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- Title
Appropriate determination method of removal efficiency for nonpoint source best management practices.
- Authors
Soyoung Lee; Maniquiz, Marla C.; Lee-Hyung Kim
- Abstract
In Korea, best management practice (BMP) pilot facilities were installed to manage nonpoint source (NPS) pollution from the watershed areas. These BMPs are consistently monitored to determine the accurate pollutant removal efficiencies. However, the difficulty of removal efficiency determination in NPS BMPs is generally caused by uncertainties of site and storm characteristics. For that reason, removal efficiency determination has to apply appropriate method to eliminate uncertainties. In this study, the monitoring program was performed during 3 years in order to verify the efficiency of the infiltration trench during storm events. The pollutant removal efficiency was determined by four different methods namely the efficiency ratio (ER), summation of loads (SOL), regression of loads (ROL) and rainfall of frequency (ROF) methods. In comparison to other methods, the ROF method uses the rainfall frequency which is practical to eliminate uncertainties of NPS. Therefore, the ROF method is suggested as the appropriate method to determine the removal efficiencies and optimum among the four methods.
- Subjects
SOUTH Korea; BEST management practices (Pollution prevention); NONPOINT source pollution; WATERSHEDS; REGRESSION analysis; PREVENTION
- Publication
Desalination & Water Treatment, 2012, Vol 48, Issue 1-3, p138
- ISSN
1944-3994
- Publication type
Article
- DOI
10.1080/19443994.2012.698805