academic article

• Discharge–calcium concentration relationships in streams of the Amazon and Cerrado of Brazil: soil or land use controlled.  Biogeochemistry Biogeochemistry.  105:19-35. 2011
• Runoff sources and land cover change in the Amazon: an end-member mixing analysis from small watersheds.  Biogeochemistry Biogeochemistry.  105:7-18. 2011
• A review of green- and blue-water resources and their trade-offs for future agricultural production in the Amazon Basin: what could irrigated agriculture mean for Amazonia?.  Hydrology and Earth System Sciences.  20:2179-2194.