佛罗里达造古岩溶的洞穴、陷坑和裂缝——基于gis的空间分析

IF 1 4区地球科学 Q4 GEOSCIENCES, MULTIDISCIPLINARY

Acta Carsologica Pub Date : 2022-12-08 DOI:10.3986/ac.v51i1.10454

C. Denizman

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引用次数: 1

摘要

通过比较美国佛罗里达州22个古成岩溶洞周围岩溶洼地的方向性和空间分布，探讨地表与地下岩溶发育的相关性。洞穴通道的朝向和洞穴中心线周围凹陷的主要轴线暗示了它们之间不同程度的相关性。利用ArcGIS的空间统计工具，通过陷坑质心的标准差椭圆和洞穴周围的近邻方位，研究了岩溶洼地的空间分布。综合分析资料发现，部分溶洞在方向和空间分布上与周围陷落孔有密切的联系，说明裂缝系统在岩溶发育中的重要性。

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Caves, sinkholes, and fractures in the eogenetic karst of Florida, a GIS-based spatial analysis

The correlation between surface and subsurface karst development was explored by comparing the directionality and spatial distribution of karstic depressions around twenty-two select caves in the eogenetic karst of Florida. Orientations of cave passages and major axes of depressions around cave centrelines imply varying degrees of correlation between them. Spatial distribution of karstic depressions was studied by standard deviational ellipses of sinkhole centroids and nearest neighbour orientations around caves using spatial statistics tools of ArcGIS. An overall analysis of the data shows close connections between some caves and the surrounding sinkholes in terms of their orientation and spatial distribution, suggesting the importance of fracture systems in the development of karst.

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来源期刊

Acta Carsologica 地学-地球科学综合

CiteScore

1.50

自引率

14.30%

发文量

审稿时长

>12 weeks

期刊介绍： Karst areas occupy 10-20 % of ice-free land. Dissolution of rock by natural waters has given rise to specific landscape and underground. Karst surface features and caves have attracted man''s curiosity since the dawn of humanity and have been a focus to scientific studies since more than half of millennia. Acta Carsologica publishes original research papers and reviews, letters, essays and reports covering topics related to specific of karst areas. These comprise, but are not limited to karst geology, hydrology, and geomorphology, speleology, hydrogeology, biospeleology and history of karst science.