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Summary for Field Activity Number 2003-026-FA

Area of Operations: outer banks, Southern Shores, Nags Head, Rodanthe, North Carolina, United States, North America, North Atlantic

Dates: April 06, 2003 to April 15, 2003

Objectives: Drilling borings (6-10) up to 70 m deep to collect sediment cores for stratigraphy, porewater salinity, 14C, etc. This is Phase II of a similar effort in spring 2002. NC Geological Survey (Bill Hoffman) is the lead on the drilling; Rob Thieler is USGS project chief.

Type of Activity: Sampling
drilling (onshore)

Information to be derived:

Summary: U.S. Geological Survey (USGS) scientists from Woods Hole, MA, and their collaborators landed on the beaches of North Carolina in April to implement two more pieces of ongoing efforts to understand the evolution and modern dynamics of the States extensive barrier-island system, including its hydrogeology. Stormy conditions provided the perfect weather for shoreline-erosion studies conducted by Jeff List, Peter Ruggiero, and collaborator Bill Birkemeier of the U.S. Army Corps of Engineers Field Research Facility at Duck, NC. John Bratton and other scientists working with a contract drilling crew were less enthusiastic about the storm, which slowed (and even stopped for 1 day) their subsurface sampling efforts on the islands. The rotosonic-drilling team recovered almost 900 ft of sediment cores from six sites, including one mainland site, and measured the salinity of 130 pore-water samples. Beth Wrege and other USGS scientists from offices in North Carolina and Reston, VA, conducted gamma logging of each hole and installed monitoring wells at several sites. Other participants in the drilling program included Bill Hoffman and Bob Brooks (North Carolina Geological Survey); Reide Corbett, Lance Tully, and Irene Abbene (East Carolina University); and an excellent drilling crew from Boart Longyear. Additional chemical analyses are being performed on pore-water samples at East Carolina University. Rob Thieler (USGS, Woods Hole) is organizing a workshop scheduled for June to study and sample the split sediment cores, which are stored at the North Carolina Geological Surveys Coastal Plain Office in Raleigh.

USGS Project Number: NC COOP

Contact: John Bratton (jbratton@usgs.gov)

InfoBank: uses the identifier R-2-03-NR. Visit this site for more information.

Map for Area of Operations :

Map of field activity boundary.

Platform Info:
ROTOSONIC DRILL

The following materials for this field activity are available in the Information Archives:

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