35 datasets found
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Federal
Side-scan Sonar Data, 2014-2015, Gateway National Recreation Area
Department of the Interior —
The side scan sonar survey was done simultaneously with the bathymetry swath survey and used an EdgeTech Model 4125 Towfish bow-mounted from Lookdown at 400 and 900... -
Federal
Ground-truthing images, 2014-2015, Gateway National Recreation Area
Department of the Interior —
Collection of benthic infauna and epifauna used a 0.04 m2 Ted Young Modified Van Veen grab. Three replicate benthic samples were collected at 23 sites to total 69... -
Federal
Sub-bottom Seismic Survey Processed images, 2015, Cape Cod National Seashore
Department of the Interior —
This data set contains the images and ancillary files from sub-bottom seismic surveys completed within and adjacent to the boundaries of Cape Cod National Seashore... -
Federal
Eel grass coverage, 2015, Cape Cod National Seashore
Department of the Interior —
This dataset shows the eelgrass data extent identified from the acoustic surveys completed within and adjacent to the boundaries of Cape Cod National Seashore (CaCo)... -
Federal
A spatially and temporally intensive sampling study of benthic community and bivalve metrics in the Sacramento-San Joaquin Delta (ver. 2.0, May 2021)
Department of the Interior —
This data release contains one data table and a data dictionary for the California Department of Water Resources and the United States Bureau of Reclamation’s... -
Federal
Mapping Extent for Sidescan Sonar and Bathymetry Data, 2014-2015, Gateway National Recreation Area
Department of the Interior —
Polygon shapefile showing the coverage area of the acoustic mapping at Sandy Hook, NJ between July 2015 and August 2015. The side scan sonar survey was done... -
Federal
Cruise Track Lines, 2015, Gateway National Recreation Area
Department of the Interior —
Line shapefile showing the track lines of the acoustic mapping at Sandy Hook, NJ between July 2015 and August 2015. The side scan sonar survey was done simultaneously... -
Federal
Benthic Communities as Mediators of Water Quality in Lower San Francisco Bay, California (2012-2019)
Department of the Interior —
This data release contains ten data tables and a data dictionary for the Technical Assistance Agreement (TAA) between the U.S. Geological Survey and the San Francisco... -
Federal
Conductivity, Temperature, and Depth (CTD) Profiles, Gateway National Recreation Area
Department of the Interior —
Conductivity, Temperature, and Depth (CTD) Profiles associated with submerged mapping cruises. The side scan sonar survey was done simultaneously with the bathymetry... -
Federal
Cape Cod National Seashore Sonar Cruise Tracklines, 2015
Department of the Interior —
This vector data set contains the cruise tracklines from acoustic surveys completed within and adjacent to the boundaries of Cape Cod National Seashore (CaCo) from... -
Federal
Benthic Community and Bivalve Metrics Data in the Sacramento - San Joaquin Delta from 2015 to 2018.
Department of the Interior —
Declining phytoplankton biomass and the resulting stress on the food web has been suggested as one contributor to the decline of Delta Smelt and other fish species in... -
Federal
Mapping Extent for Bathymetry Data, 2014-2015, Cape Cod National Seashore
Department of the Interior —
This dataset shows the extent of bathymetry data collected during acoustic surveys completed within and adjacent to the boundaries of Cape Cod National Seashore... -
Federal
Sub-bottom seismic reflection raw data, 2014-2015, Cape Cod National Seashore
Department of the Interior —
This dataset contains sub-bottom seismic reflection data collected during acoustic surveys completed within and adjacent to the boundaries of Cape Cod National... -
Federal
Ground-truth Data, Submerged Marine Habitat Mapping, Gateway National Recreation Area
Department of the Interior —
Collection of benthic infauna and epifauna used a 0.04 m2 Ted Young Modified Van Veen grab. Three replicate benthic samples were collected at 23 sites to total 69... -
Federal
Bivalve metrics in the North San Francisco Bay and Sacramento-San Joaquin Delta
Department of the Interior —
This data release contains eleven data tables and a data dictionary for the Department of Water Resources' and the Bureau of Reclamation’s Environmental Monitoring... -
Federal
Ground-truthing images, 2014-2015, Cape Cod National Seashore
Department of the Interior —
Still images taken in conjunction with biological and sediment grab samples in order to describe the benthic invertebrate community and sediment characteristics of... -
Federal
Biotopes, 2014-2015, Cape Cod National Seashore, as determined by Coastal/Marine Ecological Classification Standard (CMECS) Classification
Department of the Interior —
Benthic habitat maps were developed for the CACO study areas following the top-down mapping approach, for which habitat map units are geologically defined based on... -
Federal
Coastal/Marine Ecological Classification Standard (CMECS) Benthic Habitat Classifications, 2014-2015, Cape Cod National Seashore
Department of the Interior —
Benthic habitat maps were developed for the CACO study areas following the top-down mapping approach, for which habitat map units are geologically defined based on... -
Federal
Burrowing behavior of freshwater mussels
Department of the Interior —
Data include burrowing behavior of juvenile freshwater mussels (Lampsilis siliquoidea); Villosa constricta; Megalonaias nervosa; Villosa iris; Lampsilis powellii; and...
35 datasets found