Auflistung Geologie nach Titel
Anzeige der Dokumente 286-305 von 931
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Elemental iron (Fe0) for better drinking water in rural areas of developing countries
(Uranium, Mining and Hydrogeology, 2008)Many of the reasons behind the anthropogenic contamination problems in rural environments of developing countries lie in changes in the traditional way of life and the ignorance on the toxic potential of introduced ... -
Elemental metals for environmental remediation: learning from cementation process.
(Journal of hazardous materials, 2010-09-15)The further development of Fe(0)-based remediation technology depends on the profound understanding of the mechanisms involved in the process of aqueous contaminant removal. The view that adsorption and co-precipitation ... -
Elemental metals for environmental remediation: lessons from hydrometallurgy
(Fresenius Environmental Bulletin, 2012)In the mining industry, the separation of economically valuable metals from gangue materials is a well established process. As part of this field, hydrometallurgy uses chemical fluids (leachates) of acidic or basic pH ... -
Empirical assessment of rockfall and debris flow risk along the Karakoram Highway, Pakistan
(Natural Hazards, 2021-02-15)The Karakoram Highway links north Pakistan with southwest China. It passes through unique geomorphological, geological and tectonic setting. This study focused 200-km-long section of the highway starting from Besham until ... -
Empirical relations of rock properties of outcrop and core samples from the Northwest German Basin for geothermal drilling
(Geothermal Energy Science, 2014)Information about geomechanical and physical rock properties, particularly uniaxial compressive strength (UCS), are needed for geomechanical model development and updating with logging-while-drilling methods to minimise ... -
Emulator-based global sensitivity analysis for flow-like landslide run-out models
(Landslides, 2021-08-13)Landslide run-out modeling involves various uncertainties originating from model input data. It is therefore desirable to assess the model’s sensitivity to these uncertain inputs. A global sensitivity analysis that is ... -
Enhancing sustainability of household water filters by mixing metallic iron with porous materials
(Chemical Engineering Journal, 2010)This study conceptually discusses the feasibility of enhancing the sustainability of conventional iron/sand filter (Fe0/sand filter) for safe drinking water by partially or totally substituting sand (quartz) by porous ... -
Enhancing the Sustainability of Household Fe0/Sand Filters by Using Bimetallics and MnO2
(CLEAN - Soil, Air, Water, 2011)Filtration systems containing metallic iron as reactive medium (Fe0 beds) have been intensively used for water treatment during the last two decades. The sustainability of Fe0 beds is severely confined by two major factors: ... -
Ensemble-based stochastic permeability and flow simulation of a sparsely sampled hard-rock aquifer supported by high performance computing
(Hydrogeology Journal, 2020-05-07)Calibrating the heterogeneous permeability distribution of hard-rock aquifers based on sparse data is challenging but crucial for obtaining meaningful groundwater flow models. This study demonstrates the applicability of ... -
Episodic Venting of a Submarine Gas Seep on Geological Time Scales: Formosa Ridge, Northern South China Sea
(Journal of Geophysical Research: Solid Earth, 2022-09-09)The Formosa Ridge cold seep is among the first documented active seeps on the northern South China Sea passive margin slope. Although this system has been the focus of scientific studies for decades, the geological factors ... -
Ergebnisse geologischer Forschungen in Minas Geraes (Brasilien)
(Schweizerbart, Stuttgart, 1932)Minas Geraes gehört seit alten Zeiten zu den Gegenden der Erde, die wegen ihres Mineralreichtums allgemein berühmt waren. Weitaus die größte Zahl der Veröffentlichungen über dieses Land beschäftigt sich mit den Bodenschätzen, ... -
Estimating Daily Maximum and Minimum Land Air Surface Temperature Using MODIS Land Surface Temperature Data and Ground Truth Data in Northern Vietnam
(Remote Sensing, 2016)This study aims to evaluate quantitatively the land surface temperature (LST) derived from MODIS (Moderate Resolution Imaging Spectroradiometer) MOD11A1 and MYD11A1 Collection 5 products for daily land air surface ... -
Estimating water balance components in irrigated agriculture using a combined approach of soil moisture and energy balance monitoring, and numerical modelling
(Hydrological Processes, 2021-03-11)Information on water balance components such as evapotranspiration and groundwater recharge are crucial for water management. Due to differences in physical conditions, but also due to limited budgets, there is not one ... -
Estimation of soil erosion and sediment yield concentration across the Kolleru Lake catchment using GIS
(Environmental Earth Sciences, 2021-02-12)Flat lakes with a large catchment area are especially affected by sediment inputs. The Kolleru Lake catchment (south-eastern India) with a surface area of approximately 6121 km2 belongs to such types of lake ... -
Evaluating Bayesian Radiocarbon‐dated Event Count (REC) models for the study of long‐term human and environmental processes
(Journal of Quaternary Science, 2020-10-20)Chronological uncertainty complicates attempts to use radiocarbon dates as proxies for processes such as human population growth/decline, forest fires and marine ingression. Established approaches involve turning databases ... -
Evaluation and application of GPS and altimetry data over central Dronning Maud Land, Antarctica - annual elevation change, a digital elevation model, and surface flow velocity
(Univ. Bremen, 2009)The polar ice sheets are unique paleoclimatic archives and play an important role in recent and future climate. The melting of the big freshwater reservoirs will not only increase the global sea level, but will also influence ... -
Evaluation of CO2 injection processes in geological formations for site screening
(Univ. Stuttgart, 2009) -
Evaluation of the effects of shaking intensity on the process of methylene blue discoloration by metallic iron.
(Journal of hazardous materials, 2009-09-30)The term mixing (shaking, stirring, agitating) is confusing because it is used to describe mass transfer in systems involving species dissolution, species dispersion and particle suspension. Each of these mechanisms requires ... -
Evaluation of the representative elementary volume (REV) of a fractured geothermal sandstone reservoir
(Environmental Earth Sciences, 2010)The objective of this study is to evaluate a representative elementary volume (REV) in a fractured geothermal sandstone reservoir in Germany using the discrete fracture network (DFN) model approach. Due to the lack of in ...