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2021 Vol. 40, No. 2

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Three-Mechanism Theory (TMT) of karst ground collapse and its application
LUO Xiaojie, LUO Cheng
2021, 40(2): 171-188. doi: 10.11932/karst2021y001
Abstract PDF(2555KB) icon1817 icon259
Abstract:
In order to provide theoretical basis for the prediction，monitoring，prevention and emergency response of karst ground collapse，the development law of karst ground collapse is summarized. It is considered that the soil body，karst and inducing factors are the three elements leading to karst ground col...
Trend of water inrush at depth in the Puyang coal mine, karst basin area, southeastern Yunnan plateau
DUAN Qiaowen, WU Jiming, LENG Jicheng
2021, 40(2): 189-197. doi: 10.11932/karst20210201
Abstract PDF(2539KB) icon2055 icon213
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The Puyang coal mine, southeastern Yunnan lies in shallow Neogene strata of a fault-depression, encompassed by three kinds of hydrogeologic boundaries. The elevation of coal seams is lower than the outlet of an underground river by 100-230 m. Surroundings and basin basement all host karst aquifers, ...
Influence of the Datengxia reservoir on water inrusch amount of the Panlong lead-zinc mine in Guangxi
DENG Zhong, LIAO Peitao, QIN Pingliang, TANG Yongchen, KANG Zhiqiang
2021, 40(2): 198-204. doi: 10.11932/karst20210202
Abstract PDF(1627KB) icon1494 icon139
Abstract:
Water inrush is one of the most threatening natural hazard in mining， of which karst water is the most common. The Datengxia Dam has raised the surface water level of the Qianjiang River near the Panlong lead-zinc mine. In addition， with mining further toward the deep subsurface， the value of mine w...
Distribution and genesis of karst collapse in Shandong Province
FENG Yawei
2021, 40(2): 205-214. doi: 10.11932/karst2021y01
Abstract PDF(3184KB) icon2236 icon233
Abstract:
As a major economic and cultural province in China, Shandong Province has developed rapidly in recent years. Human activities have made a great impact on the geological environment, especially in the karst areas. The main karst geological hazards include karst collapse, groundwater pollution and spr...
Assessment of susceptibility to karst collapse in the Qixia Zhongqiao district of Yantai based on fuzzy comprehensive method
ZHANG Jie, BI Pan, WEI Aihua, TAO Zhibing, ZHU Huichao
2021, 40(2): 215-220. doi: 10.11932/karst2021y07
Abstract PDF(1360KB) icon1783 icon193
Abstract:
This work builds on investigations of geology and the conditions of karst collapse of the Qixia Zhongqiao District of Yantai. A hierarchical index system is established using 5 evaluation factors including karst development， structure， overburden bed， hydrogeology and human activities. In order to i...
Distribution and influence factors of sinkholes in the Chenzhou area, Hunan Province
PAN Zongyuan, CHEN Xuejun, YANG Xin, SONG Yu, ZHANG Minzhi
2021, 40(2): 221-229. doi: 10.11932/karst20210203
Abstract PDF(2617KB) icon1966 icon191
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The Chenzhou area is characterized by widely distributed carbonate rocks and thin overburden soil. The sinkholes occur frequently due to long-term dewatering of mines. Based on geological investigations, this paper analyzes the distribution and influencing factors of sinkholes in this area. Results ...
Cause and law of karst collapse in the urban complex environment:An example of Beihuanxincun, Guigang City
QIN Jianwen, SONG Guangxiao, PAN Guangming
2021, 40(2): 230-237. doi: 10.11932/karst2020y51
Abstract PDF(2641KB) icon1985 icon167
Abstract:
In karst areas， ground collapse is a common geological hazard， which poses a great threat to the safety of infrastructure and people's lives and properties. Taking Beihuanxincun， Guigang city as an example， this paper studies the cause of the karst collapse and the law of its hazard by using the met...
Experimental study of gas tracer simulation of karst collapse development process: An example of Jinshazhou, Guangzhou
LI Zhuojun, MENG Yan, DONG Zhiming, JIA Long, PAN Zongyuan, GUAN Zhende, ZHOU Fubiao
2021, 40(2): 238-245. doi: 10.11932/karst2021y18
Abstract PDF(2562KB) icon1924 icon162
Abstract:
Karst collapse is one of main geological hazards in karst areas in China， which can be generally divided into two types： sinkhole and karst collapse. Sinkhole is widely distributed and numerous， and how to monitor them and make an early warning is a focused issue. The primary characteristic of sinkh...
Triggering factors and prevention-control countermeasures of karst collapses caused by tunnel construction in the Zhongliangshan area, Chongqing
WU Yuanbin, YIN Renchao, LEI Mingtang, DAI Jianling, JIA Long, PAN Zongyuan, MA Xiao, ZHOU Fubiao
2021, 40(2): 246-252. doi: 10.11932/karst20210204
Abstract PDF(1461KB) icon2180 icon272
Abstract:
The Zhongliangshan area is a natural barrier of the east-west traffic channel in Chongqing, that seriously hinders urban economic development. The tunnel traffic can quickly cross fold mountain areas. However, tunnel construction often induces serious karst collapse, failure of underground aquifers ...
Karst hydrogeological problems in the route selection of Yuanguping tunnel
LUO Wei, WU Huaying, HU Huihua, MA Deqing, ZHANG Peng, LI Zhenxing
2021, 40(2): 253-263. doi: 10.11932/karst20210205
Abstract PDF(2393KB) icon2359 icon183
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Avoiding high-risk areas of gushing water and mud is the basic principal for karst tunnel selection. The Yuanguping tunnel is a typical long and deep karst tunnel,which passes through the area with strong karst development. There are some important factors affecting the safty of tunnel construction,...
Comparative study on microbial deposition of travertine in Huanglong scenic area and Yellowstone National Park
DONG Faqin, DAI Qunwei, RAO Hanyun, WANG Fudong, ZHAO Xueqin, JIANG Zhongcheng, ZHANG Qiang, LI Bowen, Alexander I.Malov, Enrico Capezzuoli, Augusto Auler
2021, 40(2): 264-272. doi: 10.11932/karst20210206
Abstract PDF(1333KB) icon1666 icon184
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This paper analyzes the environmental geological characteristics and microbial community of the water body in Huanglong scenic area. By comparing relevant studies in Yellowstone National Park， the effects of microbial communities on travertine deposition in two special geographical environments were...
Genetic mechanism of geothermal resources in the Gaoyang geothermal field and adjacent areas
MAO Xiang, WANG Xinwei, GUO Shiyan, Bao Zhidong
2021, 40(2): 273-280. doi: 10.11932/karst20210207
Abstract PDF(1579KB) icon1515 icon186
Abstract:
As a green and renewable energy，geothermal energy plays an important role in solving the haze prob?lem northern China. Gaoyang geothermal field，near the Xiong’an New Area，is rich in geothermal resources. It is located in the Jizhong depression of the Bohai Bay basin，hosts strata of Jixian System and...
Hydrochemical characteristics and composite genesis of a geothermal spring in Ganlanhe, Changning, Yunnan Province
PAN Ming, HAO Yanzhen, Lyu Yong, LI Bo
2021, 40(2): 281-289. doi: 10.11932/karst20210208
Abstract PDF(2760KB) icon1832 icon151
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This paper presents an analysis of lithology and structural characteristics of cap rock and the thermal reservoir of the Ganlanhe hot spring. It covers hydrochemical types， recharge mechanism， thermal reservoir characteristics and mixing mechanism of hot and cold water. The analysis is based on hydr...
Hydrochemistry and genesis of the Honghegu hot spring in Mile, Yunnan Pronince
BAI Yupeng, Li Bo, Yu Shiyong, Zhang Qu, Wang Bin, Zhao Hongyu
2021, 40(2): 290-297. doi: 10.11932/karst2021y15
Abstract PDF(2066KB) icon2011 icon224
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The purpose of this work was to clarify the genesis of Honghegu hot spring in Mile， Yunnan and the influence of exploitation of drilling hot water on the spring， providing a reasonable basis for the development of hot water resources in this area. Hydrochemical analysis and isotopic tests were perfo...
Hydrogeochemical characteristics of geothermal water in Hunan Province
CHANG Haibin, XIAO Jiang, PI Jing
2021, 40(2): 298-309. doi: 10.11932/karst20210213
Abstract PDF(2968KB) icon1846 icon150
Abstract:
Hunan Province hosts abundant geothermal water resources，while little research of hydrochemistry on them has been made. research is not thorough. The purpose of this work is to analyze the occurrence of geothermal water in Hunan Province，estimate the temperature of the heat storage in the study area...
Hydrochemical evolution of karst geothermal water in the Heze uplift geothermal field, Shandong Province
SHI Qipeng, SONG Shuailiang, MENG Jia, ZHENG Huiming
2021, 40(2): 310-318. doi: 10.11932/karst20210209
Abstract PDF(3821KB) icon1661 icon183
Abstract:
The Heze uplift geothermal field is located in the tectonic unit of the buried uplift, Heze-Yanzhou buried fault uplift, Heze buried uplift, with a total area 6，330 km2. It hosts Ordovician crack karst thermal reservoirs of layering zone-like shape, with water yield of 80-402 m3.h-1 in single wells,...
Analysis of regional catchment index based on GIS: An example of the Chaotian river basin
XU Rui, LI Jian, WEN Jianhui
2021, 40(2): 319-324. doi: 10.11932/karst202102y19
Abstract PDF(1397KB) icon1659 icon120
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In order to evaluate the catchment situation more effectively，a comprehensive catchment index evaluation model based on grid was constructed by remote sensing（RS） and geographic information system（GIS）for the Chaotian River basis. It took topographic index，surface index and vegetation index as main ...
Dynamic characteristics and equilibrium of water level of the karst groundwater system beneath the Huixian wetland
ZHAO Yi, ZOU Shengzhang, SHEN Haoyong, ZHOU Changsong, FAN Lianjie, ZHU Danni, LI Jun
2021, 40(2): 325-333. doi: 10.11932/karst2021y19
Abstract PDF(1643KB) icon1784 icon186
Abstract:
The Huixian wetland is the largest karst wetland in China. In the past half century, due to the unreasonable development and utilization of human beings, the water area of this wetland has shrunk severely. Research on groundwater dynamics and water balance in the Huixian wetland is of great signific...
Landscape classification in karst areas based on DEM：A case study of 1∶50,000 pilot geological mapping of karst areas in southwestern China
SHAN Keqiang
2021, 40(2): 334-345. doi: 10.11932/karst20210210
Abstract PDF(6928KB) icon1439 icon148
Abstract:
Digital elevation model（DEM）can quantitatively describe landforms. While the statistic approach of karst entities based on peck-cluster depression has not been established yet. Based on 1:50,000 digital topographic maps of Dawan，Muxiang，Yanzikou and Zhuzhong in the Wumengshan mountains, this work bu...
Effects of land-use patterns on soil aggregate stability and organic carbon in rocky desertification areas
CHEN Hai, ZHU Dayun, CHEN Hu
2021, 40(2): 346-354. doi: 10.11932/karst20210211
Abstract PDF(1678KB) icon1580 icon136
Abstract:
The Salaxi town of Bijie City, Guizhou Province is a representative karst mountainous demonstration district, where the karst accounts for 74.25% of the entire area. The exposed rocks are dominated by limestone, limestone and sand shale, with widespread potential and mild rocky desertification. This...
Distribution characteristics of rural settlement on different lithology in karst area：A case study of Pingguo City
LI Xiaoqing, YANG Qianni, ZHOU Kaichun, LUO Weiqun
2021, 40(2): 355-362. doi: 10.11932/karst20210212
Abstract PDF(1789KB) icon1479 icon135
Abstract:
Located in Baise City， Guangxi Zhuang Autonomous Region， Pingguo City has high terrain in the north and low terrain in the south， with low mountains and hills in the north and south， and karst landform in the middle.The karst landform area of the city accounts for 61.67% of the total area， which is ...

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