Dusar ƙanƙara

Dusar ƙanƙara da kuma tarawar dusar ƙanƙara

Lokacin da muke magana game da dusar kankara, ba makawa mu ji kalmar dusar ƙanƙara. Glaciers suna da mahimmancin gaske a duk duniya, ba wai kawai saboda suna adana ruwa mai ɗumbin yawa ba, amma saboda suna daidaita yanayin halittu da yawa. Yankin dusar kankara yankuna ne da suke samarwa a cikin kankara kuma suma suna da mahimmanci a tsari da halaye na abubuwan da ke kewaye dasu.

A cikin wannan labarin zamu bayyana menene sanyin dusar ƙanƙara, yadda ake samunta kuma wanne ne mafi girma a Spain.

Menene sintirin dusar ƙanƙara?

Dusar ƙanƙara

Kila kun ji shi fiye da sau ɗaya. Yankin dusar kankara yanki ne na tsauni inda ake samun tarin dusar kankara mai yawa. Idan ka taba zuwa dutsen mai dusar ƙanƙara, za ka ga yankin da ke da dusar ƙanƙara mai yawa. Ko wannan dusar ƙanƙarar tana iya yin tsayayya da yanayin zafi mafi girma kuma kasancewa can har lokacin bazara.

Wannan saboda sararin samaniya yanki ne mai kariya daga ayyukan yanayi. Guguwar dusar ƙanƙara da ke faruwa da kuma ruwan sama a duk lokacin hunturu suna tara dusar ƙanƙara a waɗannan yankuna. Kasancewa mafi kariya daga iska, daga hasken rana da sauran abubuwan da suka shafi muhalli, yana da damar kasancewa tarawa.

Sauran masu canjin yanayin da suka yi tasiri a girman dusar dusar ƙanƙara ita ce tarin dusar ƙanƙara. Snowarin dusar ƙanƙara ta tara, tsawon lokacin da zai rage yana tarawa. Wannan shine abin da ke haifar da tabbaci a yankuna daban-daban na tsaunin da suka dace da waɗannan yanayin zafi, ɗumi da kasancewar dusar ƙanƙara da kankara.

Mun sami manya da shahararrun dusar ƙanƙara irin su Condesa glacier, wanda yake a cikin Sierra de Guadarrama. A wasu ƙasashe kamar Argentina da Chile suna amfani da wannan sunan don kiran wasu yankuna na kankara na Patagonia. Akwai wuraren tsaunuka da yawa da ake ajiye dusar ƙanƙara kusa da bakin koguna ko kusa da tabkuna. Yakin narkewar kankara koyaushe shine yake ciyar da waɗannan jikin ruwa.

Snowdrift na Countess

Essididdigar Snowdrift

Wannan dusar ƙanƙarar da aka ambata a sama sanannen sananne ne. Tana cikin Saliyo de Guadarrama kuma tana da kusan mita 2.000 sama da matakin teku. Wannan dusar ƙanƙarar tana da amfani tunda mutane suna amfani da dusar ƙanƙarar da aka adana a lokacin rani. Narkar da wannan dusar ƙanƙan kadan da kaɗan a cikin shekara yana ƙaruwa da kwararar Kogin Manzanares.

Wannan dusar ƙanƙarar ba wai kawai tana tara dusar ƙanƙara kai tsaye daga hazo ba, har ma daga abin da guguwa, iska da ruwan sama ke jigilarsa. Yanki ne da aka keɓe daga kololuwa inda zaku iya samun adadin dusar ƙanƙara mai tarin yawa duk shekara.

Anyi amfani dashi daga farkon karni na XNUMX zuwa ƙarshen karni na XNUMX don tara dusar ƙanƙara. Motar da alfadarai suka zana dusar kankarar zuwa Madrid da sauran ƙananan hukumomi. An yi amfani da dusar ƙanƙara don kiyaye abinci mai sanyi da kuma ɗan shayar da wasu abubuwan sha. Ka tuna cewa a wannan lokacin babu firiji ko firji. Bayan haka, an yi amfani da dusar ƙanƙan da aka tara a cikin shekara don waɗannan dalilai. Don inganta amfani da wannan dusar ƙanƙan, an ƙirƙiri bango na dutse a ɓangaren ƙasa, don haka dusar ƙanƙara ta tara cikin sauƙi kuma cikin adadi mai yawa.

Wannan ƙwanƙwasawar dusar ƙanƙara ita ce mafi mahimmanci a fuskar kudu ta Sierra de Guadarrama. Tsawonsa ya kai mita 625 kuma faɗinsa ya kai mita 80. Duk wannan yankin an rufe shi da dusar ƙanƙara duk shekara.

Rage girman dusar ƙanƙara

narke kankara daga kan dusar ƙanƙara

A cikin shekaru, jimillar yankinsa yana raguwa kamar yadda aka zata. Inara yanayin zafi da aka samu ta karuwar sakamako na greenhouse Yana haifar da ƙarancin dusar ƙanƙara ta taruwa saboda dalilai daban-daban. Na farko shi ne raguwar hazo a yanayin dusar ƙanƙara. Tare da wannan, iska ko guguwa ko guguwa ba zasu iya ɗaukar abu mai yawa ba. Na biyu shine ƙarin yanayin zafi gabaɗaya cikin shekara, yana mai da wuya a kiyaye dusar ƙanƙara.

Godiya ga narkewar da ke faruwa a lokacin bazara, ana ciyar da Kogin Manzanares da ruwa. Tare da narkewa ba yana nufin cewa tarin dusar kankara ya bace ba. Akasin haka, kawai yana rage sautinta. "Sihiri" na waɗannan wuraren shine har zuwa lokacin bazara, har yanzu suna da ɗimbin ɗimbin dusar ƙanƙara a cikin ajiya.

Wannan tarin dusar kankara ma saboda matsakaicin yanayin zafin da muke samu a duk shekara. Matsakaici a cikin dusar ƙanƙara ta Condesa digiri 5 ne. Ruwan sama yana 1400 mm a kowace shekara, yana mai da sulusinsa a lokacin sanyi. Daga cikin kwanaki 365 a shekara, dusar kankara takan dauki kwanaki 250, wannan babbar nasara ce.

Amma ga ciyayi, an daidaita shi da kasancewar dusar ƙanƙara. Tana da ciyayi na ƙananan shuke-shuke da gajere. Yawancin lokaci suna yin fure lokacin da narkewar ta faru kuma suna rufe har zuwa 33% na ƙasa. Daga cikin manyan ciyayi a cikin wadannan yankuna akwai joragales da wuraren kiwon dabbobi. Hakanan akwai wasu mosses da tsire-tsire masu tsire-tsire amma ƙanana a cikin girma.

Neveros

Firji

Tare da dusar ƙanƙara, tabbas kun taɓa jin filayen dusar ƙanƙara. Wannan filin dusar ƙanƙara yana nufin abu ɗaya ne kamar dusar ƙanƙara. Wannan shine ma'anar, yanki mara tsauri sosai inda dusar ƙanƙara ke taruwa wanda zai iya riƙe koda lokacin rani ne. Yana da wani karamin circi glacier. Wadannan filayen dusar kankara suna mai da hankali a tsaunuka tsakanin mita 2.500 da 3.000.

Hakanan akwai lokuta yayin da ake kiran waɗannan yankuna helero. Koyaya, ya fi dacewa a kira shi lokacin da abin da ya tara shine takardar kankara da ke faruwa inda dare mai sanyi akan narkewar ruwan.

Kamar yadda kake gani, yanayi yana da yankunan da babu kowa. Abu mafi mahimmanci shine dusar ƙanƙara ta faɗi ta narke bayan ɗan lokaci, yayin da yanayin zafi ke ƙaruwa. A wannan yanayin, dusar ƙanƙara tana iya tara su na dogon lokaci.


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