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Sea-floor videos and location of bottom video tracklines collected in Long Island Sound, Connecticut and New York, in fall 2017 and spring 2018 by the U.S. Geological Survey, University of Connecticut, and University of New Haven during field activities 2017-056-FA and 2018-018-FA (MP4 video files and polyline shapefile)

Dates

Publication Date
Start Date
2017-11-28
End Date
2018-05-15

Citation

Ackerman, S.D., Huntley, E.C., Blackwood, D.S., Babb, I.G., Zajac, R.N., Conroy, C.W., Auster, P.J., Schneeberger, C.L., and Walton, O.L., 2020, Sea-floor sediment and imagery data collected in Long Island Sound, Connecticut and New York, 2017 and 2018: U.S. Geological Survey data release, https://doi.org/10.5066/P9GK29NM.

Summary

Two marine geological surveys were conducted in Long Island Sound, Connecticut and New York, in fall 2017 and spring 2018 by the U.S. Geological Survey, University of Connecticut, and University of New Haven through the Long Island Sound Mapping and Research Collaborative. Sea-floor images and videos were collected at 210 sampling sites within the survey area, and surficial sediment samples were collected at 179 of the sites. The sediment data and the observations from the images and videos are used to identify sediment texture and sea-floor habitats.

Contacts

Attached Files

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

2017-056-FA_and_2018-018-FA_videos_browse.jpg
“Map of sea-floor video tracklines in the survey area in Long Island Sound.”
thumbnail 690.27 KB image/jpeg
5.71 GB application/zip
3.78 GB application/zip
6.22 GB application/zip
7.11 GB application/zip
8.23 GB application/zip
7.32 GB application/zip
4.05 GB application/zip
8.04 GB application/zip
Shapefile: 2017-056-FA_and_2018-018-FA_videos.zip
2017-056-FA_and_2018-018-FA_videos.cpg 5 Bytes
2017-056-FA_and_2018-018-FA_videos.dbf 163.73 KB
2017-056-FA_and_2018-018-FA_videos.prj 145 Bytes
2017-056-FA_and_2018-018-FA_videos.sbn 2.2 KB
2017-056-FA_and_2018-018-FA_videos.sbx 260 Bytes
2017-056-FA_and_2018-018-FA_videos.shp 1.23 MB
2017-056-FA_and_2018-018-FA_videos.shx 1.8 KB

Purpose

This dataset provides access to the sea-floor videos and locations of bottom videos acquired with a Kongsberg Simrad OE1365 video camera on the SEABed Observation and Sampling System (SEABOSS) aboard the Research Vessel (R/V) Connecticut during USGS field activities 2017-056-FA (November 28 to December 3, 2017) and 2018-018-FA (May 8 to 15, 2018). These data were collected to explore the nature of the sea floor and to characterize the seabed by identifying sediment texture. Bottom videos serve as a means to visually classify grain size and identify sea-floor habitats, and they are especially important for sample sites where no physical sediment sample was collected.

Additional Information

Shapefile Extension

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