Article: KAZAKHSTAN - Caspian Flooding Affects Oilfields.

While the Aral Sea has been drying up rapidly, the Caspian Sea has risen by about three metres since 1978. In some places the sea has advanced inland by more than 70 km. Resultant flooding has caused serious problems to oil operators. At Tengiz, more than 100 wells have been flooded. About 1,200 wells and refinery installations on the north-east coastline are at risk. This and other coastal regions in the Caspian are among the most polluted areas in the former Soviet Union.

This trend might be cyclical. In the past, the Caspian Sea was falling, much like the Aral Sea to the east. Old photographs of Baku, capital of Azerbaijan, show the shoreline much closer to ...

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