Name: NHS_2018

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Description: <DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN><SPAN>Seafloor videography collected off the New Hampshire continental shelf was recorded with a fabricated drop camera consisting of and HD Delta vision camera mounted 0.4 m from the seafloor when in its vertical position. The base of the frame was 0.3 m by 0.3 m and was divided into 2 cm increments that provide a scale on all sides. The camera had a 1.2 mm or better pixel resolution. The ship's global positioning system (GPS) was recorded during sampling and marked each time seafloor was in contact (touchdowns) or when the camera framework was on its side (tipped) providing a plain view and profile view of the seafloor respectively. VLC media player was utilized to subsample seafloor images and combined with ship positions to construct this data base. Point feature class vector tables are separated by positions within previous multibeam echosounder surveys conducted by the University of New Hampshire. In some instances video from UNH CCOM/JHC OE 972 Hydrographic Field Course surveys was collected immediately following sonar data collections.</SPAN></SPAN></P></DIV></DIV></DIV>

Service Item Id: 9bb41d36a9ce48f99ebc9b88aeafb84e

Copyright Text: The Surficial Geology of the Continental Shelf off New Hampshire: Morphological Features and Surficial Sediments reports, maps, and digital products was supported by the Bureau of Ocean Energy Management Award Number M14AC00010 and University of New Hampshire/National Oceanic and Atmospheric Administration Joint Hydrographic Center Award Number NA10NOS4000073.

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Fields:

• OBJECTID ( type: esriFieldTypeOID, alias: OBJECTID )
• Shape ( type: esriFieldTypeGeometry, alias: Shape )
• AssociatedSurvey ( type: esriFieldTypeString, alias: AssociatedSurvey, length: 255 )
• StudyID_1 ( type: esriFieldTypeString, alias: StudyID_1, length: 255 )
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• SeafloorImage ( type: esriFieldTypeString, alias: SeafloorImage, length: 255 )
• Latitude_DD ( type: esriFieldTypeDouble, alias: Latitude_DD )
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