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Water Quality Data (Porewater) from the Shark River Slough, Everglades National Park (FCE LTER), Florida, USA, January 2001 - ongoing


At a Glance


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Authors: Evelyn Gaiser, Daniel Childers
Time period: to
Package id: knb-lter-fce.1069.14
Dataset id: LT_ND_Grahl_003

How to cite:
Gaiser, E., D. Childers. 2022. Water Quality Data (Porewater) from the Shark River Slough, Everglades National Park (FCE LTER), Florida, USA, January 2001 - ongoing. Environmental Data Initiative. https://doi.org/. Dataset accessed 2023-09-28.

Geographic Coverage


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Detailed Metadata


  • Dataset Abstract
    Porewater samples are collected at SRS1b,SRS2,SRS3, TS/Ph-1-5 within the 1 m^ aboveground sawgrass nondestructive biomass plots. Airstones connected to Tygon tubing are inserted 10-15 cm below the soil surface. Biannually during the wet season, Monoject 140cc syringes are used to collect at least 80 mL of porewater sample and after collection they are immediately placed in an ice filled cooler. The lab processing of these samples include salinity measurements using a refractometer, and filtering the sample through a Whatman GF/F filter. Samples are analyzed for inorganic nutrients such as NO2-,NO3-,NH4+,SRP, and DOC. Dissolved nutrients are measured using standard rapid flow analyzer (RFA) techniques and DOC is quantified on a Shimadzu TOC Analyzer.
  • Geographic Coverage
    Study Extent Description
    The Study Extent of this dataset includes the FCE Shark River Slough research sites within Everglades National Park, South Florida

    Bounding Coordinates
    FCE LTER Site SRS1b
    N: 25.758, S: 25.758, E: -80.726, W: -80.726

    FCE LTER Site SRS2
    N: 25.550, S: 25.550, E: -80.785, W: -80.785

    FCE LTER Site SRS3
    N: 25.468, S: 25.468, E: -80.853, W: -80.853

    FCE LTER Site SRS1c
    N: 25.755, S: 25.755, E: -80.574, W: -80.574

    FCE LTER Site SRS1d
    N: 25.746, S: 25.746, E: -80.654, W: -80.654

    All Sites
    Geographic Description
    Bounding Coordinates
    FCE LTER Site SRS1b
    N: 25.758, S: 25.758, E: -80.726, W: -80.726
    FCE LTER Site SRS2
    N: 25.550, S: 25.550, E: -80.785, W: -80.785
    FCE LTER Site SRS3
    N: 25.468, S: 25.468, E: -80.853, W: -80.853
    FCE LTER Site SRS1c
    N: 25.755, S: 25.755, E: -80.574, W: -80.574
    FCE LTER Site SRS1d
    N: 25.746, S: 25.746, E: -80.654, W: -80.654
  • Attributes
    • Data Table:   Water Quality Data (Porewater) from the Shark River Slough, 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:
      Plot
      Attribute Label:
      plot
      Attribute Definition:
      Plot number
      Storage Type:
      ordinal ID
      Measurement Scale:
      Plot number
      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: 1
      Number Type: real
      Missing Value Code:
      -9999 (Value will never be recorded )

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

      Attribute Name:
      NO2
      Attribute Label:
      nitrite
      Attribute Definition:
      nitrite
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded )

      Attribute Name:
      NH4
      Attribute Label:
      ammonium
      Attribute Definition:
      ammonium
      Storage Type:
      data
      Measurement Scale:
      Units: microMolesPerLiter
      Precision: 0.01
      Number Type: real
      Missing Value Code:
      -9999.00 (Value will never be recorded )

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

      Attribute Name:
      DOC
      Attribute Label:
      dissolved organic carbon
      Attribute Definition:
      dissolved organic carbon
      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:
      NO3
      Attribute Label:
      nitrate
      Attribute Definition:
      nitrate
      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
    Porewater samples are collected at SRS1d,SRS2,SRS3, TS/Ph-1-5 within the 1 m^ aboveground sawgrass nondestructive biomass plots. Airstones connected to Tygon tubing are inserted 10-15 cm below the soil surface. Biannually during the wet season, Monoject 140cc syringes are used to collect at least 80 mL of porewater sample and after collection they are immediately placed in an ice filled cooler. The lab processing of these samples include salinity measurements using a refractometer, and filtering the sample through a Whatman GF/F filter. Samples are analyzed for inorganic nutrients such as NO2-,NO3-,NH4+,SRP, and DOC. Dissolved nutrients are measured using standard rapid flow analyzer (RFA) techniques and DOC is quantified on a Shimadzu TOC Analyzer.

    Method Step

    Description
    Porewater samples are collected at SRS1b,SRS2,SRS3, TS/Ph-1-5 within the 1 m^ aboveground sawgrass nondestructive biomass plots. Airstones connected to Tygon tubing are inserted 10-15 cm below the soil surface. Biannually during the wet season, Monoject 140cc syringes are used to collect at least 80 mL of porewater sample and after collection they are immediately placed in an ice filled cooler. The lab processing of these samples include salinity measurements using a refractometer, and filtering the sample through a Whatman GF/F filter. Samples are analyzed for inorganic nutrients such as NO2-,NO3-,NH4+,SRP, and DOC. Dissolved nutrients are measured using standard rapid flow analyzer (RFA) techniques and DOC is quantified on a Shimadzu TOC Analyzer.

    Instrumentation
    Airstone Tygon tubing (1/16 inner diameter) Whatman GF/F filters (0.7 um) Nalgene Reusable Inline Filter Holder Monoject 140cc syringes Computer

    Quality Control
    Field data are written in pencil on waterproof paper and photocopied upon return to the laboratory. They are then entered into the appropriate digital format. These data are reviewed in hard copy and digital format by the lab manager. Laboratory data are written in pencil on waterproof paper, photocopied prior to computer entry and then entered digitally in duplicate and cross-referenced to hard copy notes. Data outliers, determined by comparison to long-term variance in that parameter, are highlighted in resulting spreadsheets for examination by the principal investigator, who may discard the values.
  • Distribution and Intellectual Rights
    Online distribution
    https://pasta.lternet.edu/package/data/eml/knb-lter-fce/1069/14/62fefec018aa35f429d47f9d12763307
    Data Submission Date:  2022-02-08

    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.

  • Keywords
    wetlands, long term monitoring, water quality , inorganic nutrients, FCE, Florida Coastal Everglades LTER, ecological research, long-term monitoring, water quality, inorganic nutrients, salinity, nitrate and nitrite, biogeochemistry, porewater, nitrite, ammonium, soluble reactive phosphorus, dissolved organic carbon, nitrate, water
  • Dataset Contact
    • Name: Rafael Travieso 
    • Position: Technical Staff
    • Organization: Southeast Environmental Research Center
    • Address: Florida International University
      MMC
      OE 148
      Miami, FL 33199 USA
    • Phone: 305-348-7286
    • Fax: 305-348-4096
    • Email: travieso@fiu.edu
    • URL: http://algae.fiu.edu/

    • Position: Information Manager
    • Organization: Florida Coastal Everglades LTER Program
    • Address: Florida International University
      MMC
      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 (Porewater) from the Shark River Slough, Everglades National Park, South Florida

    Entity Name:
    LT_ND_Grahl_003.csv
    Entity Description:
    Water Quality Data (Porewater) from the Shark River Slough, Everglades National Park, South Florida
    Object Name:
    LT_ND_Grahl_003.csv
    Number of Header Lines:
    1
    Attribute Orientation:
    column
    Field Delimiter:
    ,
    Number of Records:
    320