This thesis aims to present Harmonious Discourse Analysis (HDA) and its application in CCTV documentary Amazing China. HDA is a new attempt embedded with Chinese characteristics. The theory was first proposed by Huang Guowen on the basis of reviewing and comparing western dominant approaches, and the necessity of localizing linguistic theory in a Chinese context, as well as the emphasis of developing ecolinguistics from a transdisciplinary perspective. Combined with ecological philosophy and linguistic theory, the analytical framework of HDA is designed as an integrative one. One the one hand, HDA places harmony at its core position, and the whole research is conducted under its general assumption (human-orientedness) and three principles (conscience, proximity and regulation). On the other hand, Systemic Functional Linguistics (henceafter SFL) is taken as the theoretical basis of HDA, and the language system also takes three variables of the register (field, tenor, mode) as the entry point of the research to analyze the ecological discourses. The transitivity analysis of documentary field exhibits the rationality of ecological behaviors guided by the conscience principle. The identity-status analysis of documentary tenor exhibits the authority of ecological discourses guided by the proximity principle. The word-sentence-paragraph analysis of documentary mode exhibits the effectiveness of publicity communication guided by the regulation principle. This thesis has realized its research values of exploration localization, data publicity, and image ecologicalization in the ecological discourses analysis of overseas publicity documentary. It is expected that this study can provide some necessary references for discourse analysis of overseas publicity documentaries in the future, and with wider application of HDA, the ecological consciousness will see its further development in our society, which also undoubtedly benefits ecological protection in various contexts.
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