Ezakhiwe nokuhlanganiswa kwemifula emikhulu emibili i-Altai - futhi Biya Katun emfuleni ob eqinisweni siyaqhubeka Katun. Ngesikhathi confluence lezi amadamu kwakhiwa ngokwanele enamandla flow yezinxushunxushu ngaphezulu. Futhi zonke emfuleni - umbala waso. Biya has nombala omhlophe noma ezingcolile-grey, futhi Katun - oluhlaza. Sebebonke ibe ukusakaza eyodwa yamanzi ixubene isikhashana, kuphumele amanzi ezimthende ezinemibala spray. Ikakhulukazi kahle lesi simo is ebonwe ihlobo noma ekwindla. Ukuwela Kara ulwandle ob yakha bay enkulu kokuba ubude mayelana 800 amakhilomitha ebizwe ob lip.
Bekanye owumthelela yayo le Irtysh emfuleni ob kwasekuqaleni omude kunayo yonke e-Russia (5410 km.) Owesibili - e-Asia. Endaweni umcengezi yayo - cishe bayizigidi ezingu-3 sq M.. km. Ngokusho indlela umlingisi inethiwekhi emfuleni, ukusuthisa izimo bakha amanzi imodi emfuleni ob kungenziwa ihlukaniswe yaba izingxenye ezinkulu ezintathu: elingenhla (emthonjeni emlonyeni emfuleni Tom), isangoma (emlonyeni Irtysh) kanye ephansi (kufika ob izindebe). Ukwanelisa amanzi omfula ngokuyinhloko ngenxa encibilika iqhwa, ukugeleza ngenqwaba kwesikhathi kwentwasahlobo nehlobo. Esikhathini sifinyelela engenhla kazamcolo ngokuvamile ekuqaleni kuka-April, isilinganiso - maphakathi lwenyanga, futhi phansi - ngasekupheleni April-ekuqaleni kuka May. Ukukhulisa izinga lamanzi luqala ekushoneni nqabela-up. Nakuvulwa emfuleni kungase kube okwesikhashana okukhulu izinga lamanzi linyuka ngenxa ice sezimoto. Kulokhu, mhlawumbe ngisho nokushintsha ukugeleza isiqondiso ezinye we OB nemingenela. Esikhathini sifinyelela engenhla kazamcolo ingase ihlale kuze July, ehlobo ongaphakeme isikhathi amanzi libhekene kokuntengantenga kwezomnotho, futhi ngo-September-Okthoba imvula izikhukhula. Ukuwohloka ezikhukhula e sifinyelela maphakathi kanye aphansi zingase ziqhubeke kuze kufike nqabela-up. Obi eziningi ezinkulu (Irtysh Charysh, Anouilh, Aley, Chumysh, Berd, Chulym, Tom, njll ..) Futhi nemingenela encane.
Ngesikhathi umsuka igama lalo emanzini izinguqulo eziningana. Ngakho, kulimi izwi Komi "ob" kusho "iqhwa" noma "snowdrift". Enye inguqulo ithi igama ngaso umfula sasiyisimangaliso umPheresiya "ku" ( "amanzi"). Kukhona inguqulo ukuthi isisekelo amagama kufanele izwi Russian "kokubili" ngoba kwakheka soMfula ob is by nokuhlanganiswa izindikimba ezimbili yamanzi. ithiyori ngamunye unelilungelo khona.
Ob River kubalulekile wonke esifundeni West laseSiberia. Isetshenziselwa njengendlela yemvelo zokuthutha umzila, ikakhulukazi ukulethwa ehlobo uphethiloli nokudla ezindaweni ezisenyakatho, ofinyelelekayo kuphela emfuleni. Nasengxenyeni eseningizimu kukhona Novosibirsk Reservoir (owaziwa nangokuthi uLwandle ob) kwakheka elakhiwa ngo 1950-1961 GG. idamu Novosibirsk HPP. Emanzini ob uhlala zinhlobo ngamashumi ayisihlanu ezahlukene kanye zenyathi izinhlanzi ukuthi cishe ingxenye yezindawo lapho awuhlobo target (ikakhulukazi esihle-anezikhala - Pike umbokwane, seabream, perch, ide, roach, njll). Njengenjwayelo ku Sturgeon emfuleni, Sturgeon, salmon ezimhlophe, whitefish, nabanye. Ob emfuleni, ikakhulukazi sifinyelela layo elingenhla, is ngokwesiko esetshenziswa njengoba indawo yokuphumula. Kukhona zokungcebeleka eziningi izikhungo izivakashi (ikakhulukazi endaweni Novosibirsk samanzi), eyaziwa hhayi kuphela e-Russia kodwa futhi phesheya.