广西七百弄国家地质公园高峰丛深洼地空间形态特征及其成因研究
投稿时间:2016-11-22  修订日期:2017-01-19  点此下载全文
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作者单位E-mail
许基伟 中国地质大学武汉公共管理学院 987082037@qq.com 
方世明 中国地质大学武汉公共管理学院  
黄荣华 广西大化七百弄国家地质公园管理局  
基金项目:国家自然科学基金项目(编号:41201574)和中央高校基本科研业务费专项资金摇篮计划项目(编号:CUG130417)联合资助。
中文摘要:广西七百弄国家地质公园内的高峰丛深洼地是最为典型的岩溶地貌景观。因其独特的地貌结构引起众多学者的研究。本文主要利用统计学的计量方法,选择洼地深度、洼底高程、峰顶高程及洼底面积来探讨峰丛洼地的空间形态特征及其相互之间的关系,并初步分析其形成原因,旨在通过分析高峰丛深洼地的空间形态特征凸显该地质遗迹资源的保护和利用价值,以促进七百弄国家地质公园的发展。研究结果表明:(1)地质公园内洼地深度大,深洼地数量多,较为稀缺典型。洼底面积小,形态种类多,具有极高的观赏价值;(2)洼底高程和洼地深度之间呈现反比关系,而洼底高程和峰顶高程、洼地深度和峰顶高程表现出正相关关系;(3)在气候、岩性、水文、构造运动等因素综合作用下形成了具有重要价值的高峰丛深洼地地质遗迹资源。其中,深洼地的形成与岩溶裂隙风化和地下河流坍塌作用有关。
中文关键词:七百弄  峰丛洼地  空间形态特征  成因  广西
 
The Study on Spatial Morphological Characteristics and Its Causes for Peak-cluster Depressions of Qibainong National Geopark in Guangxi
Abstract:The Peak Cluster and Depression located in Geological Park Guangxi Qibainong National are jointly recognized as the most typical karst geomorphologic landscape, and have been raised great concerns for the corresponding research among geological field. On the basis of the regulated depth, bottom elevation and base area of depression and the set elevation of high peak cluster, the spatial morphological characteristics of peak cluster and depression, together with the relations between different characteristics are discussed through applying statistics as the measurement method. Furthermore, the causes of peak cluster and depression are preliminarily analyzed. This paper is designed to reach the goal of highlight the significance for protecting and developing the geological remains of the area discussed hereof through analyzing the spatial morphological characteristics of high peak cluster and depression, as we seek to ultimately optimize the protection and development of Guangxi Qibainong National Geological Park. As the research results have shown, (1) the depression in Geological Park is in great depth, with large scale and is scarce typically; the depression enjoys high ornamental value for its smaller base area and various forms; (2) the bottom elevation and depth of depression are inversely related, yet the bottom elevation and elevation of high peak cluster are positively correlated, likewise the depth of depression and the elevation of high peak cluster are positively correlated; (3) the geological relics of Peak Cluster and Depression being valued significantly are formed due to the influence exerted by climate, lithology, hydrology, tectonic movement and other factors comprehensively. The formation of depression is affected by the weathering of karst crack and the collapse of subterranean river.
keywords:Qibainong  peak-cluster depressions  spatial morphological characteristics  causes  Guangxi
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