PPT-How do we know about the climate 150,000 years ago?

Are they using time machines Are scientists making stuff up Climate data of the past Actual Measurements Humans have been recording climate using instruments for only the past 100200 years. Definitions. Weather:. State of the atmosphere at a particular point in time.. Look outside.. Climate:. The accumulation of “weather” (atmospheric state) over a longer time period.. Look outside for a really long time and do statistics. . 3. Data and proxy data. Present . signs . of climate . change. Ocean . acidification. Tuesday September 29th, . 2015. Paul E. Belanger, Ph.D.. Data and proxy data. Data: Measurements – present and past. Michelle Letendre, Evan Wise, Chance Snow, Mary James, Sara Smith, . Cristy. . Echaves. The black curve shows the northern hemisphere temperature in a climate model. . Climate and Human Evolution. Radiometeric. 5. Brief history of climate: causes and mechanisms. Climate . system dynamics and . modelling Hugues Goosse. Chapter 5 Page . 2. Outline. . Investigation of the . role of . the external . Control. Jim Fleming. Colby College. http://. youtu.be. /nWi8OB3EtOs. . Historically . informed metaphors and evocative visual images reveal attitudes and assumptions about climate control otherwise hidden by technical language and scientific diagrams. This presentation examines the metaphorical claims of planetary surgeons and, through images of planetary control, renders the unimaginable at least visible.. Results from the Physics Department. NOAA/NSF Greenland site. Thomas A . C. ahill and the . UC . Davis . DELTA. *. Group (1994- present). . Dr. David Barnes (until 2015), typically 1 or 2 grad students, 2 Physics and 2 Engineering UG . Goosse. , . Hugues. , 2015: . Climate System Dynamics and Modelling. , (Cambridge University Press, Cambridge, UK), 378 pp.. Chapter 5 Page . 2. Reconstructing past climates. Dating methods. Annual layer counting.. The Little Ice Age. “some knights who were sitting on a magnificently outfitted horse gave the horse and their weapons away for cheap wine and they did so because they were so terribly hungry”.. petercarter46@shaw.ca. From up to date climate and ocean evidence with updated UN emissions projections, the time is now for science to recommend an immediate massive effort on CO2. . Risk of Multiple Interacting Tipping Points Should Encourage . Climate is influenced by a variety of processes, including geologic processes. Volcanism. Sea-floor spreading. Configuration of landmasses due to plate tectonics. Climate changes impact geologic processes. Are We Headed for Near Term Human Extinction (NTHE)?. Richard . Nolthenius. , PhD – Astronomy – Cabrillo College. Guy McPherson’s Claims. Former University of Arizona professor of Ecology Guy McPherson has many YouTube interviews (you can start here, . Are We Headed for Near Term Human Extinction (NTHE)?. Richard . Nolthenius. , PhD – Astronomy – Cabrillo College. Guy McPherson’s Claims. Former University of Arizona professor of Ecology Guy McPherson has many YouTube interviews (you can start here, . Strategies. A talk given to the Santa Cruz Astronomy Club Nov 14, 2013. Richard Nolthenius, PhD. Chair – Astronomy Department, Cabrillo College. Is there a Scientific Controversy about the Cause of Global Warming?. causeS. , EFFECTS . and . RESPONSES. Sunday, 24 May 20. What will we be investigating?. 1.How has our climate changed?. 2.What are the causes of global warming? . 3.What are the consequences of climate change for people and environments?.