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USGS Coastal and Marine Geology Program

Field Activity Details for field activity H305AR

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AKA: none

Other ID: H-3-05-AR,HLY0503

Status: Completed

Organization(s): USGS, Pacific Coastal and Marine Science Center

Funding Program(s): Arctic Ocean Polar Studies (MU013)

Principal Investigator(s):

Affiliate Investigator(s): Bernard Coakley, Univ. of Alaska, Fairbanks AK; Yngve Kristoffersen, Univ. of Bergen, Bergen, Norway: John Hopper, Texas A&M, College Station TX.

Information Specialist(s): Patrick Hart, Jonathan Childs

Data Type(s): Electro-Magnetic: Gravity, Location-Elevation: Navigation, Seismics: Multichannel, Seismics: Sonobuoy, Seismics: Sub Bottom Profiler, Sonar: Multibeam

Scientific Purpose/Goals: Deciphering the Tectonic History, Structure and Stratigraphy of the Arctic Basin and Plate Boundries

Vehicle(s):

Start Port/Location: Dutch Harbor, Alaska

End Port/Location: Tromso, Norway

Start Date: 2005-08-05

End Date: 2005-09-30

Equipment Used: Sonobuoy, gravity, navigation, 2channelairgun, 512 chirp

Information to be Derived: Deciphering the Tectonic History, Structure and Stratigraphy of the Arctic Basin and Plate Boundries

Summary of Activity and Data Gathered: 47 lines of seismic reflection data, 97 sonobuoy seismic refraction data gravity anomaly data, swath bathymetry, sub-bottom profiles

Staff:

Affiliate Staff:

Notes: Equipment details:
16 to 24 channel streamer, 200 to 300 meters length;
Airgun seismic reflection and sonobuoy refraction;
Multibeam swath bathymetry (Seabeam model 2112);
Gravimeter (Bell BGM-3);
Chirp sub-bottom profiler.

Co-Chief Scientists:
Bernard Coakley, Univ. of Alaska, Fairbanks AK;
Yngve Kristoffersen, Univ. of Bergen, Bergen, Norway:
John Hopper, Texas A&M, College Station TX.

Location:

Arctic Ocean

Boundaries
North: 84.35754105 South: 55.54722014 West: -70.1367 East: -12.40234375

Platform(s):

photo of Healy
Healy

Publications

Dove, D.W., 2007, STRATIGRAPHY, STRUCTURE, AND ORIGIN OF THE MENDELEEV RIDGE FROM BATHYMETRY, CONTROLLED SOURCE SEISMIC, AND GRAVITY OBSERVATIONS: A thesis presented to the Faculty of the University of Alaska Fairbanks, https://walrus.wr.usgs.gov/infobank/h/h305ar/meta/Dove_MS_Thesis_UAF_reduced.pdf.

Portals/Viewers

FAN H305AR has data viewable in the GeoMappApp/Virtual Ocean applications. To view this data in these applications go to http://www.geomapapp.org/ and http://www.virtualocean.org/. See the instructions for locating USGS data in these applications. You can also view the imagery created from the SEGY data at https://cmgds.marine.usgs.gov/images.php?cruise=H305AR.

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Sonobuoy --- Sonobuoy
gravity --- Gravity
navigation --- Navigation
Global positioning system (GPS) data h-3-05-ar.060 (Provisional best file)
Best file with nav in ArcInfo E00 format
2channelairgun --- Multichannel
512 chirp --- Sub Bottom Profiler

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