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Chlorofluorocarbons

Other Names

CFC, Dichlorofluromethane, CF2Cl2 ( CFC-12 ), Trichlorofluromethane, CFCl 3 ( CFC-11)

Definition

Chlorofluorocarbons (CFCs), the hydrocarbons containing both chlorine and fluorine (CFCs), are used as refrigerants, blowing agents, cleaning fluids, solvents, and as fire extinguishing agents. They have been shown to cause stratospheric ozone depletion and have been banned for many uses.
CFCs are very stable chemical compounds. In the stratosphere, CFCs are photolyzed (by incoming solar UV) to form carbon dioxide, CO2, hydrogen fluoride, HF, and ultimately chlorine radicals. These chlorine species are crucial in the destruction of the ozone layer over Antarctica and elsewhere.

Applications

(1) Atmospheric Chemistry Models (5) Tracer of Air Motions
(2) Air Quality (6) stratosphere-troposphere exchange
(3) Monitoring of Biomass Burning (7) Climate Change
(4) Health and Environment  

GES DISC Datasets

Quick Search for 'Chlorofluorocarbons' with Mirador
Click on the corresponding 'Data access' links in the table below to access products containing specific parameter.

Parameter Units Platform /Instrument Data Products
Begin Date End Date Data Access Doc
Profiles of CF2Cl2 and CFCl 3 (mixing ratios at different pressure levels)
, pixel resolution
vmr Aura/HIRDLS 2004-07-15 Current HIRDLS2 Y
Profiles of CF2Cl2 and CFCl 3 (mixing ratios at different pressure levels)
, global gridded
vmr Aura/HIRDLS 2004-07-15 Current   Y
UARS/CLAES 1991-10-25 1993-05-05 UARCL3AT Y
UARCL3AL Y
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Last updated: Dec 02, 2011 02:21 PM ET