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Summary Information for Field Activity 2004-021-FA

Area of Operations: Atwater Valley, Mississippi Canyon, Gulf of Mexico, North America, North Atlantic

Dates: June 20, 2004 to June 23, 2004

Chief scientist: Deborah Hutchinson

   Rob Evans - WHOI

Objectives: Collect bottom camera and electrical resistivity data across two possible gas hydrate mounds in the Mississippi Canyon, northern Gulf of Mexico, as part of a site survey for the JIP/DOE Gas Hydrates Drilling Program.

Type of Activity: Bottom photography; Bottom resistivity profiling (WHOI);Bottom Photography
Bottom resistivity profiling (WHOI)

Information to be derived: bottom imagery to investigate benthic distribution and gas hydrate
electrical resistivity profiles across mounds and at drilling transects

Summary: This was a successful cruise with 5973 bottom images collected on four tows; the EM data fulfilled the objective of showing proof of concept for the system (17 km on 9 lines).

Contact: Deborah Hutchinson (

InfoBank: uses the identifier P-1-04-GM. Visit this site for more information.

Related Links:

Click to get Google Software - Download 04021.kml to view this field activity in Google Earth

Platform Info:

Publications resulting from these data

Crusius, John, Bratton, John, and Charette, Matt,2005, Putting radon to work; identifying coastal ground-water discharge sites: U.S. Geological Survey Open-File Report 2004-1381, 2 p.. (Also available at

Evans, John, Fornari, Dan, Gilbert, Lauren, Boyle, Mike, Dougherty, Jennifer, and Hutchinson, Deborah R.,2005, Archive of raw bottom photographs collected during Cruise P1-04-GM, Northern Gulf of Mexico, 21-24 June, 2004: U.S. Geological Survey Open-File Report 2004-1285, 2 DVD-ROMs. (Also available at

Ruppel, C., Boswell, R., and Jones, E.,2008, Scientific results from Gulf of Mexico Gas Hydrates Joint Industry Project Leg 1 drilling; introduction and overview: Marine and Petroleum Geology, v. 25, no. 9: p. 819-829. (Also available at

Ellis, M., Evans, R.L., Hutchinson, D., Hart, P., Gardner, J., and Hagen, R.,2008, Electromagnetic surveying of seafloor mounds in the northern Gulf of Mexico: Marine and Petroleum Geology, v. 25, no. 9: p. 960-968. (Also available at

Data Types and Locations:



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