Terms for subject Hydrology containing flood

English	Chinese
flood cross-section	洪峰断面
flood frequency	洪水频积 (total)
flood frequency	洪水累积频率 (total)
flood peak	洪水峰
flood protection	洪水防护
flood recession cropping area	退洪种植面积
hypothetical flood hydrograph	假拟洪水过程线
maximum flood	最大涨潮流速