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2016 Vol. 35, No. 4

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Perspectives on karst biogeochemistry
LI Qiang, JIN Zhen-jiang
2016, 35(4): 349-356. doi: 10.11932/karst20160401
Abstract PDF(1367KB) Cited By icon1607 icon985 icon12
Abstract:
In the karst process, the dissolution of the carbonate minerals, such as CaCO3 and CaMg(CO3)2, is essential in the presence of water and under a normal atmospheric temperature/pressure environment, involving the consumption of atmospheric CO2 into Ca2+/Mg2+ and the anion bicarbonate. Usually, the hy...
Stable carbon isotope fractionation (δ13C) of microalgae on CO2 assimilation
ZHAO Li-hua, WU Yan-you, XIE Teng-xiang, LI Hai-tao, ZHANG Kai-yan, HANG Hong-tao
2016, 35(4): 357-362. doi: 10.11932/karst20160402
Abstract PDF(1459KB) Cited By icon1467 icon703 icon8
Abstract:
A study on the stable carbon isotopic fractionation (δ13C) in the process of CO2 assimilation of microalgae is very significant to investigate the role of microalgae in estimate of potential carbon dioxide (CO2) sink. However, till now it is yet unknown how to measure the fractionation on CO2 assimi...
Computation of fracture water flow based on discrete fracture network model
WANG Jin-li, CHEN Xi, ZHANG Zhi-cai, KANG Jian-rong, GAO Man
2016, 35(4): 363-371. doi: 10.11932/karst20160403
Abstract PDF(2518KB) Cited By icon1564 icon992 icon28
Abstract:
Discrete fracture network (DFN) model is one of the most effective means to study the flow path and groundwater flow in a fractured rock aquifer. Based on statistical distributions of geometrical and hydraulic parameters of fractures, two-dimensional discrete fracture network is realized through usi...
Exploration of risk assessment method towards groundwater contamination in karst region: A case study in Disu underground river system basin
CUI Ya-feng, HE Jiang-tao, WANG Man-li, ZHAO Yue-kun, WANG Fei
2016, 35(4): 372-383. doi: 10.11932/karst20160404
Abstract PDF(6320KB) Cited By icon1677 icon787 icon21
Abstract:
Groundwater contamination risk assessment is of great significance in protecting, managing and reasonably utilizing karst groundwater. In this paper, various methods in regards with groundwater contamination risk assessment were comparatively reviewed. As a result, a new groundwater contamination ri...
Time lags variance of groundwater level response to precipitation of Jinan karst spring watershed in recent 50 years
QI Xiao-fan, WANG Yu-shan, YANG Li-zhi, LIU Zhong-ye, WANG Wei, LI Wen-peng
2016, 35(4): 384-393. doi: 10.11932/karst20160405
Abstract PDF(8397KB) Cited By icon1346 icon696 icon25
Abstract:
Recent 50 years, both groundwater level data and precipitation data were devided into several time periods in this paper. The time lags of groundwater levels to precipitation were quantitatively analyzed by using the method of cross wavelet analysis; and the relationships between the time lags and g...
The characteristics of karst cave ancient floodplain sediment and environment evolution: A case study in Shanwang cave
YANG Zhen-hua, LI Po, WU Ke-hua
2016, 35(4): 394-401. doi: 10.11932/karst20160406
Abstract PDF(3227KB) Cited By icon1455 icon841 icon5
Abstract:
To reveal the influence of karst cave sediments on the sedimentary environment and the sedimentary process, this study was conducted in the middle range of Shanwang cave, Guizhou, in conjuction with previous studies of the cave development and associated geological information of the area. The sedim...
Discoveries of Ailuropoda-Stegodon Fauna from Shuanghe Cave
GAO Zhan-dong, Jean Bottazzi, ZHAO Xin-nan, HE Wei, Eric Sanson, LI Po, CHENG Hai
2016, 35(4): 402-406. doi: 10.11932/karst20160407
Abstract PDF(1951KB) Cited By icon1508 icon672 icon7
Abstract:
In this paper, the status quo of Quaternary fauna fossils in Shuanghe Cave in the course of the previous expeditions and in Guizhou province was overviewed. Research on Quaternary fauna in the Shuanghe Cave in Suiyang County is still in its infancy, and reasons were discussed. In order to accelerate...
Characteristicts of geological heritages, adventure tourism and speleotherapy tourism of Hongguoshu area in Suiyang, Guizhou
LI You-wei, SHI Xiao-zhi, HE Wei, LI Po
2016, 35(4): 407-413. doi: 10.11932/karst20160408
Abstract PDF(2644KB) Cited By icon1384 icon655 icon13
Abstract:
For increasing the knowledge of Hongguoshu scenic area, as well as offering popular science for the adventure and speleotherapy in the other karst tourist areas, this paper studies the characteristics of geological heritages of Hongguoshu scenic area, with data derived from field survey and previous...
Analysis on the relationship between climatic and environmental factors in karst caves: An example from Zhijin Cave of Guizhou Province
YIN Chao, ZHOU Zhong-fa, CAO Ming-da, ZHANG Jie, ZHANG Qiang, ZHANG Shao-yun, PAN Yan-xi
2016, 35(4): 414-424. doi: 10.11932/karst20160409
Abstract PDF(6112KB) Cited By icon1326 icon634 icon12
Abstract:
Zhijin Cave as a tourist cave with a poorly closed environment connects with the outside via cave tunnel and many shafts and fractures. Due to the change of atmospheric environment and tourist volume fluctuation in summer and autumn, the CO2 concentration and humidity in the cave are usually higher ...
Characteristics of spatial temporal variation of air environment in tourism cave and its cause analysis: A case study of the Dafeng cave in Suiyang county, Guizhou Province
PAN Yan-xi, ZHOU Zhong-fa, LI Po, CAO Ming-da, ZHANG Shao-yun, YIN Chao, ZHANG Jie
2016, 35(4): 425-431. doi: 10.11932/karst20160410
Abstract PDF(5565KB) Cited By icon1708 icon693 icon20
Abstract:
This study is to explore the fact and causes of the spatial and temporal variation of air environment in the Dafeng cave. 10 monitoring points were set up along the horizontal tunnel of Dafeng cave; and CO2 concentration,temperature and relative humidity of each monitoring point had been continuousl...
Morphological comparison and analysis of the causes of pothole formation in karst cave: An example from Shuanghe Cave of Guizhou Province
ZHANG Jie, ZHOU Zhong-fa, LI Po, CAO Ming-da, YIN Chao, ZHANG Shao-yun, ZHANG Qiang
2016, 35(4): 432-438. doi: 10.11932/karst20160411
Abstract PDF(3503KB) Cited By icon1173 icon610 icon11
Abstract:
Shuanghe Cave is located in Wenquan town, 12 km west of Suiyang county, Guizhou Province. It is a multi-layer cave system, developed in the dolomite strata in the upper Cambrian Loushanguan group. The landscape of the area comprises peak-cluster depression, peak-cluster valley and peak-cluster canyo...
Effects of different land use and soil type on the migration of heavy metals in a pyrite smelting area
HONG Tao, XIE Yun-qiu, ZHAO Yi, Yang Li-chao
2016, 35(4): 439-445. doi: 10.11932/karst20160412
Abstract PDF(2227KB) Cited By icon1326 icon651 icon7
Abstract:
The objective of this work is to understand the impact of the Weihe pyrite smelting on the surrounding environment and migration of soil heavy metals due to different land uses and soil types. In total 12 surface soil samples and 28 deep soil samples on 4 profiles were collected from the cultivated ...
Study on the dynamic change of soil moisture in karst area：A case of Huaxi district in Guiyang City
YAN Meng-meng, ZHOU Zhou, WANG Ji, GU Xiao-ping, XIAO Jian-yong
2016, 35(4): 446-452. doi: 10.11932/karst20160413
Abstract PDF(4333KB) Cited By icon1417 icon654 icon31
Abstract:
Huaxi district is located in the south of Guiyang City in Guizhou Province. It bestrides an area between E106°27′-106°52′and N26°11′-26°34′, with a land area of 958.56 km2 and a population size of 4.9×105. Soils are predominated by yellow and lime soils. The area is characterized by humid subtropi...
The coupling relationship between sustainable use of land and harmonious development of ecological environment of Chongqing from 1999 to 2013
LUN Dan, ZHOU Wen-zuo, SU Wei-ci
2016, 35(4): 453-459. doi: 10.11932/karst20160414
Abstract PDF(1274KB) Cited By icon1156 icon645 icon7
Abstract:
A rational assessment of the coupling relationship between land use and ecological environment is the premise to ensure that the land resources can be sustainably utilized for the economic development in a region. Chongqing is partially situated in karst area with a vulnerable eco-environment where ...

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