Daryoi Oka

Oka daryoest dar qismi evropoii SSSR, kalontarin va purobtarin shokhobi rosti daryoi Volga. Tulash 1500 kilometr, masohatash havzaash 245 hazor kilometr². Az qismi markazii Balandii Miyonai Rus ibtido yofta, dar nazdikii sh.ahri Gorkiy ba daryoi Volga merezad. Aa sargahash to hamroh shudani daryoi Mo­skva dar vodii barash to 3 kilometr jori meshavad, majroyash purpechutobi os- tonador ast.

Az rezishgohi daryoi Mosk­va poyontar vodii to 20—30 kilometr vase meshavad. Dar in qism ham machroi daryo purpechutob ast va ostonayu tunukobahoi bisyori on kishtigardiro mushkil megardonand. Baroi behtar kardani kishtigardi dar in masofa 2 shlyuz va dargothoi Beloomutovsk, Kuzminsk sokhta shudaand. Shokhobhoi kalonash: az chap — Jizdra, Ugra, Moskva, Klyazma; az rost — Zusha, Moksha.

Sarfi solonai ob dar loyovob 1300 metr³/soniya. Davrai purobiash aprel— may. Daryo az okhirhoi noyabr to okhirhoi aprel yakhpush ast. Az shahri Chekalin to rezishgoh (1200 kilometr) kishtigard meboshad. Ba vositai Oka masolehi binokori, chub, angishtsang, galla, mahsuloti neft va mo­shin mekashonand. Shahrhoi kaloni sohilhoi Oka— Oryol, Kaluga, Alek­sin, Serpukhov, Kashira, Ryazan, Qosimov, Murom, Pavlovo, Gorbatov, Dzerjinsk, Gorkiy.