GEF 4400 / GEF9400 The Earth System Jón Egill Kristjánsson (Jon Egil) Kirstin Krüger (Kicki) Objectives • Basics of the Earth System with an emphasis on interactions between its components (atmosphere, hydrosphere, cryosphere, biosphere) • Observed changes in the state of the Earth System will be presented and discussed • Current Earth System Models will be introduced and their capabilities and limitations will be discussed • Projected future climate change based on multi-model simulations will be highlighted Learning goals • Have insight into ongoing and projected changes in the Earth’s climate, and associated uncertainties • Be familiar with the methods used in climate science • Be familiar with the concept of the Earth System and key processes governing interactions between its main components. • [Have experience in presenting topics in Earth System Science orally and in written form] GEF4400 “The Earth System” – Autumn 2015 24.08.2015 GEF4400 “The Earth System” Prof. Jón Egill Kristjánsson, Prof. Kirstin Krüger (UiO) • • • Lecture/ interactive seminar and field excursion Teaching language: English Time and location: Monday 12:15-14:00 Thursday 14:15-16:00, CIENS Glasshallen 2. Study program Master of meteorology and oceanography PhD course for meteorology and oceanography students Credits and conditions: The successful completion of the course includes an oral presentation (weight 50%), a successful completion of the Andøya field excursion (mandatory), a field report, as well as a final oral examination (50%). Student presentations will be part of the course. 4 GEF4400 “The Earth System” – Autumn 2015 24.08.2015 GEF4400 – time plan • Choose topic talk: 31 August 2015 • Preparation of topic talks: during September 2015 • How to present – intro: tba • Topic talk (20 min) is part of the lecture and will be presented within the lecture time on selected dates. PhD students have to give two topical talks and additionally have to write a topic summary Special guest talk: tba • • Method: interactive lecture with active participation by the students (oral presentations, discussions, field excursion) • Exams: Oral presentation and oral exam, delivery of field report; PhD students have to give 2 oral presentations and deliver a written topic summary. • How to write a topic summary: tba. 5 GEF4400 “The Earth System” – Autumn 2015 24.08.2015 GEF4400 – material Lecture slides, presentations and relevant papers and will be put on the following UiO links, where you can download them: folk.uio.no/jegill/gef4400 folk.uio.no/kkrueger • Lecture material: IPCC Fifth Assessment Report (2013): “Climate Change 2013: The Physical Science Basis” - Chapters 2, 3, 4, 5, 6, 7, 8, 12 - https://www.ipcc.ch/report/ar5/wg1/ 6 Time table Glasshallen 2, CIENS: Man 12:15-14:00 Tor 14:15-16:00 Chapter 2: Observations - Atmosphere JEK 24.08.2015 JEK 27.08.2015 Chapter 2: Observations - Atmosphere JEK 31.08.2015 JEK 03.09.2015 Chapter 4: Cryosphere JEK 07.09.2015 JEK 10.09.2015 Chapter 3: Observations - Ocean KK 14.09.2015 KK 17.09.2015 Chapter 3: Observations - Ocean KK 21.09.2015 KK 24.09.2015 Chapter 6 and Chapter 7 KK 28.09.2015 JEK 01.10.2015 Chapter 7: Clouds and Aerosols JEK 05.10.2015 JEK 08.10.2015 Chapter 8: Radiative Forcing JEK 12.10.2015 JEK 15.10.2015 Andøya JEK 19.10.2015 JEK 22.10.2015 Chapter 8: Radiative Forcing JEK 26.10.2015 KK 29.10.2015 Chapter 6: Biogeochemistry KK 02.11.2015 KK 05.11.2015 Chapter 5: Paleoclimate KK 09.11.2015 KK 12.11.2015 Chapter 12: Long-term Climate Change KK 16.11.2015 KK 19.11.2015 Chapter 12: Long-term Climate Change KK 23.11.2015 KK 26.11.2015 Oral Exam: During 1-4 December IPCC WG1 AR5 [Chapter 1: Introduction: 29 pages (excluding summary and references)] Chapter 2: Observations - Atmosphere: 73 pages Chapter 3: Observations - Ocean: 43 pages Chapter 4: Cryosphere: 48 pages Chapter 5: Paleoclimate: 68 pages Chapter 6: Biogeochemistry: 83 pages Chapter 7: Clouds and Aerosols: 60 pages Chapter 8: Radiative Forcing: 77 pages [Chapter 9: Evaluation of Climate Models: 82 pages] [Chapter 10: Detection and Attribution: 68 pages] [Chapter 11: Near-term Climate Change: 57 pages] Chapter 12: Long-term Climate Change: 86 pages [Chapter 13: Sea-level Change: 84 pages] [Chapter 14: Climate Phenomena: 68 pages] Required for admission • MNHMS0015FS (field safety course) • GEF 2200 Atmospheric Physics How-to-present GEF4400 - 2015 How to present 10 How-to-present GEF4400 - 2015 Presentations should be… • …not longer than 20 min plus ~15 min for discussions/questions; • …easy to understand by other students and an interdisciplinary audience; • …an introduction to and summary of the given topic (provided and additional literature can be used). Please provide your presentation as PDF (alternatively PPT) to us per email j.e.kristjansson@geo.uio.no or kkrueger@geo.uio.no . 11 How-to-present GEF4400 - 2015 Your 20 min presentation will be graded. Criteria include: • Introduction and Motivation to the topic • Content; most important points become clear? • Organization and Clarity • Presentation design and timing • Summary and Discussion (including answers to the questions) Soon (tba) you will get more details about “how to present”. You will get your mark at the end of the course. 12 How-to-present GEF4400 - 2015 Overall structure of the talk Beginning part: • Welcome audience, introduce yourself • Goal, topic and structure of the presentation Main part: • Presentation of the idea (product) • Present it for the specific audience Final part: • Summary/ Discussion • Recommendations, outlook • „Thank you“ for attention 13 How-to-present GEF4400 - 2015 Talk preparation (20 min talk): 1. Title (1 slide, ca. 2 min.): • Title of publication, authors, affiliation (university, research organization) • Your name, UiO logo, seminar name, date • Mention briefly: what is the paper about? 2. Introduction (1 slide, ca. 2 min.): • Paper background (motivation): why is this topic relevant? • Status: what is known so far, introduce basics making it easier for audience to follow the talk • Outline (on top/bottom of the slides?) 14 How-to-present GEF4400 - 2015 Talk preparation (20 min talk): 3. Main part (5-6 slides, ca. 14 min.): - Methods (data, models used, consider and discuss limitations) - Results and Interpretation -central result(s), comparison with earlier work, differences from other work): -interpretation: argumentation and consequences, new findings, etc.) 4. Final part (1 slide, ca. 2 min.): - Summary of presented results: interpretation, consequences, discussion, outlook 15 How-to-present GEF4400 - 2015 Talk preparation: Do’s and don’ts! 16 Visibility please use colors/backgrounds that are easily visible sometimes a larger font size helps but sometimes light colors are not better 17 Figures 150 100 50 0 0 10 time [sec] 20 30 40 50 60 70 Source et al. (2010) • Title • Axis label: size, name (variable), unit • Reference 18 Ein sagt mehr als tausend Worte. A says more than 103 words. use instead of Q: do I want to do this? if no -> don‘t do it if yes -> Will it likely end in disaster? if no -> do it if yes -> does it make a story? if no -> don‘t do it if yes -> do it 19 Use of bullet points cell division rate [n time-1] My favorite result 150 100 50 0 0 10 time [sec] 20 30 40 50 60 70 • To remind you of something important • you can put little bullet points on your slides • which is better than looking at paper notes • and it also guides the audience through the most important points. 20 Rule of thumb: maximum one slide per minute Slide 1 Slide 2 Slide 3 Slide 4 too fast 0 10 20 time [seconds] better 0 time [minutes] 2 30 40 50 4 60 70 6 80 90 8 21 Stick to your time limit 0 time [minutes] 20 40 22 Some examples - What is good? - What is not so good? 23 24 25 How-to-write a topic summary GEF4400 - 2015 How to write 26 How-to-write a topic summary GEF4400 - 2015 Topic summaries should be… • …not longer than 2 pages. • …easy to understand by other students and yourself. • …exchange with the topic presenter. •…clearly related to the GEF4400 course. Please provide your summary as a PDF to us per email jegill@geo.uio.no or kkrueger@geo.uio.no (delivery date tba). . 27 How-to-write a topic summary GEF4400 - 2015 Your topic summary written in English is mandatory for PhD students. You will get individual feedback back from us. The following should be included within 2 pages: • Topic title and name • Introduction (2-3 sentences) • Data and Method (short) • Results including picture(s) (up to 2/3) • Summary (and Discussion) (up to 1/3) References (extra listed at the end) 28 How-to-write a topic summary GEF4400 - 2015 What is important for the writing exercise? • It can be good training for YOUR Master/ PhD thesis. • Structure: use the given format. • Content; most important points become clear? • Writing style: typos and grammar. • Take home message of the topic becomes transferred to the readers. • Clear link to the GEF4400 course. 29 How-to-write a topic summary GEF4400 - 2015 Topic summary format • • • • • 2 page limit wo references Use Arial, 11 pt, 1.0 line spacing, justify single column Normal size paper edges (2.5 cm edges). Include title of the topic summary, your name and date. Include the following sections: 1. Introduction, 2. Data and Method, 3. Results, 4. Summary/Discussion and References. • If including picture(s) they have to be readable and sharp! • Use boldface for the section titles. • Reference go extra, use Arial 10 pt. 30 How-to-write a topic summary GEF4400 - 2015 References • List alphabetically and then by years: 1. Alfonso et al. (2009) before Alfonso et al. (2010). 2. Add the full co author list, title, journal, volume and year: e.g. “Robock, A., T. Adams, M. Moore, L. Oman, and G. Stenchikov (2007), Southern Hemisphere atmospheric circulation effects of the 1991 Mount Pinatubo eruption, Geophys. Res. Lett., 34, L23710, doi:10.1029/2007GL031403.” • Cited in the text like: „The figure shows… (Randel et al., 2011)“ or „Randel et al. (2011) has shown that…“. 31 Topic presentations (mentored by KK) Chapter 3: Observations: Ocean 3.1) Global warming hiatus: IPCC Chapter 3 and updated papers afterwards 3.2) El Nino effects on global climate: IPCC Chapter 3, 1997 El Nino paper(s), current El Nino development Chapter 5: Paleoclimate archives 5.1) Polar amplification in the past (IPCC chapter 5, updated papers) 5.2) Can volcanism lead to glaciation? (IPCC chapter 5; Robock et al 2009; Tmmreck et al 2010; and updated papers) Chapter 6: Carbon and other biogeochemical cycles 6.1) Causes and relevance of Southern Ocean circulation changes? (IPCC chapter 6; updated papers; Son et al 2009) 6.2) Causes and relevance of oxygen minimum zones (affected by climate change)? (IPCC chapter 6 and updated papers since then) Chapter 12: Long-term climate change 12.1) ENSO changes in a future climate? (IPCC Ch. 12; Cai et al 2014; updated papers) 12.2) tba 32 Topic presentations (mentored by JEK) Chapter 2: Observations: Atmosphere 2.1) How is the hydrological cycle changing and why? 2.2) Arctic amplification of global warming Chapter 4: Cryosphere 4.1) The Greenland ice sheet 4.2) Stability of the Antarctic ice sheet Chapter 7: Clouds and Aerosols 7.1) What is the sign of the Cloud Feedback? 7.2) Basic aspects of Aerosol-Cloud Interactions Chapter 8: Radiative Forcing 8.1) Has Solar Activity contributed significantly to Global Warming? 8.2) CO2 doubling 33