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Blue Grass Trail (VPI120)

Site Photos
Site Information
Site ID VPI120
Site name Blue Grass Trail
County Giles
State abbreviation VA
Latitude; decimal degrees 37.3232
Longitude; decimal degrees -80.4572
Elevation; m 652
Operating agency EPA
Start date 05/01/1987
Primary Land Use Agric
Terrain surrounding site Mountaintop
NADP site code VA13
Distance to nearest NADP site; km .1924
AMoN Site ID VA13
View Map View Map
Graphical Results
Composition of total nitrogen deposition by species
Trends in total nitrogen deposition
Trends in wet and dry nitrogen deposition
Composition of total sulfur deposition by species
Trends in total sulfur deposition
Trends in wet and dry sulfur deposition
Trend in ozone 8-hour average concentrations
Site History
ELEVATION : Elevation changed from 920 meters to 652 meters. 06-AUG-20
LONGITUDE : Longitude changed from -80.5575 to -80.4572. 06-AUG-20
LATITUDE : Latitude changed from 37.3298 to 37.3232. 06-AUG-20
SITE_NAME : Site name changed from Horton Station to Blue Grass Trail. 06-AUG-20
WINDSPEED_SCALAR : Sensor unwired. 07-FEB-16
SHELTER_TEMPERATURE : A/C and Heat logger control installed. 07-FEB-16
SIGMA_THETA : Sensor unwired. 07-FEB-16
WIND_DIRECTION : Sensor unwired. 07-FEB-16
WINDSPEED : Sensor unwired. 07-FEB-16
TEMP2 : Sensor unwired. 07-FEB-16
RELATIVE_HUMIDITY : Sensor unwired. 07-FEB-16
TEMPERATURE : 9m temperature measurement with passive aspiration installed. 07-FEB-16
OZONE : New certification range for site transfer standard 10-AUG-14
SOLAR_RADIATION : Sensor unwired. 29-APR-14
RELATIVE_HUMIDITY : Sensor unwired. 29-APR-14
WIND_DIRECTION : Sensor unwired. 29-APR-14
WETNESS : Sensor unwired. 29-APR-14
TEMP2 : Sensor unwired. 29-APR-14
OZONE : ZSP order changed to SPZ. 27-FEB-14
OZONE : Foam insulation added to sample line. 27-FEB-14
OZONE : Knock-out bottle removed. 27-FEB-14
OZONE : Replacement pressure transducer installed in site analyzer. 27-FEB-12
OZONE : 10 ft. exhaust tubing added to both analyzers. 27-FEB-12
OZONE : Ozone sample line filter removed from inside the shelter. 04-AUG-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. 20-FEB-11
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. 20-FEB-11
DATALOGGER : CR3000 datalogger installed. Wiring standardized. 19-FEB-09

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