长江大通站径流量的丰平枯水年划分探讨

doi:10.11988/ckyyb.20170533

院报 ›› 2018, Vol. 35 ›› Issue (6): 19-23.DOI: 10.11988/ckyyb.20170533

长江大通站径流量的丰平枯水年划分探讨

徐宇程¹,朱首贤¹,张文静²,周林²

1.河海大学海洋学院,南京 210098;
2. 解放军理工大学气象海洋学院,南京 211101

收稿日期:2017-05-10 修回日期:2017-07-27 出版日期:2018-06-01 发布日期:2018-06-16
通讯作者: 朱首贤(1972-),男,湖北罗田人,副教授,博士,主要从事海洋动力学、卫星遥感方面的研究。E-mail:zhushouxian@vip.sina.com
作者简介:徐宇程(1993-),女,江苏如皋人,硕士研究生,主要从事海洋动力学方面的研究。E-mail:yucheng_xu@hhu.edu.cn
基金资助:
国家自然科学基金项目(40906044,41076048);中央高校基本科研业务费项目(2011B05714,2014B06514)

Classification of High/Medium/Low Flow Year of the Yangtze River According to Runoff at Datong Station

XU Yu-cheng¹, ZHU Shou-xian¹, ZHANG Wen-jing², ZHOU Lin²

1.College of Oceanography, Hohai University, Nanjing 210098, China;
2.College of Meteorology and Oceanography, PLA University of Science and Technology, Nanjing 211101, China

Received:2017-05-10 Revised:2017-07-27 Online:2018-06-01 Published:2018-06-16

摘要/Abstract

摘要： 河流和河口水文研究一般都采用年平均径流量划分丰平枯水年。根据长江口枯季盐水入侵研究对径流量划分的需要,探讨了以大通站的年平均、洪季平均、枯季平均、枯季月平均径流量划分丰平枯水年类型的差异。结果表明洪季平均和年平均径流量划分的丰平枯水年类型吻合度达74%,但是枯季平均和年平均径流量划分的丰平枯水年类型吻合度仅38%,枯季各月平均与年平均径流量划分的丰平枯水年类型吻合度平均为33%。对于长江口的各种研究来说,采用多种径流量指标划分丰平枯水等级是很有必要的。

关键词: 径流量, 长江, 大通站, 丰平枯水类型, 划分指标

Abstract: In hydrological studies of river and estuary, high/medium/low flow year is generally classified according to annual average runoff. In response to the need of runoff classification in dry season, especially during saltwater intrusion in the Yangtze River Estuary, we examined the differences in classification results of high/medium/low flow year according to annual average runoff, flood-season average runoff, dry-season average runoff, and monthly average runoff in dry season. The classification results according to flood-season average runoff and annual average runoff coincide to a degree reaching 74%, while the results according to dry-season average runoff and annual average runoff coincide with only 38%, and the mean coincidence degree between monthly average runoff in dry season and annual average is 33%. The results suggest that multiple runoff indicators are indispensible for the classification of high/medium/low flow year in various researches on the Yangtze River Estuary.

Key words: runoff, Yangtze River, Datong station, high/medium/low flow year, classification indicators

中图分类号:

P714

徐宇程,朱首贤,张文静,周林. 长江大通站径流量的丰平枯水年划分探讨[J]. 院报, 2018, 35(6): 19-23.

XU Yu-cheng, ZHU Shou-xian, ZHANG Wen-jing, ZHOU Lin. Classification of High/Medium/Low Flow Year of the Yangtze River According to Runoff at Datong Station[J]. JOURNAL OF YANGTZE RIVER SCIENTIFIC RESEARCH INSTI, 2018, 35(6): 19-23.

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长江大通站径流量的丰平枯水年划分探讨

Classification of High/Medium/Low Flow Year of the Yangtze River According to Runoff at Datong Station

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