USGS - science for a changing world

USGS Coastal and Marine Geology Program

Field Activity Details for field activity 09SSP01

Other ID: none

Status: Completed

Organization(s): USGS, St. Petersburg Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): Christopher Smith

Affiliate Investigator(s):

Information Specialist(s): Christopher Reich

Data Type(s): Environmental Data: Conductivity, Environmental Data: Dissolved Oxygen, Environmental Data: pH, Imagery: Photo, Location-Elevation: Navigation, Sampling: Geology

Scientific Purpose/Goals: Historical trends in Marsh development


Start Port/Location: Mobile, AL

End Port/Location: Mobile, AL

Start Date: 2009-09-24

End Date: 2009-10-02

Equipment Used: MyronL probe, Camera, Digital, Hand Held, Bottom Grab Sampler, GPS , Push Corer

Information to be Derived: Marsh accumulation/sedimentation rates (xsPb-210 and Cs-137); Ecological succession and sediment sources (Stable C & N isotopes, Forams)

Summary of Activity and Data Gathered:

Staff: Christopher Reich

Affiliate Staff:

Notes: Additional equipment: probes, petite ponar.


Mobile Bay AL

North: 30.7215717 South: 30.20913418 West: -88.2078 East: -87.66945238




Osterman, L.E., Smith, C.G., 2012, Over 100 years of environmental change recorded by foraminifers and sediments in a large Gulf of Mexico estuary, Mobile Bay, AL, USA: Estuarine and Continental Shelf Science, v. 115, pp. 345–358, doi: 10.1016/j.ecss.2012.10.001.

Smith, C.G., Osterman, L.E., and Poore, R.Z., 2013, An examination of historic inorganic sedimentation and organic matter accumulation in several marsh types within the Mobile Bay and Mobile-Tensaw River Delta region: Journal of Coastal Research Special Issue 63, pp. 68–83, doi: 10.2112/SI63-007.1.

Smith, C.G., Osterman, L.E., 2013, An Evaluation of Temporal Changes in Sediment Accumulation and Impacts on Carbon Burial in Mobile Bay, Alabama, USA: Estuaries and Coasts, pp. 1–15, doi: 10.1007/s12237-013-9731-z.

Umberger, D.K., Osterman, L.E., Smith, C.G., Frazier, J., Richwine, K.A., 2012, Seasonal variability in the surface sediments of Mobile Bay, Alabama recorded by geochemistry and foraminifera, 2009-2010: U.S. Geological Survey Data Series 733, 28 p., URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
MyronL probe --- Resistivity
Camera, Digital, Hand Held --- Photo
Bottom Grab Sampler --- Biology
09SSP01-SA-pd-12 ( LOI (loss on ignition) grab samples)
09SPP01-SA-pd-16 ( Summary of basic physical properties of surface samples)
09SSP01-SA-pd-17 ( Summary of C and N isotopic signatures and C and N content of bulk organic matter)
09SSP01-SA-pd-13 ( Surface sediment data (physical parameters, isotopic signatures, foram abundances))
09SSP01-SA-pd-14 ( Foram assemblage counts (living and dead), and the recounts (living and dead) that account for dissolution)
GPS --- Navigation
Push Corer --- Geology
09SSP01-SA-pd-1 ( PB-210 and Cs-137 inventories and related parameters)
09SSP01-SA-pd-3 ( Summary of C and N isotopic signatures and C and N content of bulk organic matter )
09SSP01-SA-pd-2 ( summary of basic physical properties of marsh cores)
09SSP01-SA-pd-5 ( List of proposed event layers observed in march cores)
09SSP01-SA-pd-4 ( Linear sedimentation rates and mass accum. rates)
09SSP01-SA-pd-15 ( Forams and geochemistry data summary for box cores and marsh cores)

Accessibility FOIA Privacy Policies and Notices

U.S. Department of the Interior | U.S. Geological Survey
Questions or Comments? Contact CMGDS Team