Lecture Notes (PDF) - Aqueous and Environmental Geochemistry
Lecture Notes (PDF) - Aqueous and Environmental Geochemistry
Lecture Notes (PDF) - Aqueous and Environmental Geochemistry
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Environmenal <strong>Geochemistry</strong>DM Sherman, University of Bristol2001/2002pH of Atmospheric Deposition in UKThe susceptibility of soils todamage by acid rain is stronglydependent upon the bedrocklithology:•Limestone <strong>and</strong> chalkdeposits are not susceptibleto acidification.•Rocks containing Al mineralssuch as feldspar, muscovite,are more susceptible.Consequences of Acidification(In Soils)•In soils, increased acidityreleases Al into the soilsolution (as Al 3+ , Al(OH) n3-n).The excess Al damagesroot hairs of plants.2H + + 3KAlSi 3 O 8 + 3H 2 O =Al 2 Si 2 O 5 (OH) 4 + 7SiO 2 +Al(OH) 4-+ 3K +Page ‹#›
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