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Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2014 This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2014 (USGS Field Activity Number 2014-631-FA). Bathymetry data were collected using four 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 degree 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Clatsop County, Coastal and Marine Hazards and Resources Program, Columbia River, All tags... Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Grays Harbor County, PCMSC, Pacific Coastal and Marine Science Center, Pacific County, Pacific Ocean, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, July 2016, collected from kayak This part of the data release presents bathymetry data from the Elwha River delta collected in July 2016 using a kayak. The kayak was equipped with a single-beam echosounder and a survey-grade global navigation satellite system (GNSS) receiver. Tags: Bathymetry and Elevation, Clallum County, Echo Sounders, Elwha River, GPS (Global Positioning System), All tags... GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, Strait of Juan de Fuca, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, January 2015, collected from personal watercraft This part of the data release presents bathymetry data from the Elwha River delta collected in January 2015 using two personal watercraft (PWCs). The PWCs were equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers. Tags: Bathymetry and Elevation, CMHRP, Clallum County, Coastal and Marine Hazards and Resources Program, Echo Sounders, All tags... Elwha River, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, PCMSC, Pacific Coastal and Marine Science Center, Strait of Juan de Fuca, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, January 2015, collected from kayak This part of the data release presents bathymetry data from the Elwha River delta collected in January 2015 using a kayak. The kayak was equipped with a single-beam echosounder and a survey-grade global navigation satellite system (GNSS) receiver. Tags: Bathymetry and Elevation, CMHRP, Clallum County, Coastal and Marine Hazards and Resources Program, Echo Sounders, All tags... Elwha River, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, PCMSC, Pacific Coastal and Marine Science Center, Strait of Juan de Fuca, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2020 This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2020 (USGS Field Activity Number 2020-622-FA). Bathymetry data were collected using four 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-degree 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Clatsop County, Coastal and Marine Hazards and Resources Program, Columbia River, All tags... Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Grays Harbor County, PCMSC, Pacific Coastal and Marine Science Center, Pacific County, Pacific Ocean, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, marine geophysics, sea-floor characteristics, single-beam echo sounder, Fewer tags Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2016 This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2016 (USGS Field Activity Number 2016-663-FA). Bathymetry data were collected using four 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 degree 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Clatsop County, Coastal and Marine Hazards and Resources Program, Columbia River, All tags... Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Grays Harbor County, PCMSC, Pacific Coastal and Marine Science Center, Pacific County, Pacific Ocean, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Eelgrass distributions and bathymetry derived from an acoustic survey of the Nisqually River delta, Washington, 2012 This portion of the USGS data release presents eelgrass distribution and bathymetry data derived from acoustic surveys of the Nisqually River delta, Washington in 2012 (USGS Field Activity Number D-01-12-PS). Eelgrass and bathymetry data were collected from the R/V George Davidson equipped with a single-beam sonar system and global navigation satellite system (GNSS) receiver. The sonar system consisted of a Biosonics DT-X single-beam echosounder and 420 kHz transducer with a 6-degree beam angle. Depths from the echosounder were computed using sound velocity assuming a salinity of 30 psu and temperature of 10 degrees Celcius. Positioning of the survey vessel was determined at 5 to 10 Hz using a Trimble R7 GNSS receiver... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, Billy Frank Jr Nisqually National Wildlife Refuge, CMHRP, Coastal and Marine Hazards and Resources Program, Echo Sounders, All tags... GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Nisqually River, PCMSC, Pacific Coastal and Marine Science Center, Pierce County, Puget Sound, Salish Sea, Thurston County, U.S. Geological Survey, USGS, USGS Coastal Habitats in Puget Sound Project (CHIPS), Water Depth, aquatic vegetation, bathymetry, bathymetry measurement, elevation, marine geophysics, sea-floor characteristics, single-beam echo sounder, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, July 2016 This portion of the USGS data release presents bathymetry data collected during surveys performed on the Elwha River delta, Washington in July 2016 (USGS Field Activity Number 2016-658-FA). Bathymetry data were collected using two personal watercraft (PWCs) and a kayak, all equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The PWC 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... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, Clallam County, Echo Sounders, Elwha River, GPS (Global Positioning System), All tags... GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, Strait of Juan de Fuca, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2015 This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2015 (USGS Field Activity Number 2015-647-FA). Bathymetry data were collected using four 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 degree 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Clatsop County, Coastal and Marine Hazards and Resources Program, Columbia River, All tags... Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Grays Harbor County, PCMSC, Pacific Coastal and Marine Science Center, Pacific County, Pacific Ocean, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2019 This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2019 (USGS Field Activity Number 2019-632-FA). Bathymetry data were collected using four 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 degree 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Clatsop County, Coastal and Marine Hazards and Resources Program, Columbia River, All tags... Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Grays Harbor County, PCMSC, Pacific Coastal and Marine Science Center, Pacific County, Pacific Ocean, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Digital elevation models (DEMs) of the Elwha River delta, Washington, July 2016 This portion of the USGS data release presents digital elevation models (DEMs) derived from bathymetric and topographic surveys conducted on the Elwha River delta, Washington, in July 2016 (USGS Field Activity Number 2016-653-FA). Nearshore bathymetry data were collected using two personal watercraft (PWCs) and a kayak equipped with single-beam echosounders and survey-grade global navigation satellite system (GNSS) receivers. Topography data were collected on foot with survey-grade GNSS receivers mounted on backpacks. Positions of the survey platforms were referenced to a GNSS base station placed on a benchmark with known horizontal and vertical coordinates relative to the North American Datum of 1983 (CORS96 realization)... Types: Citation; Tags: Bathymetry and Elevation, Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, All tags... Water Depth, bathymetry, bathymetry measurement, digital elevation models, elevation, single-beam echo sounder, topographic mapping, topography, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, January 2015 This portion of the USGS data release presents bathymetry data collected during surveys performed on the Elwha River delta, Washington in January 2015 (USGS Field Activity Number 2015-605-FA). Bathymetry data were collected using two personal watercraft (PWCs) and a kayak, all equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The PWC 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... Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, Clallam County, Echo Sounders, Elwha River, GPS (Global Positioning System), All tags... GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, Strait of Juan de Fuca, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, July 2017 This portion of the USGS data release presents bathymetry data collected during surveys performed on the Elwha River delta, Washington in July 2017 (USGS Field Activity Number 2017-638-FA). Bathymetry data were collected using two personal watercraft (PWCs) and a kayak, all equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The PWC 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... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, Clallum County, Echo Sounders, Elwha River, GPS (Global Positioning System), All tags... GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, Strait of Juan de Fuca, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Nearshore bathymetry data from the Elwha River delta, Washington, February 2016, collected from kayak This part of the data release presents bathymetry data from the Elwha River delta collected in February 2016 using a kayak. The kayak was equipped with a single-beam echosounder and a survey-grade global navigation satellite system (GNSS) receiver. Tags: Bathymetry and Elevation, Clallum County, Echo Sounders, Elwha River, GPS (Global Positioning System), All tags... GPS measurement, Global Positioning System (GPS) observations, Olympic Peninsula, Strait of Juan de Fuca, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Single-beam bathymetry data collected in the Cache Slough Complex, Sacramento-San Joaquin Delta, California, during USGS field activities 2017-649-FA and 2018-684-FA This portion of the USGS data release presents single beam bathymetry data collected during surveys performed in the Cache Slough Complex, Sacramento-San Joaquin Delta, California in 2017 and 2018 (USGS Field Activity Numbers 2017-649-FA and 2018-684-FA). Bathymetry data were collected using personal watercraft (PWCs) equipped with single-beam sonar systems and global navigation satellite system (GNSS) receivers. The final point data from the PWCs are provided in a comma-separated text file and are projected in cartesian coordinates using the Universal Transverse Mercator (UTM) Zone 10 North, meters coordinate system. Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Cache Slough, Cache Slough Complex, Coastal and Marine Hazards and Resources Program, All tags... Global Positioning System (GPS) observations, PCMSC, Pacific Coastal and Marine Science Center, Sacramento River, Sacramento River Deep Water Ship Channel, Sacramento-San Joaquin Delta, San Joaquin River, State of California, U.S. Geological Survey, USGS, bathymetry, bathymetry measurement, elevation, geoscientificInformation, geospatial datasets, single-beam echo sounder, Fewer tags Bathymetry from 2013 interferometric swath bathymetry systems survey of Columbia River Mouth, Oregon and Washington This part of the USGS data release presents bathymetry data for the Columbia River Mouth, Oregon and Washington. The bathymetry data of the Columbia River Mouth, Oregon and Washington were collected by the U.S. Geological Survey (USGS). Mapping was completed in 2013, using a 234-kHz SEA SWATHPlus interferometric system. These data are not intended for navigational purposes. Tags: Bathymetry, Bathymetry, Bathymetry and Elevation, CMGP, Coastal and Marine Geology Program, All tags... Columbia River, PCMSC, Pacific Coastal and Marine Science Center, Pacific Ocean, Seafloor Topography, State of Oregon, State of Washington, U.S. Geological Survey, USGS, geoscientificInformation, imageryBaseMapsEarthCover, marine geology, marine geology, marine geophysics, multibeam sonar, oceans, sea-floor acoustic reflectivity, single-beam echo sounder, Fewer tags Nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon, 2017 This portion of the USGS data release presents bathymetry data collected during surveys performed in the Columbia River littoral cell, Washington and Oregon in 2017 (USGS Field Activity Number 2017-666-FA). Bathymetry data were collected using four 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 degree 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... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, CMHRP, Clatsop County, Coastal and Marine Hazards and Resources Program, Columbia River, All tags... Echo Sounders, GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Grays Harbor County, PCMSC, Pacific Coastal and Marine Science Center, Pacific County, Pacific Ocean, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, Fewer tags Beach topography and nearshore bathymetry of the Columbia River littoral cell, Washington and Oregon (ver. 4.0, January 2024) This data release presents beach topography and nearshore bathymetry data from repeated surveys performed by a team of scientists from the U.S. Geological Survey, Washington State Department of Ecology, and Oregon State University in the Columbia River littoral cell (CRLC), Washington and Oregon. The CRLC extends approximately 165 kilometers between Point Grenville (PG), Washington, and Tillamook Head (TH), Oregon (Figure 1A). The CRLC consists of four wide, gently sloping, beaches, or sub-cells, separated by the entrances of Grays Harbor, Willapa Bay, and the Columbia River. Areas were designated within a portion of each sub-cell and surveyed along a series of shore-perpendicular survey lines spaced at 100- to... Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, Echo Sounders, GPS (Global Positioning System), GPS measurement, Geomorphology, All tags... Global Positioning System (GPS) observations, Marine Geology, Water Depth, bathymetry, bathymetry measurement, elevation, single-beam echo sounder, topographic mapping, topography, Fewer tags Eelgrass distributions and bathymetry derived from an acoustic survey of the Nisqually River delta, Washington, 2017 This portion of the USGS data release presents eelgrass distribution and bathymetry data derived from acoustic surveys of the Nisqually River delta, Washington in 2017 (USGS Field Activity Number 2017-614-FA). Eelgrass and bathymetry data were collected from the R/V George Davidson equipped with a single-beam sonar system and global navigation satellite system (GNSS) receiver. The sonar system consisted of a Biosonics DT-X single-beam echosounder and 420 kHz transducer with a 6-degree beam angle. Depths from the echosounder were computed using sound velocity data measured using a YSI CastAway CTD during the survey. Positioning of the survey vessel was determined at 5 to 10 Hz using a Trimble R7 GNSS receiver and... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Bathymetry and Elevation, Billy Frank Jr Nisqually National Wildlife Refuge, CMHRP, Coastal and Marine Hazards and Resources Program, Echo Sounders, All tags... GPS (Global Positioning System), GPS measurement, Global Positioning System (GPS) observations, Nisqually River, PCMSC, Pacific Coastal and Marine Science Center, Pierce County, Puget Sound, Salish Sea, Thurston County, U.S. Geological Survey, USGS, USGS Coastal Habitats in Puget Sound Project (CHIPS), Water Depth, aquatic vegetation, bathymetry, bathymetry measurement, elevation, marine geophysics, sea-floor characteristics, single-beam echo sounder, Fewer tags Digital elevation models (DEMs) of the Elwha River delta, Washington, July 2017 This portion of the USGS data release presents digital elevation models (DEMs) derived from bathymetric and topographic surveys conducted on the Elwha River delta in July 2017 (USGS Field Activity Number 2017-638-FA). Nearshore bathymetry data were collected using two personal watercraft (PWCs) and a kayak equipped with single-beam echosounders and survey-grade global navigation satellite systems (GNSS) receivers. Topographic data were collected on foot with survey-grade GNSS receivers mounted on backpacks. Positions of the survey platforms were referenced to a GNSS base station placed on a benchmark with known horizontal and vertical coordinates relative to the North American Datum of 1983 (CORS96 realization)... Tags: Bathymetry and Elevation, CMHRP, Clallam County, Coastal and Marine Hazards and Resources Program, Echo Sounders, All tags... Elwha River, GPS (Global Positioning System), GPS measurement, Geomorphology, Global Positioning System (GPS) observations, Olympic Peninsula, PCMSC, Pacific Coastal and Marine Science Center, Strait of Juan de Fuca, U.S. Geological Survey, USGS, Water Depth, bathymetry, bathymetry measurement, digital elevation models, elevation, single-beam echo sounder, topographic mapping, topography, Fewer tags 1 2 »