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Design Methods and Capacity Analysis of Artificial Circulation Systems in Korean Reservoirs  

Seo, Dong-Il (충남대학교 환경공학과)
Seog, Kwan-Soo (한국수자원공사)
Lee, Byung-Doo (한국수자원공사)
Jeong, Sang-Gi (한국수자원공사)
Publication Information
Journal of Korean Society of Water and Wastewater / v.18, no.3, 2004 , pp. 366-376 More about this Journal
Abstract
Use of artificial circulation system has become popular in Korean reservoirs to control algal blooms and subsequent color, taste and odor problems in drinking water. It was found that the most of aeration system in Korean reservoirs are under-designed compared to existing installations in US and Australia. This was especially true for larger reservoirs greater than $5{\times}10^7m^3$ in volume since it is common to install the system in the vicinity of intake areas only. Consequently, successful cases of artificial circulation systems operations are limited to few small reservoirs less than $1{\times}10^7m^3$. It is suggested that the design methods need to be developed considering physical characteristics and water quality kinetics inside of reservoirs. Also operation methods of artificial circulation systems need to be established considering the water quality dynamics, stratification and morphological characteristics of reservoirs. Finally, it is suggested to maintain comprehensive and long term monitoring programs to validate the application of artificial circulation system in reservoirs.
Keywords
artificial circulation; stratification; drinking water reservoirs; algal blooms; eutrophication;
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