Mene ne snow? Ta yaya ne snow?

Hankula yanayi canje-canje a cikin yanayi dauki wuri kowane watanni uku - a cikin bazara, lokacin rani, kaka da kuma hunturu. A kasar mu, a kowace shekara tsakanin Disamba da kuma Fabrairu rayayye yin kankara - daya daga cikin alamun farko na hunturu. Shin, wani mutum san yadda dusar ƙanƙara ne? Kuma abin da yake wannan halitta sabon abu a duk? Mun gano a cikin wannan labarin.

Mene ne snow

Snow - Wannan shi ne wani nau'i na hazo da cewa kunshi kananan lu'ulu'u na kankara. Masana kimiyya siffantãwa da shi zuwa tartsatsi hazo fadowa kai tsaye zuwa ga ƙasa. Bugu da kari, da dusar ƙanƙara - wannan shi ne daya daga cikin muhimman siffofin da hunturu, zuwa a daya ko wani yankin na duniya.

Dawwamar da impermanence na snow

Magana ne game da abin da yake snow, ba a ma maganar da haƙuri. Common - low yanayin zafi a cikin rashi na snow. A ka'ida, wannan shi ne na kullum lõkacin da ta je da ake kira hunturu sauyin yanayi, da halin da akai gaban snow a ƙasa, wanda ya ta'allaka a kan dukan zamanin da kalanda hunturu.

Oddly isa, amma da dagewa da snow - vacillates. A kalla a wasu sassa na duniya. Abin mamaki, da mazaunan wasu dumi yankuna (Afirka, kasar Larabawa, Madagascar, South America), da duniya bai san abin da snow ne. Kuma duk saboda wani yanayin sabon abu a cikin dumi sassa na duniya kawai ba ya wanzu ko akwai wani sau daya a cikin shekaru 10-20.

Yanayi na zama na snow

Shi ne mai ban mamaki, amma yanayi yanayi na sabon abu zai iya zama kawai a karkashin yanayi biyu:

• mai girma adadin danshi.
• low yanayin zafi (a kasa 0 digiri Celsius).

Synoptists lura cewa, mafi yawan snowfalls faruwa ta halitta a gwada high zazzabi: daga -9 digiri Celsius, ko mafi girma. Kuma sunã sanyã wannan ya nuna gaskiyar cewa sama ta fi qasa zazzabi, da more shi ya ƙunshi ruwa tururi. Wannan tururi ne da gaske a "kafuwar" na snow.

Domin mutane sha'awar da abin da yake snow, mun lura cewa da iyaka na ruwa abun ciki ne quite manyan: idan ka maida wadannan dabi'u a cikin lambobin, za ka samu wani 0.1 zuwa 5 santimita na ruwa a wani 10-santimita Layer na snow kwance a ƙasa. Da muhimmanci a nan shi ne da iska gudun, da crystal tsarin snow, zazzabi, da dai sauransu.

Mene ne tsarin da snow

Babban ɓangare na snow kashi ne, ba shakka, a Snowflake. Duk da minuscule size (wani talakawan na game da 4 millimeters), da Snowflake yana da wani remarkably cikakken fasali. Amma masu bincike mamaki ba shi, amma quite wani! Sunã zaton shi ne m cewa ba abin da yake snow a kan tsarin, da kuma wanda wani iri-iri m siffofi da kuma alamu samar da wata saƙa snowflakes fuskoki.

Idan muka yi la'akari da snowflakes daga wannan ra'ayi, za mu iya amince ce duk suna da musamman. Yana da irin karamin mamaki na duniya! An tabbatar ta hanyar kimiya da cewa wadannan snow "tubalin" da ka kasance musamman daidai lissafi Lines, daga abin da a heksagon. A wani m siffar snowflakes rinjayar da danshi matakin da, ba shakka, da kuma na yanayi iska zazzabi.

Don samun daidai santsi Snowflake, ruwa kwayoyin dole ne daskare, kuma ya jũya zuwa kankara lu'ulu'u ne. Da yake a kusa da kusanci da juna, suna makale, kamar sarkar, da kuma daskare a kan wani guda manufa, juya cikin wani lissafi da siffar. A yanzu lokaci, bãbu shakka a tsakanin masana kimiyya game da abin da wani Snowflake ne mai tarin daskararre ruwa kwayoyin shirya a sarkar.

Me ya sa muke bukatar snow

Snow yana da dama na asali Properties idon shafi muhalli. Bari mu bincika su, a cikin mafi daki-daki.

1. Snow garwaya da sauti da kuma rage tasiri na daban-daban na waje noises na kewaye wuri mai faɗi. Wannan ya faru ne saboda akwai kumfa tsakanin snowflakes da iska, yanã raunanar da waje vibration. Af, wannan bayani ne game da peculiar crunching snow yayin tafiya a cikin daskarewa weather. Creaking buga daskararre lu'ulu'u, shafa da juna a lokacin da ya matse. Daga wannan, suka deform da crack.
2. Abin da launi ne snow? A general, da yanayin shi ne na musamman fari. Ya taimaka masa ya gani hasken rana, rage yanayi zazzabi. Amma me ya sa runtse shi? Don hunturu ya hunturu, ba narke! A mafi yankuna na duniya ba abu mai yiwuwa ba tare da hunturu snow kuma low yanayin zafi.
3. Wani sosai muhimmiyar rawa a cikin halitta snow na rayuwa - wani irin kariya daga Flora da fauna daga matsananci yanayi a waje. Gaskiyar cewa snow cover rike zafi na duniya tara a kan rani, bai mutu ba kananan dabbobi da yawa shuke-shuke, har ma a wuya sanyi. Idan kun tuna, abin da yake cikin dusar ƙanƙara (gani a sama), shi ne mai sauki tsammani cewa shi halitta a wasu ajiye danshi da ake bukata by jiki a lokacin da spring tada.