Jump to main content or area navigation.

Contact Us

Caddo Valley (CAD150)

Site Photos

Site Information

Site ID CAD150
Site name Caddo Valley
County Clark
State abbreviation AR
Latitude; decimal degrees 34.179278
Longitude; decimal degrees -93.098755
Elevation; m 78
Operating agency EPA
Start date 09/28/1988
Primary Land Use Forest
Terrain surrounding site Complex
NADP site code AR03
Distance to nearest NADP site; km .037
AMoN Site ID AR03
Does site conform to assumptions of MLM? No

Site History

OZONE : Site analyzer with replacement pressure transducer installed. 02-FEB-12
OZONE : 10 ft. exhaust tubing added to both analyzers. 02-FEB-12
OZONE : Ozone sample line filter removed from inside the shelter. 15-MAY-11
OZONE : Ozone tubing changed from 3/8 inch to 1/4 inch. 21-FEB-11
OZONE : 40CFR Part 58 ozone site upgrade completed using Level 2 site transfer standard. 21-FEB-11
OZONE : 40CFR Part 58 ozone site installed using independent site transfer standard. 07-AUG-10
DATALOGGER : CR3000 datalogger installed. Wiring standardized. 20-FEB-09

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


View Larger Map

 

Jump to main content.