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701-0471-01L 3 Credits BSC , MSC D-USYS , D-ERDW

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Atmospheric Chemistry

Atmosphärenchemie

Lecturers & Examiners: Prof. em. Johannes Stähelin, Prof. em. Dr. Thomas Peter

VVZ CR n/a

Last Updated: 2026-02-05 15:24:54

Abstract

Troposphere/stratosphere as 'reactors', ozone distribution and UV radiation - kinetic basics - stratospheric chemistry (ozone depletion, trends, Montral protocol) - tropospheric chemistry of the gas phase (air pollutants, boundary layer, smog, global photo chemistry) - SO2 oxidation and polluted precipitation - aerosols - global cycles, radiative forcing (IPCC, global warming potentials)

Objective

Das Lernziel der Vorlesung ist eine allgemeine Übersicht über die wichtigsten Prozesse der Atmosphärenchemie und der verschiedenen Probleme der anthropogenen Veränderung der Zusammensetzung der Erdatmosphäre.

Content

- Einleitung zu Troposphäre/Stratosphäre als 'Reaktoren', Ozonverteilung und UV-Strahlung - Reaktionskinetische Grundlagen (thermische/photochemische Einzelreaktionen und radikalische Kettenreaktionen) - Stratosphärenchemie (Ozonabbau, -trends, Montrealer Protokoll) - Troposphärenchemie der Gasphase (NOx/VOC, Luftschadstoffe, Grenzschicht, Smog, globale Photochemie) - SO2 Oxidation und schadstoffbelastete Niederschläge - Aerosole - Global cycles, radiative forcing (IPCC, Global warming potentials)

Resources

Lecture Notes

Vorlesungsunterlagen (Folien) werden am Anfang des Semesters zur Verfügung gestellt.

General Information

Language: German
Levels: BSC , MSC
Frequency: Yearly recurring

Examination

Type: graded semester performance

Course Components

Type	Title	Time & Place	Hours
lecture with exercise	Atmosphärenchemie	Wed 10:15-12:00 (CHN F 42)	2 h weekly

Offered In

Earth Sciences Bachelor (Information about the Bachelor-studies: )
- 5. Semester Majors BSc
  - Major in Climate and Water: Electives
    - Major in Climate and Water: Core Courses (14 credits have to be acquired of the offered core courses from autumn and spring semester.)
Environmental Sciences Bachelor
- 5. Semester
  - Specialization in an Environmental System
    - Atmosphere and Climate
Environmental Sciences Master
- Major in Atmosphere and Climate
  - Prerequisites
Atmospheric and Climate Science Master
- Electives (The students are free to choose individually from the entire course offer of ETH Zürich and the universities of Zürich and Bern.)
  - Prerequisites (The definition of prerequisites is part of the admission procedure for the master studies. You are informed by the admission office as to what courses of the section «prerequisites» you have to catch up with. You are accredited for these courses in the electives block of the master studies.)