| Yunnan-Vietnam Railway was constructed in 1901 and opened to traffic in 1910.The route runs from Kunming to Hekou to Hanoi,Vietnam to Haiphong,and from the Yunnan-Guizhou Plateau to the sea.It is a century-old international narrow-gauge railway with a gauge of 1m and still in operation now a days.At the beginning of the20 th century,it was called "three wonders of the world" and "three plateau Railways of the world".Yunnan Province plans to apply for World Heritage with "Yunnan-Vietnam Railway in cultural and natural landscape".According to the Operation Guide for the Implementation of the World Heritage Convention(hereinafter referred to as the "operation guide"),the natural landscape dominated by Geoheritage is a very important part of the heritage elements composition system.In this thesis,Honghe section,the most representative and typical section of Yunnan-Vietnam Railway,which is the core and classic section of the World Heritage Application,is selected as the research object to complete the investigation of natural geographical characteristics and geoheritage characteristics along the line.According to the operational guidelines and the geoheritage survey specification in our country,based on the geoheritage survey and evaluation method,the principle of tourism study,using literature research and field survey,remote sensing,thematic mapping based on Arc GIS database of geological remains,analytic hierarchy process(AHP),Delphi method,expert investigation method to a variety of technical means such as targeted to carry out the geoheritage survey and evaluation of landscape specific research work.Through the above analysis and research,the main understanding and achievements of this thesis are as follows:(1)The 152 geological relics were investigated,and the classification scheme in the Ministry of Land and Resources [2016] No.83 was used to divide them into 7categories,15 categories and 18 subcategories,and their scale,form,material composition,geological background,and spatial distribution Research on characteristics has been carried out.(2)The geoheritage in the study area are dominated by flowing water landform,rock landform and structural landform landscape,which are distributed in spatial clusters.From north to south,the study area is divided into Nan Panjiang Canyon,Mengzi Bise Village and Nan Xihe Canyon landscape area.(3)From scientific value,aesthetic value,popular science value and tourism development value,this paper makes qualitative and comprehensive quantitative evaluation on the geoheritage landscape of Honghe section of Yunnan-Vietnam Railway,establishes the evaluation system of geoheritage landscape,and obtains the evaluation results: 3 world-class,12 national,17 provincial and 11 below provincial.(4)The geoheritage landscape resources of Honghe section of Yunnan-Vietnam Railway are characterized by rich types,large quantities,concentrated distribution,strong typicality and high value grade.It is the most concentrated and complete section of the line cultural heritage in China and even in the world.(5)It has been able to provide support materials for the Dian-Vietnam railway application,and provide theoretical basis and data support for the spread of opinions of domestic and foreign scholars that "the Nan Xihe Canyon section is majestic and comparable to the Alps". |
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