Abstract
Based on the survey data of Jiaozhou Bay waters in May, September and October 1993, this paper studies the surface horizontal distribution of PHC content in Jiaozhou Bay waters. According to the definition, model and classification of Yang Dongfang homogeneity theory of matter content in waters proposed by the author, the calculation results show that in May, in the waters of Jiaozhou Bay, the non-homogeneous column of PHC content was 46.86μg/L, and the homogeneity of PHC content was 8.15%. At this time, the PHC content had non-homogeneity; in September, the non-homogeneous column of PHC content was 6.53μg/L, and the homogeneous was 48.58%, on which the PHC content had a low degree of homogeneity; in October, the non-homogeneous column of PHC content was 0.40μg/L, and the homogeneity was 96.61%, on which the PHC content had a high degree of homogeneity. This shows that in May, in the entire waters of Jiaozhou Bay, there was the only source of marine oil spill transportation, and the PHC content transported was 51.00μg/L, which was relatively high, resulting that the PHC content was unevenly distributed in the entire water body in the bay. In September, in the entire waters of Jiaozhou Bay, there was only the source of marine oil spill transportation, and its PHC content was 12.70μg/L, which was relatively low. In this way, the distribution of PHC content in the entire water body was lowly homogeneous. In October, there was no source of PHC content in the bay, and the PHC content was relatively low. In this way, the distribution of PHC content in the entire water body was highly homogeneous. From May to September, the monthly decline rate of the PHC content from marine oil spill was 9.57μg/L, the monthly decline rate of the non-homogeneous column of PHC content was 10.08μg/L, and the monthly increase rate of the homogeneity of PHC content was 10.10%. From September to October, the monthly decline rate of the PHC content of marine oil spill was 12.70μg/L, the monthly decline rate of the non-homogeneous column of PHC content was 6.13μg/L, and the monthly increase rate of the homogeneity of PHC content was 48.03%. This fully reveals that the PHC content of marine oil spill is the driving force of its non-homogeneity in the water area, while the ocean tides and currents are the driving force of its homogeneity in the water area. Based on this, the author puts forward the theory of homogeneous distribution of material content: under the action of ocean tides and currents, the ocean has the characteristics of homogeneity, and the distribution of material content in the ocean water body shows homogeneity.
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