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本文对渭河洪水作了宏观预测，并用灰色拓扑预测模型预测渭河下游的１９８８年到２０００年洪灾发生的时间，得出１９９７～２０００年前后有可能出现大洪水或较大洪水的结论。并分析了三门峡库区防洪的紧迫形势，提出了防洪减灾建议
In this paper, macroeconomic forecast of Weihe River flood is made, and gray topological prediction model is used to predict the time of flood in the lower reaches of Weihe River from 1988 to 2000, and the conclusion is drawn that there may be big flood or larger flood from 1997 to 2000. Analyzes the urgent situation of flood control in Sanmenxia reservoir area and puts forward suggestions on flood control and disaster reduction