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Üstirt
From Wikipedia, the free encyclopedia
Üstirt ehk Üstirti platoo on platoo Kasahstanis ja Usbekistanis, mis paikneb Mangõšlaki poolsaare ja Garabogazi lahe ning Araali mere ja Amudarja delta vahel.
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Üstirti platoo pindala on umbes 200 000 km², absoluutkõrgused üle 300 m. Maastikus on enamasti esindatud savikõrb, kus kasvavad pujud ja ogamaltsad, kaguosas on savi- ja kivikõrb. Kohati on solontšakid, põhjaosas ka liivakõrb.
Üstirti platool on korraldatud maa-aluseid tuumarelvakatsetusi, sh 1970. aastatel pandi toime kolm plahvatust Manggõstau oblastis Mangõšlaki poolsaarel.