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Environ Pollut. 2018 Oct;241:576-585. doi: 10.1016/j.envpol.2018.05.097. Epub 2018 Jun 4.

A framework to determine the locations of the environmental monitoring in an estuary of the Yellow Sea.

Author information

1
Department of Civil and Environmental Engineering, Seoul National University, Republic of Korea.
2
Institute of Engineering Research, Seoul National University, Republic of Korea. Electronic address: jinhwang@snu.ac.kr.
3
Geosystem Research Corp, Gunpo, Republic of Korea.
4
Water and Eco-Bio Corporation, Kunsan National University, Kunsan, Republic of Korea.

Abstract

The characteristics of an estuary are determined by various factors as like as tide, wave, river discharge, etc. which also control the water quality of the estuary. Therefore, detecting the changes of characteristics is critical in managing the environmental qualities and pollution and so the locations of monitoring should be selected carefully. The present study proposes a framework to deploy the monitoring systems based on a graphical method of the spatial and temporal optimizations. With the well-validated numerical simulation results, the monitoring locations are determined to capture the changes of water qualities and pollutants depending on the variations of tide, current and freshwater discharge. The deployment strategy to find the appropriate monitoring locations is designed with the constrained optimization method, which finds solutions by constraining the objective function into the feasible regions. The objective and constrained functions are constructed with the interpolation technique such as objective analysis. Even with the smaller number of the monitoring locations, the present method performs well equivalently to the arbitrarily and evenly deployed monitoring system.

PMID:
29885628
DOI:
10.1016/j.envpol.2018.05.097
[Indexed for MEDLINE]

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