WAT-VA-SigmaNutrients_csv

Nutrient samples collected by Sigma Autosampler between 2001 and 2015 in three headwater sites of contrasting land use, and at the Parker and Ipswich River Dams as they enter into the estuaries.

Download: WAT-VA-SigmaNutrients.csv
Variables
Site
  • Label: Site
  • Definition: Field Collection Site
  • Type: Code list
  • Codes:
    • CC = Cart Creek (forest)
    • CS = Cedar Swamp (wetland)
    • SB = Saw Mill Br (urban)
    • ID = Ipswich R. Dam
    • PD = Parker R. Dam
  • Missing values:
    • NA = missing
Year
  • Label: Year
  • Definition: Year of collection
  • Type: Date/time
  • Date format: YYYY
  • Missing values:
    • NA = missing
Date 1
  • Label: Date 1
  • Definition: Start date of sample collection
  • Type: Date/time
  • Date format: YYYY-MM-DD
  • Missing values:
    • NA = missing
Date 2
  • Label: Date 2
  • Definition: End date of sample collection
  • Type: Date/time
  • Date format: YYYY-MM-DD
  • Missing values:
    • NA = missing
SampleType
  • Label: SampleType
  • Definition: A description of the type of sample routine used with the Sigma
  • Type: Code list
  • Codes:
    • Daily = one days sample per bottle collected by the autosampler
    • TwoDayComposite = two days sample per bottle collected by the autosampler
    • Volunteer = one days sample collected by volunteer
    • Composite-timeweighted_*hrs = samples are collected every * hours and pumped into a single carboy
    • Composite-flowweighted_*cms = samplers are collected after every * cubic meters has passed by the sigma
  • Missing values:
    • NA = missing
TP
  • Label: TP
  • Definition: Total Phosphorus as P. Digested to Phosphate-P measured with spectrophotometer or Lachat auto-analyzer
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
TN
  • Label: TN
  • Definition: Total Nitrogen as N. Digested to Nitrate + Nitrite and measured with a Lachat auto-analyzer or Shimadzu TN/TOC analyser.
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
NO3
  • Label: NO3
  • Definition: Nitrate + Nitrite-N as measured with a Lachat auto-analyzer
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
TOC
  • Label: TOC
  • Definition: Total organic carbon as C. Total organic carbon measured with Shimadzu TN/TOC analyzer.
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Notes
  • Label: Notes
  • Definition: Comments relevant to quality of the data.
  • Type: Code list
  • Codes:
    • 5 = Samples were run on Shimadzu and were corrected for poor machine performance so these values are as accurate as possible but are not perfect
    • 6 = Samples were run on Shimadzu (see Gaines 2/28/06 processed TN file) and were corrected for poor machine performance so these values are as accurate as possible but are not perfect
    • 7 = Samples were collected but have not been analyzed yet
    • 8 = Samples will be analyzed for TN/TOC
  • Missing values:
    • NA = missing
Data Source Details

Header lines: 

1

Footer lines: 

0

Orientation: 

Column

Field delimiter: 

,

Record delimiter: 

\r\n

Number of records: 

6443