Filters: Tags: aerial photographs (X) > Types: OGC WFS Layer (X)

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Collection of New Jersey Boundary Maps and Notes This collection contains maps and notes with information on state boundaries with New York and Delaware as well as some municipal and county boundaries. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Aerial photographs, Boundary, County, Delaware, Geological Collection, All tags... Maps, Municipal, New Jersey, New York, ndc_collection, Fewer tags Aerial photographs from the Yampa and Little Snake Rivers in northwest Colorado used to characterize channel changes occurring between 1954 and 1961 Aerial photographs of the Yampa and Little Snake Rivers acquired in 1954 and 1961 were used to examine channel changes occurring along these two rivers during this time period. In addition, these data were used to develop and test a generalizable new approach to characterizing the uncertainty associated with analyses of channel change based on time series of remotely sensed data, which we term the Spatially Distributed Probabilistic (SDP) method. This technique accounts for errors introduced during: 1) image co-registration and geo-referencing; 2) interpreting the location of the channel boundary; and 3) digitizing the channel boundary. The method provides a probability distribution of channel locations and can... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Channel change, Colorado (CO), Deerlodge, Geo-referencing, Geomorphology, All tags... Little Snake River, Remote Sensing, Remote sensing, River, USGS Science Data Catalog (SDC), Uncertainty, Yampa River, aerial photographs, Fewer tags 1975 Upper Mississippi River System Color Infrared Aerial Photographs: Pool 05 This dataset consists of digital scans of color infrared aerial photography from the Upper Mississippi River collected in 1975. Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Minnesota, Mississippi River, Upper Mississippi River, Wisconsin, aerial photographs, All tags... air photos, color infrared, photography, Fewer tags Historical Shorelines for Puerto Rico from 1901 to 1987 The U.S. Geological Survey (USGS) maintains shoreline positions for the United States coasts from both older sources, such as aerial photograph or topographic surveys, and contemporary sources, such as lidar-point clouds and digital elevation models. These shorelines are compiled and analyzed in the Digital Shoreline Analysis System software (v5.1) to compute their rates of change. Keeping a record of historical shoreline positions is an effective method to monitor change over time, enabling scientists to identify areas most susceptible to erosion or accretion. These data can help coastal managers understand which areas of the coast are vulnerable to change. This data release, and other associated products, represent... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Aerial Photographs, Atlantic Ocean, Caribbean, Coastal and Marine Geology Program, Digital Shoreline Analysis System (DSAS), All tags... Geography, Geomorphology, High Water Line, Historical Shorelines, Puerto Rico, Shoreline, Shoreline Change, T-sheet, U.S. Geological Survey (USGS), USGS, United States, Wet/Dry Line, Woods Hole Coastal and Marine Science Center (WHCMSC), Fewer tags