Abstract : After June 2000, there were piezometric level abnormity occurred in piezometer tubes 1140-1 of left-bank earth-rock filled dam of Danjiangkou hydro-junction.

• 摘 要 ：2000年6月以来，丹江口水利枢纽左岸土石坝“1140-1上”测压管水位出现异常。