Hasken waje da hankali

A mafi yawan haske na waje an halaka shi. Kuma lalle ne, haƙĩƙa, Allah Mai yawan tausayi ne, Mai jin ƙai. Kuma bãbu wata hanya fãce zuwa ga haske. @ action: inmenu

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Wannan ya bi dokoki biyar na hasken waje mai da’awa wanda aka wallafa ta DarkSky International da kuma Illuminating Engineering Society:

1. Ma’ana. Ka haska kawai abin da yake buƙata, kamar hanyar tafiya, kofar ko kuma yankin tafiyar mota a cikin wurin ajiyar motoci.
2. Targeted. Zuwa ƙasan haske, inda ake buƙata, tare da rufewa don kada wani abu ya fita sama da hoton.
3. Maida-maida. Ba mai haske ba fiye da abin da ake buƙata. Idanuwa suna canjawa da kyau ga matsakaicin matsakaici, kuma haske yana ɓacewa.
4. An kula da shi. A kan kawai idan ana buƙata, tare da masu tsawo, masu raɗaɗi da masu jin motsi.
5. Launi mai zafi. Ka riƙe hasken rawaya zuwa mafi ƙaranci: ka zaɓi 3000 K ko ƙasa da haka, da hasken ja a wurare masu hankali.

Hasken da yake fita bã ya haskentar da kõme da muke buƙata.

Me za a saya da me za a guje wa

Ka kauce wa: fitilu masu bayyana, fitilun gilashi masu haske, kwalban duniya, fitilun sama da fitilun ruwa masu nufi gefe ko sama. Ka kauce wa fitilu masu launi mai sanyi ko haske na rana (4000 K da sama) don amfanin waje, da “‘yan sanda” floodlights waɗanda ke zama a kan dare duka.

Saye: fitilu da aka bayyana su a matsayin da aka rufe su gaba ɗaya ko kuma da aka rufe su gaba ɗaya, wanda ke da alama yana ɗauke da takardar shaidar DarkSky; fitilun LED masu haske mai haske na 3000 K ko ƙasa da haka (2700 K ana samunsu sosai, kuma ruwan hoda kusa da 2200 K yana da kyau har yanzu); mafi ƙarancin haske da yake aiki, an ƙaddara shi cikin lumen akan akwatin; da wani lokaci ko kuma mai jin motsi don duk abin da ke waje.

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Ba ku bukatar a musanya dukan haske. Mafi yawan fitilun da ke akwai ana iya inganta su:

• Sake fitilar da wata mai haske mai zafi da haske mafi ƙaranci.
• Add a shield. Retrofit shields da caps ana sayar da su ga manyan bango da kuma fitilu; wani metali mai sauƙi a kan hasken porch na iya hana mafi yawan haskensa zuwa sama da gefen.
• Re-aim floodlights kai tsaye ƙasa, ko kuma maye su da wani fitila mai rufewa.
• Saukar da shi. Wani fitila mai sauka a kasa yana haska ƙasa fiye da sauran wuraren kusa da ita.
• Ƙara wani mai nuna lokaci ko kuma mai gane motsi, ka ƙayyade zuwa lokaci mai ƙaranci. Hasken nan wanda yake lẽƙewa a lõkacin da wani mutum ya shũɗe a gabansa ne mafi aminci daga haske wanda ke rẽshe a cikin dare.
• QPrintPreviewDialog A cikin dare, don haka hasken ciki ba zai fita ba.

Nau’in fitilar waje

• Low-pressure sodium (LPS): mai inganci sosai, da wani haske na rawaya. Ideal kusa da masu kallo da kuma sensitive gidaje, ko da yake launuka ne mai wuya a ce daban a karkashin shi.
• High-pressure sodium (HPS): mai sauki da kuma haske na gari. Mai zafi kuma mafi ƙarancin ruwan hoda fiye da haske mai launin fari.
• Metal halide: haske mai launin rawaya, mai arziki a cikin ruwan hoda.
• LEDs: yanzu mafi yawan zaɓi. Suna da tasiri, suna da tsawo kuma, abin da ya fi muhimmanci, ana iya rage su: za su iya faɗi ƙasa lokacin da tituna ke ɓoyewa kuma su dawo zuwa haske mai kyau idan aka buƙata.

Wasu birane suna musanya hasken titin da LEDs. Wannan wata dama ce ta zinariya don rage gurɓatar haske, amma kawai idan fitilun da aka sanye da su sun zama masu kariya kuma suna da zafi. Kungiyar likitancin Amurka ta shawarci a cikin 2016 cewa hasken jama’a ya zauna a 3000 K ko ƙasa. Wani mai haske, blue-white LED zai iya sanya skyglow mafi muni daga fitilar da ya musanya.

Me yasa launin yake da muhimmanci

An ƙaddara launin haske kamar hasken zafin launi, cikin kelvin (K). @ label Hasken ruwan hoda yana rarrabawa a cikin yanayi fiye da hasken rawaya, don haka yana haskaka sama mafi yawa. Kuma shi ne sashin sifar da yake gaya wa jiki mafi ƙarfi “ya yi dare”, kuma shi ne sashen da ke jan hankalin ƙwayoyin cuta da yawa.

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Hasken fitilu da aka tsare da su da mugunta yana rage bambanci kuma yana ɓõye haɗarin a dare. Kuma idanun ma’abuta tsõro sunã da wahala mafi yawa. Hasken da aka rufe da kyau a matsakaicin mataki yana sa ido ya daidaita kuma ya ga fiye, ba kaɗan ba.

Tattaunawa da makwabta da majalisar

• Ka fara da kyau. Mafi yawan mutane ba su taba tunanin haskensu ba. Kuma Allah ne Mafi sani ga abin da kuke aikatãwa.
• Tara da wani gyaran aiki: fitilar wutar lantarki mai zafi, lokaci, ko kuma wata kariya. Kuma mai yi wa wani taimakon daidaita shi, da yawa yana warware al’amarin.
• Ga majalisarka, rubuta cikin sauri: tambayi ko yankin yana da doka ta hasken waje; tambayi cewa fitilun tituna na sabon da na maye gurbin su ne aka rufe su gaba ɗaya, 3000 K ko ƙasa, kuma an shafe su a ƙarshen dare; tambayi don kare sama mai duhu na filayen shakatawa da wuraren adana halittu. Ku tambaye su a cikin littãfi.
• Bring numbers. Councils respond to costs: well-controlled LED lighting can cut street-lighting energy bills substantially.

Yadda zaka iya taimaka

• Sake haske guda wannan mako: naka.
• Yadda za’a raba hoto na kafin da bayan na haske wanda ka rufe ko kuma ka sanye.
• Map the worst glare in your street and send it to your council.
• Ka yi aiki na kyauta domin gudanar da wani aikin hasken wuta ko kuma ƙididdiga na taurari ta hanyar taswirar gudummawa.

Sources and further reading

• DarkSky International da IES, Kaidoji biyar na hasken waje mai alhakin
• DarkSky International, Abun farko na hasken
• DarkSky International, DarkSky Ya amince da kayayyaki
• American Medical Association (2016), AMA ta amince da shawarwari don rage illa daga hasken titin mai karfi