Spatiotemporal variability and differentiation between anthropogenic and natural contamination of heavy metals of surface water: a case study in the Cordillera Blanca, Peru

Alexandre Guittard1, Michel Baraer2, Jeffrey M McKenzie3, Bryan G Mark4, Alfonso Fernandez5, Elizabeth M Walsh6 and Angelino Berly Santos1, (1)Ecole de Technologie Superieur, Montreal, QC, Canada, (2)École de Technologie Supérieure, Montreal, QC, Canada, (3)McGill University, Earth and Planetary Sciences, Montreal, QC, Canada, (4)School of Earth Sciences, The Ohio State University, Columbus, OH, United States, (5)Ohio State University Main Campus, Columbus, OH, United States, (6)San Jose State University, Meteorology & Climate Sciences, San Jose, United States