Results 11 to 20 of about 5,050,499 (303)

Hydrochemical characteristics and water quality evaluation of karst water in Jinan City

open access: yesCarsologica Sinica, 2023
Karst groundwater is an important source recharge for springs in Jinan, and its water quality directly affects the effectiveness of spring protection work in this city.
Wenyue LIU   +5 more
doaj   +2 more sources

Gypsum karst geohazards in China [PDF]

open access: yes, 1997
China has the worlds largest proven gypsum (CaSO4.2H2O) resources in the world. The gypsum ranges from pre-Cambrian to Quaternary in age and occurs in varied geological environments.
Cooper, A.H., Yaoru, Lu
core   +3 more sources

Process-based karst modelling to relate hydrodynamic and hydrochemical characteristics to system properties [PDF]

open access: yes, 2013
More than 30% of Europe's land surface is made up of karst exposures. In some countries, water from karst aquifers constitutes almost half of the drinking water supply.
J. A. Barberá   +23 more
core   +2 more sources

Structure of karst water system and hydrological circulation characteristics of Lianghu Tunnel in Wuhan

open access: yes地质科技通报, 2022
Among the underlake tunnels in the urban areas, the Lianghu Tunnel in Wuhan is the longest one of China and the largest one in the world.The East Lake part of this tunnel passes through the karst area.
Chao Ma   +6 more
doaj   +1 more source

Transport von Mikroorganismen in einem Karstaquifer am Beispiel der Lützelquelle [PDF]

open access: yes, 2004
Karst terrains cover about 25% of the earth’s surface and karst aquifers are estimated to provide about a quarter of the world’s population with potable water.
Auckenthaler, Adrian Georg
core   +1 more source

Beurteilung der Grundwasser-Vulnerabilität in Karstgebieten anhand 3D geologischer und numerischer Modelle [PDF]

open access: yes, 2007
Groundwater is a major resource for mankind. Among groundwater resources, karst groundwater plays an important role. Approximately a quarter of the world's population depends on karst groundwater.
Butscher, Christoph
core   +1 more source

DEM-based analysis of water inrush process of underground engineering face with intermittent joints in karst region

open access: yesElectronic Journal of Structural Engineering, 2023
Water inrush disaster of karst tunnel often lead to significant economic losses and serious casualties, which is an urgent engineering roadblock to be solved in the construction of tunnel in karst area.
Shuguo Zhang   +4 more
doaj   +1 more source

Geomorphic Characteristics of Akhlamad Karst in North Slops of Binaloud [PDF]

open access: yesجغرافیا و توسعه, 2009
Akhlamad basin is karst formation of Mozdouran and Chaman-Bid in the south west of Mashhad. This karst area pertain to Mesozoic and affected by climatical, hydrological, lithological and Tectonical factores. Landscape of karst in area (Epi-karst and Endo-
abolfazal behneifar   +2 more
doaj   +1 more source

Research on the law of water inrush disasters in pipeline-type karst tunnels under the coupling effect of stress-seepage-damage

open access: yesCarsologica Sinica, 2023
With the strategy of "advancing the development of China's western regions", the construction of tunnels in karst areas has increased significantly. Among these tunnels, the karst pipeline is a kind of structure prone to disasters caused by the filling ...
Jie MENG, Zhibin LIN, Peizhong LIN
doaj   +1 more source

Overview of groundwater modeling technology and its application in karst areas with multiple-void media

open access: yes地质科技通报, 2022
Due to the extremely heterogeneous distribution of karst and the multi-media nature of karst aquifer medium, the groundwater flow in karst water system presents complex and changeable characteristics.
Jianmei Cheng, Yiming Luo
doaj   +1 more source

Home - About - Disclaimer - Privacy