A water environmental monitoring system based on a wireless sensor network is\r\nproposed. It consists of three parts: data monitoring nodes, data base station and remote\r\nmonitoring center. This system is suitable for the complex and large-scale water\r\nenvironment monitoring, such as for reservoirs, lakes, rivers, swamps, and shallow or deep\r\ngroundwaters. This paper is devoted to the explanation and illustration for our new water\r\nenvironment monitoring system design. The system had successfully accomplished the\r\nonline auto-monitoring of the water temperature and pH value environment of an artificial\r\nlake. The system''s measurement capacity ranges from 0 to 80 �°C for water temperature,\r\nwith an accuracy of �±0.5 �°C; from 0 to 14 on pH value, with an accuracy of �±0.05 pH\r\nunits. Sensors applicable to different water quality scenarios should be installed at the\r\nnodes to meet the monitoring demands for a variety of water environments and to obtain\r\ndifferent parameters. The monitoring system thus promises broad applicability prospects.
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