Published on McMurdo Dry Valleys LTER (https://mcm.lternet.edu)

VGPW_NITRIFICATION

Description: 

Laboratory nitrification potential assay data for sediments collected from Von Guerard Stream. 

File: 

File mcmlter-strm-singley-vgpw-nitrification-20200820.csv

Variables (click to expand): 

DATASET_CODE
  • Label: Dataset code
  • Definition: Internal dataset code.
  • Type: Nominal
  • Missing values: None specified
STRMGAGEID
  • Label: Stream Gage ID
  • Definition: Stream Gage ID.
  • Type: Nominal
  • Missing values: None specified
STREAM_NAME
  • Label: Stream Name
  • Definition: Name of the stream.
  • Type: Nominal
  • Missing values: None specified
SAMPLE_ID
  • Label: Sample ID
  • Definition: Code indicating sediment sample location, prior to replication.
  • Type: Nominal
  • Missing values: None specified
SAMPLE_YEAR
  • Label: Sample Year
  • Definition: Year sample was collected.
  • Type: Date/time
  • Date format: YYYY
  • Missing values: None specified
TRANSECT
  • Label: Transect.
  • Definition: Alphanumeric transect identifier, number increases from upstream to downstream.
  • Type: Nominal
  • Missing values: None specified
SITE
  • Label: Site
  • Definition: Lateral site on the transect.
  • Type: Code list
  • Codes:
    • A = Center of channel
    • C = Wetted margin
  • Missing values: None specified
REPLICATE
  • Label: Replicate
  • Definition: Replicate identifier within the same sampling site.
  • Type: Nominal
  • Missing values: None specified
ELAPSED_TIME_DAY
  • Label: Elapsed Time
  • Definition: Time (in days) since the beginning of the nitrification potential assay.
  • Type: Physical quantity
  • Unit: day
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
N_NO2_UGL
  • Label: Nitrite concentration
  • Definition: Concentration of nitrogen as nitrite in aliquot, reported in micrograms of nitrogen per liter.
  • Type: Physical quantity
  • Unit: microgramsPerLiter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
N_NO2_COMMENTS
  • Label: Comments regarding nitrate concentration
  • Definition: Comments regarding nitrate concentration, where NM = not measured.
  • Type: Nominal
  • Missing values: None specified
DRY_SED_G
  • Label: Dry mass of sediment
  • Definition: Dry mass of sediment in flask, reported as grams of sediment.
  • Type: Physical quantity
  • Unit: grams
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
VOLUME_L
  • Label: Volume
  • Definition: Volume of incubation solution in liters.
  • Type: Physical quantity
  • Unit: liter
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
N_NO2_UGKG
  • Label: Nitrate concentration normalized to dry mass sediment
  • Definition: Nitrogen as nitrate concentration normalized to dry mass sediment, reported as micrograms of nitrogen per kilogram of sediment.
  • Type: Physical quantity
  • Unit: microgramsPerKilogram
  • Maximum: Not specified
  • Minimum: Not specified
  • Precision: Not specified
  • Missing values: None specified
Source URL: https://mcm.lternet.edu/content/vgpwnitrification