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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2008-037-FA

Other ID: T-37-08-LI

Status: Completed

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

Funding Program(s):

Principal Investigator(s): John Bratton

Affiliate Investigator(s): Henry Bokuniewicz, Stony Brook Univ.

Information Specialist(s): Sandy Baldwin, VeeAnn Atnipp Cross, Adrian Green

Data Type(s): Electro-Magnetic: Resistivity, Environmental Data: Conductivity, Environmental Data: Current, Environmental Data: Dissolved Oxygen, Environmental Data: ORP, Environmental Data: Radon, Environmental Data: Temperature, Environmental Data: pH, Geochemical: Surveys, Imagery: Photo, Location-Elevation: Navigation, Sampling: Chemistry, Sampling: Geology

Scientific Purpose/Goals: Continuous resistivity profiling, groundwater sampling, sediment sampling, surface water sampling, and radon time series.


Start Port/Location: Patchogue, NY

End Port/Location: Patchogue, NY

Start Date: 2008-09-22

End Date: 2008-10-03

Equipment Used: Seepage meters, GPS (wh), YSI multiparameter sonde, Piezometer, Resistivity Profiler, RAD7 radon detection instrument, Submersible pumps, Digital camera, Grab sampler, Water sampler

Information to be Derived: Time series data; Samples and chemical analysis;

Summary of Activity and Data Gathered: Work performed consisted of CRP surveys with the new 15-m streamer in shore-perpendicular transects in the areas of Patchogue Bay, the south shore of Great South Bay (near wilderness area/Smith Point, and Watch Hill to Talisman), and west of Heckscher State Park. Distributed piezometer sampling was performed along the shore of Patchogue Bay, and an intensive piezometer transect was sampled adjacent to Shorefront Park in Patchogue between the outfall of Little Creek to the east, and the Ocean Ave. pier to the west. Piezometer transect locations extended from the beach out to 30 m offshore, and down to a maximum depth of 9 m. The piezometer samples revealed a zone of low-salinity groundwater that extended offshore as far out as was sampled, confined by what was interpreted as buried salt marsh peat in the shallow subsurface. Seepage meters were also deployed at this site by a team from Stony Brook University, and revealed substantial discharge in the subsurface. A radon time series was also collected from a raft anchored offshore in this area. Additional work planned for FY2009 includes nutrient analysis of samples collected in the last field effort, and additional work farther offshore and along the north side of Fire Island in the spring-summer of 2009.

Staff: Sandy Baldwin, John Bratton, Thomas Brooks, Michael Casso, John Crusius, Adrian Green, Kevin Kroeger, Charles Worley

Affiliate Staff:
Ruth Coffey
Stony Brook Univ. - seepage meter studies

Notes: Continuous data km above for CRP includes this field effort, as well as the Great South Bay portion of the previous field effort in May 2008 (FA 08007), which made use of a 50-m CRP streamer. Original Center People field contained: John Bratton, CRP and piezometer sampling; Charles Worley, CRP surveying; John Crusius, piezometer transect and radioisotope sampling; Kevin Kroeger, distributed piezometer sampling; Adrian Green, piezometer transect sampling; Wally Brooks, piezometer transect sampling; Sandy Baldwin, distributed piezometer sampling; Michael Casso, piezometer sampling.
Project = Reimbursement: Characterizing Sub. - South Bay, Reimbursement: Characterizing Sub. - South Bay


Great South Bay, Long Island, New York, United States, North America, North Atlantic;

North: 41 South: 40.5 West: -73.5 East: -72.5


photo of Terrapin


Brooks, T.W., Kroeger, K.D., Bratton, J.F., Crusius, John, Szymczycha, Beata, Mann, A.G., Brosnahan, S.B., Casso, Michael, and Erban, Laura, 2017, Coastal groundwater chemical data from the north and south shores of Long Island, New York: U.S. Geological Survey data release,

Cross, V.A., Bratton, J.F., Kroeger, K.D., Crusius, J., and Worley, C.W., 2013, Continuous Resistivity Profiling Data from Great South Bay, Long Island, New York: U.S.Geological Survey Open-File Report 2011-1040, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Seepage meters --- Current
2008-037-FA-GC-003-01 ( Additional records for Patchogue Bay in main Geochem project spreadsheet: field data plus analysis as completed.)
2008-037-FA-GC-002-01 ( Additional records for Patchogue Bay in main Geochem project spreadsheet: field data plus analysis as completed.)
2008-037-FA-GP-001 ( Groundwater discharge data from seepage meters: data collected by SUNY Stony Brook team. Salinity and temp measurements.)
GPS (wh) --- Navigation
YSI multiparameter sonde --- Conductivity
Dissolved Oxygen
Piezometer --- Conductivity
2008-037-FA-GC-002 ( Distributed piezometer sampling: along Patchogue Bay shoreline; geochemical parameters measured with YSI instrument.)
2008-037-FA-GC-003 ( Intensive piezometer transects: adjacent to Shorefront Park in Patchogue between Little Creek and Ocean Ave. pier, from beach to 30 m offshore, from surface to 9 m max. depth; geochemical parameters measured with YSI instruments.)
Resistivity Profiler --- Resistivity
2008-037-FA-RE-001-01 ( Linearization of the raw resistivity data with Marine Log Manager. A DEP file with depth information is also created.)
2008-037-FA-RE-001-02 ( EarthImager processed resistivity data: X, Y, and resistivity value parameters; color coding varies per profile.)
2008-037-FA-RE-001-03 ( MatLab JPEG images: conversion of previous images to similar scales and color bars to simplify comparison.)
RAD7 radon detection instrument --- Radon
Submersible pumps --- Surveys
2008-037-FA-SC-001 ( Groundwater sample suites collected at discrete depths at piezometer transect, and distributed sample points in Great South Bay. Analytes per each suite: N2O, CH4, NO3-, NO2-, PO43-, NH4+, 15NO3-, 15NH4+, N2/Ar, metals, DOC, DIC, stable Carbon isotopes. Also 222Rn, groundwater age tracers.)
Digital camera --- Photo
2008-037-FA-PH-001 ( Photos of field sampling sites, sampling methods.)
Grab sampler --- Biology
2008-037-FA-SC-002 ( Surface sediment samples collected from northern end of shore-perpendicular piezometer transect.)
Water sampler --- Chemistry
2008-037-FA-SC-003-01 ( Samples analysis for determination of concentrations of the various chemical constituents in groundwaters and surface waters.)
2008-037-FA-SC-003 ( Surface water sample suites collected near piezometer transect, Great South Bay. Analytes per each suite: N2O, CH4, NO3-, NO2-, PO43-, NH4+, 15NO3-, 15NH4+, DOC, DIC, stable Carbon isotopes, N2/Ar, metals.)

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