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Location Folder Show Tree ROOT _ScienceBase Catalog __Featured Items Bathymetry, topography, and sediment grain-size data from the Elwha River delta, Washington Beach topography and nearshore bathymetry of northern Monterey Bay, California Boat ramp locations within the Columbia River Basin with associated recreational use, water quality measurements, and risk assessment data for zebra and quagga mussels Data from coastal circulation and water-column properties in the National Park of American Samoa, February-July 2015 Detailed geologic mapping geodatabase for the Blue Ridge Parkway in Virginia with station point photographs More... Filters Date Range Past year (3) Past month (0) Past week (0) Past day (0) Custom range... To   Search Types Map Service (3) OGC WMS Layer (3) OGC WMS Service (3) Contacts U.S. Geological Survey - ScienceBase Andrew W Stevens PCMSC Science Data Coordinator Natural Hazards Curt Storlazzi More... Categories Data (3) Tag Types Theme (1) Place (2) Label (1) USGS Scientific Topic Keyword (3) Tag Schemes None (1) USGS Thesaurus (1) Geographic Names Information System (GNIS) (1) Marine Realms Information Bank (MRIB) Keywords (1) Global Change Master Directory (GCMD) (1) Data Categories for Marine Planning (1) ISO 19115 Topic Category (1) View Results as: JSON ATOM CSV Browse Folder

Beach topography and nearshore bathymetry of northern Monterey Bay, California This data release presents beach topography and nearshore bathymetry data from repeated surveys in northern Monterey Bay, California to document changes in shoreline position and coastal morphology as they relate to episodic (storms), seasonal, and interannual and longer (e.g. El Niño) processes. The ongoing monitoring program was initiated in October 2014 with semi-annual surveys performed in late summer (September or October) and Spring (March). Nearshore bathymetry and topography data were collected along a series of shore-perpendicular transects spaced primarily at 50-250 m intervals between Santa Cruz and Moss Landing, California (fig. 1). The transects were located along sandy stretches of the coastline... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMGP, Coastal and Marine Geology Program, Echo Sounders, GPS (Global Positioning System), All tags... GPS measurement, Geophysics, Global Positioning System (GPS) observations, LIDAR, Monterey Bay, Monterey County, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Santa Cruz County, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, coastal sediment budget, digital elevation models, elevation, single-beam echo sounder, topographic mapping, topography, Fewer tags Digital image mosaics of the nearshore coastal waters of selected areas on the Hawaiian Islands of Hawai‘i, Maui, Moloka‘i, and O‘ahu generated using aerial photographs and SHOALS airborne lidar bathymetry data The lack of geographic and thematic maps of coral reefs limits our understanding of reefs and our ability to assess change. The U.S. Geological Survey (USGS) has the capability to compile digital image mosaics that are useful for creating detailed map products. Image maps covering the shallow near-shore coastal waters have been produced for several of the main Hawaiian Islands, including Hawai‘i, Maui, Moloka‘i, and O‘ahu and are presented in JPEG2000 (.jp2) format. The digital-image mosaics were generated by first scanning historical aerial photographs. At the time, available satellite image resolutions were not acceptable and the aerial photographs used were the best option. The individually scanned digital... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: CMG, CMGP, Coastal and Marine Geology Program, Hawai'i, Maui, All tags... Moloka'i, O'ahu, PCMSC, Pacific Coastal and Marine Science Center, Remote Sensing, U.S. Geological Survey, USGS, data release, Fewer tags Data from coastal circulation and water-column properties in the National Park of American Samoa, February-July 2015 In 2015, U.S. Geological Survey (USGS) and U.S. National Park Service (NPS) researchers began a collaborative study to determine coastal circulation patterns and water-column properties along north-central Tutuila, in an area focused on NPSA’s Tutuila Unit and its coral reef ecosystem. The continuous measurements of waves, currents, tides, and water-column properties (temperature and salinity) from these instrument deployments, coupled with available meteorological measurements of wind and rainfall, provide information on nearshore circulation and the variability in these hydrodynamic properties for NPSA’s Tutuila Unit. These data will complement ongoing and future water quality efforts along north-central Tutuila... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Geophysics