Ozone-Depleting Substances (ODSs) and other gases of interest to the Montreal Protocol - Archive ouverte HAL Access content directly
Book Sections Year : 2014

Ozone-Depleting Substances (ODSs) and other gases of interest to the Montreal Protocol

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Abstract

Changes in the global atmospheric abundance of a substance are determined by the balance between its emissionand removal. Declines observed for ozone-depleting substances (ODSs) controlled under the Montreal Protocol are due to global emission reductions that have made emissions smaller than removals. Mot ODSs are potent greenhouse gases. As the majority of ODSs have been phased out, demand for hydrochlorofluorocarbon (HCFC) and hydrofluorocarbon (HFC) substitutes for the substances controlled under the Montreal Protocol have increased; these are also greenhouse gases. HCFCs deplete much less ozone per kilogram emitted than chlorofluorocarbons (CFCs), while HFCs essentially deplete no ozone.
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Dates and versions

hal-01130807 , version 1 (12-03-2015)

Identifiers

  • HAL Id : hal-01130807 , version 1

Cite

Lucy J. Carpenter, Stefan Reismann, James B. Burkholder, Cathy Clerbaux, Bradley D. Hall, et al.. Ozone-Depleting Substances (ODSs) and other gases of interest to the Montreal Protocol. Scientific Assessment Ozone Depletion : 2014. Global Ozone Research and monitoring Project - Report N° 55, World Meteorological Organization (WMO), Chapitre 1 : (105 p.), 2014. ⟨hal-01130807⟩
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