浙江省小流域设计洪峰流量的简捷估算方法
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摘要
为了实现山丘区小流域设计洪峰流量的快捷估算,按分布基本均匀和大区套小区的原则,分别在全省筛选了162个代表流域和大套小32组共72个流域,计算机提取流域(河流)特征,以暴雨分析设计洪水、面积指数,并绘制成8种设计频率的洪峰模系数等值线图,据此可以快捷查算全省任意指定断面的设计洪峰流量值。
In order to achieve a faster estimation of small watershed design peak flow in hilly areas,according to the principle of the basic even distribution and groups of small region in big one,72 basins were selected from 162 representative basins and 32 groups in Zhejiang Province.The watershed(river)features were extracted by computers,rainstorms were used to analyze design flood and area index.We drew contour maps of flood peak mode coefficient in 8kinds of design frequency.According to the map,the design peak flow values of any specified section in Zhejiang province can be checked and calculated quickly.
In order to achieve a faster estimation of small watershed design peak flow in hilly areas,according to the principle of the basic even distribution and groups of small region in big one,72 basins were selected from 162 representative basins and 32 groups in Zhejiang Province.The watershed(river)features were extracted by computers,rainstorms were used to analyze design flood and area index.We drew contour maps of flood peak mode coefficient in 8kinds of design frequency.According to the map,the design peak flow values of any specified section in Zhejiang province can be checked and calculated quickly.
引文
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[2]郭生练.设计洪水研究进展与评价[M].北京:中国水利水电出版社,2005.
[3]浙江省农业区划委员会办公室.浙江省农业区划图集[M].西安:测绘出版社.1989.
[4]熊怡,张家桢.中国水文区划[M].北京:科学出版社,1995.
[5]朱冀军,华鹏年,刘新生.全国水文分区体系现状与指标体系[J].公路,2012(4):1-3.
[6]伍远康,陶永格,刘福瑶.基于区域回归分析法的浙江洪水计算分区[J].水利水电科技进展,2015,35(4):39-43.
[7]宋晓猛,张建云,占车生,等.基于DEM的数字流域特征提取研究进展[J].地理科学进展,2013,32(1):31-40.
[8]刘福瑶,刘九夫,王欢.我国100km2以上河流数量惯用数据的溯源分析[J].科技信息,2013(10):485-486.
[9]王国安,李文家.水文设计成果合理性评价[M].郑州:黄河水利出版社,2002.
[10]王国安.可能最大暴雨和洪水计算原理和方法[M].郑州:黄河水利出版社,1999.