CAMPINAS 2016I would like to offer my gratitude to my advisor Prof. Jansle and my co-advisor Profa. Julieta.Many thanks for guiding my steps and sharing their knowledge during this time. A special acknowledgment to Prof. Chris Brown, my advisor at the University of Kansas, who is a role model of Geographer, teacher, and researcher.I would also like to acknowledge the funding that supported my research and fieldwork: