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
SampleIDSample ID

Sample ID

Measurement type: Nominal
Precip_DatePrecipitation Date

Date of precipitation sample

Measurement type: DateTime
Date/Time Format:
SampleVol_mlSample Volume

Volume of precipitation sample

Measurement type: Ratio
Unit: unavailable
Precision: 1
Precip_amnt_cm_191FAPrecipitation Amount (Funnel Area=191)

Precipitation amount assuming funnel area is 191

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
Precip_amnt_cm_MFAPrecipitation Amount (Funnel = MFA)

Unknown

Measurement type: Ratio
Unit: unavailable
Precision: 0.01
PrecipTypeType of Precipitation

Type or Precipitation

Measurement type: Nominal
Replicate1_ng_Hg_LReplicate 1 Concentration

Concentration of mercury in replicate 1

Measurement type: Ratio
Unit: unavailable
Precision: 0.1
Replicate2_ng_Hg_LReplicate 1 Concentration

Concentration of mercury in replicate 2

Measurement type: Ratio
Unit: unavailable
Precision: 0.1
Mean_ng_Hg_LMean Concentration

Concentration of mercury, as the mean between the two replicates

Measurement type: Ratio
Unit: unavailable
Precision: 0.1
HCl_Vol_Corr_Ng_Hg_LUnknown

Unknown

Measurement type: Ratio
Unit: unavailable
Precision: 0.1

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.