slides:\u00a0<\/strong> Belanger OLLI week2 slides<\/a>\u00a0pptx; Belanger OLLI week2 slides<\/a>\u00a0 pdf —\u00a0posted\u00a09\/22\/2015<\/p>\n Handout<\/strong> –\u00a0handouts week 2<\/a><\/p>\n Further explanation of Isotopic fractionation: 2 slides:\u00a0O18 fractionation<\/a>; supplemental article to explain:\u00a0isotopes explained L16-N<\/a><\/strong><\/p>\n More recent past: 180-280 part per million; how do we know \u2013 empirical data. Preview of next week\u2019s field trip<\/p><\/blockquote>\n<\/li>\n Climate change records are vital in understanding our climate; in the past, in the present and in the future. The Met Office has a useful\u00a0link<\/a> summary that you should read to develop your understanding. (http:\/\/www.metoffice.gov.uk\/climate-change\/guide\/science\/explained\/observations<\/a> )<\/p>\n Volcanic activity plays a major role in climate cooling. Find out more about how aerosols affect global temperatures. We recommend this link<\/a>\u00a0to NASA\u2019s Earth Observatory website. (http:\/\/earthobservatory.nasa.gov\/Features\/Aerosols\/<\/a> )<\/p>\n To answer help you to answer this question we recommend this\u00a0link<\/a>\u00a0to NASA\u2019s Earth Observatory website. (http:\/\/earthobservatory.nasa.gov\/Features\/GlobalWarming\/page3.php<\/a> )<\/p>\n To help you to answer this question we recommend this\u00a0link<\/a>\u00a0to NASA\u2019s Goddard Institute for Space Studies.<\/p>\n (http:\/\/www.giss.nasa.gov\/research\/briefs\/schmidt_01\/<\/a> )<\/p>\n This\u00a0link<\/a>\u00a0to the Science of Tree Rings website allows you to delve into more detail, discovering how trees have been used to reconstruct different climate variables across the world. It provides you with an understanding of the key principles of tree ring dating (including cross dating and replication). (http:\/\/web.utk.edu\/~grissino\/principles.htm#1<\/a> )<\/p>\n To help you to answer this question we recommend this\u00a0link<\/a>\u00a0to NASA\u2019s Earth Observatory. (http:\/\/www.earthobservatory.nasa.gov\/Features\/Paleoclimatology_IceCores\/<\/a> )<\/p>\n Dr. Jeff Masters, Director of Meteorology, The Weather Underground, LLC;<\/strong> Earth\u2019s Climate: Where are we at, and where are we headed (click here: PowerPoint-11Mb<\/a>\u00a0or PDF-4Mb<\/a>)<\/p>\n","protected":false},"excerpt":{"rendered":" OLLI \u2013 WEEK 2, September 22, 2015:\u00a0Earth\u2019s past climate and what caused those changes slides:\u00a0 Belanger OLLI week2 slides\u00a0pptx; Belanger OLLI week2 slides\u00a0 pdf —\u00a0posted\u00a09\/22\/2015 Handout –\u00a0handouts week 2 Further explanation of Isotopic fractionation: 2 slides:\u00a0O18 fractionation; supplemental article to … Read More »<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":1790,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"_links":{"self":[{"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/pages\/1219"}],"collection":[{"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1219"}],"version-history":[{"count":19,"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/pages\/1219\/revisions"}],"predecessor-version":[{"id":1302,"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/pages\/1219\/revisions\/1302"}],"up":[{"embeddable":true,"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=\/wp\/v2\/pages\/1790"}],"wp:attachment":[{"href":"https:\/\/denverclimatestudygroup.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1219"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}LINKS to week\u00a02 CONTENT:<\/strong><\/h3>\n
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Earth\u2019s deep past before the Cambrian (600 MaBP): hot and cold – Snowball Earth:<\/h3>\n<\/li>\n<\/ul>\n
Article Link: BBC Nature http:\/\/www.bbc.co.uk\/nature\/ancient_earth\/Snowball_Earth<\/a><\/h4>\n
You Tube: https:\/\/www.youtube.com\/results?search_query=snow+ball+earth<\/a><\/h4>\n
Google Snowball earth for other links; also see links within pptx above<\/h4>\n
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Earth\u2019s past: Cambrian onward: mostly hot-house Earth;\u00a0 100s parts per million (ppm)\u00a0A human induced climate-GSAtoday2012-02<\/a><\/h3>\n<\/li>\n
Climate trend in the Cenozoic \u2013 the last 65 million years; proxy data from 3600ppm to <200 ppm.<\/h3>\n<\/li>\n
Today: 400 ppm and growing 2-3ppm\/year<\/h3>\n<\/li>\n
Timing and climatic consequences of the opening of Drake Passage:\u00a0Science-2006-Scher-428-30<\/a><\/strong><\/h3>\n<\/li>\n<\/ul>\n
\nCURRENT TOPICS – this week:<\/strong><\/h3>\n
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\nPoint: George Will:\u00a0Francis\u2019 fact-free flamboyance – The Denver Post, 2015-09-20<\/a><\/strong><\/li>\n
\n<\/a><\/strong><\/li>\n
\nFOR THE AMBITIOUS:\u00a0<\/strong><\/span>\u00a0Other links:<\/strong><\/h1>\n
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Recommended reading (2.5):<\/strong><\/h3>\n
What are climate change records?<\/h3>\n
How do volcanoes affect climate change?<\/h3>\n
How is today\u2019s warming different from the past?<\/h3>\n
What is the role of isotopes in determining temperatures from the past?<\/h3>\n
How have trees been used to reconstruct different climate variables across the world?<\/h3>\n
How can ice cores provide a record of atmospheric composition?<\/h3>\n
\nArticles and PowerPoints \/PDFs thanks to Stan Hamilton and Martin Volker – from 2014\u00a0course:<\/strong><\/h3>\n
Economist article Stan is sharing with us: first one a prelude to the other 2:<\/h3>\n
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