The rural groundwater monitoring system has been managed by Korea Rural CommunityCorporation (KRC) since 1998. There are two kinds of subsystems in it: the rural groundwatermanagement subsystem (RGM) and the seawater intrusion monitoring subsystem (SIM). RGMhas been operated to promote a sound and sustainable development of rural groundwaterwithin the concerned area for groundwater quality and quantity. SIM has operated to protecthazard to the plants by usage of the saline water in coastal areas in which the shortage offresh water for irrigation is a major problem for agriculture. Currently, a total of 283 monitoringwells have been placed; 147 wells in 79 municipalities for RGMS and 136 wells in 52 onesfor SIM, respectively. Two subsystems commonly monitor three hydrophysical properties(level, temperature, and electrical conductivity) on an hourly basis every day. Generally,RGM simultaneously collects three properties using one multisensor per one well. SIMseparately collects these ones using three discrete sensors, e.g. one sensor for level andtwo multisensors for temperature and electric conductivity, per one well. For SIM, one levelsensor is placed above a transition zone. Two multisensors are designated to be placedonto and below transition zone, respectively. Monitored data are automatically transferred tothe management center located in KRC. Data are opened to the public throughout websitenamed to be the Rural Groundwater Net (www.groundwater.or.kr). Annual reports involvingwell logging and hydrochemical data of RGM and SIM have been published and distributed tothe rural water management offi ce of each municipality. In addition, anyone interested aboutRGM an SIM can freely download these reports throughout the Rural Groundwater Net also.
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