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Contaminants Synthesis

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Frequently anticipated questions:


What does this data set describe?

Title: Contaminants Synthesis
Abstract:
This study supports several of the projects listed in the DOI science plan. The study supports the Comprehensive Integrated Water Quality Feasibility Study in the Landscape Science needs of the DOI Science Plan (p. 85), by examining links between water quality and ecosystem structure and function, identifying degraded parts of the ecosystem and quantifying links to contaminants (nutrients, sulfur, organics, and mercury), and investigating the impacts of ASR on the ecosystem. It also addresses risks to wildlife from soil-borne contaminants (sulfur, mercury, organics), through studies of the effects of dry/rewet cycles (Threats Associated with Rehydration of Agricultural Lands, p. 87; Predicting bioavailability of mercury (methylation) following inundation of dry land based on soil and water chemistry, p. 89) on methylmercury formation in STA's. The study supports the Arthur R. Marshall Loxahatchee NWR Internal Canal Structure Project by addressing the impacts of water quality (sulfur/nutrients/mercury) and water management practices on refuge resources, p. 40. The study addresses the Combined Structural and Operational Plan (CSOP) and the Water Conservation Area 3 Decompartmentalization and Sheetflow Enhancement by addressing the potential for increases in toxic contaminant loads (especially sulfur) and its ecological impact, p. 71. Overall, the synthesis report will seek to provide a integrated picture of these critical contaminants in the south Florida ecosystem, but also help to identify possible means toward improving conditions in the future through optimal land management decisions.
  1. How should this data set be cited?

    David P. Krabbenhoft, William H. Orem, George Aiken, 2007, Contaminants Synthesis.

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -81.5
    East_Bounding_Coordinate: -80.39
    North_Bounding_Coordinate: 25.89
    South_Bounding_Coordinate: 24.85
    Description_of_Geographic_Extent: Florida Everglades

  3. What does it look like?

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

    Beginning_Date: 2005
    Ending_Date: 2007
    Currentness_Reference: ground condition

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

    Geospatial_Data_Presentation_Form: Project

  6. How does the data set represent geographic features?

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

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

  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)

    • David P. Krabbenhoft, William H. Orem, George Aiken

  2. Who also contributed to the data set?

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


Why was the data set created?

The objective of this project is to produce a synthesis report on contaminants in the Everglades, specifically focusing on the major contaminants of concern: nutrients, sulfur, mercury, and organics. This project links directly to the “Integrated Biogeochemical Studies of Contaminants in the Everglades”, and “Interactions of Mercury with Dissolved Organic Carbon in the Everglades” projects of the GEPES Program, which are the science projects providing the information for this synopsis report project. The project is subdivided into three Tasks. Task 1 will produce a mercury synthesis, with David Krabbenhoft as the lead. Task 2 will concentrate on sulfur and nutrients, with William Orem as the lead. Task 3 will develop the role of dissolved organic carbon (DOC) in methylmercury production, and changes in DOC associated with contaminants entering the Everglades, with George Aiken as the lead


How was the data set created?

  1. From what previous works were the data drawn?

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

  3. What similar or related data should the user be aware of?


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


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:
Cite primary authors and database when using or publishing these data

  1. Who distributes the data set? (Distributor 1 of 1)

    Heather S. Henkel
    U.S. Geological Survey
    600 4th Street South
    St. Petersburg, FL 33701
    USA

    727-502-8028 (voice)
    727-502-8182 (FAX)
    hhenkel@usgs.gov
  2. What's the catalog number I need to order this data set?

  3. What legal disclaimers am I supposed to read?

    The data have no explicit or implied guarantees.

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 25-Sep-2014
Metadata author:
Heather S. Henkel
U.S. Geological Survey
600 4th Street South
St. Petersburg, FL 33701
USA

727-502-8028 (voice)
727-502-8182 (FAX)
sofia-metadata@usgs.gov
Metadata standard:
FGDC Biological Data Profile of the Content Standard for Digital Geospatial Metadata (FGDC-STD-001.1-1999)


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Last updated: 23 December, 2016 @ 01:49 PM (KP)