Halocarbons & other Atmospheric Trace Species Group
(HATS)
The general mission of the Halocarbons and other Atmospheric Trace Species group is to quantify the distributions and magnitudes of sources and sinks for atmospheric nitrous oxide (N2O) and halogen containing compounds. HATS utilizes numerous types of platforms, including ground-based stations, towers, ocean vessels, aircraft, and balloons, to accomplish its mission. For a detailed mission statement, consult our FAQ.
You can also read about CFCs and their substitutes in stratospheric ozone depletion.
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Airborne
Projects involve measuring trace gases in the upper troposphere and stratosphere on balloons and aircraft including Unpiloted Airborne Vehicles (UAVs) to help understanding the chemistry and transport of the upper atmosphere.![](hats_insitu.png)
In Situ Program
Hourly in situ observations at NOAA/ESRL baseline observatories, Niwot Ridge, Colorado and Summit, Greenland provide information on transport, emissions, and trends.![](hats_instruments.jpg)