CLIMATE CHANGE AND THE POTENTIAL FOR CONFLICT AND EXTREME MIGRATION IN THE ANDES: A COMPUTATIONAL APPROACH FOR INTERDISCIPLINARY MODELING AND ANTICIPATORY POLICY-MAKING by Jose Manuel Magallanes Reyes A Dissertation Submitted to the Graduate Faculty of George Mason University In Partial fulfillment of The Requirements for the Degree of Doctor of Philosophy Computational Social Science Committee: Dr. Claudio Cioffi, Dissertation Director Dr. Qing Tian, Committee Member Dr. William Kennedy, Committee Member Dr. Kevin Curtin, Department Chairperson Dr. Donna M. Fox, Associate Dean, Office of Student Affairs & Special Programs, College of Science Dr. Peggy Agouris, Dean, College of Science Date: Fall Semester 2015 George Mason University Fairfax, VA