The geochemical characteristics of a near shore inland aquifer system have been investigated in the Coastal Aquifer Test Field (CAT-Field) between Bremerhaven and Cuxhaven in the Northern Part of Germany which is described by Kessels et al.(this issue). Groundwater and sediment samples from the aquifer were taken at different locations on the flank of a glacial channel at depths between 5 and 1...

Cation exchange is an interfacial process during which cations on a clay surface are replaced by other cations. This study investigates the effect of oil type and composition on cation exchange on rock surfaces, relevant for a variety of oil-recovery processes. We perform experiments in which brine with a different composition than that of the in situ brine is injected into cores with and witho...

Availability of arsenic in waterbodies has posed devastating impacts to terrestrial and aquatic organisms. As such, prudent and pragmatic technologies need to be developed to troubleshoot and solve the problem of arsenic in aquatic ecosystems. This study was designed to investigate the potential use of cryptocrystalline magnesite for removal of arsenic from aqueous solution. Removal of arsenic ...

The riverine transport of elements from land to ocean is an integral flux for many element cycles and an important climate regulating process over geological timescales. This flux consists of both dissolved and particulate material. The world’s rivers are estimated to transport between 16.6 and 30 Gt yr 1 of particulate material, considerably higher than the dissolved flux of 1 Gt yr . Therefor...

The Great Plains (Dakota) aquifer system is one of the most extensive in North America, extending from the Arctic Circle to New Mexico, and underlies approximately 94% of Nebraska. In Nebraska, we do not have the physical ground water monitoring data at the scale that is necessary to manage ground water flow systems. However, first-order management strategies for this regional aquifer can be de...

Please cite this article in press as: Wong, C.I., et Hydrol. (2012), http://dx.doi.org/10.1016/j.jhyd Understanding the sources and processes that control groundwater compositions and the timing and magnitude of groundwater vulnerability to potential surface-water contamination under varying meteorologic conditions is critical to informing groundwater protection policies and practices. This is ...

Abstract The small stalactites found on the ceiling at level I near Sutoris shaft in thirteenth-century historic salt mine Bochnia, Poland, are mainly composed of mirabilite (Na 2 SO 4 ·10H O) followed by blödite Mg(SO ) ·4H O). unique presence these two minerals only one location this old underground is attributed to contemporary precipitation from percolating solutions. This can be caused a c...

Abstract Sophisticated modeling of the migration sorbing radionuclides in compacted claystones is needed for supporting safety analysis deep geological repositories radioactive waste, which requires robust tools/codes. Here, a benchmark related to long term laboratory scale diffusion experiment cesium, moderately radionuclide, through Opalinus clay presented. The was performed with following co...