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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2012-016-FA

Other ID: RC89; Chesapeake Bay 0612

Status: Completed

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

Funding Program(s):

Principal Investigator(s): John Pohlman

Affiliate Investigator(s): Laura Lapham, UMCES

Information Specialist(s): Michael Casso

Data Type(s): Location-Elevation: Navigation, Environmental Data: CTD, Environmental Data: Temperature, Environmental Data: Methane

Scientific Purpose/Goals: Measure greenhouse gas fluxes from the upper, lower and middle portions of the Chesapeake Bay. Work will be conducted aboard the R/V Rachel Carson in collaboration with scientists from the University of Maryland's Chesapeake Bay Laboratory.


Start Port/Location: Solomons MD, USA

End Port/Location: Solomons MD, USA

Start Date: 2012-06-16

End Date: 2012-06-22

Equipment Used: GPS (wh), HYPACK, Temperature and salinity, Cavity Ring-Down Spectroscopy (CRDS)

Information to be Derived: Samples and chemical analysis;

Summary of Activity and Data Gathered: From June 18-June 22, 25 km+ of surface methane and CO2 data collected in the lower, mid and upper chesapeake Bay. Vertical profiles of the methane and CO2 concentration and d13C also obtained at 5 sample stations using a submersible pump to supply the equilibrator

Staff: Michael Casso

Affiliate Staff:

Notes: Chuck Worley providing technical assistance locally. Michael Casso attending cruise with Pohlman
Project = Global Dist. Geochem. Gas Hydrate,


Chesapeake Bay, United States, North America, North Atlantic;, Greenhouse Gas Flux Measurements

North: 39.72465 South: 36.70366 West: -77.7437 East: -74.88281


Rachel Carson



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
GPS (wh) --- Navigation
HYPACK --- Navigation
Temperature and salinity --- CTD
Cavity Ring-Down Spectroscopy (CRDS) --- CO2

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