MAR-VA-Porewater_csv

Porewater nutrient concentration data [SRP, NH4+, S-2, Cl-] from several sites along the Rowley and Parker Rivers, MA and Wells NEER, ME.

Variables
YR
  • Label: Year
  • Definition: Year of sample collection
  • Type: Date/time
  • Date format: YYYY
  • Missing values: None specified
MTH
  • Label: Month
  • Definition: Month of sample collection
  • Type: Date/time
  • Date format: MM
  • Missing values: None specified
DAY
  • Label: Day
  • Definition: Day of sample collection
  • Type: Date/time
  • Date format: DD
  • Missing values: None specified
SIT
  • Label: Site
  • Definition: Site of sample collection
  • Type: Nominal
  • Missing values: None specified
LOC
  • Label: Location
  • Definition: Location of sample collection
  • Type: Code list
  • Codes:
    • CK = creek surface water sample
    • RT = water collected while draining from creekbank
    • PD = pond surface water sample
    • T = measured transect
    • 1 = a position along an unsurveyed transect
    • 2 = a position along an unsurveyed transect
    • 3 = a position along an unsurveyed transect
    • C = samples collected at experimental sites from control unfertilized plots
    • F = samples collected at experimental sites from N+P fertilized plots
  • Missing values: None specified
DIST
  • Label: Distance
  • Definition: Distance in meters along a transect with 0 m located at the creekbank
  • Type: Physical quantity
  • Unit: meter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
REP
  • Label: Replicate
  • Definition: Replicate number, in some case diffusion sampler are set alone (1 rep), in pairs (2 reps), or in triplicates (3 reps)
  • Type: Nominal
  • Missing values: None specified
DPT
  • Label: Sample depth
  • Definition: Sample depth (10, 25, 50, 75, 100) 0 = surface water sample
  • Type: Physical quantity
  • Unit: centimeter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
SRP
  • Label: Soluble reactive phosphorus
  • Definition: soluble reactive phosphorus concentration, uM-P
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
NH4
  • Label: NH4
  • Definition: ammonium concentration, uM-N
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
S2
  • Label: Sulfide
  • Definition: sulfide concentration, uM-S
  • Type: Physical quantity
  • Unit: micromolePerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Cl
  • Label: Chloride
  • Definition: Chloride concentration
  • Type: Physical quantity
  • Unit: gramsPerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
SAL
  • Label: Salinity
  • Definition: Salinity of sample
  • Type: Physical quantity
  • Unit: partPerThousand
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values:
    • NA = missing
Data Source Details

Header lines: 

1

Orientation: 

Column

Field delimiter: 

,