Daskare-up - wannan shi ne na musamman lokacin da yanayi

Da samuwar kankara a farfajiya na ruwa, zama da shi kogi, lake, ko gilashin bar a cikin sanyi - wani abin mamaki sabon abu. An hade da jiki Properties na taya.

Kamar yadda kankara siffofin

A dumi ruwa kwayoyin samar da wata sarkar, tsawo da kuma miƙa. Daidai saboda wannan ruwa ne amorphous. A miƙa mulki ga wannan jiha na tari kamar kankara mai yiwuwa ne kawai a lokacin da zazzabi saukad da zuwa kome alamomi. A wannan yanayin, da ruwa kwayoyin aka shirya a ta musamman Grid. A gaskiya, shi kama da samuwar kankara. Na biyu sunan - misãlin. Wannan namun daji ne don haka ya shirya cewa daskarewa da ruwa jikin shi ne yawanci miƙa a kan wani dogon lokaci. A irin wannan abu ya faru saboda yanayin yanayi. Don samar da pervolodka isa cewa tsaya ga kamar wata da dare a wata zumunta kyau sanyi windless. Duk da haka, da kaifi Warming, garin kankara tare da ruwa da ruwa, iska da kuma damp hazo iya haifar da gaskiyar cewa ruwa sake kõmo zuwa ta ruwa a jihar. Sa'an nan da lokaci na daskare zana shi a kan wani unknown lokaci.

A ko'ina cikin rani da kuma dumi kaka kududdufai tara zafi, don haka farkon na farko sanyi da ruwa ne warmer fiye da kewaye iska shi. Ba abin mamaki ba, domin da yawa daga ruwa ne yafi! Contact na dumi ruwa da kuma sanyaya iska sakamakon a wani dauki kira zafi musayar.

Lokacin da ruwa a kan surface za zazzabi na 4 digiri Celsius, za a fara stirring surface ruwa, tare da zurfi. The ruwa cewa ya kan surface zama m, kuma dumi ruwa displaces da kasa saboda ta ƙananan yawa. Saboda haka, duka kauri daga cikin ruwa cools saukar a ko'ina.

Daskarewa - wani sabon abu a cikin abin da ruwa zazzabi zama daidai sifili darajõji, kuma ya bayyana a kan kankara tafki. A hakikanin rai, da m zazzabi iya bambanta da dama digiri. Wannan shi ne saboda da gaban daban-daban impurities a cikin ruwa, da kuma wani ra'ayi na ruwa, ta zurfin, yanzu, kasa topography.

Daskare-up a kan waɗansu kõguna

Daskare-up - wannan shi ne wani hadarin gaske musamman zamani domin shigar da kankara kogin. kankara da aka samu daga baya fiye da a cikin m ruwa jikuna a akai halin yanzu. Amma kankara girma shi ne da yawa sauri saboda gaskiyar cewa ruwa ne colder.

Babban hadari pervolodya kõguna - da canji a cikin ruwa matakin. Ruwan karkashin kasa peremerzayut da gushe makaman da waterway saboda ruwa matakin abruptly zama m, da kuma kafa na farko kankara farawa karya. Floe buga a kan a wuri guda, inda suke sai a amince daskare, forming kankara hummocks.

Lokacin da ka iya je a kan kankara

An yi imani da cewa kankara kauri ne 5 cm iya tsayayya da nauyin mutum daya. Duk da haka, magoya na kankara kama kifi ba da shawarar bude kakar, yayin da kankara kauri kai a kalla 10 cm - an yi imani da cewa idan wannan kauri an ƙarẽ misãlin. Wannan ba dole duba kowace rana. Babu bukatar kullum zuwa kogin. Isa ya yi sauki lissafin kuma kewaya a kusa da ranar saki a kan kankara. An yi imani da cewa da akwai kankara a 10 cm da wani iska zafin jiki na debe 5 digiri rufe kauri da rana ƙara 4 cm, a zazzabi na -10 - 6 cm kusan biyu da kauri daga cikin kankara idan dare da yawan zafin jiki za a kiyaye a kusa -20 digiri ..