Atmospheric Integrated Research Monitoring Network
AIRMoN operated from 1992 until 2019.
Samples were collected daily within 24 hours of the start of
precipitation, often providing data for all or part of a single storm. Single-storm
data facilitate studies of atmospheric processes and the development and testing of
computer simulations of these processes. Making data available for these studies is
a principal AIRMoN goal.
The AIRMoN sites were equipped with the same wet-only deposition collector and precipitation
gage used at NADP's National Trends Network (NTN) sites. Each site also had a National Weather Service standard gage for
reporting storm total precipitation. Samples were refrigerated after collection and were sent
in chilled insulated shipping containers to the Central Analytical Laboratory (CAL), where they were kept refrigerated until
analysis. Refrigeration retards chemical changes. Chemical analyses and data screening
procedures for AIRMoN were similar to NTN, although low-volume AIRMoN samples were not diluted
to accommodate a complete analysis, as is standard NTN procedure.