Essays about: "ökade metallkoncentrationer"
Found 2 essays containing the words ökade metallkoncentrationer.
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1. Increased leaching of metals as a result of foundation work
University essay from KTH/Hållbar utveckling, miljövetenskap och teknikAbstract : Heavy metal contamination in the environment is a global issue that is likely to increase in the future. This report investigates a construction area in which increased concentrations of the heavy metals cadmium, cobalt, copper, nickel and zinc and a decreased pH-value has been observed in the surface water recipient. READ MORE
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2. Acid Sulfate Soils and Metal Accumulation in Sediments in Rosån Catchment, Northern Sweden
University essay from Uppsala universitet/Institutionen för geovetenskaperAbstract : Global environmental concerns arise when marine deposits with fine-grained iron sulfide-rich sediments (FeS and FeS2), now situated above sea level, oxidize from anthropogenic lowering of the groundwater table. The oxidation of iron sulfides decreases the soil pH and the acidic environment of these Acid Sulfate Soils (AS) soils increase weathering and mobilization of metals into adjacent watercourses, lakes and estuaries. READ MORE