Details and Metadata
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Methods
The methods followed in the creation of the dataset, including description of field, laboratory and processing steps, and quality control procedures
Current Methods
Precipitation sampling
Started: 1993-01-01Year-round daily wet-only precipitation sampling includes: amount, field pH and conductivity, lab pH and conductivity, Ca, K, Mg, Na, NO3, Cl, SO4 and PO4.
Quality Control Measures: Periodic site maintenance and bi-annual calibration, annual site certification, documented QA/QC protocol for field procedures and lab analyses.
Dataset Fields
Detailed documentation of the fields comprising the dataset, including the type of measurement, units where applicable, and any controlled vocabularies or code lists present in the data
| Field Name | Caption | Description | Additional Information |
|---|---|---|---|
| Ca | Ca | Ca Concentration | Measurement type: Ratio Units: |
| Cl | Cl | Cl Concentration | Measurement type: Ratio Units: |
| Date | Date | Date on which sample bucket was installed on the collector | Measurement type: DateTime Date/Time Format: |
| Field_pH | Field_pH | pH of the sample as measured in the field laboratory, reported as the negative log of hydrogen ion c | Measurement type: Ratio Units: |
| K | K | Concentration of potassium | Measurement type: Ratio Units: |
| Lab_pH | Lab_pH | Negative log of the hydrogen ion concentration as measured at the lab, in pH units | Measurement type: Ratio Units: |
| Mg | Mg | Concentration of Magnesium (Mg) | Measurement type: Ratio Units: |
| mmSvol_ml | mmSvol_ml | Volume of sample captured in the sample bucket | Measurement type: Ratio Units: |
| Na | Na | Sodium concentration. The lower limit of detection is 0.003 mg/L | Measurement type: Ratio Units: |
| NH4 | NH4 | Ammonium concentration. The lower limit of detection is 0.03 mg/L | Measurement type: Ratio Units: |
| NO3 | NO3 | Nitrate concentration. The lower limit of detection is 0.03 mg/L | Measurement type: Ratio Units: |
| Site | Site | Alphanumeric site identification code used by National Program; first two characters are state abbre | Measurement type: Nominal |
| SO4 | SO4 | Sulfate concentration. The lower limit of detection is 0.02 mg/L | Measurement type: Ratio Units: |
| SubPpt | SubPpt | Precipitation amount as measured by the NWS rain gage. Trace amounts are indicated by -7.77. | Measurement type: Ratio Units: |
Sampling Equipment
Equipment and software used to collect data, including how that equipment was used.
No sampling equipment recorded for this dataset
Site Characteristics
The spatial extent of the dataset site coverage, and descriptions of the spatial extent and context for the data collection
- Site Description
West slope of Mt. Mansfield, in the field station at the Proctor Maple Research Center, at 400 m (1300 feet).
Minimum Altitude: 0 meters
Maximum Altitude: 400 meters