The flood peak is higher, the flood volume is greater and the flood duration is longer.

洪水特点是峰高量大、持续时间长。

youdao

Because of lacking in data, the historic flood volume is often estimated only with the peak-volume correlation method.

历史洪水洪量的估算，由于资料缺乏，多采用单一的洪水峰量关系进行相关计算。

youdao

Considering the combined action of peak flood and flood volume, flood frequency use analysis by synthesis method in computer software.

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。

youdao

Defences, including flood gates and high-volume pumps, were officially opened in Kempsey in July.

BBC: New Worcestershire flood defences 'working well'

Chairman of Braunton Parish Council Liz Spear said newly-built flood defences were overwhelmed by the volume of water that hit the town.

BBC: Braunton 'cut off' by flood water as rain hits Devon

It will also reduce flood risk in the area by increasing the volume of water that can safely flow through the river.

BBC: River Nene: Silt removal aimed at improving navigation