@article{oai:mie-u.repo.nii.ac.jp:00006285,
 author = {木本, 凱夫 and Kimoto, Yoshio},
 journal = {三重大學農學部學術報告 = The bulletin of the Faculty of Agriculture, Mie University},
 month = {Dec},
 note = {application/pdf, The utilization rate of a streamflow is, generally, defined by dividung the annual intake rate amount of a river by its annual out flow. This ratio gives the annual average utilization of a streamflow. 
Recently, rivers have large dams for irrigation, industry city, flood control and generation of electric power. Streamflow is stored in dams in the wet season and released from dams in the dry season. Thus, a streamflow is rarly equal a natural flow. 
This paper seeks to explain the seasonal fluctuation of the utilization ratio of a streamflow. Utilization ratio is redefined as follows in this paper: 
(The utilization ratio of a streamflow)=
(daily amount of intake rate)/(daily natural flow)+(daily storage)/(daily natural flow)
=(intake ratio)+(storage ratio) 
We can gain the amount of natural flow from the water balance of a river. 
Intake rate and storage are recorded by the bam management offices. 
Five days' average utilization ratio of Yahagi river, in Aichi Pref., is calculated and illustrated by this definition. Then, the rate of natural streamflow is not enough to fill the amount of water-demand in summer.},
 pages = {39--49},
 title = {取水・貯留変動を考慮した河川利用率},
 volume = {61},
 year = {1980}
}