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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.
Tracking Atmospheric Deposition and its Effects
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
UPCOMING EVENTS
2018 NADP Annual Meeting
Nov. 5 - 9, 2018
Albany, NY
RECENT NEWS
The NADP Program Office has moved! Read the latest
transition news.
Issue 10
of our Newsletter is available
Total Deposition Maps
are now available
Litterfall Mercury Monitoring
is NADP's latest initiative.
COMMITTEE LINKS
NOS
EROS
CLAD
TDEP
AMSC