Results 21 to 30 of about 23,204 (164)

Characteristics and genesis of karst water flow system around Huangling anticline

open access: yes地质科技通报, 2022
The study of the karst water flow system is helpful for the reasonable evaluation and utilization of groundwater resources.In this paper, the spatial characteristics, hydrological dynamic response, temperature field, and conductivity characteristics of ...
Xulei Guo   +7 more
doaj   +1 more source

Evolution law of groundwater system with multiple seams mining in Nanliang Coal Mine

open access: yes地质科技通报, 2022
Coal mining has an important impact on the groundwater system in the mining area.In the past, more research was distributed on the impact of single coal seam mining on the groundwater system, while the impact on multiple coal seams was rarely studied ...
Yang Bai   +6 more
doaj   +1 more source

Characteristics of karst groundwater flow systems of typical faulted basins in Yimeng Mountain area: A case study of Laiwu Basin

open access: yes地质科技通报, 2022
China Geological Survey has organized and implemented 1:50 000 standard map hydrogeological survey with an area of more than 40000 square kilometers in Yimeng Mountain area.
Yuanqing Liu   +6 more
doaj   +1 more source

Analysis of source and path of water inrush in karst tunnel based on the theory of groundwater flow system

open access: yes地质科技通报, 2022
Shuanglong Cave is a famous national scenic spot.The proposed Jinhua Mountain Tunnel is located about 12 km northeast of the Shuanglong Cave Scenic Area in Jinhua City, Zhejiang Province.The excavation of the Jinhua Mountain Tunnel may cause the karst ...
Bin Zeng   +3 more
doaj   +1 more source

Study of the sustainability of a ground source heat pump system by considering groundwater flow and intermittent operation strategies

open access: yesEnergy Exploration & Exploitation, 2019
In this study, the operation of a ground source heat pump system was investigated over a 25-year period with careful attention paid to the effects of groundwater flow and intermittent operation strategies.
Wanli Wang   +4 more
doaj   +1 more source

Laboratory Investigation of Impact of Injection–Abstraction Rate and Groundwater Flow Velocity on Groundwater Heat Pump Performance

open access: yesEnergies, 2023
Using low-temperature (shallow) groundwater as a heat source or heat sink is a common practice to supply space heating or cooling, especially in the United States, Canada, China, and several European countries. The groundwater heat pump (GWHP) system has
Taha Sezer   +3 more
doaj   +1 more source

Understanding and conceptualization of the hydrogeology and groundwater flow dynamics of the Nyando River Basin in Western Kenya

open access: yesJournal of Hydrology: Regional Studies, 2020
Study region: The Nyando River basin in western Kenya. It is part of the Lake Victoria basin. Study focus: As a first step towards numerical modeling, complementary datasets from different periods have been used to develop a conceptual hydrogeological ...
Sarah Mutua   +7 more
doaj   +1 more source

Flow systems of the Earth’s viscous subsurface: A complement to groundwater flow systems

open access: yesAin Shams Engineering Journal, 2021
Assessment of the long term possibilities and risks related to geological storage requires insight in the deep groundwater flow systems. The objective of this paper is to show the relevance of the deep creep flow of the earth’s viscous upper mantle and crust as a complement to the groundwater flow.
Wouter Zijl, Mustafa El-Rawy
openaire   +2 more sources

Numerical modelling study on non-steady-state groundwater flow systems in response to changing rainfall

open access: yes地质科技通报, 2023
Objective Geological, climatic, and topographical conditions control regional groundwater flow systems. Previous researchers have made significant advancements in developing the theory of groundwater flow systems under steady-state climatic conditions ...
Xiaolang Zhang, Jiu Jiao Jimmy
doaj   +1 more source

Ecological safety of water resources in Khujand (Tajikistan) area, in the development context of agricultural activities [PDF]

open access: yesE3S Web of Conferences, 2023
The research deals with investigation of relation between agricultural activity and ground water, surface water composition and quantity. The area of investigation is under huge increases in water consumption and active development of agricultural and ...
Viventsova E.A.
doaj   +1 more source

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