ShELF

ShELF (angl, shelf), tunukobai materiki, hamvorihoi zeriobii atrofi materikhost, ki qad-qadi sohilhoi bahru uqyonusho tul kashidaand va sokhti geologiashon niz bo khushki yak khel ast. Chuqurii kanori Shelf odatan 100—200 m, vale dar baze joyho (mas., dar khamii Kurili Janubii b. Okhota) to ba 1500—2000 m merasad, bari Shelf to 1500 km ast (mas., dar ud. Yakhbastai Shimoli). Maydoni umumii Shelfhoi jahon — qarib 32 mln km2. Shelfhoi az hama serbar dar kanori shimolii materiki Evrosiyo va b. Bering, khal Gudzon, b. Janubi Khitoy, dar shim. Avstraliya voqe gashtaand. Shelf az mohi va hayvonhoi bahri boy ast. 92% shikori mohii jahon ba Shelf rost meoyad. Az qari zamini Shelf neft va gaz istikhroj mekunand (khalqhoi Fors, Meksika, b. Shimoli va g.). Justujui dig. sarvathoi tabiat (kassiterit, titanomagnetit, almos, tillo va g.) davom dorad. Nisbat ba Shelf sohibikhtiyorii davlathoi nazdi sohil muqarrar karda shudaast. Qoidai baynalkhalqii istifodai Shelf dar konvensiyai makhsusi Konferensiyai Jeneva oid ba huquqi bahr (s. 1958) muayyan gardidaast.