Data Series 535-C

USGS Field Activity 09FSH02 on the West Florida Shelf, Gulf of Mexico, in August 2009

By Lisa L. Robbins,1 Paul O. Knorr,1 Xuewu Liu,2 Robert H. Byrne,2 and Ellen A. Raabe1

1U.S. Geological Survey, St. Petersburg, FL 33701.
2University of South Florida, College of Marine Science, St. Petersburg, FL 33701.README



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CD Organization
      
      This report is divided into seven sections: Home, Acronyms and Abbreviations, Disc Contents, Instrument, Methods, Data, Federal Geographic Data Committee (FGDC) Metadata, and Trackline. Links at the top and bottom of each page provide access to these sections. This report contains links to the U.S. Geological Survey (USGS), collaborators, and other available resources if access to the Internet is available while viewing these documents.  Geographic Information System (GIS) files, Hypertext Markup Language (HTML) files and images used to produce the Web pages, and this readme file are also included in this report.  The Disc Contents page contains a listing with locations and links to all files and folders contained on this disc.
      
Project Summary
      
      From August 17 to 21, 2009, a cruise led by the U.S. Geological Survey (USGS) collected air and sea surface partial pressure of carbon dioxide (pCO2), pH, dissolved inorganic carbon (DIC), and total alkalinity (TA) data on the west Florida Shelf. Approximately 2,000 data points were collected underway over a 1,320-km track line using the Multi-parameter Inorganic Carbon Analyzer (MICA). The collection of data extended from Crystal River southward to Marco Island, FL (~420 km trackline), and westward up to 130 km off the Florida coast. Discrete water samples from approximately 10 locations were also taken at specific localities to corroborate underway data measurements. The USGS St. Petersburg Coastal and Marine Science Center (SPCMSC) assigns a unique identifier to each cruise or field activity. For example, 09FSH02 tells us that the data were collected in 2009 for the Florida shelf (FSH) ecosystems response to climate change study and the data were collected during the second field activity for that study in that calendar year..