The great intensity of groundwater exploitation for water supply in Vojvodina Province in Yugoslavia has been provided from deep aquifers. More than 5.5 m/s comes from those aquifers, which belong to a subartesian and artesian type, and from depths varying from 60 m to more than 250 m. Due to intensive long-term groundwater production, the actual pumping levels at numerous deep wells, used for ...

Microbial communities of two deep (1,270 and 316 m) alkaline (pH 9.94 and 8.05), anaerobic (Eh, -137 and -27 mV) aquifers were characterized by rRNA-based analyses. Both aquifers, the Grande Ronde (GR) and Priest rapids (PR) formations, are located within the Columbia River Basalt Group in south-central Washington, and sulfidogenesis and methanogenesis characterize the GR and PR formations, res...

in this paper, the results of surface and ground water quality monitoring during drilling of three deep exploratory wells in geothermal project in north west of sabalan in meshkinshahr are analyzed. the region has been investigated by various researchers to generate electricity using geothermal energy. drilling in deep geothermal projects, a variety of materials such as cement, bentonite, barit...

0022-1694/$ see front matter 2009 Elsevier B.V. A doi:10.1016/j.jhydrol.2009.07.052 * Corresponding author. Present address: ExxonMob Benmar Drive, Houston, TX 77060, United States. Tel.: 392 9294. E-mail addresses: [email protected] (P.J. Moore), jb [email protected] (E.J. Screaton). Information about sources of recharge, distributions of flow paths, and the extent of water–rock reactions in karst ...

industrial activities lead to an increase in heavy metal burden in rivers. sediment and algae (spirogyra sp.) samples were collected from the shoor river to investigate their heavy metal concentrations. dry and ashed samples of algae and sediment were digested using concentrated nitric acid. heavy metals (as, fe, zn and cr) concentration measured using an icp-oes instrument (perkinelmer, usa). ...

The first model calculates how long changes to deep drainage take to appear as recharge to saline aquifers. The second models the groundwater flows to quantify how much saline groundwater will be delivered to the River Murray over a certain period of time. SIMRAT has influenced salinity policy development, delivered outputs required by policy and continually challenged our understanding of sali...

This study combined statistical analyses, field investigations and numerical groundwater flow modeling to quantify the connectivity between the Elkhorn River and its adjacent aquifers in Nebraska. The Mann-Kendall trend tests were conducted to detect increasing or decreasing tendencies on the time series data of streamflow, which were collected from eighteen gauging stations in the Elkhorn Rive...