基于频率计算法的毕节市气象站降水量分析
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摘要
指出了随着经济和社会的快速发展,人类对水资源的需求越来越高,如何调配水资源、高效地利用水资源成为地区当下发展急待解决的关键问题,特别是在喀斯特这种特殊的地表水循环二元结构中,水资源的循环利用和保护更显得尤为重要。收集了毕节站1961～2015年降水数据,选用皮尔逊Ⅲ型理论曲线进行多年不同频率下降水的拟合,旨在得出经验频率曲线,拟合出了一条最优的毕节站降水频率理论拟合曲线。结果表明:■=888.37,Cv=0.15,Cs=1.5Cv。利用该条拟合曲线可计算出毕节地区不同频率条件下的降水量,能为该地区水资源利用提供依据及为相关水利部门管理水资源提供科学的指导。
As the source of life for all things, water resources are the basic conditions for human survival and social development, which play an important role in the natural environment and social environment. They are essential for maintaining the earth's ecosystem, recycling mechanism and supporting social and economic development. With the irreplaceable strategic resources, with the rapid development of economy and society, human beings have higher and higher demand for water resources. How to allocate water resources and use water resources efficiently has become a key issue for the current development of the region. Especially in the special dual structure of surface water circulation in karst, the recycling and protection of water resources is even more important. This paper collects the precipitation data from 1961 to 2015 in Bijie Station, and uses the Pearson Ⅲ theoretical curve to fit the water of different frequencies for many years. The purpose is to obtain the empirical frequency curve and fit an optimal Bijie station precipitation frequency theory. Curve. It is concluded that: =888.37, Cv = 0.15, Cs = 1.5 Cv. The fitting curve can be used to calculate the precipitation under different frequency conditions in Bijie area, which can provide a basis for water resources utilization in the region and provide scientific guidance for the relevant water conservancy departments to manage water resources.
As the source of life for all things, water resources are the basic conditions for human survival and social development, which play an important role in the natural environment and social environment. They are essential for maintaining the earth's ecosystem, recycling mechanism and supporting social and economic development. With the irreplaceable strategic resources, with the rapid development of economy and society, human beings have higher and higher demand for water resources. How to allocate water resources and use water resources efficiently has become a key issue for the current development of the region. Especially in the special dual structure of surface water circulation in karst, the recycling and protection of water resources is even more important. This paper collects the precipitation data from 1961 to 2015 in Bijie Station, and uses the Pearson Ⅲ theoretical curve to fit the water of different frequencies for many years. The purpose is to obtain the empirical frequency curve and fit an optimal Bijie station precipitation frequency theory. Curve. It is concluded that: =888.37, Cv = 0.15, Cs = 1.5 Cv. The fitting curve can be used to calculate the precipitation under different frequency conditions in Bijie area, which can provide a basis for water resources utilization in the region and provide scientific guidance for the relevant water conservancy departments to manage water resources.
引文
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[3]王梦依,高波.中国经济发展面临水危机[J].生态经济,2018,34(5):10～13.
[4]樊延.水资源视角下毕节市人口城镇化发展研究[D].贵阳:贵州大学,2017.
[5]李应桃,胡永松,陈翱章,等.毕节市暴雨环流系统分型[J].江西农业,2017(19):56～57.
[6]钟正杰.2006年毕节市暴雨分析[C]//贵州省毕节地区社会科学界联合会.2007乌蒙论坛论文集(一).毕节:贵州省毕节地区社会科学界联合会,2007:4.
[7]尚雷,敖建,聂巩华,等.T639对毕节市一次秋季暴雨过程的释用分析[J].贵州气象,2013,37(1):14～17.
[8]杨念华.毕节市2012年5月两次暴雨天气过程分析[C]//贵州省气象学会.贵州省气象学会2013年学术年会论文集.贵阳:贵州省科学技术协会,2013:9.
[9]李应桃,胡永松,陈翱章,等.毕节市暴雨时空分布特征分析[J].农技服务,2017,34(14):79～80.
[10]官冬杰,苏印,左太安,等.贵州省毕节市水资源生态承载力动态变化评价[J].重庆交通大学学报(自然科学版),2015,34(2):77～84.
[11]张凤太,张军以,苏维词.基于熵权和主成分分析的岩溶区水资源安全评价—以毕节为例[J].环境工程,2016,34(3):174～179.
[12]蒋文山,常近时.毕节市水资源的SWAT评价[J].毕节学院学报,2014,32(4):57～62.
[13]陈焰犊.毕节市七星关区近50a降水变化特征分析[C]//贵州省气象学会.贵州省气象学会2013年学术年会论文集.贵阳:贵州省科学技术协会,2013:7.
[14]袁建飞,邓国仕,徐芬,等.毕节市北部岩溶地下水水文地球化学特征[J].水文地质工程地质,2016,43(1):12～21.
[15]黎国胜,王颖.工程水文及水利计算[M].北京:水利水电出版社,1993.
[16]魏振军.概率论与数理统计[M].北京:中国铁道出版社,2008.
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