Results 21 to 30 of about 30,424 (262)

Lumped cluster analysis for understanding spatial and temporal patterns of groundwater geochemistry and hierarchically nested flow systems

地质科技通报, 2022
Hydrogeochemical tracing is an important tool to identify groundwater flow systems.However, the complexity of regional hierarchically nested groundwater flow systems makes it more difficult to explain chemical compositions of groundwater.This study takes
Shu Li, Jiaxue Yang, Xiaoqian Li, Jun Zhang, Guofang Pan   +4 more
doaj   +1 more source

Functional Flows in Groundwater-Influenced Streams: Application of the California Environmental Flows Framework to Determine Ecological Flow Needs

Frontiers in Environmental Science, 2022
Environmental flows, or the practice of allocating water in river systems for ecological purposes, is a leading strategy for conserving aquatic species and improving river health.
Sarah M. Yarnell, Ann Willis, Alyssa Obester, Ryan A. Peek, Robert A. Lusardi, Robert A. Lusardi, Julie Zimmerman, Theodore E. Grantham, Eric D. Stein   +8 more
doaj   +1 more source

Determination of Groundwater Flow Pattern in the basement complex terrain of Ado-Ekiti, Southwestern Nigeria

Indonesian Journal of Geography, 2023
Hydrostatic level sampling, geo-referencing and Geographic Information System were employed to delineate the major groundwater recharge / discharge zones, the groundwater flow direction and the groundwater divides in Ado-Ekiti metropolis with the ...
A. Akinola Oyedele, Gbenga Olayanju, Taiwo Oyedele, Kehinde Oyedele, Taofeek Ewumi, Funmi Ogunlana   +5 more
doaj   +1 more source

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

Energy 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, Jin Luo, Guiling Wang, Xi Zhu, Guiyi Liu   +4 more
doaj   +1 more source

Regional groundwater flow pattern in Beishan, Hexi Corridor and Qilian Mountain

地质科技通报, 2022
Groundwater flow in mountainous areas is controlled by climate conditions, topography, geological structure, and other factors.Due to the restrictions such as data acquisition, the groundwater flow pattern and control mechanism in mountainous areas are ...
Yanhui Dong, Yunmei Fu, Liheng Wang, Ju Wang, Qian Zhang, Zihua Zong, Zhichao Zhou   +6 more
doaj   +1 more source

Information Entropy Evolution for Groundwater Flow System: A Case Study of Artificial Recharge in Shijiazhuang City, China

Entropy, 2014
The groundwater flow system is typical dissipative structure system, and its evolution can be described with system information entropies. The information entropies of groundwater in Shijiazhuang City had been calculated between 1960 and 2005, and the ...
Wei Xu, Shanghai Du
doaj   +1 more source

SIMULASI NUMERIK PADA ALIRAN AIR TANAH MENGGUNAKAN COLLOCATION FINITE ELEMENT METHOD

E-Jurnal Matematika, 2018
This research presents a numerical simulation on groundwater flow using collocation finite element method (CFEM). Groundwater flow is known as the flow of water beneath the soil. Generally, groundwater flow is generated due to high hydraulic differences.
UMMU SALAMAH, ANNISA ADITSANIA, P. H. GUNAWAN   +2 more
doaj   +1 more source

Analysis and identification of sulfate sources in groundwater of a typical profile in the Yinchuan Plain

Journal of Hydrology: Regional Studies
Study region: The Yinchuan Plain in China. Study focus: In large watersheds with diverse landforms, multi-level nested groundwater flow systems drive complex sulfate transport and transformation.
Ning Liu, Wenke Wang, Deshuai Ji, Zongyu Chen, Yazhen Du   +4 more
doaj   +1 more source

Interaction between seepage and temperature fields in different groundwater flow systems

地质科技通报, 2022
In the regions with rich geothermal resources, it is necessary to study the interaction between the seepage and temperature fields under different groundwater flow systems.Based on numerical simulation and sandbox experiments in a two-dimensional ...
Wei Xiao, Ronglin Sun, Mingxia Chen, Yijiao Yang   +3 more
doaj   +1 more source

Bismuth‐Based Photocatalysts for Water Remediation: Design Strategies, Mechanisms, and Challenges

Advanced Functional Materials, EarlyView.
This review highlights representative design strategies for bismuth‐based semiconductor photocatalysts in solar‐driven water purification. Emphasis is placed on electronic structure regulation, oxygen‐vacancy engineering, and interfacial coupling to enable efficient full‐spectrum light utilization, improved charge separation, and selective oxidation in
Shan Liu, Yi Zhao, Liming Cai, Simin Long, Jing Kang, Jingkai Lin, Jimin Shen, Zhonglin Chen, Shaobin Wang, Huayang Zhang   +9 more
wiley   +1 more source