洪水总量 （flood volume）简称“洪量”。洪水在一定历时内从流域出口断面流出的总水量。
在该模型中，可考虑到天然来水的洪峰流量、洪水总量和洪水过程线的不确定性。
In this model, the peak discharge of flood, flood total outflow and flood process are to be considered.
洪水总量减少，洪水历时延长，洪峰流量显著降低，洪水过程线表现为涨洪陡、落洪慢的特点；
The total flood volume is reduced, the flood duration is prolonged, the peak flow is decreased dramatically, and the flood hydrograph is characterized by the rapid rise and mitigatory recession;
考虑洪峰流量、洪水总量对洪水频率的共同决定作用，计算机软件中洪水资料频率的判断，采用综合分析法。
Considering the combined action of peak flood and flood volume, flood frequency use analysis by synthesis method in computer software.
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