Affiliation: | 1. Departamento de Geografía, Universidad Alberto Hurtado, Cienfuegos 41, Santiago, Chile;2. Department of Geography, Friedrich Schiller University, Jena, Löbdergraben 32, 07737 Jena, Germany;1. Virginia Tech, College of Natural Resources and Environment, Geography Department, 115 Major Williams Hall, Blacksburg, VA 24061, USA;2. U.S. Environmental Protection Agency, National Exposure Research Laboratory, 109 T.W. Alexander Drive, Research Triangle Park, NC 27711, USA |