Ancient tributary na Volga kogin kanta

Volga ba a banza an dauki daya daga cikin manyan koguna na duniya, ta tsawon shi ne 3530 km, da daron yanki na 1.3 murabba'in kilomita miliyan ne da kishi na da yawa kasashen Turai. A zamanin da aka sani da Ra, a tsakiyar zamanai aka kira Itil.

Fara shan tsakanin marshy lake Valdai Hills. A Tuddan kwarin, motsi daga yamma zuwa gabas, yana tafiya ta cikin Tsakiya Rasha Upland. Kowane sabon tributary na Volga, tattara abubuwa masu kyau tare da shi, sa shi more kuma mafi m. Sa'ad da ya kai na Shefela na Urals, birnin Kazan, da tashar jũya sharply zuwa kudu kuma, watse ta cikin ridges sarkar shiga Caspian filayen kwari. A mahaɗar tsakãninsu da Caspian Sea haifar da wata babbar yankin Neja Delta.

River tsarin hada game da 151 dubu daban-daban a qarqashinsu, jimlar tsawon wuce 574 dubban kilomita. A kogin 300 zuba sauran kogin malala kasa a tsawon. Mafi yawan su gudanar a cikin ta a kan sashi daga cikin tushen zuwa birnin Kazan. Ya kamata a lura cewa hagu aikin gandu na da yawa fiye da da dama, kuma baicin, su ne ma fi girma. A 85 km daga Kazan, da kogin gudana a cikin Kama - mafi girma tributary na Volga.

Wane ne ya fi muhimmanci: zamanin d Kama Ra ko

A hakika mai girma da kuma ambaliya ne babban waterway na Turai na Rasha ya zama bayan da ci tare Kama. Kusa da birnin Togliatti Volzhskaya HPP Dam, tarewa da tashar, shi Forms wata babbar Kuibyshev tafki. A wannan jiki na ruwa da kuma gudana a cikin most hagu tributary na Volga.

A asali hydrological sigogi kamata a yi la'akari da babban Kama da Volga - ta dama tributary. A farko lura da masana kimiyya, ta gudanar da baya a 1875, ya nuna cewa mahaɗar tsakãninsu shi Bears a layi na 3100 m ³ na ruwa da na biyu, da kuma Kama - 4300. Sai dai itace cewa da mafi m tributary na Volga. Wannan shi ne saboda gaskiyar cewa mafi yawan tasa aka located a cikin taiga zone, inda ruwan sama ne ya fi a wasu sassa na Volga tasa.

Akwai da dama filaye a kan abin da babban kogin kamata a yi la'akari da Kama. Daya daga cikinsu - da tushen da aka located sama da farkon na Volga, kuma a labarin kasa yana da wata ãyã daga keda daukaka. Kuma jimlar yawan aikin gandu na babban Rasha kogin Kama baya.

Kuma mafi muhimmanci - Kama riga ya wanzu a lokacin da ya fi shahara Rasha River bai wanzu ba. A farkon rabin na Quaternary lokaci, to mafi girma glaciers Kama, tattara abubuwa masu kyau da Vishera, dauke da ruwanta tare da tsoho gado na Caspian Sea.

Amma a cikin tarihi na Rasha da kuma ta al'ada darajar daga cikin mafi girma da waɗansu kõguna na Turai shakka nauyi. Saboda haka Kama - mai tributary na Volga, da kuma ma'ana.

River preglacial lokaci

Oka ma a yi la'akari da progenitor na Volga, saboda ta kwarin da aka kafa tun kafin ma Ice Age. Ya fara a kan Tsakiya tsaunuka, da tsawo na ta source of 226 m. The kogin gudana a cikin babban kogi kusa da birnin Nizhny Novgorod. A fannin ta kwari ne 245.000 km ^2. Oka tsawon na 1480 km da shi yanayi ne na wani hali lebur kogin kwarara tare da wani gangare na wani talakawan na game da 0,11 ^o / _Yã. The most dama tributary na Volga, a kan ƙayyadaddu na kogin kwarin da kuma tashar ne zuwa kashi babba da ƙananan sassa. A Oka kogin kwarara da aka sani da Moscow, da moksha da Klyazma.