| The Yibin and Luzhou of SiChuan Province are prefectures which are closely connected and most of the administrative regions have experienced separation and mergence since the ancient times. The phonological structures of their dialects demonstrate much consistency as well. In The division draft of the area of Southwest Mandarin by Xuezhen Huang, the Junlian county was designated as part of the branch of the Renfu of Guanchi area of Southwest Mandarin, other counties were included in the branch of the Mingjiang area. We can see disparity within these commonness.This thesis will use the methods of historical comparative linguistics and geolinguistics and combine the principle of diachronic comparative linguistics and the synchronic comparative linguistics to present the relationship among the dialects of these areas through the theory of geolinguistics and in the form of map of dialects. At last, the author will integrate the history of migration and attempt to probe into the causes of the commonness and differences.The thesis is composed of six chapters. The first chapter is the introduction. It is the beginning part of the thesis. It starts with geographic survey of Yibin and Luzhou. Review the research production of Yibin and Luzhou and shows the research scope and materials of the thesis. The second chapter, the author will release the latest findings of phonological system of the five areas of Yibin, Junlian, Xingwen, Xuyong and Gulin and describe the value of phonemes. The third chapter, the author will make a horizontal comparison of phonetic system of Chengdu, Zigong, Yibin, Luzhou and so on. The fourth chapter, on the basis of comparison, the author will explore the drifting and contact of phonological structures of these areas. The fifth chapter, according to the data of the history of migration, the author will discuss the correlation between the migration and the commonness and differences of the dialects of these areas. The sixth chapter is the conclusion. |
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