Field Activity 2017-009-FA

Identifier 2017-009-FA
Purpose Collect seabed sediment samples for geological mapping project
Location Stellwagen Bank NMS
Summary Visited locations within Stellwagen Bank National Marine Sanctuary. A customized Van Veen grab sampler (SEABOSS) equipped with a video camera and a conductivity, temperature, and depth (CTD) instrument was deployed in drift mode to collect sediment for grain-size analysis, video imagery of the seabed, and measurements of water column properties. Total stations 13; total CTD casts 13; total sediment samples 13; total video drifts (6 to 12 minutes, 1.4 to 2.7 gigabytes) 13; total seabed images 26; total sediment sample images 19.
Info derived Sediment samples and photo/video imagery for geological mapping
Comments Travel to and from Plymouth, MA for day-cruises to Stellwagen Bank. CTD required as for previous cruises. Load Auk on Friday, Jan 27 in Plymouth, MA. Entries for this field activity are based on entries from Field Activity 2016-038-FA
Projects
Platform
Length: 50 feet; Beam: 20 feet.
Itinerary
Start Plymouth, MA 2017-01-30
End Plymouth, MA 2017-01-30
Days in the field 1
Bounds
West -70.5
East -70
North 42.5
South 42

Personnel

Organization
384 Woods Hole Road
Quissett Campus
Woods Hole, MA02543-1598
(508) 548-8700
Principal investigators Page C Valentine
Crew members
Dann S Blackwood
Scientist, Staff
Information specialist(s)
Dann S Blackwood
Specialist, Information
Affiliate principal Dr. David Wylie, SBNMS

Data types and categories

Data category: Environmental Data, Imagery, Location-Elevation, Sampling
Data type: CTD, Photo, Video, Navigation, Geology, Fluorescence, Turbidity

Documents: Notes and log books

Name Description
Cruise log cquisition and observation logs for seabed video and sediment samples collected aboard the R/V Auk on Stellwagen Bank.

Equipment used

Equipment Usage description Data types Datasets
SeaBOSS The SEABed Observation and Sampling System (SEABOSS) was used to collect sediment samples with a modified Van Veen sampler and video images of the seabed with GoPro cameras mounted on the frame. A CTD was mounted horizontally on the SEABOSS frame and its maximum depth is approximately 1 meter above the seabed. Surveys (biological), Experiments (biological), Species ID, Photo, Video, Geology, Biology 2
Furuno satellite compass SC-30 The location information for stations was acquired from a satellite navigation receiver (Furuno satellite compass SC-30, GPS receiver) at two second intervals with a horizontal accuracy of 10 m. The navigation antenna is located 5.3 m forward of the SEABOSS deployment location. This offset was not accounted for in the navigation acquisition. Navigation 1
GoPro camera Seabed video images were collected using a battery-operated, high-definition (1920 x 1080 pixels) GoPro digital video camera mounted on the USGS SEABed Observation and Sampling System (SEABOSS). The SEABOSS system had two GoPro cameras and a Seaviewer camera attached to it. The Seaviewer camera had a live feed to the surface and was used only to observe obstacles, like gill nets and lobster gear, in order to avoid entanglement. In the case of camera failure, the additional cameras provided backup video. Photo, Video 2
Nikon 7100 digital camera Still images of sediment sample surfaces were collected using a hand-held Nikon 7100 digital camera with a resolution of 24 megapixels (6000 x 4000 pixels), using a 18-200x zoom lens with an aperture ranging from f3.5 to f5.6. A Nikon macro Speedlight was used for illumination. Photo 1
SBE 19plus V2 SeaCAT Profiler CTD These data were collected with a Sea-Bird CTD (conductivity, temperature, depth) instrument - a SBE 19plus SeaCAT Profiler CTD. In addition to the CTD water column profiling, the CTD is equipped with auxiliary sensors to measure fluorescence and turbidity. This instrument was deployed on the USGS SEABed Observation and Sampling System (SEABOSS). The CTD is mounted horizontally on the SEABOSS frame and its maximum depth is approximately 1 meter above the seabed. CTD, Fluorescence, Turbidity 1

Datasets

Datasets produced in this activity

Dataset name Equipment Description Dataset contact
2017-009-FA_sedsamples SeaBOSS Location and analyses of sediment samples collected aboard the R/V Auk on Stellwagen Bank (Geographic, WGS 84, point shapefile, XLSX and CSV formats). Page C Valentine
2017-009-FA_station_summary SeaBOSS Station and data summary for data collected aboard the R/V Auk on Stellwagen Bank Page C Valentine
2017-009-FA_nav Furuno satellite compass SC-30 Navigation data collectd aboard the R/V Auk on Stellwagen Bank Page C Valentine
2017-009-FA_SeabedImages GoPro camera Seabed still images (frame grabs) collected aboard the R/V Auk on Stellwagen Bank (JPEG image format. EXIF headers have been added to include navigation and other meta tags). Page C Valentine
2017-009-FA_video_driftlines GoPro camera Video transects of the sea floor collected aboard the R/V Auk on Stellwagen Bank Page C Valentine
2017-009-FA_SampleImages Nikon 7100 digital camera Grab sample still images collected aboard the R/V Auk on Stellwagen Bank (JPEG image format. EXIF headers have been added to include navigation and other meta tags). Page C Valentine
2017-009-FA_CTD SBE 19plus V2 SeaCAT Profiler CTD Conductivity-temperature-depth data collected aboard the R/V Auk on Stellwagen Bank Page C Valentine

Publications

Samples collected during this field activity