II. Ozone Depletion. Thaum chlorine thiab bromine atoms tuaj rau hauv kev sib cuag nrog ozone hauv stratosphere, lawv rhuav tshem ozone molecules. Ib lub chlorine atom tuaj yeem rhuav tshem ntau dua 100,000 ozone molecules ua ntej nws raug tshem tawm ntawm lub stratosphere.
Koj txhais li cas los ntawm ozone depletion?
Ozone txheej depletion txhais tau tias qhov thinning ntawm ozone txheej tam sim no nyob rau hauv cov huab cua sab saudQhov ntawd ua rau muaj kev phom sij rau ntuj thiab huab cua. Ozone txheej depletion yog ib qho teeb meem loj rau huab cua thiab rau tag nrho cov tsiaj nyob nrog rau cov tsiaj thiab tsiaj hauv ntiaj teb no.
Ozone txheej tau depleted li cas?
Chlorofluorocarbons lossis CFCs yog lub ntsiab ua rau ozone txheej depletion. Cov no raug tso tawm los ntawm cov kuab tshuaj, tshuaj tsuag aerosols, tub yees, cua txias, thiab lwm yam. Cov molecules ntawm chlorofluorocarbons nyob rau hauv lub stratosphere yog tawg los ntawm ultraviolet hluav taws xob thiab tso tawm chlorine atoms.
Dab tsi yog vim li cas ntawm ozone depletion?
Qhov laj thawj tseem ceeb ntawm ozone depletion thiab lub qhov ozone yog cov tshuaj tsim khoom, tshwj xeeb tshaj yog tsim cov tub yees halocarbon, cov kuab tshuaj, cov tshuaj tiv thaiv, thiab cov tshuaj ua npuas dej (chlorofluorocarbons (CFCs), HCFCs., halon).
Nyob rau thaj tsam twg los txiav txim siab tias muaj qhov ozone?
Feem ntau lub qhov ozone yog 10 txhais tau tias yog thaj chaw uas tag nrho ozone kem (TOC) txo qis rau qhov nqi ntawm tsawg dua 220 DU.
