By Piotr Maloszewski (ed.), Stanisław Witczak (ed.), Grzegorz Malina (ed.)
Sustainable groundwater improvement calls for wisdom of the precise recharge and transport-processes. this can be a prerequisite to realizing: (i) groundwater assets and their availability, and (ii) the dependence among groundwater and the surroundings. Conceptual knowing of groundwater circulate at either temporal and spatial scales (local and neighborhood) is key for administration that might help engineering, undefined, agriculture, ecology, and all environmentally comparable issues.
This e-book has been ready for scientists, researchers, scholars, engineers, water assets experts, groundwater specialists, executive directors and lecturers. it really is of direct and utilized curiosity to practitioners in hydrogeology and groundwater (resources, caliber, toxins, security and clean-up), geochemistry and hydrogeochemical modelling, and investigators into environmental hydrology, groundwater based ecosystems, and different sensible environmental matters.
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9 as the O2 front reaches the monitoring well (Fig. 10). 4. 11 shows the changing pH during period 5, where the decrease in pH is lower. 2 mg/l (a 98% change from background) was achieved in the abstracted groundwater within one week. Results from a tracer test were used to determine the size of the reaction zone. P. Ebermann et al. 9 Oxygen concentration and pH during infiltration in periods 1 at MW 1. 10 Oxygen concentration and pH during infiltration in period 3 at MW 1. oxygen concentrations in the infiltrate, the resulting efficiency of iron removal and oxygen consumption by other processes.
While during the summer seasons EC decreased because groundwater was replaced by canal water that had a lower EC. 6 shows that in the MON site groundwater fluctuations were less pronounced than in CCR, since MON site is located near the coast and the water table fluctuations are moderated. At the MON site, despite the fast transfer of mass induced by the elevated permeability of the soil, NO− 3 concentration was very low. In fact, concentration never exceeded 2 mg/l confirming that the denitrification process NO− 3 efficiently removed all the NO− .
P. Ebermann et al. 2 pH – Eh diagram (Rott & Friedle, 2000). 3 Precipitation zoning for iron and manganese (Meyerhoff, 1996 modified). 3 STUDY SITE AND METHODOLOGY The research site at the farm in Dobra is located in northern Saxony 40 km north of the city of Dresden. Pleistocene sediments are underlain by greywacke with a thickness of 10–14 m. The sediments are fine to medium sands with a hydraulic conductivity of about 1 × 10−3 m/s. 5. A mobile unit on a vehicle trailer was developed for pilot investigations to test the applicability of subsurface iron removal at field scale.