Emepụtara Index UV na 1994 site na National Weather Service na US Environmental Protection Agency (EPA). Ọ na-enyere gị aka ịhazi atụmatụ gị n'èzí ka i wee zere ikpughe na radiation radiation.
Kedu ihe bụ Index Index?
Kwa ụbọchị, a na-edepụta UV Index maka ụbọchị na-esote ọ bụla zip koodu na US Ọ na-ebu amụma nke okpukpu ụzụ UV na ehihie ma na-akọ na ọnụọgụ nke 1 ruo 11+.
Na nke a, 1 na-egosi nkwụsị kachasị dị ala nke nrụpụghị njọ na 11+ na-egosi oke ihe ize ndụ kachasị njọ. A na-esonye nọmba nọmba Index nke UV n'ime ihe ndị na-ekpo ọkụ site na ala ruo n'ogo na ọkwa ọhụụ ọ bụla nwere koodu agba kwekọrọ.
Ihe ndị na-emetụta ụda UV
Ike nke UV radieshon, ma si otú ahụ UV Index, dabere na ọtụtụ ihe:
- Oge: UV Index kachasị elu na mmiri na ọkọchị. Ọ na-agbadata na ọdịda ma bụrụ nke kasị ala n'oge oyi.
- Latitude: Ntaneti redio kachasị ike na eriri ma gbadata ka ị na-aga n'ebe ugwu ma ọ bụ ogige ndịda.
- Elu: Ebe ọ bụ na ikuku dị elu dị elu karị, UV radiation na-arị elu ka ị "na-arịgo" n'elu elu.
- Oge nke ụbọchị: Mgbe anyanwụ dị elu na mbara igwe, ụzarị anyanwụ na-ada n'elu gị na ntakịrị ụzarị ọkụ na-agbasasị. Nke a pụtara na ụzarịcha UV dị oke elu n'oge "ehihie," na-emekarị n'etiti ehihie na elekere 1 nke ụtụtụ. Mgbe anyanwụ dị n'akụkụ nke ọzọ karịa 90 degrees n'ụwa, ụfọdụ radiation radiation na-agbasasị na-agbada ike emetụta akpụkpọ ahụ gị.
- Ozone: Ozone na-etinye radiation radiation na-eme ya obere ufiop. Ngwá ụrọ ozone nwere ike ịgbanwe site n'ụbọchị ruo n'ụbọchị.
- Ígwé ojii: Nnukwu ígwé ígwé ojii nwere ike igbochi ọtụtụ radiation radiation, Otú ọ dị, ígwé ojii dị ígwé ojii nwere ike ime ka ụzarị ọkụ nke UV dịrị. Mmiri na-egbuke egbuke, igwe ojii dị mma na-aghọgbu n'ihi na ha na-egbukepụ ụzarị ọkụ ma nwee ike ime ka ụba radiation na-eru ụwa.
- Ihe mkpuchi ala: Ọ bụ ihe ezi uche dị na ntụgharị dị ka osisi na ụlọ na-ebelata ụba radiation UV nke na-emetụta akpụkpọ ahụ gị.
- Àgwà Elu Ụwa: Ihe ọ bụla na-ekpuchi elu ụwa gburugburu gị nwere ike igosipụta ma ọ bụ gbasaa radiation radiation. Snow na egosiputa ruo 80%, ebe ájá na-egosipụta 15% na mmiri na-egosipụta 10%.
Otu esi achọta Index nke UV gị
Ị nwere ike ịchọta Index UV gị site na ịga na saịtị EPA si UV Index. N'ebe ahụ, ị nwere ike ịlele UV Index n'ihi koodu zip gị. E nwekwara ihu igwe ihuigwe UV Index UV nke dị ụbọchị anọ iji nyere gị aka ịhazi atụmatụ ịpụ apụ maka ụbọchị ole na ole na-esote.
Isi mmalite:
> Kinney, John P, Craig Long, na Alan Geller. "Index Ultraviolet: Ngwá Ọrụ Bara Uru." Akwụkwọ Ntanetị nke Dermatology. 6 (2000): 2.
> Ramirez, Raymond na Jeffrey Schneider. "Ntuziaka Bara Uru maka Nchebe Sun." Ụlọ ọgwụ na-agwọ ọrịa nke North America. 83 (2003): 97-107.
> United States > Ụlọ Nche Nchebe. "Nduzi nke Index Index." Mee 2004: 1-8.
Akwụkwọ Index UV
| UV Index Number | Ngosipụta ihe ngosi | Usoro agba |
| 2 ma ọ bụ obere | Ala | Green |
| 3 ruo 5 | Na-agafeghị oke | Yellow |
| 6 ruo 7 | Elu | oroma |
| 8 ruo 10 | Nnukwu elu | Red |
| 11+ | Oke | Violet |