Results 31 to 40 of about 7,708 (210)

d13C tracing of dissolved inorganic carbon sources in Patagonian rivers (Argentina) [PDF]

open access: yes, 2005
The main Patagonian rivers (Colorado, Negro, Chubut, Deseado, Coyle, Chico, Santa Cruz and Gallegos) were sampled between September 1995 and November 1998 to determine their chemical and isotopic compositions, the origins of the suspended and dissolved ...
Brunet, Frédéric   +5 more
core   +4 more sources

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

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

Geological structure as a control on floodplain groundwater dynamics [PDF]

open access: yes, 2018
Groundwater in upland floodplains has an important function in regulating river flows and controlling the coupling of hillslope runoff with rivers, with complex interaction between surface waters and groundwaters throughout floodplain width and depth ...
Archer, N. A. L.   +8 more
core   +4 more sources

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

The produced waters of oil deposits in Tomsk region: its use for iodine industrial production [PDF]

open access: yes, 2016
In world practice, groundwater is the main raw material for iodine production. In the current geopolitical conditions, a significant part of the traditional areas of iodine production is located outside the Russian Federation.
Jankowski, Vladimir Vladimirovich   +2 more
core   +1 more source

Distribution and interaction between selected pharmaceuticals and hydrogeochemistry in Guadalhorce aquifer(South of Spain) [PDF]

open access: yes, 2015
Management of water resources implies the study of their quality and in recent times one of the main drawbacks is the presence of non-regulated products, the so-called "Emerging Contaminants (EC)".
Candela Lledó, Lucila   +5 more
core  

Engagement in Authentic Geoscience Research: Evaluation of Research Experiences of Undergraduates and Secondary Teachers [PDF]

open access: yes, 2003
This article examines the effects of a program involving authentic research on the participants' interest in research, career plans, and attitudes on science.
Olga Jarrett, Pamela Burnley
core   +1 more source

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