Forest Ecosystem Monitoring Cooperative

Wet Deposition of Mercury at Proctor Maple Research Center (Mercury Deposition Network-MDN): N-CON Collector Data From Underhill VT

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Metadata Provider

  • Forest Ecosystem Monitoring Cooperative

    • Address:
      705 Spear Street
      South Burlington, Vermont 05403
      United States of America

      Phone: (802) 391-4135
      Email: femc@uvm.edu
      Website: www.uvm.edu/femc

Abstract

    Measure the concentration and deposition of mercury in precipitation as part of the mercury deposition network (MDN).

People

  • Carl Waite: Content Provider

  • Judy Rosovsky: Content Provider

  • Eric Miller: Content Provider

  • Miriam Pendleton: Content Provider

  • James Duncan: Content Provider

Keywords

  • air pollution, air quality, mercury, wet deposition,

Organizations

  • Vermont Monitoring Cooperative : partner
  • University of Vermont Proctor Maple Research Center: partner
  • Ecosystems Research Group, Ltd. : partner
  • National Atmospheric Deposition Program National Trends Network: partner
  • University of Vermont Rubenstein School of Environment and Natural Resources: partner

Geographic Coverage

  • Coordinates

Data Table

  • Title: N-CON Collector Data From Underhill VT
  • Start Date: 2005-08-01
  • End Date: 2015-03-03
  • Description: Event based wet deposition collected by the MDN N-CON collector

  • Purpose: Collect wet deposition samples for analysis of mercury concentration to determine 1) regional and international deposition patterns, 2) rates and variation in rates of deposition, and 3) for modeling and policy needs.

  • Condensed Title: Z0319_YOV46T

  • Object Name: VMC.319.2292

  • Data Type: mySQL
  • Citation: National Atmospheric Deposition Program (NRSP-3). 2017. NADP Program Office, Illinois State Water Survey,University of Illinois, Champaign, IL 61820. We request one copy of any printed publication using NADP data be sent to the NADP Program Office at the address below. For on-line uses, we request that the author notify the Program Office of the URL address of the online publication or website that includes NADP data. We encourage teachers and professors to send the Program Office a brief description of how they have used NADP data in their curriculum. Students who use NADP data to complete academic assignments are not required to seek permission from the Program Office, but must acknowledge the NADP in any publication (e.g., a thesis). National Atmospheric Deposition Program(NRSP-3). 2017. NADP Program Office, Illinois State Water Survey,University of Illinois, Champaign, IL 61820. N-CON Collector Data Underhill VT. VMC. https://vmc.w3.uvm.edu/management/project/wet-deposition-mercury-proctor-maple-research/dataset/n-con-collector-data-underhill-vt

  • Online Distribution: https://vmc.w3.uvm.edu/vmcdevel/data/archive/project/wet-deposition-mercury-proctor-maple-research/dataset/n-con-collector-data-underhill-vt

Attribute List

    Attribute Name: Analysis_Aliquot_Vol
    • Label: Analysis of Aliquot Volume
    • Description: Size of aliquot taken for analysis
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.1
    • Unit: millileters
    • Number Type: whole
    Attribute Name: Bottle
    • Label: Bottle
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.01
    • Unit: inches
    • Number Type: whole
    Attribute Name: Bottle_ID
    • Label: Bottle ID
    • Description: Unique idenifying number for the sample bottle
    • Storage Type: text
    • Measurment Type: nominal
    Attribute Name: Capture
    • Label: Capture
    • Storage Type: text
    Attribute Name: Collection_End_Date
    • Label: Collection End Date
    • Description: Date on which the event or collection period ended
    • Storage Type: date
    • Measurment Type: datetime
    • String Format: M/D/YYYY
    Attribute Name: Gauge
    • Label: Precipitation Gauge
    • Description: Total amount of precipitation collected during sampling period
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.01
    • Unit: inches
    • Number Type: whole
    Attribute Name: Hg_per_Aliquot
    • Label: Hg per Aliquot
    • Description: Mercury
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.001
    • Unit: nanograms
    • Number Type: whole
    Attribute Name: Lab_remarks
    • Label: Lab Remarks
    • Description: Notes from lab and field sample handlers on issues with sample
    • Storage Type: text
    • Measurment Type: nominal
    Attribute Name: Notes
    • Label: Notes
    • Description: Codes for sample collection problems
    • Storage Type: text
    • Measurment Type: nominal
    • Custom List: MDN Sample Problem Codes
      • Code: e
        • Definition: extended sample time (> 8 days)
    Attribute Name: Precip_Hg_Conc
    • Label: Precip Hg Conc
    • Description: Concentration of mercury in precipitation sample
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.01
    • Unit: nanograms per liter
    • Number Type: whole
      • Bounds:
      • Minimum: 0
      • Maximum: 100
    Attribute Name: Precip_Vol
    • Label: Precip Vol
    • Description: Amount of precipitation collected during sampling event
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.1
    • Unit: milliliters
    • Number Type: whole
    Attribute Name: QR
    • Label: Quality Rating
    • Description: Code for quality of sample A=fully qualified with no problems; B=valid data with minor problems, used for summary statistics; C=invalid data, not used for summary statistics; - =no data submitted for this time period.
    • Storage Type: text
    • Measurment Type: nominal
    Attribute Name: Sample_Type
    • Label: Sample Type
    • Description: Type of sample, see code list
    • Storage Type: text
    • Measurment Type: nominal
    • Custom List: Codes for Sample Types
    Attribute Name: Site_ID
    • Label: Site ID
    • Description: Site ID; VT98 is the site code for N-CON in Underhill VT
    • Storage Type: text
    • Measurment Type: nominal
    Attribute Name: Weekly_Hg_Deposition
    • Label: Weekly Hg Deposition
    • Description: Weekly Mercury Deposition
    • Storage Type: text
    • Measurment Type: ratio
    • Precision: 0.1
    • Unit: nanograms per liter
    • Number Type: whole

Methods

  • Past Methods (no longer in use)
    • Field collection
      • Started: 2005-08-01
        Ended: 2015-03-03
      • Method Description: Samples are collected from a heated chamber by field operators using clean techniques.For detailed information go to: Full documentation
      • Instrumentation: N-CON collector

    • Rain gage data
      • Started: 2005-08-01
        Ended: 2015-03-03
      • Method Description: Rainfall is recorded to the nearest 0.01 inch and sampler opening and closing functions are checked. For details go to Full documentation
      • Instrumentation: N-CON collector

    • Lab analysis
      • Started: 2005-08-01
        Ended: 2015-03-03
      • Method Description: Samples are packed in protective coolers and sent to the MDN laboratory, Eurofins Frontier Global Sciences, Inc. in Seattle Washington, aka HAL (Hg Analystical Laboratory). For more details see Full documentation

Sampling Equipment

  • Current Equipment
    • Weekly sampling
      • Started: 2012-10-29
      • Sampling Description: Samples were collected and shipped on a weekly basis.
      • Frequency: Weekly

  • Event based sampling
    • Started: 2005-08-01
      Ended: 2012-10-29
    • Sampling Description: Samples were collected after each precipitation event

Site Characteristics

  • Site Description: West slope of Mount Mansfield in an open field at the Proctor Maple Research Center. Site has a west aspect and an 8% slope. Elevation approximately 1300 feet.

  • Minimum Altitude: 390 meters

  • Maximum Altitude: 400 meters