[1]江介伦,杨翰宗,吕育轩,等.流速仪比较与林边溪流量量测[J].水土保持研究,2012,19(01):277-280.
　CHIANG Jie-lun,YANG Han-chung,LÜ,et al.Comparison and Application of Current Meters for River Discharge of Linpien River[J].Research of Soil and Water Conservation,2012,19(01):277-280.
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流速仪比较与林边溪流量量测

《水土保持研究》[ISSN:1005-3409/CN:61-1272/P] 卷: 19 期数: 2012年01期 页码: 277-280 栏目: 出版日期: 2012-02-20
Title:
Comparison and Application of Current Meters for River Discharge of Linpien River
作者:
江介伦1, 杨翰宗2, 吕育轩1, 吴佳颖1, 简志耿1
1. 屏东科技大学 水土保持系, 台湾 屏东 912;
2. 树德科技大学 休闲事业管理系, 台湾 高雄 824
Author(s):
CHIANG Jie-lun1, YANG Han-chung2, LÜ Yu-hsuan1, WU Chia-ying1, CHIEN Chih-keng1
1. Department of Soil and Water Conservation, National Pingtung University of Science and Technology, Pingdong, Taiwan 912, China;
2. Department of Leisure, Recreation and Tourism Management, Shu-Te University, Gaoxiong, Taiwan 824, China
关键词:
水力半径; 水力深度; 湿周; 流速仪
Keywords:
hydraulic radius; hydraulic depth; wetted perimeter; current meters
分类号:
P332.4;P716+.1
摘要:
该研究于屏东县来义乡林边溪上游，采用电磁式流速仪、旋杯式流速仪及超声波数位流速仪，进行河川流速量测，并比较三种仪器所实际量测获得数据差别及其实用性，在枯水期进行河川流量量测时水位较低，可利用一点法或两点法量测其流速，并以平均断面法计算出流量，在低水位时，旋杯式流速仪会因为水流速度太小使旋杯无法转动，因此在低水位时，可以电磁式流速仪或超声波数位流速仪进行流量量测。量测结果显示林边溪α值（R/D）约在0.911～1之间，而流量Q＜10 cm/s时，α值非常趋近于1，当流量Q>10 cm/s时，α值大约在0.91～0.96，流量Q>10 cm/s时，水面宽度T及水力深度D的改变量较大。
Abstract:
The study area is located in the upstream Linpien River in Laiyi Township, Pingtung County. Electromagnetic velocimeter (FP111), price type AA meter and acoustic digital current meter (ADC) are adopted to evaluate river velocity in this study. By comparing the acquired data from three instruments, the differences and applicability are discussed. During the dry season, the river level is low. One-point and two-point methods of stream gauging are used to evaluate the river velocity. Mean-section method is used to evaluate the river discharge. In the low river level, price type AA meter can’t operate in the low river level because of the low river velocity. Instead, FP111 or ACD is used to evaluate river velocity in the low river level. The results showed α (R/D) is between 0.911～1 and when river discharge is higher than 10 cm/s, the relationship between the Top Width and Hydraulic Depth changes more obviously.

参考文献/References:

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备注/Memo

收稿日期:2011-7-18;改回日期:2011-10-28。
作者简介:江介伦（1972- ），男，台湾嘉义人，博士，助理教授，主要研究方向为遥测水文及多尺度时空信息分析。E-mail：jlchiang@mail.npust.edu.tw

更新日期/Last Update: 1900-01-01