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 samples
Started: 1994-04-06Weekly collection of precipation for chemical analysis is performed at two different sites. Precipitation amount, pH and conductivity analysis is performed at the sites. The sample is shipped to the NADP Central Analytical Lab in Illinois for analysis of pH, conductivity, Ca, Mg, K, Na, NH4, NO3, Cl, SO4.
Meteorological data
Started: 1994-01-01Continuous meteorology averaged hourly includes ambient temperature at 2 and 10 m height, relative humidity, surface wetness, precipitation, wind speed and direction, solar radiation.
Ozone and deposition
Started: 1994-01-01Seasonal continuous ozone (May through September), averaged hourly. Deposition (kg/ha) was calculated for chemicals reporting concentration in mg/l for annual, seasonal and monthly time steps.
Past Methods (No longer in use)
- Sample analysis
Started: 1995-07-04
Ended: 1999-02-02Accumulated weekly samples; analysis includes SO2, HNO3, pH, conductivity, acidity and major ions.
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_num Site Number Number assigned to site by network
Nominal site_id Site Identification Code Unique site identifier
Nominal map_code Map Code Code used on map of sites
Nominal station Station Name Name of the station
Nominal active Site Activity Site active or inactive
Ordinal agency Operating Agency Agency that operates the site
Nominal state State State where site is located
Nominal county County County where site is located
Nominal time_zone Time Zone Time zone site is in
Nominal latitude Latitude Latitude- decimal degrees
Ratio
Unit: degree
Precision: 0.0001longitude Longitude Longitude- decimal degrees
Ratio
Unit: degree
Precision: 0.0001elevation Elevation Elevation in meters
Ratio
Unit: meter
Precision: 1mapid Map I.D. Map identification (nearest town)
Nominal landuse Primary Land Use Primary land use surrounding the site
Nominal terrain Terrain Surrounding Site Discription of terrain site is on
Nominal magnetic_declination Magnetic Declination Magnetic declination of site
Ratio
Unit: degree
Precision: 0.1mlm Multi-layer Model Does site conform to assumptions of multi-layer model?
Ordinal calcode NADP Site Code Site code of co-located NADP site
Nominal nadp_distance NADP Distance Distance to nearest NADP site
Ratio Units: airs_code unknown unknown
Nominal 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
Green Mountain National Forest, Stratton, just south of the Lye Brook Wilderness Area boundary. Summit of hill with southwest airflow.