## Christoph Schär: Catalogue data in Autumn Semester 2020 |

Name | Prof. em. Dr. Christoph Schär |

Field | Climate and Water Cycle |

Address | Institut für Atmosphäre und Klima ETH Zürich, CHN L 12.1 Universitätstrasse 16 8092 Zürich SWITZERLAND |

Telephone | +41 44 632 81 99 |

schaer@env.ethz.ch | |

URL | http://www.iac.ethz.ch/people/schaer/ |

Department | Environmental Systems Science |

Relationship | Professor emeritus |

Number | Title | ECTS | Hours | Lecturers | |
---|---|---|---|---|---|

151-8007-00L | Urban Physics | 3 credits | 3G | J. Carmeliet, D. W. Brunner, A. Rubin, C. Schär, D. A. Strebel, H. Wernli, J. M. Wunderli, Y. Zhao | |

Abstract | Urban physics: wind, wind comfort, pollutant dispersion, natural ventilation, driving rain, heat islands, climate change and weather conditions, urban acoustics and energy use in the urban context. | ||||

Objective | - Basic knowledge of the global climate and the local microclimate around buildings - Impact of urban environment on wind, ventilation, rain, pollutants, acoustics and energy, and their relation to comfort, durability, air quality and energy demand - Application of urban physics concepts in urban design | ||||

Content | - Climate Change. The Global Picture: global energy balance, global climate models, the IPCC process. Towards regional climate scenarios: role of spatial resolution, overview of approaches, hydrostatic RCMs, cloud-resolving RCMs - Urban micro climate and comfort: urban heat island effect, wind flow and radiation in the built environment, convective heat transport modelling, heat balance and ventilation of urban spaces - impact of morphology, outdoor wind comfort, outdoor thermal comfort, - Urban energy and urban design. Energy performance of building quarters and cities, decentralized urban energy production and storage technologies, district heating networks, optimization of energy consumption at district level, effect of the micro climate, urban heat islands, and climate change on the energy performance of buildings and building blocks. - Wind driving rain (WDR): WDR phenomena, WDR experimental and modeling, wind blocking effect, applications and moisture durability - Pollutant dispersion. pollutant cycle : emission, transport and deposition, air quality - Urban acoustics. noise propagation through the urban environment, meteorological effects, urban acoustic modeling, noise reduction measures, urban vegetation | ||||

Lecture notes | The course lectures and material are provided online via Moodle. | ||||

Prerequisites / Notice | No prior knowledge is required. | ||||

401-5930-00L | Seminar in Physics of the Atmosphere for CSE | 4 credits | 2S | H. Joos, C. Schär | |

Abstract | In this seminar, the process of writing a scientific proposal will be introduced. The essential elements of a proposal, including the peer review process, will be outlined and class exercises will train scientific writing skills. Knowledge exchange between class participants is promoted through the preparation of a master thesis/semester project proposal and evaluation of each other's work. | ||||

Objective | |||||

651-2915-00L | Seminar in Hydrology | 0 credits | 1S | P. Burlando, J. W. Kirchner, S. Löw, C. Schär, M. Schirmer, S. I. Seneviratne, M. Stähli, C. H. Stamm, University lecturers | |

Abstract | |||||

Objective | |||||

651-4095-01L | Colloquium Atmosphere and Climate 1 | 1 credit | 1K | H. Joos, H. Wernli, D. N. Bresch, D. Domeisen, N. Gruber, R. Knutti, U. Lohmann, T. Peter, C. Schär, S. Schemm, S. I. Seneviratne, M. Wild | |

Abstract | The colloquium is a series of scientific talks by prominent invited speakers assembling interested students and researchers from around Zürich. Students take part of the scientific discussions. | ||||

Objective | The students are exposed to different atmospheric science topics and learn how to take part in scientific discussions. | ||||

651-4095-02L | Colloquium Atmosphere and Climate 2 | 1 credit | 1K | H. Joos, H. Wernli, D. N. Bresch, D. Domeisen, N. Gruber, R. Knutti, U. Lohmann, T. Peter, C. Schär, S. Schemm, S. I. Seneviratne, M. Wild | |

Abstract | The colloquium is a series of scientific talks by prominent invited speakers assembling interested students and researchers from around Zürich. Students take part of the scientific discussions. | ||||

Objective | The students are exposed to different atmospheric science topics and learn how to take part in scientific discussions. | ||||

651-4095-03L | Colloquium Atmosphere and Climate 3 | 1 credit | 1K | H. Joos, H. Wernli, D. N. Bresch, D. Domeisen, N. Gruber, R. Knutti, U. Lohmann, T. Peter, C. Schär, S. Schemm, S. I. Seneviratne, M. Wild | |

Abstract | The colloquium is a series of scientific talks by prominent invited speakers assembling interested students and researchers from around Zürich. Students take part of the scientific discussions. | ||||

Objective | The students are exposed to different atmospheric science topics and learn how to take part in scientific discussions. | ||||

701-0027-00L | Environmental Systems I | 2 credits | 2V | S. Bonhoeffer, N. Dubois, C. Schär | |

Abstract | The lecture provides a science-based exploration of environmental aspects from three research fields: earth, climate, and health sciences. | ||||

Objective | The students are able to explain important properties of environmental aspects in the areas of earth, climate and health sciences, to discuss critical drivers, trends and conflicts of their use, and to compare potential solutions. | ||||

Content | The lecture discusses the role of the environmental systems based on selected environmental problems, among these the exploration of raw materials and fossil fuels, climate change and its impacts on man and environment, and the spread and control of infectious diseases in the human population and agricultural systems. | ||||

Lecture notes | Slides are provided by instructors and are accessible via moodle. | ||||

701-0461-AAL | Numerical Methods in Environmental Sciences Enrolment ONLY for MSc students with a decree declaring this course unit as an additional admission requirement. Any other students (e.g. incoming exchange students, doctoral students) CANNOT enrol for this course unit. | 3 credits | 6R | C. Schär | |

Abstract | This lecture imparts the mathematical basis necessary for the development and application of numerical models in the field of Environmental Science. The lecture material includes an introduction into numerical techniques for solving ordinary and partial differential equations, as well as exercises aimed at the realization of simple models. | ||||

Objective | Overview of the potential and limitations of numerical models in the environmental sciences; Understanding of selected ordinary and partial differential equations; Knowledge of basic numerical methods for these equations; Ability to design and program simple numerical schemes. | ||||

Content | Classification of numerical problems, introduction to finite-difference methods, time integration schemes, non-linearity, conservative numerical techniques, an overview of spectral and finite-element methods. Examples and exercises from a diverse cross-section of Environmental Science. Three obligatory exercises, each two hours in length, are integrated into the lecture. The implementation language is Matlab (previous experience not necessary: a Matlab introduction is given). Example programs and graphics tools are supplied. | ||||

Lecture notes | Is provided (CHF 10.- per copy). | ||||

Literature | List of literature is provided. | ||||

701-0461-00L | Numerical Methods in Environmental Sciences | 3 credits | 2G | C. Schär | |

Abstract | This lecture imparts the mathematical basis necessary for the development and application of numerical models in the field of Environmental Science. The lecture material includes an introduction into numerical techniques for solving ordinary and partial differential equations, as well as exercises aimed at the realization of simple models. | ||||

Objective | Overview of the potential and limitations of numerical models in the environmental sciences; Understanding of selected ordinary and partial differential equations; Knowledge of basic numerical methods for these equations; Ability to design and program simple numerical schemes. | ||||

Content | Classification of numerical problems, introduction to finite-difference methods, time integration schemes, non-linearity, conservative numerical techniques, an overview of spectral and finite-element methods. Examples and exercises from a diverse cross-section of Environmental Science. Three obligatory exercises, each two hours in length, are integrated into the lecture. The implementation language is Python (previous experience not necessary: a Phython introduction is given). Example programs and graphics tools are supplied. | ||||

Lecture notes | Per Web auf http://www.iac.ethz.ch/edu/courses/bachelor/vertiefung/numerical-methods-in-environmental-physics.html | ||||

Literature | List of literature is provided. | ||||

701-1257-00L | European Climate Change | 3 credits | 2G | C. Schär, J. Rajczak, S. C. Scherrer | |

Abstract | The lecture provides an overview of climate change in Europe, from a physical and atmospheric science perspective. It covers the following topics: • observational datasets, observation and detection of climate change; • underlying physical processes and feedbacks; • numerical and statistical approaches; • currently available projections. | ||||

Objective | At the end of this course, participants should: • understand the key physical processes shaping climate change in Europe; • know about the methodologies used in climate change studies, encompassing observational, numerical, as well as statistical approaches; • be familiar with relevant observational and modeling data sets; • be able to tackle simple climate change questions using available data sets. | ||||

Content | Contents: • global context • observational data sets, analysis of climate trends and climate variability in Europe • global and regional climate modeling • statistical downscaling • key aspects of European climate change: intensification of the water cycle, Polar and Mediterranean amplification, changes in extreme events, changes in hydrology and snow cover, topographic effects • projections of European and Alpine climate change | ||||

Lecture notes | Slides and lecture notes will be made available at http://www.iac.ethz.ch/edu/courses/master/electives/european-climate-change.html | ||||

Prerequisites / Notice | Participants should have a background in natural sciences, and have attended introductory lectures in atmospheric sciences or meteorology. |