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1982 Vol. 1, No. 2

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THE GEOMORPHOLOGICAL REGULARITIES OF KARST WATER OCCURENCES IN GUIZHOU PLATEAU
Yang Mingde
1982, 1(2): 81-91.
Abstract PDF(669KB) icon1778 icon678
Abstract:
The Guizhou Plateau is situated in the subtropical zone of southwest China.The Plateau has been uplifted strongly since the Quaternary period. Carbonate rocks are widely distributed and karst is well developed,forming typical features over the plateau. The conditions for karst water occurences are very complicated , controlled mainly by the evolution of local geomorphological , geological and climatical environments. The author has investigated the geomorphological regularities of karst wate...
SOLUTIONAL FEATURES OF LIMESTONE CAVES IN GUILIN AREA
Zhu Xuewen
1982, 1(2): 93-103.
Abstract PDF(2715KB) icon1918 icon713
Abstract:
In this paper the speleogens of limestone caves in the famous Guilin karst peak-forest area are discussed, and a classification proposed. The solutional patterns in the caves can be divided according to their morphologic characteristics into five basic types: orientational flow mark type, pocket type,trough and groove type,tubing type, and cave-wall protruding type. 37 terms of different features are listed. Preliminary study are made on their morphologic characteristics, distribution regularities, genesis,...
A PRELIMINARY STUDY ON THE SUBTERRANEAN STREAM SYSTEMS OF LUOTA AREA, HUNAN PROVINCE
Yu Haoran, Wu Yinke, He Weixin, Liu Haiqing
1982, 1(2): 105-117.
Abstract PDF(765KB) icon1598 icon718
Abstract:
The Luota Area in Northwestern part of Hunan Province is a synclinal confluence basin of bare karst. It has a special hydrogeological structure composed by several karstified aquifers which are connected, but in some cases separated each other by non-soluble beds ( Multi-aquifer). There are many subterranean streams totalling 51 in number of main streams and branches, and 82 km in length. It is typical to some extent for similar karst region. The fundamental characteristics of the subterranean strea...
RECESSION EQUATION AND ITS APPLICATION——CASE HISTORY OF LUOTA KARST BASIN
Huang Jingxi
1982, 1(2): 118-126.
Abstract PDF(495KB) icon1582 icon664
Abstract:
In this paper the Luota Karst Basin is taken as an example to verify the nonuniformity of karst water-bearing medium, and derive the recession equation of discharge as which can be used as a method to estimate the karst ground water resources. Based on the long-term observation of the water points in the studied area, analyses have been made on the recession of ground water flow, so as to elucidate some of the spatial characteristics of karst water occurrence, The method of recession analysi...
EVOLUTION OF PEAK CLUSTER-DEPRESSION IN GUILIN AREA AND MORPHOMETRIC MEASUREMENT
Zhu Dehau
1982, 1(2): 127-134.
Abstract PDF(533KB) icon1841 icon674
Abstract:
Developed in Guilin area are typical tropical karst landform of peak forests, which may be classified into two major types: peak cluster-depression type and peak forest-plain type. An attempt is made to carry out morphometric measurements and statistic analyses on one hundred and eighty-two polygonal karst depressions in a studied area of 69km2. The projecting area of each polygonal depression, and the elevations of the summit of each stone peak and the bottom of each closed depression are measured. All dep...
SOME CHARACTERISTICS OF KARST WATER IN NORTH CHINA
He Yubin
1982, 1(2): 135-142.
Abstract PDF(481KB) icon1715 icon719
Abstract:
In North China, karst features occur mainly in Hebei, Shanxi, South Liaoning, northern parts of Shandong and Henan, and Shanxi Provinces, extending to the north of the line from the Qingling mountain range to the Huaihe River. The terrain belongs to a semi-arid and semi-humid warm temperate zone. Karst is not well developed on the land surface, whereas underground is mostly developed in the forms of fissures and pores. The main water-bearing formations are Mid-Ordovician limestones, with copious groundwater...
DISCUSSION ON THE GENESIS OF THE LATERITE IN GUIXIAN, GUANGXI
Peng Datian, Zhao Xinye, Luo Zhonguo
1982, 1(2): 143-151.
Abstract PDF(500KB) icon1839 icon670
Abstract:
The genesis of laterite is still a controversial problem. According to the geological profile, grain size, minerals and chemical composition of the laterite in a studied area in Guixian, Guangxi, the authors consider that the laterite there belongs to the sedentary-slope wash deposition. The materials are originated from the underlying dolomite and limestone, with a considerable part from the neighbouring areas. The laterite is mainly formed by chemical weathering and can be defined as karst laterite accumu...
THE COINCIDENT SPECTRAL PLOT METHOD FOR SELECTING THE OPTIMAL REMOTE SENSING BANDS OF CARBONATE ROCKS
Shu Shourong
1982, 1(2): 152-157.
Abstract PDF(446KB) icon1694 icon579
Abstract:
The selection of the optimal remote sensing bands of carbonate rocks is an important problem in the remote sensing studies of karst geology. Although the statistical method is a strict mathematical method for selecting the optimal remote sensing bands, it is quite sophisticated in calculation and must be performed by means of electronic computer. Therefore, it is necessary to develop a supplementary method more simplier and effective when lacking of advanced computation equipment.The coincident spectral plo...
1982, 1(2): 159-162.
Abstract PDF(317KB) icon1671 icon618
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1982, 1(2): 163-166.
Abstract PDF(306KB) icon1600 icon667
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