| 岩溶天生桥纵向分层旅游开发方式——以重庆黔江蒲花天生桥群为例 |
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| 关键词:longitudinal delamination mode of tourism development karst natural bridge Puhua natural bridge group Qianjiang in Chongqing |
| 基金项目:中国地质科学院岩溶地质研究所基本科研业务费项目“洞穴次生化学沉积物形态特征与地质背景耦合关系”(编号: 2009019) |
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| Longitudinal Tourism Development Delamination Mode of Karst Natural Bridge: A Case Study of Puhua Natural Bridge Group in Qianjiang, Chongqing |
| The natural bridges are classified into 4 types in this paper on the basis of their surrounding rocks (dissoluble rock or indissoluble rock), scale parameters (the height of bridge, the height and span of bridge arch), development characteristics of river valley under the bridge (perennial, seasonal river or enneri), and formation mechanism (at surface or underground ). A brief description is also made concerning the types, distribution patterns, scale parameters, characteristics of landscape combination and comparison of typical karst natural bridges discovered in China in recent years. With Qianjiang Puhua natural bridge group in Chongqing as an example, the authors preliminarily analyzed its formation mechanism, systematically evaluated its resource system, and generalized its resource characteristics as “one river, two bridges, three skylights” through a comparison with the tourist resources of Qianjiang area, Wuling Mountain area and other similar scenic areas. Its development theme is defined as “visiting underground river under natural bridge, walking overbridge above natural bridge, drifting riptide upper stream” on the basis of its characteristics and market conditions. The authors put forward its function layout of “1-2-1-3” structure, discussed the development of different function areas, posed 3 levels of tourism products, i.e., magistral, important and assorted product items, constructed 3 sight-seeing loop lines which connected underground and surface natural bridges, and designed lighting effects of triplicity of “river + human being + bridge”. Based on generalizing, comparing and analyzing the tourism development of the typical karst natural bridges in China, this paper brings forward the scheme for tourism development of karst natural bridges as the longitudinal delamination mode, and generalizes the mode into 3 layers, i.e., the mode of “sightseeing under natural bridge, protecting above natural bridge”, the mode of “sightseeing under and above natural bridge”, and the mode of “sightseeing above natural bridge, protecting under natural bridge”. |
| WEI Yue-long,CHEN Wei-hai.2012.Longitudinal Tourism Development Delamination Mode of Karst Natural Bridge: A Case Study of Puhua Natural Bridge Group in Qianjiang, Chongqing[J].Acta Geoscientica Sinica,33(1):98-110. |
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