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National Atmospheric Deposition Program

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National Atmospheric Deposition Program

Acronym:  NADP

Description:  In 1977, U.S. State Agricultural Experiment Stations (SAES) organized a project, later titled the National Atmospheric Deposition Program (NADP), to measure atmospheric deposition and study its effects on the environment. Sites in the NADP precipitation chemistry network began operations in 1978 with the goal of providing data on the amounts, trends, and geographic distributions of acids, nutrients, and base cations in precipitation. The network grew rapidly in the early 1980s. Much of this expansion was funded by the National Acid Precipitation Assessment Program (NAPAP), established in 1981 to improve understanding of the causes and effects of acidic precipitation. Reflecting the federal NAPAP role in the NADP, the network name was changed to NADP National Trends Network (NTN). Today, the NADP is SAES National Research Support Project - 3. The NTN network currently has 250 sites.

Web Site:  http://nadp.sws.uiuc.edu/

Duration:  01/01/1978 to present  (as of 08/29/2012)

Contact Name:  David Gay, NADP Program Coordinator

Contact Email:  nadp@isws.illinois.edu

Contact Web Url:  http://nadp.sws.uiuc.edu/NADP/contacts.aspx

Data Access Policy:  Data and information presented on this website (http://nadp.sws.uiuc.edu/) are in the public domain, unless otherwise indicated. Some images and graphics on this website have been created by other organizations and are used by the NADP with permission. Under copyright law, if you want to use images or graphics used by the NADP with permission, you first need to obtain the permission of the copyright holder.

News Web Url:  http://nadp.sws.uiuc.edu/newIssues/

Monitoring Programs:  
Mercury Deposition Network
National Trends Network

Monitoring Stations:  75 stations are registered in the database (search/display)

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