23 datasets found
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Federal
Bathymetry data for the post-construction survey of the Emergent Sandbar Habitat project at river mile 769.8 downstream from Gavins Point Dam on the Missouri River.
Department of the Interior —
This geospatial data set contains the points collected by the echosounder on transects in the upstream project reach surrounding the construction area at River Mile... -
Federal
Color-hillshade relief GeoTIFF image of the Potomac River/Chesapeake Bay Area (CLRHSHD_POTO_GEO.TIF, Geographic, NAD83)
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Survey lines of the sidescan sonar system of data collected in Boston Harbor and Approaches (surveylines_sss)
Department of the Interior —
These data are the trackline from the high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts.... -
Federal
Multibeam Bathymetry 2 meter/pixel of Boston Harbor and Approaches (bh_2mmbbath)
Department of the Interior —
These data are high-resolution bathymetric measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of sidescan... -
Federal
GPS data collected for transects as part of the post-construction survey at Emergent Sandbar Habitat site on the Missouri River near river mile 769.8
Department of the Interior —
This data set contains land surface elevations on dry and wadeable portions of transects for the hydrographic surveys on the Missouri River below Gavins Point Dam... -
Federal
Defined Map Units of the seafloor of Boston Harbor and Approaches (BOTTOMTYPE, UTM 19, WGS84)
Department of the Interior —
This data is a qualitatively-derived interpretative polygon shapefile defining the bottom types of the seafloor from Boston Harbor and the harbor approaches,... -
Federal
Backscatter Imagery from Sidescan Sonar 5 meter/pixel of Boston Harbor and Approaches (bh_5mBS.tif)
Department of the Interior —
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km² of... -
Federal
Survey lines of the video and photos from the mini-SEABOSS sampling system acquired in Boston Harbor and approaches (surveylines_vid)
Department of the Interior —
These data are the trackline from the seafloor photograph and video survey conducted September 2004 using the mini-SeaBOSS sampling system on the R/V Rafael in Boston... -
Federal
GPS data collected for transects as part of the pre-construction survey at Emergent Sandbar Habitat site on the Missouri River near river mile 769.8
Department of the Interior —
This data set contains land surface elevations on dry and wadeable portions of transects for the hydrographic surveys on the Missouri River below Gavins Point Dam... -
Federal
1 meter resolution GeoTIFF image of the sidescan sonar backscatter imagery of Boston Harbor and Approaches (BH_1MBS.TIF, UTM 19, WGS84)
Department of the Interior —
These data are high-resolution acoustic backscatter measurements of the seafloor from Boston Harbor and the harbor approaches, Massachusetts. Approximately 170 km... -
Federal
Hydrographic Surveys of the Missouri River at Upper Hamburg chute, 2011-13
Department of the Interior —
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech... -
Federal
Surficial sediment data from Boston Harbor collected during USGS Field Activity 04019 (SEDGRABS, UTM 19, WGS84)
Department of the Interior —
This data set includes the locations, identifiers, grain-size data and(or) textural descriptions of surficial sediments collected at stations based on topographic and... -
Federal
GPS data collected for preconstruction hydrographic surveys of Missouri River downstream from Gavins Point Dam near river mile 761.4
Department of the Interior —
This data set contains land surface elevations on dry and wadeable portions of transects for pre-construction hydrographic surveys on the Missouri River below Gavins... -
Federal
Postconstruction tin of land surface on the Missouri River downstream from Gavins Point Dam near River Mile 769.8
Department of the Interior —
This geospatial data set contains an interpolated 3-D surface or, triangulated-irregular network (TIN), of the substrate surface between cross-sections 22 and 35... -
Federal
Location of bottom photographs from the Mini-SeaBOSS sampling system from Boston Harbor and Approaches (USGS Field Activity 04019) (BOTTOMPHOTOS, UTM 19, WGS84)
Department of the Interior —
This data set includes the locations and hotlinks to photographs of the seafloor in Boston Harbor and the harbor approaches, Massachusetts. The photos were taken... -
Federal
ESRI Format Binary Grid of the Merged Bathymetry and Elevation Data from the Potomac River/Chesapeake Bay Area For Use With USGS Cruise 06018 (POTO_AREA)
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Hydrographic Surveys of the Missouri River at Council chute, 2011-13
Department of the Interior —
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech... -
Federal
Hydrographic Surveys of the Missouri River at Deroin chute, 2011-13
Department of the Interior —
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech... -
Federal
Color-hillshade relief GeoTIFF image of the Potomac River/Chesapeake Bay Area (CLRHSHD_POTO.TIF, UTM, Zone 18, NAD83)
Department of the Interior —
In order to test hypotheses about groundwater flow under and into Chesapeake Bay, geophysical surveys were conducted by U.S. Geological Survey (USGS) scientists on... -
Federal
Hydrographic Surveys of the Missouri River at Plattsmouth backwater, 2011-13
Department of the Interior —
An Innerspace 456 single-beam echosounder in conjunction with a Trimble® differential Global Positioning System (DGPS), HYPACK® navigation software, and Ashtech...
23 datasets found