ANALYSIS OF RUNOFF PATHWAYS AND FLOW CONTRIBUTIONS USING DEUTERIUM AND STREAM CHEMISTRY

被引：22

作者：

OGUNKOYA, OO ^{[1
]}

JENKINS, A ^{[1
]}

机构：

[1] INST HYDROL,WALLINGFORD OX10 8BB,OXON,ENGLAND

来源：

HYDROLOGICAL PROCESSES | 1991年 / 5卷 / 03期

关键词：

HYDROGRAPH SEPARATION; WATER CHEMISTRY; DEUTERIUM;

D O I：

10.1002/hyp.3360050307

中图分类号：

TV21 [水资源调查与水利规划];

学科分类号：

081501 ;

摘要：

The two-component hydrograph separation method has been used to investigate the sources of storm runoff at Allt a Mharcaidh during storms in October 1987, September 1988, and June 1989. Results show that for the September and October storms, more than 88 per cent of storm runoff was contributed by pre-event water and 54 per cent of the June storm runoff. Instantaneous contributions of pre-event water at the hydrograph peak vary from 91 per cent in September 1988 to 41 per cent in June 1989. Detailed examination of soil and borehole water, however, shows that these subcomponents of pre-event water do not always have similar chemistry and isotope concentrations. Therefore, information from the two-component separation method alone should not be used to infer processes or pathways, although some broad indications can be obtained through the additional use of soil water and groundwater chemistry.

引用

页码：271 / 282

页数：12

共 21 条

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