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
Precipitation sampling
Started: 1993-01-01Year-round daily wet-only precipitation sampling includes: amount, field pH and conductivity, lab pH and conductivity, Ca, K, Mg, Na, NO3, Cl, SO4 and PO4.
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 Site Site Site
Measurement type: Nominal DateTimeOn Date Time On Date and time on which sample bucket was installed on the collector
Measurement type: DateTime
Date/Time Format: MM/DD/YYYYDateTimeOff Date Time Off Date and time at which sample bucket was removed from the collector
Measurement type: DateTime
Date/Time Format: MM/DD/YYYYSubPpt Sub Precipitation Precipitation amount used by NADP in calculating weighted-mean concentrations, depositions and precipitation totals, in mm. In most cases sub_ppt equals the NWS stick raingage reading. Where the raingage reading is a trace amount, a value of 0.127mm is assigned- in cases where the NWS stick raingag
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001PptNws Precipitation News Precipitation amount as measured by the NWS rain gage. Trace amounts are indicated by -7.77.
Measurement type: Ratio
Unit: unavailable
Precision: 0.001PptRec Precipitation Recording Precipitation amount as measured by the recording rain gage. Trace amounts are idnicated as -7.77.
Measurement type: Ratio
Unit: unavailable
Precision: 0.001Sval Sample Volume Volume of sample captured in the sample bucket
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001Ca Calcium Concentration Calcium concentration. The lower limit of detection is 0.009 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001Mg Magnesium Concentration Magnesium concentraton. The lower limit of detection is 0.003 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001H Hydrogen Concentration Hydrogen concentration
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001Na Sodium Concentration Sodium concentration. The lower limit of detection is 0.003 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001NH4 Ammonium Concentration Ammonium concentration. The lower limit of detection is 0.03 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001NO3 Nitrate Concentration Nitrate concentration. The lower limit of detection is 0.03 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001CL Chlorine Concentration Chloride concentration. The lower limit of detection is 0.03 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001SO4 Sulfate Concentration Sulfate concentration. The lower limit of detection is 0.02 mg/L
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001PO4 Phosphate Concentration Phosphate concentration
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001pHLab pH in Lab Negative log of the hydrogen ion concentration as measured at the lab, in pH units
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001pHField pH in Field pH of the sample as measured in the field laboratory
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001LabCond Conductivity Lab Conductance of the precipitation sample as measured in the field lab.
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001FieldCond Conductivity Field Conductance of the precipitation sample as measured at the lab.
Measurement type: Ratio
Unit: unavailable
Precision: 0.0000000001LabType Lab Type Code indicating sample condition at lab.
Measurement type: Nominal
Lab Type Code
+ showAppears in data as Meaning of code W sample volume=35 ml or more WI Sample volume of 10 - 35 mL; chemical measurements are made as volume permits in the following order: pH, Conductance, {NH4, PO4}, {Cl, NO3, SO4}, and {Ca, Mg, Na, K}. D sample volume =0-10 ml, sample not shipped. DF field blank, data not reported QRCode Quality Rating Code Machine-readable code to store data
Measurement type: Nominal
QRCode
+ showAppears in data as Meaning of code A Samples of the highest quality did not contain anything but water, all protocols were followed, and there is no indication of compromised integrity of the sample. B unknown quality (potentially contaminated C Samples of the lowest quality are either of undefined duration, contain bird droppings, or have some other indication of compromised quality. SP Sample Protocol Quality of sample
Measurement type: Nominal
Sample Protocal Code
+ showAppears in data as Meaning of code Null no identifiable departures from SOP sample collection U undefined sample type Q Quality assurance sample SL Sample Level Code Sample level code. A code indicating departures from field or laboratory standard operating procedures.
Measurement type: Nominal
Sample Level Code
+ showAppears in data as Meaning of code C Contaminated sample E long-duration sample F field error M Missing sampling information Sampling Equipment
Equipment and software used to collect data, including how that equipment was used.
No sampling equipment recorded for this dataset
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 Mt. Mansfield, in the field station at the Proctor Maple Research Center, at 400 m (1300 feet).