Folder

LEAN-Corrected Collier County DEM for wetlands Lidar-derived digital elevation models often contain a vertical bias due to vegetation. In areas with tidal influence the amount of bias can be ecologically significant, for example, by decreasing the expected inundation frequency. We generated a corrected digital elevation model (DEM) for wetlands throughout Collier county using a modification of the Lidar Elevation Adjustment with NDVI (LEAN) technique (Buffington et al. 2016). GPS survey data (15,223 points), NAIP-derived Normalized Difference Vegetation Index (2010), a 10 m lidar DEM from 2007, and a 10 m canopy surface model were used to generate a model of predicted bias across marsh, mangrove, and cypress habitats. The predicted bias was then subtracted from... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, GeoTIFF, Map Service, Raster; Tags: Collier county, Remote Sensing, USGS Science Data Catalog (SDC), biota, cypress, All tags... digital elevation models, estuary, lidar, mangroves, marsh, wetlands, Fewer tags Marsh shorelines of the Massachusetts coast from 2013-14 topographic lidar data The Massachusetts Office of Coastal Zone Management (CZM) launched the Shoreline Change Project in 1989 to identify erosion-prone areas of the Massachusetts coast. Seventy-six maps were produced in 1997 depicting a statistical analysis of shoreline change on ocean-facing shorelines from the mid-1800s to 1978 using multiple data sources. In 2001, a 1994 shoreline was added. More recently, in cooperation with CZM, the U.S. Geological Survey (USGS) delineated a new shoreline for Massachusetts using color aerial ortho-imagery from 2008 to 2009 and topographic lidar data collected in 2007. This update included a marsh shoreline, which was defined to be the tonal difference between low- and high-marsh seen in ortho-photos.... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Bourne, CMGP, Chatham, Coastal and Marine Geology Program, Duxbury, All tags... Essex, Fairhaven, Ipswich, Kingston, LIDAR, Land Use Change, Little Bay, MA, Marine Geology, Marion, Marsh Platform, Marshfield, Massachusetts, Mattapoisett, NOAA, National Assessment of Shoreline Change Project, National Oceanic and Atmospheric Administration, Pleasant Bay, Plum Island, Plymouth, Pocasset, Quincy, Rock Island Cove, Sandwich, Shoreline, Squantum, Structural Geology, U.S. Geological Survey, USGS, WHCMSC, Wareham, Wellfleet, Woods Hole Coastal and Marine Science Center, coastal processes, coastal submergence, elevation, environment, geomorphology, geoscientificInformation, marsh, marsh edge, marsh shoreline, oceans, shore, topography, Fewer tags Submerged aquatic vegetation and environmental data for coastal areas from Texas through Alabama, 2013-2015 This projects primary goal was to provide data on occurrence and abundance of SAV resources within the fresh to saline coastal waters of the northern Gulf of Mexico, and to relate these findings to key environmental variables. The data set provides the collected data from 2013, 2014 and 2015 on site location, discrete water quality, aquatic vegetation cover and biomass by species. The same 384 sites were collected each year, between June and September. This project was co-funded by the South Central Climate Adaptation Science Center and the Gulf Coast Prairie and the Gulf Coastal Plains and Ozarks Landscape Conservation Cooperatives. An alternate reference to this product can be found here. Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Alabama, Aquatic Biology, Climatology, Gulf of Mexico, Louisiana Coastal, All tags... Mississippi Coastal, Plants, Sea-Level Rise and Coasts, South Central CASC, Texas, USGS Science Data Catalog (SDC), Water, Coasts and Ice, Wetlands, Wildlife and Plants, aquatic vegetation, estuary, marsh, wetland ecosystems, wetlands, Fewer tags