Results 71 to 80 of about 17,146 (162)

Bunker Cave stalagmites: an archive for central European Holocene climate variability [PDF]

, 2012
Holocene climate was characterised by variability on multi-centennial to multi-decadal time scales. In central Europe, these fluctuations were most pronounced during winter. Here we present a record of past winter climate variability for the last 10.8 ka
Fohlmeister, Jens, Gerdes, Axel, Immenhauser, Adrian, Mangini, Augusto, Mudelsee, Manfred, Richter, Detlev K., Riechelmann, Dana F. C., Riechelmann, Sylvia, Scholz, Denis, Schröder-Ritzrau, Andrea, Spötl, Christoph, Wackerbarth, Anne Katrin   +11 more
core   +2 more sources

Characteristics of karst geothermal system in intermountain fault basin: a case study of Taiyuan basin in north China

Frontiers in Earth Science
IntroductionThe Taiyuan Basin of North China, as a typical intermountain fault basin, is located in the middle part of the Fen-Wei graben system-an extensional faulting belt. It is one of the areas where high-quality karst thermal storage is developed to
Wang Tinghao, Wang Tinghao, Wang Xinwei, Zhang Xuan, Luo Lu, Liu Huiying   +5 more
doaj   +1 more source

Karst reservoirs seismic prediction of Lower Permian Maokou Formation in central Sichuan Basin, SW China

Petroleum Exploration and Development, 2017
Based on the new well logging and seismic data of recent years in central Sichuan Basin, the comprehensive study of the karst reservoirs in the Lower Permian Maokou Formation was carried out using new geophysical technology.
Xiaofeng DAI, Ming ZHANG, Qingchun JIANG, Zhou FENG   +3 more
doaj   +1 more source

The Pecos River Hypogene Speleogenetic Province: a Basin-Scale Karst Paradigm for Eastern New Mexico and West Texas, USA [PDF]

, 2009
Since the mid-Tertiary, lateral migration and entrenchment of the Pecos River Valley in eastern New Mexico and west Texas, USA, has significantly influenced regional groundwater flow paths, providing a focus for ascending flow in multi-storey artesian ...
Gary, Marcus O., Klimchouk, Alexander, Land, Lewis, Stafford, Kevin W.   +3 more
core   +1 more source

Seismic response characteristics and reservoir distribution prediction of karst reservoirs in the Yingshan Formation of the Lunguxi block

Carsologica Sinica
Globally, 279 carbonate oil and gas reservoirs have been discovered across 39 countries and regions. Notably, large marine carbonate oil and gas reservoirs are primarily distributed in China, mainly featuring lithological-stratigraphic traps.
Baozhu GUAN, Junfeng LIU, Maochuan YANG, Xinying YANG   +3 more
doaj   +1 more source

Dissolution of Cavities and Porous Media: a Multi-Scale View [PDF]

, 2013
Dissolution of underground cavities or porous media involves many different scales that must be taken into account in modeling attempts. This paper presents a review of some of these problems.
Quintard, Michel
core  

Characteristics and dominant controlling factors of karst reservoirs in the middle Permian Maokou Formation of the eastern Sichuan region

Carsologica Sinica
The middle Permian Maokou Formation in the eastern Sichuan region is characterized by the widespread development of karst reservoirs. However, systematic analysis of the identification criteria and controlling factors of these karst reservoirs remains ...
Rong YANG, Xiyan YANG, Cunhui FAN, Yang LI, Yue LI, Zisang HUANG   +5 more
doaj   +1 more source

Research on the diagnosis of leakage hazards in a karst reservoir based on integrated electrical method and geological method

Frontiers in Earth Science
ObjectiveDue to the dual influence of karst features in the dam site area and the unique characteristics of the dam soil, leakage issues in the dam body and dam foundation of a certain reservoir have persisted, limiting the effectiveness of the reservoir.
Jihua Yao, Jihua Yao, Yuanli Yang, Yuanli Yang, Mingwei Yang, Mingwei Yang, Zhigao Shen, Zhigao Shen, Xiangjian He, Xiangjian He, Xiang Chen, Xiang Chen   +11 more
doaj   +1 more source

EFFECTIVE SEDIMENT CONTROL IN A RESERVOIR [PDF]

, 2014
Sedimentation in a reservoir cannot be avoided. The average rate of sedimentation on the storage volume reduction of a reservoir in the world is about 1 % per year (Yoon,1992), meanwhile, the storage volume reduction in several reservoir in Indonesia ...
Djoko , Legono, Pranoto , Samto Atmojo, SUHARYANTO, SUHARYANTO, Suripin, Suripin   +3 more
core  

Three-Dimensional Finite Element Numerical Simulation of Cave Block of Underground Dam in Karst Area

Renmin Zhujiang, 2020
There are many problems in safety management and risk assessment of underground reservoir project in karst area because of the special structure and environment.Taking a typical karst underground reservoir project in southwest China as the research ...
DA Mingchang, JIAO Jie, SU Zhengyang
doaj