Phyc 40050 environmental physics pliocene liocene

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Unformatted text preview: PHYC 40050 Environmental Physics Pliocene liocene Research, esearch, Interpretation nterpretation and and Synoptic ynoptic Mapping apping Feb SST Elevation Land Cover Sea Ice Aug SST PHYC 40050 Environmental Physics 2005 2005 - Warmest Year on Record Warmest Year on Record 4 PHYC 40050 Environmental Physics CAUSE EFFECT PROCESS PROCESS PROCESS PROCESS PROCESS PROCESS PHYC 40050 Environmental Physics While I am prepared to accept that there may be global warming, nothing I have seen shows a causal connection. Tim, UK One of the most persistent arguments made by those who do not believe that climate change is caused by human activity is that there is "no consensus" amongst climatologists about this. Tim Dennell, Sheffield, United Kingdom Five hundred years ago the scientific consensus was that the world was flat. Thirty years ago, we were about to enter another ice age. Twenty years from now we will all have a good laugh about "global warming". Thumper31 Climate Sceptics (from BBC website) PHYC 40050 Environmental Physics Cartesian Grid General Circulation Models Cartesian Grid General Circulation Models (Henderson-Sellers, 1985) (Hansen et al., 1983) The GCM in EdGCM: GISS Model II PHYC 40050 Environmental Physics Climate Model Parameterizations PHYC 40050 Environmental Physics GISS Global Climate Model Grid Resolutions 8 ° X 10 ° 4 ° X 5 ° 2 ° X 2.5 ° PHYC 40050 Environmental Physics GCM Boundary Condition Data Files GCM Boundary Condition Data Files SST JAN DEC SEA-ICE JAN DEC VEG SEA LEVEL TOPO- GRAPHY A GCM boundary condition set consists of global scale data sets on a latitude by longitude grid. 5 PHYC 40050 Environmental Physics Paleogeography Throughout Earth History Cretaceous Cretaceous Jurassic Jurassic Paleocene Paleocene Pliocene Pliocene (180 Ma) (180 Ma) (100 Ma) (100 Ma) (58 Ma) (58 Ma) (3 Ma) (3 Ma) PHYC 40050 Environmental Physics Prescribed Climate Forcings • Solar Luminosity • Orbital Parameters • Radiatively Significant Trace Gases • Volcanic Aerosols • Other Natural and Anthropogenic Aerosols PHYC 40050 Environmental Physics Ed Ed GCM Project Objectives GCM Project Objectives 1) 1) Allow teachers to run a NASA global climate Allow teachers to run a NASA global climate model on a desktop computer, model on a desktop computer, encouraging encouraging students to participate in the full scientific students to participate in the full scientific process...
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