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


  • Started: 1992-12-15

    Year-round daily wet-only precipitation sampling, every sixth day aerosol and vapor phase sampling (24 hour sample). Measurements include: total Hg in precipitation, vapor and particulate phases, 24 other trace elements.

Past Methods (No longer in use)

  • Precipitation samples
    Started: 1992-12-15
    Ended: 2006-07-01

    Precipitation samples collected every morning following precipitation

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
DateDate and Time

Date and time of precipitation measurement

Measurement type: DateTime
Date/Time Format: other
SiteCodeSite Abbreviation

Unique site identifier

Measurement type: Nominal
samplenumberSample Number

Number assigned to sample

Measurement type: Nominal
PrecipSampleVol_mlPrecipitation Sample Volume

Volume of the precipitation sample

Measurement type: Ratio
Unit: unavailable
Precision: 0.1
PrecipSampVol_mLPrecipitation Sample Volume

Volume of precipitation sample in milliliters

Measurement type: Ratio
Unit: unavailable
Precision: 0.1
precipamount_cmPrecipitation Amount

Amount of precipitation measured by rain gauge in centimeters

Measurement type: Ratio
Unit: unavailable
Precision: 0.00001
HgConcentration_ng_LMercury Concentration

Mercury concentration in nanograms/liter

Measurement type: Ratio
Unit: unavailable
Precision: 0.001
Hg_deposition_ug_m2Mercury Deposition

Mercury deposition in micrograms/square meter

Measurement type: Ratio
Unit: unavailable
Precision: 0.0001

Sampling Equipment

Equipment and software used to collect data, including how that equipment was used.

Past Sampling Equipment (No longer in use)

  • Precipitaton Collector
    Started: 1992-12-15
    Ended: 2006-12-31

    MIC-B wet only precipitation collector

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 Mount Mansfield at the Proctor Maple Research Center.