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COD Pollutants Load Estimation Schemes in Lake Shihwa and Incheon Coastal Zone  

Cho Hong-Yeon (Coastal and Harbor Engineering Research Lab., Korea Ocean R&D Institute)
Cho Bum-Jun (Coastal and Harbor Engineering Research Lab., Korea Ocean R&D Institute)
Publication Information
Journal of Korean Society of Coastal and Ocean Engineers / v.18, no.3, 2006 , pp. 262-267 More about this Journal
Abstract
For the concentration management in COD parameters, it requires the measurement and estimation of the COD pollutants load (hereinafter PL) in the watershed. The estimation method of the PL, however, is provided only based on the BOD parameters. The development of COD PL estimation schemes is expected to execute total PL management in coastal zone and needs to more observation and much time. This study provides COD PL estimation schemes using statistical information about ratio analysis with COD & BOD concentration of rivers and drainages of an industrial complex in Lake Shiwha and Incheon Coastal Zone watershed. The COD PL is computed with ease by multiplying the conversion factor, which is calculated as the sum of the average and 1 to 3 (safety factors) times standard deviation. The conversion factor of Lake Shihwa and Incheon Coastal Zone is estimated as 1.7, 2.3 and 2.9 with respect to the safety factor 1, 2, and 3, respectively.
Keywords
COD pollutants load; BOD pollutants load; BOD vs. COD ratio; conversion factor; safety factor;
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