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Chigwa cha Kumadzulo cha Siberia: chilengedwe, nyengo ndi zina

Chigwa cha Kumadzulo kwa Siberia ndi chimodzi mwa zigwa zazikuru padziko lonse lapansi. Kuchokera kumpoto mpaka kummwera kuli mtunda wa makilomita awiri ndi hafu zikwi, kuchokera kumadzulo mpaka kummawa - osachepera zikwi ziwiri. Malire ake ndi awa: kumpoto - nyanja ya Arctic Ocean, kum'mwera - Kazakh melkosopochnik, kumadzulo - m'midzi ndi kummawa - Yenisei. Madera a chigwacho ndi ochepera makilomita atatu miliyoni.

Pali malo ambiri amchere omwe amapezeka pano. Koma zazikulu ndi ma hydrocarboni. Chigwa cha Kumadzulo kwa Siberia ndi mafuta ndi gasi lalikulu kwambiri okhala ndi chigawo cha Russian Federation ndipo ndi chimodzi mwa zazikulu padziko lonse lapansi.

Malo akuluakulu komanso kuyanjana kwapadera kwa chithandizocho chinapangitsa kuti Chigwa cha Kumadzulo kwa Siberia chikhale ndi chiwerengero chochuluka cha chilengedwe ndi nyengo, ndi kufalitsa koyera kuchokera kumpoto mpaka kumwera. Kumadera omwe ali pafupi ndi Arctic Ocean, malo omwe amapezeka ndi malo ambiri okhala ndi mathithi ambiri. Kum'mwera, khalidwe la nthaka likuyamba kusintha. Tundra imaloŵedwa m'malo ndi nkhalango zam'mapiri ndi zilumba zazitali, kumwera - taiga, zomwe zimakhala ndi mitengo yamdima, kumbali ya kummwera kwa nkhalango zakuda. Pafupifupi makumi asanu ndi asanu mphambu zisanu ndi chimodzi, massifs a m'nkhalango amadzipangidwira ndi minda ndi minda, ndipo palibe madera omwe ali kumalire ndi Kazakhstan, kupatula kumapiri a kum'mawa.

M'zaka makumi asanu ndi awiri za makumi asanu ndi awiri zapitazo, chigwa cha West Siberia chinakhudzidwa kwambiri ndi matenda a anthropogenic. Mphamvu ikupitirira mpaka lero. Izi zimayambira pachiyambi cha kukula kwa misala ya hydrocarbon. Koma ngakhale tsopano, madera ambiri kunja kwa minda ya hydrocarbon amakhalabe zakutchire, monga zaka zambiri zapitazo.

Zochitika zachilengedwe ngakhale pamtunda umodzi ndizosiyana apa. Izi zili choncho chifukwa chakuti Chigwa cha Kumadzulo kwa Siberia, chomwe chimadalira kukhalapo kwachilengedwe (Urals), chomwe chimateteza ku mphepo yotentha ya kumadzulo, chimachokera ku nyengo yosawerengeka ya continental kupita ku nyengo yayikulu . Ndipo ngati kusiyana pakati pa kutentha kwa chilimwe ndi nyengo yachisanu kumadera omwe ali pafupi ndi Mtsinje sikunatchulidwe, ndiye kuti mabanki a kumanzere a Yenisei ali kale gawo limene dziko lonse likulamulira kwambiri.

Palibe kusiyana kwakukulu kumtunda, komabe pali mapiri ang'onoang'ono, otsika ndi mathithi, omwe ali olemera makamaka ku West Siberia Plain. Mpumulo, zikuwoneka, uli ndi zinthu (Vasyugan plain, Kulunda chilonda, Baraba lowland, ndi zina zotero), mpikisano pakati pawo - amene ali otsika. Ndipo kumpoto kokha ndi Uvaly wa Siberia - Mndandanda wamakilomita mazana asanu ndi anayi, malo okwera kwambiri omwe sanapitirire mamita mazana atatu.

Mwapadera, ziyenera kunenedwa za mitsinje ya Chigwa cha Kumadzulo kwa Siberia. Pafupifupi gawo lonselo likukhala ndi Ob basin pamodzi ndi mtsogoleri wamkulu wa Irtysh. Gawo la kum'mwera kwa chigwalo limalowa mumsasa wa Yenisei. Madzi ali ochuluka. Koma chifukwa cha chikhalidwe chokongola cha mtsinjewu ndi kusowa kwa kukwera pamwamba pa malo akuluakulu ogwiritsira ntchito mphamvu zamagetsi, sizingachitikepo, kupatulapo Novosibirsk, yomwe ili pamtunda wapamwamba. Ngakhale zili zovuta kwambiri, kumanga kampani yamagetsi ku Ob ndi kochepa kwambiri kuposa Novosibirsk, popeza m'madera amenewa padzakhala malo ambiri.

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