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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Wetland and Aquatic Research Center An Unvegetated to Vegetated Ratio (UVVR) for coastal wetlands of the Conterminous United States (2014-2018) Analysis of the effect of Hurricane Sandy on New Jersey Atlantic coastal marshes based on landsat thematic mapper and operational land imager data: 2000-2015 Coastal wetland area change in the Gulf of Mexico, 1985-2020 Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, 2015/2016 and 2018 land-water matrices Coastwide Reference Monitoring System (CRMS) 2005, 2008, 2012, 2015/2016, 2018, and 2021 land-water matrices, Central Louisiana More... Filters Date Range Past year (0) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Citation (2) Contacts Wetland and Aquatic Research Center Elijah W Ramsey III Ecosystems U.S. Geological Survey Nicholas M Enwright More... Categories Data (1) Tag Types Theme (3) Place (3) Harvest Set (3) USGS Scientific Topic Keyword (2) Tag Schemes None (2) ISO 19115 Topic Category (2) none (1) Common geographic areas (1) Geographic Names Information System (1) Use Common Geographic Areas (1) View Results as: JSON ATOM CSV Browse Folder

Analysis of the effect of Hurricane Sandy on New Jersey Atlantic coastal marshes based on landsat thematic mapper and operational land imager data: 2000-2015 This USGS Data Release represents geospatial data sets that were created for the analysis of the effect of Hurricane Sandy on New Jersey Atlantic Coastal Marshes. The following listed image products were generated: 1) Fifteen marsh surface condition index (MSCI) data sets were calculated from yearly summer collections of ETM+ image data from 2000 to 2015. Three classes described the results of the MSCI mapping; classs1-severely impacted, class 2-moderately impacted, and class 3-intact marsh. 2) Marsh change data product using Landsat images of July 14, 2011 (before) and July 19, 2013 (after) Hurricane Sandy is based on the difference in the percentage of vegetation. It shows a pattern of an increasing loss of marsh... Types: Citation; Tags: Atlantic County, Barnegat Bay, Cape May County, Coastal Zone, Ecology, All tags... Environmental restoration, Great Bay, Great Egg Harbor Bay, Great Egg Harbor River Estuary, Land Cover Analysis, Landsat Operational Land Imager, Landsat Thematic Mapper, Marsh Surface Condition Maps, Mid-Atlantic Coast, Monmouth County, Mullica River Estuary, New Jersey, New Jersey Intracoastal Marshes, Normalized Difference Soil Index, Normalized Difference Vegetation Index, Normalized Difference Water Index, Ocean County, Remotely Sensed Imagery, Sandy Hook, Surface Reflectance Data, Time-Series Analysis, USGS Science Data Catalog (SDC), United States, enrivonment, geoscientificInformation, imageryBaseMapsEarthCover, Fewer tags Radar and optical mapping of surge persistence and marsh dieback along the New Jersey Mid-Atlantic coast after Hurricane Sandy This study combined a radar-based time series of Hurricane Sandy surge and estimated persistence with optical sensor-based marsh condition change to assess potential causal linkages of surge persistence and marsh condition change along the New Jersey Atlantic Ocean coast. Results based on processed TerraSAR-X and COSMO-SkyMed synthetic aperture radar (SAR) images indicated that surge flooding persisted for 12 h past landfall in marshes from Great Bay to Great Egg Harbor Bay and up to 59 h after landfall in many back-barrier lagoon marshes. Marsh condition change (i.e. loss of green marsh vegetation) was assessed from optical satellite images (Satellite Pour l’Observation de la Terre and Moderate Resolution Imaging... Types: Citation; Tags: Hurricane Sandy, New Jersey, USGS Science Data Catalog (SDC), coincidence, marsh condition, All tags... surge persistence, Fewer tags Phragmites australis live fractional cover yearly map from 2009 to 2019 of the lower Mississippi River Delta using Landsat and Sentinel-2 satellite data Phragmites australis live fractional cover (LFC) maps were created of the lower Mississippi River Delta (MRD) using satellite image data. The historical 2009 to 2016 P. australis marsh LFC maps were based on yearly Landsat image data. The 2016 to 2019 P. australis marsh LFC maps were based on yearly Sentinel-2 image data. Categories: Data; Tags: Mississippi River Delta, Remote Sensing, USGS Science Data Catalog (SDC), biota, invasive plant mapping, All tags... land cover change, live fractional cover, live vegetation, scale infestation, wetland dieback, Fewer tags