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Water Quality Data (Zucker)

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Frequently-anticipated questions:


What does this data set describe?

Title: Water Quality Data (Zucker)
Abstract:
The data are available for 14 sites in multiple formats from the National Water Information Systems (NWIS) website
  1. How should this data set be cited?

    Jeff Woods Mark Zucker, 2007, Water Quality Data (Zucker).

    Online Links:

  2. What geographic area does the data set cover?

    West_Bounding_Coordinate: -81.1
    East_Bounding_Coordinate: -80.35
    North_Bounding_Coordinate: 25.5
    South_Bounding_Coordinate: -25.1

  3. What does it look like?

    <http://sofia.usgs.gov/projects/statementsofwork07/images/coastalgrads_fig1x.jpg> (JPEG)
    Location of RECOVER MAP coastal gradients monitoring stations in relation to other USGS monitoring stations
    <http://sofia.usgs.gov/projects/statementsofwork07/images/coastalgrads_fig2x.jpg> (JPEG)
    Location of nine generalized coastal transects involved in the study
    <http://sofia.usgs.gov/projects/statementsofwork07/images/coastalgrads_fig6x.jpg> (JPEG)
    Locations of nutrients collection stations within the USGS Coastal Integrated Monitoring Network

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

    Beginning_Date: 27-Dec-1997
    Ending_Date: 10-Jul-2007
    Currentness_Reference: ground condition

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

    Geospatial_Data_Presentation_Form: website

  6. How does the data set represent geographic features?

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

      Indirect_Spatial_Reference: Everglades National Park

    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 1. Longitudes are given to the nearest 1. Latitude and longitude values are specified in Degrees, minutes, and decimal seconds.

      The horizontal datum used is North American Datum of 1983.
      The ellipsoid used is Geodetic Reference System 80.
      The semi-major axis of the ellipsoid used is 6378137.
      The flattening of the ellipsoid used is 1/298.257.

  7. How does the data set describe geographic features?

    Entity_and_Attribute_Overview:
    Available data for each site include salinity in parts per thousand (ppt), and temperature in degrees Celsius.
    Entity_and_Attribute_Detail_Citation: National Water Information System (NWIS)


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?

    Project personnel include Jeff Woods, Marc Stewart, Rich Kachelriess, and Jessica Adams

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

    Mark Zucker
    U.S. Geological Survey
    3110 SW 9th Ave.
    Ft. Lauderdale, FL 33315
    USA

    954 377-5952 (voice)
    954 377-5901 (FAX)
    mzucker@usgs.gov


Why was the data set created?

In 1995 the U.S. Geological Survey (USGS) began a series of studies to monitor several major creeks and rivers that discharge freshwater into northeastern Florida Bay and the southwest coastal estuaries of Everglades National Park. These studies provide water flow, salinity, temperature, and water-level data for hydrodynamic model development and calibration and also supply baseline information for other physical, biological, and chemical studies being conducted in these areas.

From 2004 through 2006 the Restoration, Coordination, and VERification program (RECOVER) Monitoring and Assessment Plan (MAP) funded 10 monitoring stations that together with the existing coastal monitoring network created a network of about 40 sites that could be analyzed for coastal gradients of flow, salinity, and nutrients. The purpose of this network is to gather information on the interactions between the Everglades mangrove transition zone and the freshwater wetlands.


How was the data set created?

  1. From what previous works were the data drawn?

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

    Date: 2004 (process 1 of 2)
    Automatic samplers are used at three locations to collect water samples for nutrient analysis. Every 18 hours a 120 ml water sample is pumped into a pre-preserved (1:1 sulfuric acid) composite bottle that is made up of four pumping sessions over a 3-day period. Field visits to collect sample bottles are made every 24 days. During a routine site visit, representative water samples are collected following a multiple vertical sampling approach quarterly at each station. Samples are collected and analyzed at the USGS National Water Quality Laboratory for total and dissolved nutrients. Water samples collected with auto-samplers are analyzed for total nitrogen (TKN) and total phosphorus (TP) concentrations. Point samples are collected to assess the potential of bio-fouling of the sampling port during monthly deployments and to compare the point data to the multiple vertical sampling data (i.e. representative data)

    Date: Not complete (process 2 of 2)
    Published and provisional water quality data can be accessed at <http://sofia.usgs.gov/exchange/zucker_woods_patino/wtrqualindex.html>. Additional project information on the water quality network can be obtained at <http://sofia.usgs.gov/projects/statementsofwork07/coastalgrads.html>. Information is detailed in the water year 2007 statement of work.

    Person who carried out this activity:

    Mark Zucker
    U.S. Geological Survey
    3110 SW 9th Ave.
    Ft. Lauderdale, FL 33315
    USA

    954 377-5952 (voice)
    954 377-5901 (FAX)
    mzucker@usgs.gov

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

    Woods, Jeff Zucker, Mark, 2007, Estuarine Response in Northeastern Florida Bay to Major Hurricanes in 2005: USGS Circular 1306, chapter 6, U.S. Geological Survey, Reston, VA.

    Online Links:

    This is part of the following larger work.

    Farris, G. S.; Smith, G. J.; Crane, M. P.;, 2007, Science and the Storms: The USGS Response to the Hurricanes of 2005: USGS Circular 1306, U.S. Geological Survey, Reston, VA.

    Online Links:


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

  1. How well have the observations been checked?

  2. How accurate are the geographic locations?

    Horizontal positions were established with the use of GPS equipment.

  3. How accurate are the heights or depths?

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

    Not all stations have water quality data or are complete

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

    Water-quality samples will be collected at three locations (West Highway Creek, Manatee Bay Creek, and Card Sound Canal) for determining the total and dissolved nutrient concentrations.


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

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

    Heather S.Henkel
    U.S. Geological Survey
    600 Fourth St. South
    St. Petersburg, FL 33701
    USA

    727 803-8747 ext 3028 (voice)
    727 803-2030 (FAX)
    hhenkel@usgs.gov

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

    Water Quality Data

  3. What legal disclaimers am I supposed to read?

    Data from 1996 to 2000 is published. Data after 2000 is provisional and subject to revision

  4. How can I download or order the data?


Who wrote the metadata?

Dates:
Last modified: 02-Apr-2008
Metadata author:
Heather Henkel
U.S. Geological Survey
600 Fourth Street South
St. Petersburg, FL 33701
USA

727 803-8747 ext 3028 (voice)
727 803-2030 (FAX)
sofia-metadata@usgs.gov

Metadata standard:
Content Standard for Digital Geospatial Metadata (FGDC-STD-001_1998)


This page is <http://sofia.usgs.gov/metadata/sflwww/wq_data_zucker.faq.html>

U.S. Department of the Interior, U.S. Geological Survey
Comments and suggestions? Contact: Heather Henkel - Webmaster
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