Concept information
Preferred term
IL/DNR/WS/NADP
Definition
- The National Atmospheric Deposition Program/National Trends Network (NADP/NTN) is a nationwide network of precipitation monitoring sites. The network is a cooperative effort between many different groups, including the State Agricultural Experiment Stations, U.S. Geological Survey, U.S. Department of Agriculture, and numerous other governmental and private entities. The purpose of the network is to collect data on the chemistry of precipitation for monitoring of geographical and temporal long-term trends. The precipitation at each station is collected weekly according to strict clean-handling procedures. It is then sent to the Central Analytical Laboratory where it is analyzed for hydrogen (acidity as pH), sulfate, nitrate, ammonium, chloride, and base cations (such as calcium, magnesium, potassium and sodium). NADP data products, which include: -Weekly and daily precipitation chemistry data -Monthly, seasonal, and annual precipitation-weighted mean concentrations -Annual and seasonal wet deposition totals -Mercury deposition data -Daily precipitation totals -Color isopleth maps of precipitation concentrations and wet deposition -Site photos, maps, and information -Quality Assurance data and information Website: http://nadp.sws.uiuc.edu/ [Summary provided by the Illinois Department of Natural Resources.] (en)
Broader concept
- ILLINOIS (en)
URI
https://gcmd.earthdata.nasa.gov/kms/concept/c40bd85f-8422-49a7-861b-18dd4b61acf3
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