Igiyar Gajimare
Girgizan igiyar ruwa wani nau'in girgije ne da aka ƙirƙira ta hanyar igiyar ruwa na ciki.
Samuwar[gyara sashe | gyara masomin]
An halicci raƙuman ruwa na ciki waɗanda ke samar da girgije na raƙuman iska yayin da iska ke gudana a kan fasalin ƙasa mai tasowa kamar tsaunuka, kuma suna iya samarwa kai tsaye a sama ko a cikin fasalin.Yayin da iska ke tafiya ta cikin raƙuman ruwa,yana fuskantar maimaitawa da saukowa.Idan akwai isasshen danshi a cikin yanayi, girgije zai samo asali a saman sanyi na waɗannan raƙuman ruwa.Acikin ɓangaren da ke saukowa na raƙuman ruwa,waɗancan girgije za su ɓace saboda dumama ta adiabatic,wanda ke haifar da halayen girgije da haske.Tushen girgije a gefen leeward ya fi girma fiye da gefen iska, saboda hazo a gefen iska yana cire ruwa daga iska.[1]
Yana yiwuwa maɗaukaki mai sauƙi daga kololuwar tsaunuka kuma na iya haifar da gizagizai. Wannan yana faruwa yayin da jujjuyawar ta tilasta igiyar igiyar ruwa ko gajimare ta lenticular zuwa cikin ingantacciyar iskar da ke sama.[2]
Muhimmanci[gyara sashe | gyara masomin]
Tsarin yanayin yanayi[gyara sashe | gyara masomin]
Giza-gizan igiyar ruwa yawanci tsakiyar-zuwa na sama-tsayin gizagizai na Ƙanƙara. Sunada sauƙin yin karatu, saboda suna da daidaito. A sakamakon haka, ana nazarin su don ƙara fahimtar yadda waɗannan manyan gizagizai na ƙanƙara ke tasiri a kasafin kuɗi na radiation na duniya. Fahimtar hakan na iya inganta yanayin yanayi.[3]
Nishaɗi[gyara sashe | gyara masomin]
Layukan da ke cikin waɗannan gizagizai suna da gangare mafi tsayi da ke da nisan kilomita kaɗan daga cikin gangaren dutse. Acikin waɗannan yankuna na tsayin tsayin daka ne jiragen ruwa zasu iya kaiwa tsayin daka.[1]
Tsarin[gyara sashe | gyara masomin]
A cikin kyakkyawan tsari,girgijen igiyar ruwa ya ƙunshi ruwan ruwa mai sanyi sosai a ɓangaren ƙasa,gauraye lokaci na daskararre da ruwa mai ruwa kusa da tudun,da ƙanƙara da ke farawa kaɗan ƙasa da rafin kuma yana shimfiɗa ƙasa.Duk da haka, wannan ba koyaushe yana faruwa ba Tsarin girgijen igiyar ruwa yana jeri daga santsi da sauƙi, zuwa jumbled matakan da ke faruwa ba da gangan ba.[1]Sau da yawa, ana iya samun lu'ulu'u na kankara a ƙasan raƙuman ruwa.Ko wannan ya faru ya dogara da jikewar iska. Abubuwan da ke cikin ƙanƙara a halin yanzu batu ne mai aiki na nazari.Babban hanyar samar da ƙanƙara shine nucleation mai kama da juna.Lu'ulu'u na kankara galibi ƙananan ɓangarorin spheroidal ne da siffa marasa tsari.ginshiƙan ƙanƙara suna da ƙasa da 1%, kuma faranti kusan babu su.
[3] Gizagizai masu girma dabam-dabam suna tasowa lokacin da danshi a cikin iskan da ke saman dutsen ya kasance a cikin yadudduka daban-daban, kuma an hana haɗuwa a tsaye.
Duba kuma[gyara sashe | gyara masomin]
- Lee taguwar ruwa
- Orographic dagawa
- A kwance juzu'i mai motsi
Manazarta[gyara sashe | gyara masomin]
- ↑ 1.0 1.1 1.2 Wallace, John M., Hobbs, Peter V. Atmospheric Science, and Introductory Survey. San Diego, CA: Academic Press, 1977.
- ↑ Worthington, R. M. "Lenticular wave cloud above the convective boundary layer of the Rocky Mountains," Weather 57(2002):87–90.
- ↑ 3.0 3.1 Baker, B. A., Lawson, R. P. (2006) In Situ Observations of the Microphysical Properties of Wave, Cirrus, and Anvil Clouds. Wave clouds got their name because they look like waves. Part I: Wave Clouds. Journal of the Atmospheric Sciences: Vol. 63, No. 12 pp. 3160–3185