For the purposes of establishment of foresight techniques of red tide in coastal sea area and of clarification of the mechanism of red tide, studies on the development of automatic measuring techni ques of such substances as nitrogen, phosphorus and organic substances in sea water have been carried out.
Developments of new measuring methods and automatic measuring apparatus of these eutrophic substances and of an automatic measuring station were studied.
In this first part of the series of our reports, purpose of the studies, new measuring methods and automatic measuring apparatus of nitrogen and phosphorus are reported.
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