Reconnaissance of chemical and physical characteristics of selected bottom sediments of the Caloosahatchee River and Estuary, tributaries, and contiguous bays, Lee County, Florida, July 20-30, 1998

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What does this data set describe?

Title:
Reconnaissance of chemical and physical characteristics of selected bottom sediments of the Caloosahatchee River and Estuary, tributaries, and contiguous bays, Lee County, Florida, July 20-30, 1998
Abstract:
This report summarizes a reconnaissance study, conducted July 20-30, 1998, of chemical and physical characteristics of recently deposited bottom sediments in the Caloosahatchee River and Estuary. Recently deposited sediments were identified using an isotopic chronometer, Beryllium-7 (7Be), a short-lived radioisotope. Fifty-nine sites were sampled in an area that encompasses the Caloosahatchee River (River) about three miles upstream from the Franklin Lock (S-79), the entire tidally affected length of the river (estuary), and the contiguous water bodies of Matlacha Pass, San Carlos Bay, Estero Bay, Tarpon Bay, and Pine Island Sound in Lee County, Florida. Bottom sediments were sampled for 7Be at 59 sites. From the results of the 7Be analysis, 30 sites were selected for physical and chemical analysis. Sediments were analyzed for particle size, total organic carbon (TOC), trace elements, and toxic organic compounds, using semiquantitative methods for trace elements and organic compounds. The semiquantitative scans of trace elements indicated that cadmium, copper, lead, and zinc concentrations, when normalized to aluminum, were above the natural background range at 24 of 30 sites. Particle size and TOC were used to characterize sediment deposition patterns and organic content. Pesticides, polychlorinated biphenyls (PCBs), and carcinogenic polycyclic aromatic hydrocarbons (CaPAHs) were determined at 30 sites using immunoassay analysis. The semiquantitative immunoassay analyses of toxic organic compounds indicated that all of the samples contained DDT, cyclodienes as chlordane (pesticides), and CaPAHs. PCBs were not detected. Based on analyses of the 30 sites, sediments at 10 of these sites were analyzed for selected trace elements and toxic organic compounds, including pesticides, PCBs, and PAHs, using quantitative laboratory procedures. No arsenic or cadmium was detected. Zinc was detected at two sites with concentrations greater than the lower limit of the range of sediment contaminant concentrations that are usually or always associated with adverse effects (Florida Department of Environmental Protection's Sediment Quality Assessment Guidelines). Organochlorine pesticides were detected at four sites at concentrations below the reporting limits; there were no organophosphorus pesticides or PCBs detected. PAHs were detected at eight sites; however, only four sites had concentrations above the reporting limit.
  1. How should this data set be cited?

    Mario Fernandez, Jr., Marot, Marci, Holmes, Charles, and U.S. Geological Survey, 1999, Reconnaissance of chemical and physical characteristics of selected bottom sediments of the Caloosahatchee River and Estuary, tributaries, and contiguous bays, Lee County, Florida, July 20-30, 1998: Open-File Report 99-226.

    Online Links:

    Other_Citation_Details:
    U.S. Geological Survey, Coastal and Marine Geology Program, St. Petersburg, Florida, 129 p.

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -82.1315
    East_Bounding_Coordinate: -81.6812
    North_Bounding_Coordinate: 26.7263
    South_Bounding_Coordinate: 26.3517

  3. What does it look like?

    99226.jpg
    Image showing geographic extent of data layer coverage

  4. Does the data set describe conditions during a particular time period?

    Calendar_Date: 1999
    Currentness_Reference: publication date

  5. What is the general form of this data set?

    Geospatial_Data_Presentation_Form: .pdf document

  6. How does the data set represent geographic features?

    1. How are geographic features stored in the data set?

      This is a Vector data set. It contains the following vector data types (SDTS terminology):

      • Entity point (59)

    2. What coordinate system is used to represent geographic features?

      Horizontal positions are specified in geographic coordinates, that is, latitude and longitude. Latitudes are given to the nearest 0.1234. Longitudes are given to the nearest 0.1234. Latitude and longitude values are specified in Decimal degrees.

  7. How does the data set describe geographic features?

Who produced the data set?

  1. Who are the originators of the data set? (may include formal authors, digital compilers, and editors)

  2. Who also contributed to the data set?

    Please review the cross reference information for the original data set credit to Fernandez and others (1999), and Jamey Reid for digitizing samples locations and entering the data from the source report.

  3. To whom should users address questions about the data?

    Mario Fernandez
    U.S. Geological Survey
    Hydrologist
    600 Fourth Street South
    St. Petersburg, FL 33701
    USA

    (727) 803-8747 x3066 (voice)
    (727) 803-2031 (FAX)
    mfernand@usgs.gov

Why was the data set created?

The purpose of this data layer is to create a digital version of the sedimentary characteristics published by Fernandez and others (1999) for inclusion in the usSEABED data collection.

How was the data set created?

  1. From what previous works were the data drawn?

  2. How were the data generated, processed, and modified?

    (process 1 of 1)
    Digital data were hand formatted into dbSEABED data entry structure, then filtered and data-mined through dbSEABED software (version: db9_MNEx.bas)

    Person who carried out this activity:

    Jane Reid
    U.S. Geological Survey
    Geologist
    400 Natural Bridges Drive
    Santa Cruz, CA 95060
    USA

    (831) 427-4727 (voice)
    (831) 427-4748 (FAX)
    jareid@usgs.gov

    Contact_Instructions: email preferred
  3. What similar or related data should the user be aware of?

How reliable are the data; what problems remain in the data set?

  1. How well have the observations been checked?

    All attributes were entered and checked in a consistent manner.

  2. How accurate are the geographic locations?

    Navigational accuracy is unknown.

  3. How accurate are the heights or depths?

  4. Where are the gaps in the data? What is missing?

    Sedimentary descriptions and locations are provided for 59 samples.

  5. How consistent are the relationships among the observations, including topology?

    No additional check for topological consistency were performed on this data.

How can someone get a copy of the data set?

Are there legal restrictions on access or use of the data?

Access_Constraints: None
Use_Constraints:
None except that acknowledgement must be made in publications and reports of (i) the original data source, and (ii) the data integration by USGS and dbSEABED project at the University of Colorado.

  1. Who distributes the data set?[Distributor contact information not provided.]

  2. What's the catalog number I need to order this data set?

    Fernandez and others, 1999

  3. What legal disclaimers am I supposed to read?

    Although this data set has been used by the U.S. Geological Survey (USGS), no warranty, expressed or implied, is made by the USGS as to the accuracy of the data and/or related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the USGS in the use of these data or related materials. Trade, firm, or product names and other references to non-USGS products and services are provided for information only and do not constitute endorsement or warranty, express or implied, by the USGS, USDOI, or U.S. Government, as to their suitability, content, usefulness, functioning, completeness, or accuracy.

  4. How can I download or order the data?

Who wrote the metadata?

Dates:
Last modified: 27-Mar-2006
Metadata author:
U.S. Geological Survey
c/o Brian J. Buczkowski
Core Curator and Data Management Specialist
384 Woods Hole Road
Woods Hole, MA 02543-1598
USA

(508) 548-8700 x2361 (voice)
(508) 457-2310 (FAX)
bbuczkowski@usgs.gov

Metadata standard:
FGDC Content Standards for Digital Geospatial Metadata (FGDC-STD-001-1998)
Metadata extensions used:

Generated by mp version 2.8.24 on Mon Mar 27 19:54:04 2006