An investigation into the districts of storing floodwater,low-lying land and polder breach flood are made, based on this, restoring calculations are analyzed and demonstrated.

• 对沿淮行蓄洪区、部分洼地、圩区以及淠河水系圩口溃破情况进行了洪水调查,并进行分析、论证及部分还原计算。