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Water Quality Data (Extensive) from the Taylor Slough, just outside Everglades National Park (FCE), from August 1998 to December 2006


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Authors: Tiffany Troxler, Daniel Childers
Time period: 1998-08-19 to 2006-12-03
Package id: knb-lter-fce.1076.4
Dataset id: LT_ND_Rondeau_001

How to cite:
Troxler, T., D. Childers. 2019. Water Quality Data (Extensive) from the Taylor Slough, just outside Everglades National Park (FCE), from August 1998 to December 2006. Environmental Data Initiative. https://doi.org/10.6073/pasta/986977091d9ff18aac52ea1c4886e64b. Dataset accessed 2024-04-20.

Geographic Coverage


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Detailed Metadata


  • Dataset Creator(s)
    • Name: Dr. Tiffany Troxler 
    • Position: Project Collaborator
    • Organization: Southeast Environmental Research Center
    • Address: Florida International University
      University Park
      OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-1453
    • Fax: 305-348-4096
    • Email: troxlert@fiu.edu
    • URL: http://wetland.fiu.edu/

    • Name: Dr. Daniel Childers 
    • Position: Associate Director for Research| Professor
    • Organization: Global Institute of Sustainability| School of Sustainability
    • Address: Arizona State University
      PO Box 875402
      Tempe, AZ 85287 USA
    • Phone: 480-965-2320
    • Fax: 480-965-8087
    • Email: dan.childers@asu.edu

  • Dataset Abstract
    Water quality samples are being collected using ISCO autosamplers at all wetland sites (that is, all sites except TS/Ph-9, 10, and 11). The autosamplers contain 24 1L bottles. Water is sampled by programming the autosamplers to take composite samples once every 3 days. These samples are a composite of four 250mL subsamples drawn every 18 hours (a sampling scheme that captures a dawn, noon, dusk, and midnight sample in every three day composite). Starting in December 2006 for Sites SRS1d, SRS2, SRS3, and June 2007 for TS/Ph1a, TS/Ph2, and TS/Ph3 - the 3 day composite samples are now combined in a 2 liter bottle upon returning to the lab to form 6 day composite sample. Samples are retrieved every 3-4 weeks. Retrieval of the composite samples may result in a composite sample which is less than three or six days. The recorded date for each composite sample indicates the end date of the sample interval. Samples are analyzed for total phosphorus (TP), total nitrogen (TN), and salinity. When sites are visited to collect these samples, we also collect a grab sample that is immediately put on ice. A portion of these grab samples are filtered through a Whatman GF/F filters (0.7 um) immediately upon return to the lab, and the filtered samples are analyzed for inorganic nutrients such as NO2-, NO3-, NH4+, SRP, and DOC. The unfiltered fraction of these grab samples is analyzed for TP, TN, and TOC (TOC is no longer analyzed starting in August 2005 for all sites). We use these montly grab samples to generate relationships between TP and SRP, and between TN and NO2- + NO3- + NH4+. Dissolved nutrients are measured using standard rapid flow analyzer (RFA) techniques. TP is analyzed with a modified Solorzano and Sharp (1980) technique. TN is measured with an Antec TN analyzer, TOC and DOC are quantified on a Shimadzu TOC Analyzer, and salinity is measured with a YSI conductivity meter. In addition to the regular water quality monitoring, we use the rain level actuators at all freshwater sites to trigger water sampling after rain events exceed a given threshold of duration and/or intensity. As currently programmed, when the threshold of = 2.5 cm of rain per hour is passed, the autosampler at that site collects a 1L sample every 15 minutes after the threshold has been reached and remains (previous to 2003 the autosampler was programmed to collect 500mL of water every 30 minutes while the threshold was being met). Rain event samples are collected, retrieved, and analyzed like out composite water quality samples.
  • Geographic Coverage
    Study Extent Description
    The Study Extent of this dataset includes 2 of the FCE Taylor Slough research sites just outside of Everglades National Park, South Florida

    Bounding Coordinates
    Data were collected in the Taylor Slough, just outside of Everglades National Park, South Florida
    N: 25.315, S: 25.295, E: -80.520, W: -80.522

    Florida Coastal Everglades LTER Study Area: South Florida, Everglades National Park, and Florida Bay
    N: 25.761, S: 24.913, E: -80.490, W: -81.078

    FCE LTER Sites
    TS/Ph4 and TS/Ph5

    All Sites
    Geographic Description
    Bounding Coordinates
    FCE LTER Site TS/Ph4
    N: 25.315, S: 25.315, E: -80.522, W: -80.522
    FCE LTER Site TS/Ph5
    N: 25.294, S: 25.294, E: -80.520, W: -80.520
  • Attributes
    • Data Table:   Water Quality Data (Extensive) from the Taylor Slough, just outside of Everglades National Park, South Florida
      Attribute Name:
      SITENAME
      Attribute Label:
      sitename
      Attribute Definition:
      Name of LTER site
      Storage Type:
      text
      Measurement Scale:
      Name of LTER site
      Missing Value Code:
       

      Attribute Name:
      Date
      Attribute Label:
      date
      Attribute Definition:
      Collection date
      Storage Type:
      datetime
      Measurement Scale:
      Missing Value Code:
       

      Attribute Name:
      Salinity
      Attribute Label:
      salinity
      Attribute Definition:
      Composite salinity
      Storage Type:
      data
      Measurement Scale:
      Units: PSU
      Precision: 0.1
      Number Type: real
      Missing Value Code:
      -9999.0 (Value will never be recorded )

      Attribute Name:
      TN
      Attribute Label:
      total nitrogen
      Attribute Definition:
      Composite total nitrogen
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.001
      Number Type: real
      Missing Value Code:
      -9999.000 (Value will never be recorded )

      Attribute Name:
      TP
      Attribute Label:
      total phosphorus
      Attribute Definition:
      Composite total phosphorus
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded )


  • Methods
    Sampling Description
    Water quality samples are being collected using ISCO autosamplers at all wetland sites (that is, all sites except TS/Ph-9, 10, and 11). The autosamplers contain 24 1L bottles. Water is sampled by programming the autosamplers to take composite samples once every 3 days. These samples are a composite of four 250mL subsamples drawn every 18 hours (a sampling scheme that captures a dawn, noon, dusk, and midnight sample in every three day composite). Starting in December 2006 for Sites SRS1d, SRS2, SRS3, and June 2007 for TS/Ph1a, TS/Ph2, and TS/Ph3 - the 3 day composite samples are now combined in a 2 liter bottle upon returning to the lab to form 6 day composite sample. Samples are retrieved every 3-4 weeks. Retrieval of the composite samples may result in a composite sample which is less than three or six days. The recorded date for each composite sample indicates the end date of the sample interval. Samples are analyzed for total phosphorus (TP), total nitrogen (TN), and salinity. When sites are visited to collect these samples, we also collect a grab sample that is immediately put on ice. A portion of these grab samples are filtered through a Whatman GF/F filters (0.7 um) immediately upon return to the lab, and the filtered samples are analyzed for inorganic nutrients such as NO2-, NO3-, NH4+, SRP, and DOC. The unfiltered fraction of these grab samples is analyzed for TP, TN, and TOC (TOC is no longer analyzed starting in August 2005 for all sites). We use these montly grab samples to generate relationships between TP and SRP, and between TN and NO2- + NO3- + NH4+. Dissolved nutrients are measured using standard rapid flow analyzer (RFA) techniques. TP is analyzed with a modified Solorzano and Sharp (1980) technique. TN is measured with an Antec TN analyzer, TOC and DOC are quantified on a Shimadzu TOC Analyzer, and salinity is measured with a YSI conductivity meter. In addition to the regular water quality monitoring, we use the rain level actuators at all freshwater sites to trigger water sampling after rain events exceed a given threshold of duration and/or intensity. As currently programmed, when the threshold of = 2.5 cm of rain per hour is passed, the autosampler at that site collects a 1L sample every 15 minutes after the threshold has been reached and remains (previous to 2003 the autosampler was programmed to collect 500mL of water every 30 minutes while the threshold was being met). Rain event samples are collected, retrieved, and analyzed like out composite water quality samples.

    Method Step

    Description
    Water quality samples are being collected using ISCO autosamplers at all wetland sites (that is, all sites except TS/Ph-9, 10, and 11). The autosamplers contain 24 1L bottles. Water is sampled by programming the autosamplers to take composite samples once every 3 days. These samples are a composite of four 250mL subsamples drawn every 18 hours (a sampling scheme that captures a dawn, noon, dusk, and midnight sample in every three day composite). Starting in December 2006 for Sites SRS1d, SRS2, SRS3, and June 2007 for TS/Ph1a, TS/Ph2, and TS/Ph3 - the 3 day composite samples are now combined in a 2 liter bottle upon returning to the lab to form 6 day composite sample. Samples are retrieved every 3-4 weeks. Retrieval of the composite samples may result in a composite sample which is less than three or six days. The recorded date for each composite sample indicates the end date of the sample interval. Samples are analyzed for total phosphorus (TP), total nitrogen (TN), and salinity. When sites are visited to collect these samples, we also collect a grab sample that is immediately put on ice. A portion of these grab samples are filtered through a Whatman GF/F filters (0.7 um) immediately upon return to the lab, and the filtered samples are analyzed for inorganic nutrients such as NO2-, NO3-, NH4+, SRP, and DOC. The unfiltered fraction of these grab samples is analyzed for TP, TN, and TOC (TOC is no longer analyzed starting in August 2005 for all sites). We use these montly grab samples to generate relationships between TP and SRP, and between TN and NO2- + NO3- + NH4+. Dissolved nutrients are measured using standard rapid flow analyzer (RFA) techniques. TP is analyzed with a modified Solorzano and Sharp (1980) technique. TN is measured with an Antec TN analyzer, TOC and DOC are quantified on a Shimadzu TOC Analyzer, and salinity is measured with a YSI conductivity meter. In addition to the regular water quality monitoring, we use the rain level actuators at all freshwater sites to trigger water sampling after rain events exceed a given threshold of duration and/or intensity. As currently programmed, when the threshold of = 2.5 cm of rain per hour is passed, the autosampler at that site collects a 1L sample every 15 minutes after the threshold has been reached and remains (previous to 2003 the autosampler was programmed to collect 500mL of water every 30 minutes while the threshold was being met). Rain event samples are collected, retrieved, and analyzed like out composite water quality samples.

    Instrumentation
    ISCO Model 6700 & ISCO Model 6712 Auto-samplers Whatman GF/F filters (0.7 um) Nalgene Reusable Inline Filter Holder Monoject 140cc syringes Computer

    Quality Control
    Data that already meets Lab QA/QC is then evaluated by a Field Technician for patterns and trends, and finally by the PI for patterns and trends. When looking at patterns and trends, the Field Technician and/or PI looks for any values that "spike" or "valley" with an above/below quanity greater than double preceding and post values.
  • Distribution and Intellectual Rights
    Online distribution
    http://fcelter.fiu.edu/perl/public_data_download.pl?datasetid=LT_ND_Rondeau_001.txt
    Data Submission Date:  2008-03-12

    Intellectual Rights
    This information is released under the Creative Commons license - Attribution - CC BY (https://creativecommons.org/licenses/by/4.0/). The consumer of these data ("Data User" herein) is required to cite it appropriately in any publication that results from its use. The Data User should realize that these data may be actively used by others for ongoing research and that coordination may be necessary to prevent duplicate publication. The Data User is urged to contact the authors of these data if any questions about methodology or results occur. Where appropriate, the Data User is encouraged to consider collaboration or co-authorship with the authors. The Data User should realize that misinterpretation of data may occur if used out of context of the original study. While substantial efforts are made to ensure the accuracy of data and associated documentation, complete accuracy of data sets cannot be guaranteed. All data are made available "as is." The Data User should be aware, however, that data are updated periodically and it is the responsibility of the Data User to check for new versions of the data. The data authors and the repository where these data were obtained shall not be liable for damages resulting from any use or misinterpretation of the data. Thank you.

  • Publications citing this dataset
    Long, Stephanie A., Georgio I. Tachiev, Robert Fennema, Amy M. Cook, Michael C. Sukop, and Fernando Miralles-Wilhelm 2024. Modeling the impact of restoration efforts on phosphorus loading and transport through Everglades National Park, FL, USA. Science of The Total Environment 520: 81-95.

    DOI : 10.1016/j.scitotenv.2015.01.094

    Flower, Hilary, Mark Rains, and Carl Fitz 2024. Visioning the Future: Scenarios Modeling of the Florida Coastal Everglades. Environmental Management 60: 989-1009.

    DOI : 10.1007/s00267-017-0916-2

  • Keywords
    water quality, inorganic nutrients, salinity, total nitrogen, biogeochemistry, total phosphorus, FCE, Florida Coastal Everglades LTER, ecological research, long-term monitoring, water quality, inorganic nutrients, salinity, TN, biogeochemistry, TP, Taylor Slough, Everglades National Park, total nitrogen, total phosphorus, water, extensive
  • Dataset Contact
    • Name: Rafael Travieso 
    • Position: South Florida Wetland Ecosystems Lab Field Technican
    • Organization: Southeast Environmental Research Center
    • Address: Florida International University
      University Park
      OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-7286
    • Fax: 305-348-4096
    • Email: travieso@fiu.edu
    • URL: http://www.fiu.edu/~ecosyst/

    • Position: Information Manager
    • Organization: Florida Coastal Everglades LTER Program
    • Address: Florida International University
      University Park
      OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-6054
    • Fax: 305-348-4096
    • Email: fcelter@fiu.edu
    • URL: http://fcelter.fiu.edu

  • Data Table and Format
    Data Table:  Water Quality Data (Extensive) from the Taylor Slough, just outside of Everglades National Park, South Florida

    Entity Name:
    LT_ND_Rondeau_001
    Entity Description:
    Water Quality Data (Extensive) from the Taylor Slough, just outside of Everglades National Park, South Florida
    Object Name:
    LT_ND_Rondeau_001
    Number of Header Lines:
    1
    Attribute Orientation:
    column
    Field Delimiter:
    ,
    Number of Records:
    1125