Mene ne snow? Inda ya aikata da abin da ke cikin dusar ƙanƙara?

Kowane lokaci tare da isowa na hunturu da kuma snowfall muna fuskantar wasu irin tunanin da tsãwa mai tsanani. White bargo ya rufe gari, m gandun daji da kuma Ashtarot, m filayen da kuma fadi da kõguna a cikinta, kuma itatuwa zuwa kunsa up a m shimmering a rana tufafi, ba zai bar sha'aninsu dabam kowane yaro ko balagagge. Kamar yadda wani yaro mu iya zama for hours da taga kuma lura da yadda, circling sannu a hankali tashi da Snowflakes fada da laushi zuwa ga ƙasa ... Mun sau da yawa dauke da tsarin, kokarin samun biyu m, har yanzu mamakin da kyakkyawa da wuya daga wannan sihiri ƙawa.

Ake yin dusar ƙanƙara hunturu ko da yaushe ya cika a ran yaron a ji na farin ciki da inexplicable ni'ima. A tsawon lokaci, a lokacin da yaro ke tsiro up, da ji ne dulled, amma har yanzu wani wuri a cikin zuciyata duk Tashoshi, kuma mun ji dadin kyau na barci karkashin fari shãmaki yanayi. Toddlers sau da yawa tambaye iyayensu: "Abin da yake snow?" Manya yawanci amsa a monosyllables, yana mai cewa shi ne daskarewa ruwa. A wannan labarin, za mu yi kokarin gane ba kawai tare da tambayar abin da ke cikin dusar ƙanƙara, amma kuma dubi da kaddarorin, duka biyu a kan wani ɓangare na kimiyya, da kuma ta shayari.

Abin da mutane suke cewa da kundin sani?

Dahl ta Dictionary ya amsa wannan tambaya na abin da yake cikin dusar ƙanƙara, a cikin wadannan hanya: shi ne daskararre ruwa tururi, wanda fada a cikin nau'i na flakes, tãtsuniyõyi daga girgije; sako-sako da kankara da cewa maye gurbin ruwan sama a hunturu. Kamar yadda ka gani, da bayani ne quite zaran. Masani Wikipedia, kuma laconic, shi ya furta cewa, da dusar ƙanƙara - shi ne wani nau'i na hazo da cewa kunshi kananan kankara lu'ulu'u ne. Collegiate Dictionary rahoton da wadannan: snow ne mai ɗamfarar hazo, wanda an hada da kankara lu'ulu'u, dabam-dabam daban-daban siffar. snowflakes sau da yawa kama da irin kyakkyawan faranti ko taurari. sauke, idan zafin jiki saukad da ke ƙasa sifili digiri Celsius. Sai dai itace cewa duk kamus da kuma kundayen ce da wannan abu, amma tsabta a kan abin da yake snow, ba su taimaka. A wannan yanayin, koma zuwa ainihin kimiyyar.

tarihi bayanai

Inda ya aikata da dusar ƙanƙara? Na abin da yake kunshi? Mene ne ta zafin jiki? Wadannan da kuma wasu al'amurran da suka shafi dangantaka da wannan halitta sabon abu, masana kimiyya a duniya da sha'awar a lokaci mai tsawo. Saboda haka, a 1611 da astrologer da falakin Kepler wallafa wani kimiyya rubutun, mai suna, "A cikin kyakkyawan flakes." Marubucin ne sosai hadin karatu snow lu'ulu'u da matuqar rigor na lissafi. Aikinsa kafa tushen irin wannan kimiyya, a matsayin msar tambayar crystallography. Wani sanannun adadi na goma sha bakwai karni, Faransa lissafi da falsafa Rene Dekart, aka kuma da hannu a cikin binciken na da tsari snowflakes. Ya rubuta a cikin wata 1635 binciken, wanda aka baya kunshe a cikin aikin "Experience na meteors." A nan gaba, wannan tambaya da abin da yake a cikin dusar ƙanƙara, yana dauke da masana kimiyya a duniya m sau.

Da kuma nazarin ko wannan sabon abu zamani masana kimiyya?

Yau, ko da a cikin kindergarten yara ce cewa snowflakes an dimbin yawa kamar hexagons cewa da zane ne na musamman da kuma cewa babu wani m snowflakes. Zai ze cewa duk abin da aka riga aka sani: da yawan zafin jiki a da snow narke, a abin da shi ne, kuma yafi. Kuma duk da haka masana kimiyya sun ba rasa sha'awa ga wannan mu'ujiza yanayi da kuma har yanzu karatu da matakai na samuwar snowflakes. Sai dai itace cewa su suna kafa a kusa da ake kira crystallisation nuclei, da kuma, mafi kayatarwa da suka iya zama minti barbashi daga turɓãya, toka, pollen, kuma ko da spores.

snow quality, ya yaba da kasida

Creaking - Wannan shi ne mai ban sha'awa sakamako. Ya za a iya ji kawai a musamman sanyi weather. Saboda haka, idan za ka tsaya a gwada dumi rana, da dusar ƙanƙara zai zama shiru. Kuma quite daban behaves a lokacin da ba hunturu da sanyi. Mutane sun dade lura: ƙananan dusar ƙanƙara da iska zazzabi, da hakan farar amo irin na jemage. The masana kimiyya sun iya tabbatar da cewa wannan tasirin ne ke faruwa a sakamakon crushing microscopic kankara lu'ulu'u ne. Lokacin da snow zazzabi aka saukar, to, waɗannan lu'ulu'u zama mafi gaggautsa da wuya, sai suka emit a creaking sauti, watse a karkashin ƙafafun na motoci da mu ƙafafunsa. Idan ka murkushe daya irin wannan crystal, ba mu ji, saboda da kananan size. Irin wannan dabara sauti da mutum kunne ba zai iya kama. Amma tare, da lu'ulu'u ne iya haifar da wani na kwarai bango music. Wannan sosai creaking da raira waƙa kasida a ayyukansu.

Me ne snow, ko ruwan sama?

Yanayi dangantawa da disequilibrium (kwanciyar hankali) girgije talakawa wanda ya kunshi wani jam'i na abubuwa na daban-daban Tsarin da masu girma dabam. A mafi uniform tsarin, da more barga da girgije, kuma, daidai da, da ya fi tsayi zai ba adibas. A abin da fom suka isa ga ƙasa, da ya dogara da yawan zafin jiki na iska taro a podoblachnom Layer, kazalika da tsawo da kuma tsarin da girgije (yawanci shi ne gauraye, Ina nufin qunshi chilled ruwa droplets da kankara lu'ulu'u). Za mu fahimci cewa wannan yana nuna. Fadowa daga cikin gajimaren, da cakuda zuwa ga surface na duniya ya wuce ta podoblachnye taro. Idan da yawan zafin jiki a cikin wannan yanayin ne isasshe high, da kankara lu'ulu'u narke da ya canza kama zuwa al'ada ruwan sama tare da m zazzabi saukad. Wani lokaci, bayar low tsawo girgije, snowflakes iya ba su da lokacin da za a narke gaba daya, a cikin wannan harka, rigar snow da dama. Wannan shi ne dalilin da ya sa a cikin kashe-kakar iya fada gauraye hazo. Idan podoblachnoy taro zafin jiki ne, a'a, to da dusar ƙanƙara mai sauƙi ne.

Me ya sa yake wani lokacin snows a lokacin rani da kuma ruwan sama a cikin hunturu?

Mun yi nazarin, a abin da zazzabi shi ne yin kankara, amma a abin da - ruwan sama. Duk da haka, wani lokacin akwai m events, kamar bazara snow iya fada, da kuma hunturu - to ruwan sama. Abin da ya bayyana irin cataclysms? Bari mu yi kokarin fahimtar me ya sa wannan ya faru. Masana kimiyya bayyana wannan sabon abu ne karkacewa daga al'ada hanya na ci gaba da tafiyar matakai a cikin yanayi. Saboda haka, a cikin hunturu a tsakiyar latitudes taro iya samun quite dumi danshi-m iska motsi daga wuraren waha kudancin dumi tekuna. A sakamakon da narke fara, wanda bayyana kansu a cikin narkewa snow da kuma hazo a cikin nau'i na ruwan sama. A lokacin rani, za mu iya tsayar da m halin da ake ciki, da cewa shi ne zuwa kudu iya fashe sanyi iska talakawa daga Arctic. A lokacin da mãsu bãyar da bãya na dumi gaban kafa iko sosai cloudiness, a kan sashe Lines na biyu iska talakawa tare da daban-daban hazo yanayin zafi sosai m. Da farko, a cikin nau'i na ruwan sama, da kuma kara, a m sanyaya kuma bayar low girgije a cikin nau'i na sauki ko rigar snow. A kudancin yankunan, shi ne da wuya al'amarin, yayin da a cikin ƙasa ta surface zazzabi ya rage m.

Snow Rolls - abin da yake wannan anomaly?

Domin da farko lokacin da ganin wannan abin mamaki na yanayi, ka yanke shawara cewa wannan shi ne halittar mutum hannayensu. A gaskiya, irin wannan hanya ko Rolls twists halitta da kanta. Wannan shi ne wani rare meteorological sabon abu. Snow Rolls halitta iska, hau snow dai ya ba sama sama a cikin nauyi da kuma size. Yawancin wadannan guda da cylindrical siffar, amma akwai ban. Wannan sabon abu za a iya lura kawai a cikin yankuna da wani karfi gusty iska, haske da rigar snow kuma kawai a bude yankunan. Ake yin dusar ƙanƙara Rolls mirgine kan steppe kamar yadda komai ganga. Su size iya isa 30 cm a diamita da kuma 30 cm a fadin. A gaskiya ma, a kan wani snow-rufe filin na iya faruwa a lokaci guda daruruwan raba Rolls. Kowace daga cikinsu bar wata alama - wani irin hanya cewa ya nuna yanayin da traversed hanya. Snow Rolls sukan kafa a lokacin da nassi na hunturu hadari, lokacin da iska mai ƙarfi ne, kuma sabo snow. A iska zazzabi dole ne kusa da sifili.

Kan aiwatar da kafa Rolls ake yin dusar ƙanƙara

Wannan na faruwa ne kamar haka: a ƙasar surface ya kamata a rufe da ƙasa Layer na kankara ko cushe snow haihuwa, a cikin wannan harka, fadowa snow tare tamkar Layer da matalauta mannewa. Ƙananan Layer ya kamata da wani mummunan zafin jiki da kuma na sama - m (dan kadan sama sifili digiri). Sa'an nan sabo snow zai yi wani babban "yar ƙaramar ƙusa". A ganiya zazzabi aka dauke su debe biyu darajõji, kuma ga ƙananan Layer da biyu - ga babba. Gusty iska ya kamata a yi gudu mafi girma daga 12 m / s. yi ulla fara a lõkacin da iska "tono" wani yanki na snow. Bugu da ari, kananan lumps aka kafa, mirgina a filin ƙarƙashin rinjayar iska, nemowa daga kowane mita girma a Layer na rigar snow. Lokacin da yi yawa nauyi, shi zai daina. Saboda haka cewa ta size ya dogara da iska ya kwarara kudi.

Ban sha'awa facts game snow

Snowflake 1. 95% iska. Saboda wannan zai sauka sosai a hankali, a gudun 0.9 km / h.

2. A farin launi da snow saboda gaban iska a cikin tsarin. Kamar wancan ne da haske haskoki nuna daga cikin kankara crystal iyakoki tare da iska da kuma tarwatsa.

3. lokuta fadowa launi na snow aka rubuta a cikin tarihi. Saboda haka, a shekarar 1969, a Switzerland fadi baki snow, da kuma a shekara ta 1955 a California - Green.

4. A high duwãtsu na Antarctica da kuma iya saduwa da snow ruwan hoda, ja, Violet, yellow-kasa-kasa launi. Wannan yana yuwuwa ta da wata dabba - chlamydomonas snow, wanda zaune a cikin dusar ƙanƙara.

5. Lokacin da snowflakes fada a cikin ruwa shi ya sa da yawa daga high-mita sauti. The mutum kunne ba zai iya kama shi, amma kifi ne, kuma idan kun yi imani da masana kimiyya, shi yana son su da yawa.

6. A karkashin al'ada yanayi, snow narke a zazzabi na sifili digiri Celsius. Duk da haka, a lokacin da buga da hasken rana, da kuma shi zai iya ƙafe a yanayin zafi da ke ƙasa sifili, ta haka ne bypassing da ruwa form.

7. A cikin hunturu snow nuna daga ƙasa ta surface up to 90% na hasken rana, sa'an nan ba kyale shi zuwa dumama.

8. A shekarar 1987, a Fort Wani abu (USA) rubuce babbar flake a duniya. Its diamita ne 38 cm.

a ƙarshe

Ga mu farraba wannan yanayin sabon abu, wanda aka haka ƙwauro bayyana kundayen da kamus. Yanzu mun san da yawan zafin jiki a da snow narke, a abin da shi ne, yadda, a lõkacin da kuma dalilin da ya sa akwai snow Rolls da kuma fiye da dangantaka da cewa kyakkyawan bãyar da kuma abokin hunturu.