Results 41 to 50 of about 61,397 (146)

Study on the delimitation of affected zone of geological environment for karst underground engineering：taking Longgang district, Shenzhen City as an example

Carsologica Sinica, 2022
The construction of a large number of urban underground rail transit and urban renewal projects has intensified the urban karst geological disasters in our country.
Shengtang WU, Xiaozhen JIANG, Xiao MA, Zhen TANG   +3 more
doaj   +1 more source

Study on spatiotemporal evolution of rocky desertification in the pilot zone for sustainable development: A case study of Gongcheng county

Carsologica Sinica
The karst area in Southwest China is an important region for the implementation of sustainable development strategies in China, as well as an area with extremely fragile ecological environment and concentrated distribution of rocky desertification. As a "
Chun TU, Weiqun LUO, Zhongcheng JIANG, Shaohua LIU, Zhaoxin HU, Qingjia TANG, Zeyan WU, Biao ZHANG   +7 more
doaj   +1 more source

Characteristics and cause of spatial and temporal variability of karst groundwater level's response to rainfall—a case study of Zengpiyan cave site in Guilin, Guangxi, China

Shui kexue jinzhan, 2019
The response of karst groundwater level to rainfall features spatial and temporal variability. There is no consensus regarding the groundwater dynamic system structure of the Zengpiyan cave site in Guilin,Guangxi,China.
WANG Penghui, JIANG Guanghui, YUAN Daoxian, TANG Qingjia, ZHANG Qiang   +4 more
doaj   +1 more source

The complete mitochondrial genome of Parathailocyba orla (Hemiptera: Cicadellidae: Typhlocybinae)

Mitochondrial DNA. Part B. Resources, 2020
The complete mitochondrial genome of the leafhopper Parathailocyba orla (Dworakowska, ) was sequenced and annotated in this study. The mitochondrial genome is 15,382 bp long, and nucleotide composition of the whole mitogenome is highly A + T biased (A ...
Jia Jiang, Xiaowei Yuan, Zhouwei Yuan, Yuehua Song   +3 more
doaj   +1 more source

Carbon and oxygen isotopic characteristics of karst fracture-cavity fillings and environmental significance: A case study of Ordovician Yingshan Formation in Tahe oilfield

Carsologica Sinica, 2023
Karst fracture-cavity of Ordovician Yingshan Formation is the main carbonate reservoir in Tahe oilfield. The development of karst fracture-cavity shows strong heterogeneity.
Hongqi DONG, Qingyu ZHANG, Jiapeng LIANG, Bin LIANG, Jingrui LI, Yong DAN, Guoquan NIE, Shaocong JI   +7 more
doaj   +1 more source

CO2 and speleogenesis: suggestions from hypogene karst of Italy [PDF]

, 2015
The CO2 driving the main karst processes needs to be considerate from different sources. The carbon dioxide produced in the soil and dissolved in the percolation water is considered as the main agent for karstification in the carbonate rocks.
MENICHETTI, MARCO
core   +1 more source

Characteristics, source analysis, and health risk assessments of heavy metals for karst water in Shentou spring area, northern China

Scientific Reports
To identify the contamination characteristics and health risks of heavy metals in karst groundwater systems in northern China, the Shentou Spring area was selected as the study site.
Chunhong Zhao, Haoyong Shen, Zhiheng Wang, Yi Zhao, Hao Xie   +4 more
doaj   +1 more source

Characteristics of paleokarst processes and reservoir development of the middle Permian Maokou Formation in the Yuanba area,Sichuan Basin

Carsologica Sinica
In recent years, the Maokou Formation of the middle Permian in the Yuanba area of Northwest Sichuan has consistently yielded high-flow industrial gas, indicating significant exploration potential for the Maokou Formation in this area.
Shaocong JI, Qingyu ZHANG, Junjie BA, Guoquan NIE, Hongqi DONG, Guochen MO, Meng ZHANG   +6 more
doaj   +1 more source

Spatial variation analysis of soil organic matter in karst area

Carsologica Sinica, 2022
As an important parameter for soil quality assessment, soil organic matter (SOM) can provide nutrients for crops, strengthen soil fertility, and improve soil physicochemical properties.
Chunlai ZHANG, Laimou LU, Hui YANG, Fen HUANG   +3 more
doaj   +1 more source

Degradation of the karst environment

, 2023
Karst environments are extremely fragile, due to the peculiarities of their geology and hydrogeology, and can be easily disturbed by human actions through a variety of activities.
Liso I. S., D’Ettorre U. S., Parise M.
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