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Biogeochemical Processes in Aquatic Systems
Biogeochemische Prozesse in aquatischen Systemen
Last Updated: 2026-02-05 15:19:25
Abstract
Biogeochemical cycles in aquataic systems are discussed from a global or regional perspective, important methods to determine reaction rates and pathways are introduced and typical mechansims are discussed on a molecular level.
Objective
Tackle global and molecular ideas; gather information how rates and pathways of biogeochemical cycles in aquatic systems are determined; understand the relevant coupling mechanisms between biological and geochemical processes.
Content
Biogeochemical cycles in aquatic systems will be discussed from three perspectives: 1) Case studies with a gloabal or regional point of view will document the relevant background information on rates, time-scales and reservoirs of selected element cycles such as C, N, P, S, Fe, Mn Cd, Cu, Mo and As. 2) From a practical perspective we will compare the potential and limits of different methods to quantify biogeochemical processes in aquatic systems. 3) On a molecular level we will discuss mechanisms and pathways of relevant reactions. chapters the C-Si cycle and the stability of planet earth weathering reactions tracing live- aqutic primary production molecular architecture: biomineralization a success story: P limit and water quality management N has many faces: nitrification, denitrification, N-fixation Methanogenesis, methane hydrates and CH4 oxidation Iron limitation - facts and fiction Manganese nodules Cadmium as a nutrient tracing the anoxic ocean:Mo As in groundwater
Resources
Lecture Notes
Lecture notes will be available in German
Literature
- Berner, E.K.; Berner R.A.; "Global Environment; Water, Air and Geochemical Cycles" Prentice Hall. 1996.
General Information
- Language
- German
- Levels
- BSC
- Frequency
- Yearly recurring
Examination
- Type
- session examination
- Mode
- oral 30 minutes
Course Components
| Type | Title | Time & Place | Hours |
|---|---|---|---|
| lecture with exercise | Biogeochemische Prozesse in aquatischen Systemen |
|
2 h weekly |
Offered In
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Major in Climate and Water: Electives (Advisor of the BSc-major "Climate and Water" is Dr. M. Wüest, Institute for climate and atmosphere (IAC).)
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Major Electives (From the elective courses of the 5th and 6th semester, 24 credits have to be acquired. Other courses have to be granted by the advisor, Dr. M. Wüest, IAC.)
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