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Multibeam echo sounder - navigation tracklines for Reson 7160 data collected during USGS field activities 2017-001-FA and 2017-002-FA

Dates

Publication Date
Start Date
2017-05-09
End Date
2017-09-06

Citation

Baldwin, W.E., Moore, E.M., Worley, C.R., Nichols, A.R., and Ruppel, C.D., 2020, Marine geophysical data collected to support methane seep research along the U.S. Atlantic continental shelf break and upper continental slope between the Baltimore and Keller Canyons during U.S. Geological Survey Field Activities 2017-001-FA and 2017-002-FA: U.S. Geological Survey data release, https://doi.org/10.5066/P9Y1MSTN.

Summary

In spring and summer 2017, the U.S. Geological Survey’s Gas Hydrates Project conducted two cruises aboard the research vessel Hugh R. Sharp to explore the geology, chemistry, ecology, physics, and oceanography of sea-floor methane seeps and water column gas plumes on the northern U.S. Atlantic margin between the Baltimore and Keller Canyons. Split-beam and multibeam echo sounders and a chirp subbottom profiler were deployed during the cruises to map water column backscatter, sea-floor bathymetry and backscatter, and subsurface stratigraphy associated with known and undiscovered sea-floor methane seeps. The first cruise, known as the Interagency Mission for Methane Research on Seafloor Seeps and designated as field activity 2017-001-FA, [...]

Contacts

Attached Files

Click on title to download individual files attached to this item.

2017-001-FA_2017-002-FA_7160Tracklines_browse.jpg
“Multibeam echo sounder tracklines around Keller Canyon.”
thumbnail 229.24 KB
Shapefile: 2017-001-FA_2017-002-FA_7160Tracklines.zip
2017-001-FA_2017-002-FA_7160Tracklines.CPG 5 Bytes
2017-001-FA_2017-002-FA_7160Tracklines.dbf 2.17 MB
2017-001-FA_2017-002-FA_7160Tracklines.prj 145 Bytes
2017-001-FA_2017-002-FA_7160Tracklines.shp
“Shapefile containing Reson 7160 multibeam echo sounder tracklines.”
3.31 MB
2017-001-FA_2017-002-FA_7160Tracklines.shx 8.75 KB

Purpose

This dataset contains trackline navigation for approximately 412 km of Reson 7160 multibeam echo sounder bathymetry and backscatter data collected by the U.S. Geological Survey during USGS field activities 2017-001-FA and 2017-002-FA along the U.S. Atlantic continental shelf break and upper slope between Accomac and Keller Canyons. This information can help spatially correlate the bathymetry and backscatter data with other geophysical and sample data.

Additional Information

Shapefile Extension

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name2017-001-FA_2017-002-FA_7160Tracklines.shp
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