CHM2052

Aquatic chemistry

Dr Ian McKelvie

8 points - Four 1-hour lectures and one 4-hour laboratory per week - Second semester - Clayton - Prerequisites: CHM1011 and CHM1022 or CHM1031 and CHM1042 - Prohibition: CHM2192, CHM2202

Objectives At the completion of this subject students will have an overview of the physical features of aquatic systems; achieve an understanding of the chemical features of aquatic systems; gain an understanding of the fundamental physico-chemical processes operating in aquatic systems; be able to appreciate current pollution issues; review a range of commonly-used field and water quality monitoring techniques; develop a range of new analytical skills in the laboratory.

Synopsis This subject will give a basic understanding of the principles of water chemistry; experience with sampling and analysis of estuarine and fresh waters; and an introduction to the broader study of aquatic systems. Subject matter covered will include the hydrologic cycle; geomorphology and hydrodynamics of rivers, lakes and estuaries; light and thermal phenomena in aquatic systems; sources of major ions in natural waters; dissolved gases; carbon dioxide equilibria and pH; nutrient cycles and eutrophication; redox equilibria; heavy metal complexation; dissolved organic carbon; sampling and analysis of natural waters. The practical component will cover the major techniques used for water analysis and a field excursion.

Assessment Examinations (two 2-hour papers): 70% - Laboratory work: 30%

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