Marine chemist

The marine chemistry is a branch of chemistry and oceanography, which deals with the properties of sea water, its ingredients and the transformations that take place in the water or be caused by the water employed.

History

In 1772 Lavoisier provides the first reliable analysis of sea water. He tries to isolate some of the ingredients.

1865 Georg Forchheimer found that the main components of sea water are always in the same ratio to each other. The great Challenger expedition from 1872 to 1876 brought the proof that the world present the components of seawater in a constant ratio. The average salinity of seawater is relatively constant and averages 3.47%; that is 34.7 g per kg of water. In the area of freshwater inflows, there is, however, a decrease in this concentration and brackish water formation ( mixohalin ).

Research priorities

One focus of modern marine chemistry often form environmental studies on the conversion of natural and anthropogenic substances in water and its impact on marine ecosystems. This complex problems are tackled, such as the influence of fertilizers and the resulting anthropogenic eutrophication, the impact of interventions in marine systems. Carried marine mining, dumping, maritime accidents, pipeline and Kabeltrassenbau, and even tourism.

Recently, the interdisciplinary Lohafex experiment attention has obtained, is studied in, among other things, the influence of iron fertilization on the formation of plankton and the carbon cycle.

Challenger-Expedition Human impact on the environment Alfred Wegener Institute for Polar and Marine Research Biochemistry Bioinorganic chemistry Biogeochemistry Biophysical chemistry Chemometrics Electrochemistry Femtochemistry Geochemistry Nuclear chemistry Clinical chemistry Interface and colloid science Combinatorial chemistry Magnetochemistry Medicinal chemistry Quantum chemistry Stereochemistry Thermochemistry Integrated Authority File
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