MIT ESD 342 - Team Structure in Climate Change Research (26 pages)

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Team Structure in Climate Change Research



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Team Structure in Climate Change Research

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Pages:
26
School:
Massachusetts Institute of Technology
Course:
Esd 342 - Network Representations of Complex Engineering Systems
Network Representations of Complex Engineering Systems Documents

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Team Structure in Climate Change Research Travis Franck Robert Nicol Jaemin Song ESD 342 Franck Nicol Song 2006 Page 1 Agenda Introduction Update from 2nd Presentation Results of Network Analysis Characteristics of entire network Characteristics of individual volume Lessons for international research projects ESD 342 Franck Nicol Song 2006 Page 2 IPCC Report Preparation Process IPCC approves outline Government and organizations Nominate experts 1990 IPCC First Assessment Report 1995 IPCC First Assessment Report 2001 IPCC First Assessment Report Bureaux select authors Authors prepare draft Expert review Images removed for copyright reasons Volumes of Climate Change 2001 Authors prepare final draft Government review WG accepts approves report and publish ESD 342 Franck Nicol Song 2006 Page 3 Motivation Explore team collaborations on a global research effort to understand climate change Identify relevant influence metrics Use metrics to identify key players Extract key relationships from citation Network Test hypothesis of IPCC social network formation ESD 342 Franck Nicol Song 2006 Page 4 Analysis of the Entire IPCC Report ESD 342 Franck Nicol Song 2006 Page 5 Entire Network of authors 17901 of edges 71341 k 3 98 ESD 342 Franck Nicol Song 2006 Page 6 Cluster Coefficients Result Cluster Coeff Pajek CC1 0 022191 Biology Newman 2001 0 066 Physics Newman 2001 0 414 Not highly clustered Lower clustering than other co authorship studies Note Most likely different equations so might not be directly comparable ESD 342 Franck Nicol Song 2006 Page 7 Power Law Check Degree Distribution in Log Log 1 Density 0 1 0 01 0 001 1 10 100 1000 k Degree Distribution Fit Possible reason Restricted set of papers ESD 342 Franck Nicol Song 2006 Page 8 Top 20 Table Centrality Author Betweeness T M L Wigley 0 02930 R Leemans 0 01589 C Rosenzweig 0 01510 J F B Mitchell 0 01465 J E Penner 0 01402 I C Prentice 0 01373 P D Jones 0 01132 M E Schlesinger 0 01089 J A Patz 0 01081 M Heimann 0 01068 F S



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