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: 1992-12-15Year-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: 2006-07-01Precipitation 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 Date Date Collection date
Measurement type: DateTime
Date/Time Format: YYYY-MM-DDPKID Primary Key Primary key
Measurement type: Nominal SampleID Sample ID Sample ID
Measurement type: Nominal PrecipDate Date of precipitation Date of precipitation sample
Measurement type: DateTime
Date/Time Format: YYYY-MM-DDSite Site Site
Measurement type: Nominal SiteCode Site Abbreviation Unique site identifier
Measurement type: Nominal PrecipType Precipitation Type Type of precipitation
Measurement type: Nominal SampleNum Sample Number Sample number
Measurement type: Nominal samplenumber Sample Number Number assigned to sample
Measurement type: Nominal HgPrecipVol Precipitation sample volume Volume of the precipitation sample
Measurement type: Ratio
Units:PrecipSampVol_mL Precipitation Sample Volume Volume of precipitation sample in milliliters
Measurement type: Ratio
Unit: milliliter
Precision: 0.1Tag1 Tag 1 Sample information 1
Measurement type: Nominal precipamount_cm Precipitation Amount Amount of precipitation measured by rain gauge in centimeters
Measurement type: Ratio
Unit: centimeter
Precision: 0.00001Tag2 Tag 2 Sample information 2
Measurement type: Nominal HgConcentration_ng_L Mercury Concentration Mercury concentration in nanograms/liter
Measurement type: Ratio
Unit: number
Precision: 0.001Hg_deposition_ug_m2 Mercury Deposition Mercury deposition in micrograms/square meter
Measurement type: Ratio
Unit: micrograms per square meter
Precision: 0.0001Hg_funID Sampler Funnel ID ID of the funnel used in collecting the sample
Measurement type: Nominal Hg_FunArea Sampler Funnel Area Area of the sampler funnel used
Measurement type: Ratio
Units:Time Time Time
Measurement type: DateTime
Date/Time Format: hh:mm:ssHg_Concentration Mercury Concentration Mercury concentration in sample
Measurement type: Ratio
Units:Volume Volume Volume of sample
Measurement type: Ratio
Units: liter
Precision: 5Antecedent Antecent Dry Period Antecedent dry period
Measurement type: Ratio
Unit: number
Precision: 0.1Throughfall Throughfall Throughfall
Measurement type: Ratio
Unit: millimeter
Precision: 0.1UsingActPrecipAmnt Final Precipitation Amount from Funnel Area The amount of precipitation collected in sample calcualted from the actual funnel area
Measurement type: Ratio
Units:pH pH pH
Measurement type: Interval
Unit: number
Precision: 0.01UsingFunnelArea191PrecipAmnt Alternative Precipitation Amount from Average Funn The amount of precipitation in the sample calculated using system-wide average of 191 cm2
Measurement type: Ratio
Units:Conductivity Conductivity Conductivity
Measurement type: Ratio
Units: micromho
Precision: 0.1UsingActHgDeposition Final Mercury Deposition Mercury deposition calculated using actual funnel area
Measurement type: Nominal Area191HgDeposition Alternative Mercury Deposition Mercury deposition calculated using the system-wide funnel area of 191 cm2
Measurement type: Ratio
Units:DOC Dissolved Organic Carbon Dissolved organic carbon determined by ultraviolet persulfate oxidation with infrared detection
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01Color Color Color
Measurement type: Ordinal MultipleEvents Multiple Events Indicates whether multiple events present over sample period
Measurement type: Nominal PrtofPrevEvent Unknown Unknown
Measurement type: Nominal Wvelength Peak Wavelength Peak wavelength
Measurement type: Ratio
Unit: nanometer
Precision: 0.1Absrbnc Peak Absorbance Peak absorbance
Measurement type: Ratio
Unit: number
Precision: 0.001BottleOverflow Botte Overflow Indicates if the bottle overflowed
Measurement type: Nominal Hg Mercury Concentration Mercury concentration
Measurement type: Ratio
Unit: number
Precision: 0.1PourOff Pour Off Indicates if part of sample had to be poured off
Measurement type: Nominal Be9 Beryllium Concentration Beryllium concentration
Measurement type: Ratio
Unit: number
Precision: 0.0001Belfort_inches Precipitation Measured by Belfort Precipitation volume as measured by Belfort gauge
Measurement type: Ratio
Unit: inch
Precision: 0.01Mg26 Magnesium Concentration Magnesium concentration
Measurement type: Ratio
Unit: number
Precision: 0.0001NWS_inches Precipitation Measured By NWS Gauge Precipitation as measured by National Weather Service rain gauge
Measurement type: Ratio
Unit: inch
Precision: 0.01Al27 Aluminum Cncentration Aluminum concetration
Measurement type: Ratio
Unit: number
Precision: 0.001Ti47 Titanium Concentration Titanium concentration
Measurement type: Ratio
Unit: number
Precision: 0.0001V51 Vanadium Concentration Vadaium concentration
Measurement type: Ratio
Unit: number
Precision: 0.0001Cr53 Chromium Concentration Chromium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Mn55 Manganese Concentration Manganese concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Co59 Cobalt Concentration Cobalt concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Ni60 Nickel Concentration Nickel concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Cu65 Copper Concentration Copper concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Zn66 Zinc Concentration Zinc concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001As75 Arsenic Concentration Arsenic concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Rb85 Rubidium Concentration Rubidium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Sr88 Strontium Concentration Strontium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Mo95 Molybdenum Concentration Molybdenum concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Ag107 Silver Concentration Silver concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Cd111 Cadmium Concentration Cadmium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001In115 Indium Concentration Indium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Sb121 Antimony Concentration Antimony concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001La139 Lanthanum Concentration Lanthanum concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Ce140 Cerium Concentration Cerium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Nd146 Neodymium Concentration Neodymium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Sm147 Samarium Concentration Samarium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001W182 Tungsten Concentration Tungsten concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Tl205 Thallium Concentration Thallium concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Pb208 Lead Concentration Lead concentration
Measurement type: Ratio
Units: micrograms liter
Precision: 0.0001Cl Chloride Concentration Chloride concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01NO3-N Nitrogen in Nitrate Nitrogen in nitrate concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.001NH4-N Nitrogen in Ammonium Nitrogen in ammonium concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01Ca Calcium Concentration Calcium concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01K Potassium Concentration Potassium concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01Na Sodium Concentration Sodium concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01SO4-S Sulfur in Sulfate Sulfur in sulfate concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01Si Silicon Concentration Silicon concentration
Measurement type: Ratio
Units: milligrams per liter
Precision: 0.01Stream Stream Stream
Measurement type: Nominal Section Stream Section Section of stream
Measurement type: Nominal
Stream Section Code
+ showAppears in data as Meaning of code M Mid Nettle U Upper Nettle 1 Stream 10 Filter Filter State Is there a filter; yes/no
Measurement type: Nominal 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: 2006-12-31MIC-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.