Girgizar girgizar girgije

Cirrus cloud thinning (CCT) wata hanya ce da aka tsara ta Injiniyan yanayi. Cirrus girgije ne mai sanyi sosai wanda, kamar sauran girgije, dukansu suna nuna Hasken rana kuma suna shan zafi infrared radiationhttps://www.bbc.com/hausa/topics/cz74kjr1dqrthttps://www.bbc.com/hausa/topics/cz74kjr1dqrt. Koyaya, sun bambanta da wasu nau'ikan girgije a cikin cewa, a matsakaici, ƙwaƙwalwar infrared ya fi ƙarfin hasken rana, wanda ke haifar da tasirin dumama a kan yanayi. Sabili da haka, taƙaitawa ko cire waɗannan girgije zai rage ƙarfin kama zafi, wanda zai haifar da tasirin sanyaya a yanayin Duniya. Wannan na iya zama kayan aiki don rage dumamar duniya. Cirrus cloud thinning wani nau'i ne na aikin injiniya na yanayi, ban da kula da hasken rana.https://www.bbc.com/hausa/topics/cz74kjr1dqrt

A cikin 2021 IPCC ta bayyana CCT a matsayin tayin "don rage yawan girgije na cirrus ta hanyar yin allurar abubuwa masu ƙwayoyin  kankara a cikin saman troposphere. " Koyaya ta ba da rahoton ƙarancin amincewa da tasirin sanyaya na CCT, saboda iyakantaccen fahimtar cirrus microphysics, hulɗarta tare da aerosols, da rikitarwa na dabarun shuka. CCT na iya kara yawan ruwan sama a duniya.https://www.bbc.com/hausa/topics/cz74kjr1dqrthttps://www.bbc.com/hausa/topics/cz74kjr1dqrt

 Ka'idoji na asali 
Guguwa na cirrus na yau da kullun na iya zama mai saukin canzawa don rage rayuwarsu da kauri na gani, sabili da haka tilasta musu na radiative (ba kamar yadda ake amfani da girgije mai laushi ba, mai dumi). Ana iya isar da kayan shuka irin wannan gyare-gyare ta hanyar jirage marasa matuka ko jirgin sama. Masana kimiyya sun yi imanin cewa girgije na cirrus a cikin babban latitude na sama da troposphere an kafa shi ne ta hanyar daskarewa, wanda ke haifar da adadi mai yawa na ƙananan lu'ulu'u na kankara. Idan an gabatar da ƙwayoyin kankara masu tasiri a cikin wannan yanayi, cirrus na iya zama ta hanyar daskarewa. Idan an shuka maida hankali ga ƙwayoyin kankara ta yadda sakamakon ƙwayoyin girgije ya fi ƙasa da na yanayin halitta, ƙwayoyin ƙwayoyin ya kamata su girma saboda ƙarancin gasa na tururi na ruwa kuma su sami saurin daidaitawa mafi girma. Ta hanyar shuka tare da aerosols, lu'ulu'u na kankara na iya girma da sauri kuma ya rage tururi na ruwa, ya hana nucleation da duk wani ci gaban lu'ulu-lu'u na ƙanƙara ta hanyar homogeneous nucleation. Sakamakon cibiyar zai zama raguwar kauri na gani da raguwar rayuwar girgije, yana ba da damar fitar da karin radiation na infrared a saman yanayi, yayin da ƙwayoyin kankara suka fita. Ƙananan tururin ruwa na tropospheric da radiation na infrared a cikin yanayi zai sanyaya yanayi.

An gabatar da Bismuth tri-iodide (BiI3) a matsayin kayan shuka, saboda yana da tasiri a matsayin ƙwayoyin kankara don yanayin sanyi fiye da -10 ° C,  wanda ba mai guba ba kuma ba shi da tsada idan aka kwatanta da misali iodide na azurfa.  Za a buƙaci ƙara aerosols na shuka a kai a kai, saboda zai zama mai laushi tare da manyan lu'ulu'u na kankara. 

 Binciken yanzu 
Ya bambanta da dabarun sarrafa radiation na rana, wanda zai kasance mafi tasiri a lokacin rana a ƙananan latitudes, narkewar girgije zai kasance mafi inganci a manyan latitudes da kusurwoyi masu tsawo na hasken rana, inda maida hankali na aerosol ba su da yawa.

Ba a fahimci hulɗar girgije-aerosol-yanayin yanayi da ke da muhimmanci ga ƙarancin girgije ba. Abubuwan da suka danganci tsarin daskarewa daban-daban ba su da tabbas, saboda ba a rubuta abubuwan da ke haifar da ci gaban kankara ba. Saurin tsaye yana da mahimmanci don kunna ƙwayoyin kankara, amma ya kasance ba shi da tabbas saboda rashin lura. Yanayin sanyi na iya zama ruwan dare a cikin cirrus,  wanda zai iya iyakance yiwuwar sanyaya fasahar. Akwai mahimman rashin tabbas da ke da alaƙa da ba kawai hanyoyin ƙwayoyin ƙwayoyin kankara a cikin girgije na cirrus da kuma ɓangaren ƙwayoyin da ke faruwa ta hanyar daskarewa mai banbanci da daidaituwa ba, har ma da wakilcinsa a cikin samfuran yanayi. "A kan shuka" na iya haifar da dumi, sabanin sanyaya da ake so. Nazarin da yawa suna tantance yiwuwar da yiwuwar narkewar girgije da tasirin dabarar ya kasance batun muhawara.

Saboda rashin wakilci na ainihi na ƙwayoyin ƙwayoyin kankara a cikin tsarin tsarin Duniya, wasu binciken sun yi amfani da wakilci mai sauƙi na ƙarancin girgije ta hanyar ƙara saurin ƙarshe na ƙwayoyanƙarar kankara a ƙasa da ƙofar daskarewa na kimanin -38 ° C. 

Tsarin girgije na Cirrus na iya haifar da aerosols na biyu, watau barbashi da aka samar ta hanyar rayuwar shuka ta halitta.

Some modelling of cirrus cloud seeding indicates significant reductions in climate damage due to CO2 increase.

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