The National Atmospheric Deposition Program
(NADP) provides fundamental measurements that
support informed decisions on environmental issues
related to precipitation and atmospheric deposition
chemistry, as well as atmospheric mercury
and ammonia. NADP data are relevant to scientists,
educators, policymakers, and the public. All data
are available on the NADP website (http://nadp.isws.
illinois.edu). Products available on this site include
seasonal and annual averages, time series trend
plots, and maps of concentration and deposition.
The NADP is composed of five networks, including
the National Trends Network (NTN), the Atmospheric
Integrated Research Monitoring Network (AIRMoN),
the Mercury Deposition Network (MDN), the
Atmospheric Mercury Network (AMNet), and the
Ammonia Monitoring Network (AMoN). The table
below summarizes the number of measurements
from each network in 2015.
Publisher
Illinois State Water Survey, National Atmospheric Deposition Program
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