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  • *Convection  (1)
  • Chemistry and Materials (General)  (1)
  • Environment Pollution  (1)
  • 1
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    American Association for the Advancement of Science (AAAS)
    Publikationsdatum: 2012-08-21
    Beschreibung: 〈br /〉〈span class="detail_caption"〉Notes: 〈/span〉Ravishankara, A R -- New York, N.Y. -- Science. 2012 Aug 17;337(6096):809-10. doi: 10.1126/science.1227004.〈br /〉〈span class="detail_caption"〉Author address: 〈/span〉Chemical Sciences Division, Earth System Research Laboratory, National Oceanic and Atmospheric Administration, Boulder, CO 80305, USA. a.r.ravishankara@noaa.gov〈br /〉〈span class="detail_caption"〉Record origin:〈/span〉 〈a href="http://www.ncbi.nlm.nih.gov/pubmed/22904003" target="_blank"〉PubMed〈/a〉
    Schlagwort(e): Atmosphere/*chemistry ; *Convection ; Ozone/*chemistry ; *Seasons ; *Steam ; *Ultraviolet Rays
    Print ISSN: 0036-8075
    Digitale ISSN: 1095-9203
    Thema: Biologie , Chemie und Pharmazie , Informatik , Medizin , Allgemeine Naturwissenschaft , Physik
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Publikationsdatum: 2018-06-06
    Beschreibung: The humankind or anthropogenic influence on ozone primarily originated from the chlorofluorocarbons and halons (chlorine and bromine). Representatives from governments have met periodically over the years to establish international regulations starting with the Montreal Protocol in 1987, which greatly limited the release of these ozone-depleting substances (DDSs). Two global models have been used to investigate the impact of hypothetical reductions in future emissions of ODSs on total column ozone. The investigations primarily focused on chlorine- and bromine-containing gases, but some computations also included nitrous oxide (N2O). The Montreal Protocol with ODS controls have been so successful that further regulations of chlorine- and bromine-containing gases could have only a fraction of the impact that regulations already in force have had. if all anthropogenic ODS emissions were halted beginning in 2011, ozone is calculated to be higher by about 1-2% during the period 2030-2100 compared to a case of no additional ODS restrictions. Chlorine- and bromine-containing gases and nitrous oxide are also greenhouse gases and lead to warming of the troposphere. Elimination of N 20 emissions would result in a reduction of radiative forcing of 0.23 W/sq m in 2100 than presently computed and destruction of the CFC bank would produce a reduction in radiative forcing of 0.005 W/sq m in 2100. This paper provides a quantitative way to consider future regulations of the CFC bank and N 20 emissions
    Schlagwort(e): Environment Pollution
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Publikationsdatum: 2019-08-14
    Beschreibung: This is the fifteenth in a series of evaluated sets of rate constants and photochemical cross sections compiled by the NASA Panel for Data Evaluation. The data are used primarily to model stratospheric and upper tropospheric processes, with particular emphasis on the ozone layer and its possible perturbation by anthropogenic and natural phenomena. Copies of this evaluation are available in electronic form and may be printed from the following Internet URL: http://jpldataeval.jpl.nasa.gov/.
    Schlagwort(e): Chemistry and Materials (General)
    Materialart: JPL-Publ-06-2
    Format: application/pdf
    Standort Signatur Erwartet Verfügbarkeit
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