Kogin kogin

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Tafkin kogi yanki ne na ƙasa wanda ruwan karkashin ƙasa da ruwa daban-daban ke gudana a ciki. Tunda yana da wahala a gano tushen ruwan karkashin kasa, to rafin kogin ne ya zama tushen ginshiƙin.

Musayar ruwa tsakanin babban kogi, tabkuna da ƙananan rafuka na faruwa a kai a kai, wanda ke tabbatar da tsarin mulkin kwarin. Tsakanin sassan ruwan da ke kusa da su akwai iyaka tare da layin magudanan ruwa.

Nau'o'in kogin

Masana kimiyya sun rarrabe nau'ikan kwalluna biyu - ruwa mai guba da magudanar ruwa na ciki. Dangane da haka, yankunan ruwa masu ɓarna sune waɗanda sakamakon haka suke da mafita zuwa teku.

Dukkanin magudanan ruwa suna da tsayi na babban babban kogi da yankin yanki na kogin ruwa, yawan kwararar ruwa da kwanciyar hankali na tashar kogin, hanyoyin samun abinci mai gina jiki da yanayin yanayin ruwa. Mafi yawan lokuta, ana hadawa da kogunan ciyarwa yayin da akwai hanyoyin samun ruwa da yawa.

Babbar tafki mafi girma a duniya

An yi imani cewa kowane kogi yana da kwandon ruwa, ba tare da la’akari da ko ya shiga cikin wani kogin, teku ko teku ba. Mafi yawan kwaruruwan kogunan da ke gaba:

  • Amazon;
  • Congo;
  • Mississippi;
  • Ob;
  • Kogin Nilu;
  • Parana;
  • Yenisei;
  • Lena;
  • Nijar;
  • Amur.

Ya danganta da yankin kogunan kogi, da farko, suna da mahimmancin tattalin arziki. Ofayan ayyukan kogunan shine nishaɗi.

Don haka, babban kogi, tare da raƙuman ruwa da tushen ruwa, suna samar da kwarin kogi. Wannan yana haifar da raguwar wasu jikin ruwa, amma don kaucewa hakan, ya zama dole ayi amfani da hankali wajen amfani da ruwan kogin duniya.

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Kalli bidiyon: GTA 5 Mein Dragons (Yuli 2024).