Results 31 to 40 of about 9,417 (273)

Eighth Grade Students' Understandings of Groundwater [PDF]

open access: yes, 2004
According to national standards, eighth graders should possess appropriate understandings regarding groundwater and its role in the hydrologic cycle. This article describes a study of eighth-grade students to determine what types of ideas eighth graders ...
Daniel Dickerson, Karen Dawkins
core   +1 more source

The Influence of Water Temperature on the Hydrogeochemical Composition of Groundwater during Water Extraction and Reinjection with Geothermal Heat

open access: yesEnergies, 2023
This study presents a simulation of potential changes in groundwater in three wells within a Quaternary gravel aquifer in the city of Ljubljana when groundwater cooled by about 4 °C is reinjected into it.
Timotej Verbovšek
doaj   +1 more source

Rock-water interaction processes based on geochemical modeling and remote sensing applications in hyper-arid environment: cases from the southeastern region of Egypt

open access: yesBulletin of the National Research Centre, 2018
Background The interaction between rocks and groundwater can be considered as multi-faceted processes in hydrogeology where the groundwater chemistry can be resulted from leaching and/or minerals dissolution.
Mohamed Yousif   +1 more
doaj   +1 more source

Geochemical Features of the Thermal and Mineral Waters From the Apuseni Mountains (Romania)

open access: yesFrontiers in Earth Science, 2021
The Apuseni Mountains are located between the large geothermal area of the Pannonian Basin and the low thermal flux Transylvanian Basin. Thermal and mineral waters have been sampled from 42 points along a NW-SE transect.
Alin-Marius Nicula   +7 more
doaj   +1 more source

Geochemical and Isotopic Evidence of Groundwater Salinization Processes in El Dabaa Area, Northwestern Coast, Egypt

open access: yesGeosciences, 2018
El Dabaa city is located along the northwestern coast ridge zone of Egypt, where the groundwater is the major water source for drinking, domestic, and agricultural purposes. The groundwater salinity increased over the last decades, therefore, geochemical
Mustafa A. Eissa   +4 more
doaj   +1 more source

Application of Multi-Isotopes and Geochemical Modeling for Delineating Recharge and Salinization Sources in Dahab Basin Aquifers (South Sinai, Egypt)

open access: yesHydrology, 2018
The Dahab watershed comprises three aquifers; the alluvial Quaternary, the Early Cambrian sandstone, and the fractured Pre-Cambrian basement aquifers.
Mustafa A. Eissa
doaj   +1 more source

Rare earth elements in some bottled waters of Serbia [PDF]

open access: yesGeološki Anali Balkanskoga Poluostrva, 2013
Twenty-one bottled mineral and spring waters from Serbia were analyzed for 16 inorganic chemical parameters, including lanthanides and yttrium which belong to the group of so-called rare earth elements (REE).
Todorović Maja   +3 more
doaj   +1 more source

Hydrogeochemical Studies to Assess the Suitability of Groundwater for Drinking and Irrigation Purposes: The Upper East Region of Ghana Case Study

open access: yesAgriculture, 2022
Groundwater is increasingly being used to help meet the Sustainable Development Goals (SDGs) 2 and 6 in many parts of the world, including Ghana. Against this background, hydrogeochemical and multivariate statistical studies were conducted to determine ...
Franklin Obiri-Nyarko   +6 more
doaj   +1 more source

Hydrogeochemistry and groundwater quality assessment of Astaneh-Kouchesfahan Plain, Northern Iran. [PDF]

open access: yes, 2013
In this study, the hydrochemical characteristics of 230 bore well samples were analysed in Astaneh-Kouchesfahan Plain. Data interpretation shows that alkaline earths (Ca2+ and Mg2+) exceed the alkalis (Na+ and K+) and weak acids (HCO3−) exceed the strong
Eslamian, Saeid   +3 more
core   +1 more source

Geochemical features of Kulunda plain lakes (Altay region, Russia) [PDF]

open access: yes, 2016
Geochemical specifics of lake water of the Kulunda Steppe territory (Altay region, Russia) are studied. The results show that in the territory mainly chloride and less soda lakes with sodium compound are developed.
Borzenko, S. V.   +4 more
core   +2 more sources

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