Results 21 to 30 of about 373,337 (279)

Multi-Lateral Well Productivity Evaluation Based on Three-Dimensional Heterogeneous Model in Nankai Trough, Japan

open access: yesEnergies, 2023
Widely employed in hydrate exploitation, the single well method is utilized to broaden the scope of hydrate decomposition. Optimizing the well structure and production strategy is necessary to enhance gas recovery efficiency. Complex wells represented by
Xin Xin   +5 more
doaj   +1 more source

A new conceptual framework for the transformation of groundwater dissolved organic matter

open access: yesNature Communications, 2022
Groundwater comprises 95% of the liquid fresh water on Earth and contains a diverse mix of dissolved organic matter (DOM) molecules which play a significant role in the global carbon cycle.
Liza K. McDonough   +11 more
semanticscholar   +1 more source

Evaluation of Land Subsidence Hazardousness in Cangzhou Section of Beijing-Shanghai High-Speed Railway [PDF]

open access: yesE3S Web of Conferences
Cangzhou area is one of the most severe areas of land subsidence in the North China Plain, which is a serious threat to major linear projects such as the South-to-North Water Diversion Project and high-speed railroads, and there is an urgent need to ...
Zhu Juyan   +6 more
doaj   +1 more source

Cadmium in soils and groundwater: A review.

open access: yesApplied Geochemistry, 2019
Cadmium (Cd) is a non-essential trace element that is widely distributed in the environment. Both geogenic and anthropogenic sources can elevate Cd concentrations in soils and groundwater, which are important for maintaining healthy supplies of food and ...
A. Kubier, R. Wilkin, T. Pichler
semanticscholar   +1 more source

Production Behavior of Hydrate-Bearing Sediments with Mixed Fracture- and Pore-Filling Hydrates

open access: yesJournal of Marine Science and Engineering, 2023
Most hydrate-bearing sediments worldwide exhibit mixed pore- and fracture-filling hydrates. Due to the high exploitation value, pore-filling hydrate production is the focus of current hydrate production research, and there is a lack of systematic ...
Yaobin Li   +6 more
doaj   +1 more source

Impact of climate change on groundwater hydrology: a comprehensive review and current status of the Indian hydrogeology

open access: yesApplied Water Science, 2022
Groundwater is the second largest store of freshwater in the world. The sustainability of the ecosystem is largely dependent on groundwater availability, and groundwater has already been under tremendous pressure to fulfill human needs owing to ...
Sabyasachi Swain   +4 more
semanticscholar   +1 more source

Application of image-free control UAV aerial survey technology in emergency treatment of landslide-debris flow disaster in Lijie north hill,Zhouqu County

open access: yesZhongguo dizhi zaihai yu fangzhi xuebao, 2022
In recent years, UAV aerial survey technology has been widely used in the field of geological disaster prevention, especially in the emergency disposal of abrupt geological hazard.
Xiaolong ZHOU   +6 more
doaj   +1 more source

GIS and AHP Techniques Based Delineation of Groundwater Potential Zones: a case study from Southern Western Ghats, India

open access: yesScientific Reports, 2019
Over-exploitation of groundwater and marked changes in climate over the years have imposed immense pressure on the global groundwater resources. As demand of potable water increases across the globe for human consumption, agriculture and industrial uses,
P. Arulbalaji, D. Padmalal, K. Sreelash
semanticscholar   +1 more source

PFAS and their substitutes in groundwater: Occurrence, transformation and remediation.

open access: yesJournal of Hazardous Materials, 2021
Poly- and perfluoroalkyl substances (PFAS) are increasingly investigated due to their global occurrence and potential human health risk. The ban on PFOA and PFOS has led to the use of novel substitutes such as GenX, F-53B and OBS.
Bentuo Xu   +7 more
semanticscholar   +1 more source

Rapid groundwater decline and some cases of recovery in aquifers globally

open access: yesNature
Groundwater resources are vital to ecosystems and livelihoods. Excessive groundwater withdrawals can cause groundwater levels to decline1–10, resulting in seawater intrusion11, land subsidence12,13, streamflow depletion14–16 and wells running dry17 ...
S. Jasechko   +7 more
semanticscholar   +1 more source

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