1997年干旱,且持续时间之长是多年来少有的,从三月下旬到九月中旬,三门峡市近半年高温少雨,降雨量仅为189毫米,比往年同期减少了三分之二,降雨量集中而且分布不匀,在局部地区还造成了洪灾,另一些地区滴雨未下。长时间的干旱,使一些水源枯竭,全市所有620个水塘无水,境内118条河流有96条断流,83座水库水位降到了死水位以下,地下水位普遍下降6—9米,严重的下降15米之多。 1997 drought, and the duration of the duration is rare for many years, from late March to mid September, Sanmenxia City, nearly half a year of high temperature and rainfall, rainfall was only 189 mm, two thirds over the same period last year, rainfall Concentration and uneven distribution, in some areas also caused flooding, drip rain in other areas. After a long period of drought, some water sources were depleted. There were no water in all 620 reservoirs in the city. There were 96 river discontinuities in 118 rivers in the city, and the water level of 83 reservoirs dropped below the level of stagnant water. The water table generally dropped by 6-9 meters. Down 15 meters.