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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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These vector contour lines are derived from the 3D Elevation Program using automated and semi-automated processes. They were created to support 1:24,000-scale CONUS and Hawaii, 1:25,000-scale Alaska, and 1:20,000-scale Puerto Rico / US Virgin Island topographic map products, but are also published in this GIS vector format. Contour intervals are assigned by 7.5-minute quadrangle, so this vector dataset is not visually seamless across quadrangle boundaries. The vector lines have elevation attributes (in feet above mean sea level on NAVD88), but this dataset does not carry line symbols or annotation.
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The original time series and cross power data were stored in Binary format on 3.5" disks until further conversion was needed. To convert the time series and cross power data to a format that can be used for modeling, the original binary files were converted to ASCII format using Basic 4.0 code and associated subroutines (see Magnetotelluric_Original-Code_Binary-to-Ascii.txt and Magnetotelluric_Original-Code_Binary-to-Ascii-Subroutines.txt attached to the binary data ScienceBase item). The DaR project used these converted ASCII format files to create the EDI format files included in this data release. The binary data are considered the original data for the magnetotelluric survey, therefore, they are provided with...
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This portion of the USGS data release presents bathymetry data collected during surveys performed in northern Monterey Bay, California in September 2016 (USGS Field Activity Number 2016-674-FA). Bathymetry data were collected using a personal watercraft (PWC) and small boat equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The sonar systems consisted of an Odom Echotrac CV-100 single-beam echosounder and 200 kHz transducer with a 9° beam angle. Raw acoustic backscatter returns were digitized by the echosounder with a vertical resolution of 1.25 cm. Depths from the echosounders were computed using sound velocity profiles measured using a YSI CastAway CTD during the survey....
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This portion of the USGS data release presents topography data collected during surveys performed along northern Monterey Bay, California, in March 2017 (USGS Field Activity Number 2017-620-FA). Topographic profiles were collected on foot with GNSS receivers mounted on backpacks. Prior to data collection, vertical distances between the GNSS antennas and the ground were measured using a tape measure. Hand-held data collectors were used to log raw data and display navigational information allowing surveyors to navigate survey lines spaced at 50- to 250-m intervals along the beach. Profiles were surveyed from the landward edge of the study area (either the base of a bluff, engineering structure, or just landward of...
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This part of DS 781 presents data for the sediment-thickness map of the Pigeon Point to Monterey, California, region. The raster data file is included in "SedimentThickness_PigeonPointToSouthMontereyBay.zip," which is accessible from http://dx.doi.org/10.5066/F7F47M6T As part of the USGS's California State Waters Mapping Project, a 50-m grid of sediment thickness for the seafloor within the 3-nautical mile limit between Pigeon Point and Monterey was generated from seismic-reflection data collected in 2009 and 2012 (USGS activities S-15-10-NC, S-06-11-MB and S-N1-09-MB) supplemented with outcrop and geologic structure from DS 781. The resulting grid covers an area of approximately 860 sq km. The volume of sediment...
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This portion of the USGS data release presents bathymetry data collected during surveys performed in northern Monterey Bay, California in March 2016 (USGS Field Activity Number 2016-627-FA). Bathymetry data were collected using two personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The sonar systems consisted of an Odom Echotrac CV-100 single-beam echosounder and 200 kHz transducer with a 9° beam angle. Raw acoustic backscatter returns were digitized by the echosounder with a vertical resolution of 1.25 cm. Depths from the echosounders were computed using sound velocity profiles measured using a YSI CastAway CTD during the survey. Positioning...
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This part of DS 781 presents data for 2-m and 5-m bathymetry and shaded-relief maps of Offshore of Monterey map area, California. The raster data file is included in "BathymetryHS_2m_OffshoreMonterey.zip," which is accessible from http://dx.doi.org/10.3133/ofr20161110. The 2-m and 5-m bathymetry and shaded-relief maps of Offshore of Monterey map area, California, was generated from acoustic bathymetry data collected by California State University, Monterey Bay (CSUMB) and by Monterey Bay Aquarium Research Institute (MBARI), as well as from bathymetric lidar data collected by the U.S. Army Corps of Engineers, Joint Airborne Lidar Bathymetry Center of Expertise (JALBTCX). Acoustic mapping was completed between 1998...
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This part of DS 781 presents data for the folds for the geologic and geomorphic map of the Offshore Monterey map area, California. The vector data file is included in "Folds_OffshoreMonterey.zip," which is accessible from http://dx.doi.org/10.3133/ofr20161110. The shelf north and east of the Monterey Bay Peninsula in the Offshore of Monterey map area is cut by a diffuse zone of northwest striking, steeply dipping to vertical faults comprising the Monterey Bay Fault Zone (MBFZ). This zone, originally mapped by Greene (1977, 1990), extends about 45 km across Monterey Bay (Map E on sheet 9). Fault strands within the MBFZ are mapped with high-resolution seismic-reflection profiles (sheet 8). Seismic-reflection profiles...
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This part of DS 781 presents data for the paleoshorelines for the geologic and geomorphic map of Offshore Monterey, California. The vector data file is included in "Paleoshorelines_OffshoreMonterey.zip," which is accessible from http://dx.doi.org/10.3133/ofr20161110. Sea level has risen about 125 to 130 m over about the last 21,000 years (for example, Stanford and others, 2011), leading to broadening of the continental shelf, progressive eastward migration of the shoreline, and associated transgressive erosion and deposition. Sea-level rise was apparently not steady, leading to development of a submerged shoreline along the flank of Carmel Canyon (water depths of 80 to 90 m) during a relative stillstand. Paleoshorelines...
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This part of the data release presents topography data from northern Monterey Bay, California collected in March 2016 using a tripod-mounted Riegl VZ-1000 lidar scanner (USGS Field Activity 2016-627-FA). For each area surveyed, the scanner was placed at several positions which were selected to provide maximum line-of-sight coverage of the area of interest. Scans were typically conducted in panoramic mode, creating a detailed point cloud of all unobstructed surfaces in a 360 degree view of the scanner. At each scan position, co-registered photographic imagery was also collected with a scanner mounted DSLR camera. Scanner registration was performed by placing four or more cylindrical or flat reflective tripod-mounted...


map background search result map search result map Folds--Offshore of Monterey Map Area, California Sediment Thickness--Pigeon Point to Monterey, California Bathymetry Hillshade [2m]--Offshore of Monterey Map Area, California Paleoshorelines--Offshore Monterey Map Area, California USGS Topo Map Vector Data (Vector) 11067 Curry Mountain, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14552 Espinosa Canyon, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 75961 Cape San Martin OE W, California 20181005 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17675 Gonzales, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 18388 Greenfield, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27701 Marina, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34263 Parkfield, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34086 Pancho Rico Valley, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 40395 Seaside, California 20180920 for 7.5 x 7.5 minute Shapefile Nearshore bathymetry data from northern Monterey Bay, California, March 2016 Terrestrial lidar data from northern Monterey Bay, California, March 2016 Nearshore bathymetry data from northern Monterey Bay, California, September 2016 Topography data from northern Monterey Bay, California, March 2017 Magnetotelluric Data from the San Andreas Fault, Parkfield CA, 1990: Binary Data USGS NED 1/3 arc-second Contours for Monterey E, California 20181001 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Monterey W, California 20181001 1 X 1 degree FileGDB 10.1 Terrestrial lidar data from northern Monterey Bay, California, March 2016 Folds--Offshore of Monterey Map Area, California USGS Topo Map Vector Data (Vector) 11067 Curry Mountain, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 14552 Espinosa Canyon, California 20180919 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 75961 Cape San Martin OE W, California 20181005 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 17675 Gonzales, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 18388 Greenfield, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 27701 Marina, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34263 Parkfield, California 20180920 for 7.5 x 7.5 minute FileGDB 10.1 USGS Topo Map Vector Data (Vector) 34086 Pancho Rico Valley, California 20180920 for 7.5 x 7.5 minute Shapefile USGS Topo Map Vector Data (Vector) 40395 Seaside, California 20180920 for 7.5 x 7.5 minute Shapefile Magnetotelluric Data from the San Andreas Fault, Parkfield CA, 1990: Binary Data Nearshore bathymetry data from northern Monterey Bay, California, September 2016 Topography data from northern Monterey Bay, California, March 2017 Paleoshorelines--Offshore Monterey Map Area, California Bathymetry Hillshade [2m]--Offshore of Monterey Map Area, California Nearshore bathymetry data from northern Monterey Bay, California, March 2016 Sediment Thickness--Pigeon Point to Monterey, California USGS NED 1/3 arc-second Contours for Monterey E, California 20181001 1 X 1 degree FileGDB 10.1 USGS NED 1/3 arc-second Contours for Monterey W, California 20181001 1 X 1 degree FileGDB 10.1