Inqaku le-UV lakhiwa ngo-1994 yiNational Weather Service kunye ne-US Environmental Protection Agency (EPA). Inceda ukucwangcisa imisebenzi yakho yangaphandle ukuze ugweme ukufikelela kwimimandla ephezulu ye-UV.
Yintoni i-Index Index?
Nsuku zonke i-UV Index ibalwa ngosuku olulandelayo kuyo yonke ikhowudi ye-zip e-US It liqikelela ubungqina bemisebe ye- UV emini kwaye libikwe kwizinga eli-1 ukuya ku-11 +.
Kule nqanaba, 1 ibonisa umngcipheko ophantsi kakhulu wokugqithisa kakhulu kunye ne-11 + ibonisa umngcipheko ophezulu kakhulu wokugqithisa. Izinombolo ze-UV Index zikwahlulwa kwakhona zibe ngamanqanaba athatywayo ukusuka kwi-low to extreme and level level each.
Izinto ezichaphazela i-Index Index
Ubungakanani bemisebe ye-UV, kwaye ngoko ke i-Index Index, kuxhomekeke kwizinto eziliqela:
- Ixesha: I-UV Index iphezulu kakhulu entwasahlobo nasehlobo. Ihla ekwindla kwaye iphantsi kakhulu ebusika.
- I-Latitude: Imisebe ye-UV inamandla kakhulu kwi-equator kwaye iyahla xa uhamba uye waya enyakatho okanye emantwini.
- Indawo ephakamileyo : Ngenxa yokuba umoya ophakamileyo uphezulu, imisebe ye-UV iya phezulu njengoko "ukhuphuka" kwindawo ephakamileyo.
- Ixesha Losuku: Xa ilanga liphezulu phezulu esibhakabhakeni, imisebe yelanga ibetha ngqo phezu kwakho kunye nemibala embalwa kakhulu. Oku kuthetha ukuba ubukhulu be-ray emisebe ye-UV buphezulu ngexesha le "ilanga lelanga," ngokuqhelekileyo kwindawo ethile phakathi kwemini kunye no-1 pm. Xa ilanga lisekona ngaphaya kwee-degrees ezingama-90 emhlabeni, iminye imisebe ye-UV iyabalalisa lichaphazela ulusu.
- I-Ozone: I- ozone ibamba imisebe ye-UV eyenza ibe nzima. Amanqanaba e-Ozone angashintshashintsha imihla ngemihla.
- Isembozo seNkuni : Isibambiso esinqumbileyo sefu singavimba kakhulu ukukhanya kwe-UV, kodwa, amafu amancinci anokuvumela i-ray eninzi ye-UV. I-Fluffy, amafu emozulu ahambelanayo ayakhohlisa ngenxa yokuba abonisa imibala kwaye angandisa ukwanda kwemitha eya kwiMhlaba.
- Isikhuselo somhlaba: Kunengqiqo ukuba izakhiwo ezifana nemithi nezakhiwo zinciphisa umlinganiselo we-UV emisebe yesikhumba sakho.
- Ubunjani bomhlaba Ubume: Nantoni na ukugubungela ubuso bomhlaba ojikelezayo ungabonakalisa okanye usasaze ukukhanya kwe-UV. Iqhwa libonisa ukuya kwi-80%, ngelixa isanti ibonisa i-15% kunye namanzi abonisa i-10%.
Indlela yokufumana i-Index yakho ye-UV
Unokufumana i-Index yakho ye-UV ngokutyelela indawo ye-Index Index ye-EPA. Kulapho unokwazi ukubheka iNkcazo ye-UV yekhowudi yakho ye-zip. Kukho imephu ye-UV ye-UV Index ye-UV-Day ye-United States ekuncedeni ukucwangcisa imisebenzi yakho yangaphandle kwiintsuku ezimbalwa ezilandelayo.
Imithombo:
> Khusela, uJohn P, uCraig Long, noAlan Geller. "I-Index ye-ultraviolet: Isixhobo esibalulekileyo." Dermatology Journal Online. 6 (2000): 2.
> Ramirez, uRaymond noJeffrey Schneider. "Isikhokelo esiSebenzayo sokuKhuselwa kwelanga." Iikliniki zophando zaseMntla Melika. 83 (2003): 97-107.
> United States > I-Arhente yokuKhuselwa kweNdalo. "Isikhokelo se-Index Index". NgoMeyi 2004: 1-8.
I-UV Index
| Inombolo ye Index UV | INqanaba lokuPhumela | Ikhowudi yombala |
| 2 okanye ngaphantsi | Ephantsi | Luhlaza |
| 3 ukuya ku-5 | Eyona ndlela | Lubhelu |
| 6 ukuya ku-7 | Ephakamileyo | orenji |
| 8 ukuya ku-10 | Phezulu kakhulu | Bomvu |
| 11+ | Extreme | Violet |