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지하수 내 질산성 질소 반응-이동 모델링을 위한 부지특이적 탈질화 계수 선정 방안에 대한 고찰
김상현,정재식,이승학,Kim, Sang Hyun,Chung, Jaeshik,Lee, Seunghak 한국지하수토양환경학회 2021 지하수토양환경 Vol.26 No.6
A simple and efficient scheme is presented that attempts to implement the site-specific denitrification rate in the reactive transport modeling for the nitrate in groundwater. A series of correlation analyses were conducted using 133 datasets obtained from different nitrate-contaminated sites to find the empirical relationships between denitrification rates and various subsurface properties. Based on Pearson's correlation analysis, the soil organic carbon concentrations showed a statistically significant correlation (r = 0.75, p < 0.05) with the denitrification rates. A linear regression was performed, which could be utilized to effectively determine the site-specific denitrification rate based on the soil organic carbon concentration of a site. The proposed method is expected to effectively replace the conventional methods which either were too complicated for practical application or impose large uncertainties that might end up with unreliable results.