2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Stratospheric ozone yog naturally-ccurring gas uas lim lub hnub ultraviolet (UV) hluav taws xob. Qhov no feem ntau suav hais tias yog 'zoo' ozone vim nws txo cov teebmeem ntawm ultraviolet (UV-B) hluav taws xob. Ib txheej ozone ploj zuj zus tso cai rau cov hluav taws xob ntau dua kom ncav cuag lub ntiaj teb nto.
Vim li cas txheej ntawm stratospheric ozone tseem ceeb?
Cov txheej txheej stratospheric ozone yog lub ntiaj teb "cov tshuaj tiv thaiv tshav ntuj" - tiv thaiv cov khoom muaj sia los ntawm ntau dhau ntawm ultraviolet hluav taws xob los ntawm lub hnub. Cov emission ntawm ozone depleting tshuaj tau ua puas lub ozone txheej.
Dab tsi yog qhov stratospheric ozone depletion?
Ozone Depletion. Thaum chlorine thiab bromine atoms nkag mus rau ozone hauvstratosphere, 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. … Thaum lawv tawg lawm, lawv tso chlorine los yog bromine atoms, uas ces deplete ozone.
Puas yog stratospheric ozone teeb meem?
Stratospheric ozone yog "zoo" vim tias nws tiv thaiv cov khoom muaj sia los ntawm ultraviolet hluav taws xob los ntawm lub hnub. Av theem ozone, lub ntsiab lus ntawm lub vev xaib no, yog "phem" vim tias nws tuaj yeem ua rau muaj ntau yam teeb meem kev noj qab haus huv, tshwj xeeb tshaj yog rau cov menyuam yaus, cov neeg laus, thiab cov neeg ntawm txhua lub hnub nyoog uas mob ntsws. kab mob xws li mob hawb pob.
Tus txheej txheem tam sim no ntawm stratospheric ozone txheej yog dab tsi?
rau ntauXyoo 2020 lub caij, stratospheric ozone concentrations nyob ib ncig ntawm 20 mus rau 25 km ntawm qhov siab (50-100hPa) mus txog zero qhov tseem ceeb nrog rau ozone txheej qhov tob qis li 94 Dobson Units (ib chav ntsuas), lossis kwv yees li ib feem peb ntawm nws tus nqi ib txwm.
Pom zoo:
Puas yog txheej txheej ntawm cov tshuaj yuav tshwm sim?
Qhov ntau ntawm cov txheej txheem; Cov txheej txheem tsis txaus tuaj yeem ua rautsis muaj txiaj ntsig gastric resistance, thaum siv ntau dhau txheej tuaj yeem ncua sijhawm tshuaj tso tawm thaum daim ntawv ntau dhau mus rau hauv cov hnyuv. enteric coated ua dab tsi?
Qhov twg yog qhov txo qis hauv stratospheric ozone qhov loj tshaj?
Qhov kev txo qis tshaj plaws hauv ozone tau tshwm sim hauv qhov siab latitudes (mus rau tus ncej), thiab qhov tsawg tshaj plaws tau tshwm sim nyob rau hauv qis latitudes (tropics). Tsis tas li ntawd, kev ntsuas atmospheric qhia tias depletion ntawm ozone txheej tau nce tus nqi ntawm UV hluav taws xob mus txog lub ntiaj teb nto.
Dab tsi yog txheej txheej txheej txheem nyob rau hauv lub ntiaj teb?
Lub neej muaj txheej txheem ntawm lub ntiaj teb yog the Biosphere. Lub neej muaj dabtsi? Cov kabmob lub neej yog qhov tseem ceeb ntawm lub sijhawm ntev ntawm cov kabmob tuaj yeem xav tau ua raws li qhov xav tau hauv kev ua haujlwm ua ntej tau teev tseg.
Cov txheej txheem huab cua twg muaj txheej txheej ozone?
Feem ntau atmospheric ozone yog concentrated nyob rau hauv ib txheej nyob rau hauv the stratosphere, li ntawm 9 txog 18 mais (15 mus rau 30 km) saum lub ntiaj teb nto (saib daim duab hauv qab). Ozone yog ib qho molecule uas muaj peb lub atoms oxygen.
Cov txheej txheem ozone hloov pauv li cas?
Ozone thiab oxygen molecules tau raug tsim, rhuav tshem, thiab hloov kho nyob rau hauv cov txheej txheem ozone li lawv tau tawg los ntawm ultraviolet hluav taws xob (UV), uas rhuav tshem cov kev sib txuas ntawm cov atoms, tsim cov pa oxygen dawb.
