GLACIER_SUPRA_MESOCOSM
Description:
Nutrient Addition in Supraglacial Sediments
File:
Variables (click to expand):
DATASET_CODE
- Label: Dataset code
- Definition: Internal dataset code.
- Type: Nominal
- Missing values: None specified
SAMPLE_ID
- Label: Sample ID
- Definition: Sample unique identifier.
- Type: Nominal
- Missing values: None specified
DATE_TIME
- Label: Date
- Definition: Date on which incubation was conducted.
- Type: Date/time
- Date format: MM/DD/YYYY
- Missing values:
- BLANK = missing
DURATION
- Label: Duration
- Definition: Duration of the incubation in decimal hours, from the time nutrient solution was added to the time of filtering.
- Type: Physical quantity
- Unit: decimalTime
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
GLACIER
- Label: Glacier
- Definition: Name of the glacier (i.e., Canada, Commonwealth, or Hughes) from which the sample was collected.
- Type: Nominal
- Missing values: None specified
AUTOCLAVED
- Label: Autoclaved
- Definition: Whether or not the sample was autoclaved.
- Type: Code list
- Codes:
- Yes = Sample was autoclaved.
- No = Sample was not autoclaved (i.e., live).
- Missing values: None specified
TREATMENT
- Label: Treatment
- Definition: Nutrient solution or deionized water (DIW) added to sample. Options include NO3, NH4, PO4, NO3+PO4, DIW control, or KCl.
- Type: Nominal
- Missing values: None specified
PO4_MG_L
- Label: Phosphorous concentration
- Definition: Phosphorus concentration of solution after incubation.
- Type: Physical quantity
- Unit: milligramsPerLiter
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
NO3_MG_L
- Label: Nitrate concentration
- Definition: Nitrate concentration of the solution after incubation. Any value of 0 is below the detection limit of the instrument.
- Type: Physical quantity
- Unit: milligramsPerLiter
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
NH4_MG_L
- Label: Ammonium concentration
- Definition: Ammonium concentration of the solution after incubation. Any value of 0 is below the detection limit of the instrument.
- Type: Physical quantity
- Unit: milligramsPerLiter
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
SED_DRY_MASS_G
- Label: Sediment dry mass
- Definition: Dry mass of sediment from incubation used for loss on ignition (LOI) analysis.
- Type: Physical quantity
- Unit: gram
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
SED_DRY_MASS_LOI_G
- Label: Sediment dry mass after ignition
- Definition: Mass loss of sediment after burning in a muffle furnace (i.e., mass loss on ignition (LOI) ).
- Type: Physical quantity
- Unit: gram
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
VOL_FILTERED_ML
- Label: Volume of solution filtered
- Definition: Volume of solution filtered from incubation flask.
- Type: Physical quantity
- Unit: milliliter
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing
FILTER_MASS_LOI_G
- Label: Filter mass after ignition
- Definition: Mass lost from filter after burning in a muffle furnace (i.e., mass loss on ignition (LOI) ).
- Type: Physical quantity
- Unit: gram
- Maximum: Not specified
- Minimum: Not specified
- Precision: Not specified
- Missing values:
- BLANK = missing