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Sources & Sinks of Chloroform and its Precursors: Chloroform in Soil Gas

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dataset_eml_metadataproviderheader

  • 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

dataset_eml_abstractheader

    Investigate hypothesis that chloroacetic acids may be involved in forest decline by attempting to replicate findings from Europe of high levels of chloroform enrichment in soil-air from conifer forests.

dataset_eml_peopleheader

  • Michael Aucott: dataset_eml_peopleprincipleinvestigator

dataset_eml_projectkeywordheader

  • pollution, soil, soil chemistry,

dataset_eml_locationheader

  • dataset_eml_locationcords
    • -72.8377, 44.52871667
    • -72.81845, 44.52871667
    • -72.81845, 44.5322
    • -72.8377, 44.5322
    • -72.8377, 44.52871667

dataset_eml_datatableheader

  • dataset_eml_datatabletitle: Chloroform in Soil Gas
  • dataset_eml_datatablestartdate: 1995-06-09
  • dataset_eml_datatableendate: 2005-06-11
  • dataset_eml_datatabledescription: A soil probe was used to measure on-site soil gas which was analyzed later using gas chromatography

  • dataset_eml_datatablepurpose: Investigate hypothesis that chloroacetic acids may be involved in forest decline by attempting to replicate findings from Europe of high levels of trichloroacetic in conifer foliage and chloroform enrichment in soil-air from conifer forests

  • dateset_eml_datatableshortname: Z0018_Soil

  • dataset_eml_datatablephysicalobjectname: VMC.18.220

  • dataset_eml_datatabledatatype: mySQL
  • dataset_eml_datatablecitation: Michael Aucott. 2005. Chloroform in Soil Gas. Rutger's University. FEMC. Can be found at: https://www.uvm.edu/femc/data/archive/project/sources-sinks-chloroform-its-precursors/dataset/chloroform-soil-gas

  • dataset_eml_datatableonlinedistribution: https://www.uvm.edu/femc/CI4/data/archive/project/sources-sinks-chloroform-its-precursors/dataset/chloroform-soil-gas

dataset_eml_attributelistheader

    dataset_eml_attributelistname: elev
    • dataset_eml_attributelistlabel: elevation
    • dataset_eml_attributelistdescription: Elevation (feet)
    • dataset_eml_attributeliststoragetype: int
    • dataset_eml_attributelistmeasurementtype: interval
    • Unit: feet
    dataset_eml_attributelistname: PKID
    • dataset_eml_attributelistlabel: PKID
    • dataset_eml_attributelistdescription: PKID
    • dataset_eml_attributeliststoragetype: int
    • dataset_eml_attributelistmeasurementtype: nominal
    dataset_eml_attributelistname: Tube
    • dataset_eml_attributelistlabel: Tube
    • dataset_eml_attributelistdescription: Tube
    • dataset_eml_attributeliststoragetype: int
    • dataset_eml_attributelistmeasurementtype: nominal
    • dataset_eml_attributelistformatstring: DD/MM/YYYY
    • dataset_eml_attributelistnumbertype: -1
    dataset_eml_attributelistname: Location Type
    • dataset_eml_attributelistlabel: Location Type
    • dataset_eml_attributelistdescription: ''away'' means not directly under overhang of trees, ''under'' means directly under substantial tree canopy, ''ambient'' was air pulled directly from atmosphere at g [sic]
    • dataset_eml_attributeliststoragetype: text
    • dataset_eml_attributelistmeasurementtype: ordinal
    • dataset_eml_attributelistformatstring: DD/MM/YYYY
    • dataset_eml_attributelistnumbertype: -1
    dataset_eml_attributelistname: Lowest Chloroform Co
    • dataset_eml_attributelistlabel: Lowest Chloroform Concentration
    • dataset_eml_attributelistdescription: Lowest Chloroform Concentration
    • dataset_eml_attributeliststoragetype: decimal
    • dataset_eml_attributelistmeasurementtype: ratio
    • dataset_eml_attributelistformatstring: DD/MM/YYYY
    • dataset_eml_attributelistnumbertype: -1
    dataset_eml_attributelistname: Highest Chloroform Co
    • dataset_eml_attributelistlabel: Highest Chloroform Concentration
    • dataset_eml_attributelistdescription: Highest Chloroform Concentration
    • dataset_eml_attributeliststoragetype: decimal
    • dataset_eml_attributelistmeasurementtype: ratio
    • dataset_eml_attributelistformatstring: DD/MM/YYYY
    • dataset_eml_attributelistnumbertype: -1

dataset_eml_methodsheader

  • dataset_eml_methodsPast (dataset_eml_notInUse)
    • Twig and soil gas samples
      • dataset_eml_methodsStartDate: 1995-06-09
        dataset_eml_methodsEndDate: 1995-06-11
      • dataset_eml_methoddescription: Balsam fir twig samples and soil gas samples were collected at 5 different elevations along the Halfway House Trail. Foliage twigs from 20-30 foot height were collected and placed in glass vials. Two samples of ambient air were collected. The soil gas samples were taken using a battery-powered constant-volume type pump attached to a plastic tube and tenax-filled tube type trap with a stainless steel probe with small holes that was poked into soil at about 20 sm depth.

dataset_eml_samplingheader

  • Pole pruners, altimeter, traps, soil probe
    • dataset_eml_methodsStartDate: 1995-06-09
      dataset_eml_methodsEndDate: 1995-06-11
    • dataset_eml_samplingdescription: Pole pruners. Altimeter. Tenax-filled traps attached to constant volume type pump and stainless steel soil probe.

dataset_eml_sitecharacteristicsheader

  • dataset_eml_sitecharacteristicsdescription: West slope of Mt. Mansfield at five elevations: 2050, 2590, 3050, 3620, and 3850.