WAT-YSI-SIGMA-timeseries_csv

Time series of nutrient grab samples from Ipswich River and Parker River watershed catchments with frequency ranging from weekly to monthly between 2001 and 2016.

Download: WAT-YSI-SIGMA-timeseries.csv
Variables
Permanent_ID
  • Label: Permanent_ID
  • Definition: station ID
  • Type: Code list
  • Codes:
    • YSI-CC = Cart Creek (forest)
    • YSI-CS = Cedar Swamp (wetland)
    • YSI-SB = Saw Mill Br (urban)
    • IP24 = Ipswich R. Dam Ipswich
    • 10 = Parker R. Dam Byfield
    • YSI-IR = upper Ipswich R. in N. Reading
    • YSI-FB = Fish Br. In Boxford
  • Missing values:
    • NA = not available
SampleType
  • Label: SampleType
  • Definition: Identifies the type of sample collected
  • Type: Code list
  • Codes:
    • UNH-GRAB = Grab sample collected by UNH prior to 2003
    • Sigma-GRAB = Grab sample collected by either MBL (prior to 2004) or UNH (after 2004)
  • Missing values:
    • NA = not available
Lab_id
  • Label: Lab_id
  • Definition: ID used to track sample through lab
  • Type: Code list
  • Codes:
    • PK* = unique sample identifier for samples analysed in the Loder Lab at UNH
    • McDowellLab_YYYY = analysis at the McDowell Lab in year YYYY
    • NA = sample analysed at MBL prior to 2003
  • Missing values:
    • NA = not available
Date
  • Label: Date
  • Definition: date (YYYY-MM-DD)
  • Type: Date/time
  • Date format: YYYY-MM-DD
  • Missing values:
    • NA = not available
NO3
  • Label: NO3
  • Definition: nitrate + nitrite-N (µM-N)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
NH4
  • Label: NH4
  • Definition: ammonium-N (µM-N)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
PO4
  • Label: PO4
  • Definition: soluble reactive phosphorus (µM-P)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
NO2
  • Label: NO2
  • Definition: nitrite-N (µM-N)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Si
  • Label: Si
  • Definition: dissolved silica (µM-S)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Cl
  • Label: Cl
  • Definition: chloride (µM-Cl)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
SO4
  • Label: SO4
  • Definition: dissolved sulfate (µM-S)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Br
  • Label: Br
  • Definition: bromide (µM-Br)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
TDN
  • Label: TDN
  • Definition: total dissolved nitrogen (µM-N)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
DON
  • Label: DON
  • Definition: dissolved organic nitrogen (µM-N)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
DOC
  • Label: DOC
  • Definition: dissolved organic carbon (µM-C)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
PON
  • Label: PON
  • Definition: particulate organic nitrogen (µM-N)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
POC
  • Label: POC
  • Definition: particulate organic carbon (µM-C)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
TSS
  • Label: TSS
  • Definition: Total Suspended Solids (mg/L)
  • Type: Physical quantity
  • Unit: milligramPerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
TDP
  • Label: TDP
  • Definition: total dissolved phosphorus (µM-P)
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = not available
Data Source Details

Header lines: 

1

Footer lines: 

0

Orientation: 

Column

Field delimiter: 

,

Record delimiter: 

\r\n

Number of records: 

1347