Maps & Data
National Trends Network
The NTN provides a long-term record of the acids, nutrients, and base cations in U.S. precipitation.
Mercury Deposition Network
The MDN provides data on the geographic distributions and trends of mercury in precipitation.
Atmospheric Integrated Research Monitoring Network
The AIRMoN reports daily measurements for studying and modeling atmospheric processes.
Monitoring our changing Chemical Climate.
The NADP has been monitoring precipitation chemistry since 1978.
› Learn more about NADP's history.
Atmospheric Mercury Network
The AMNet reports atmospheric mercury concentrations for determination of mercury dry deposition.
Ammonia Monitoring Network
The AMON measures air concentration of ammonia using passive monitors
Spring 2014 NADP Subcommittee Meeting
April 14-17, 2014
Fort Lauderdale, FL
2014 NADP Annual Meeting
Oct. 21-24, 2014
Acid Rain 2015
Oct. 19-23, 2015
Presentations from the
2013 Annual Meeting & Symposia
are now online
Feature article about NADP
in Earth Magazine
Litterfall Mercury Monitoring
is NADP's latest initiative.
The Total Deposition Science Committee (
) is NADP's newest committee.
© 2012 National Atmospheric Deposition Program |
Data Use Conditions