Environmental Geochemistry in Tropical and Subtropical Environments

1 Regional Climate Changes: Where and How?.- 2 Palaeoenvironmental Reconstruction Based on Lacustrine Organic Matter: Examples from the Tropical Belt of South America and Africa.- 3 Catchment-Lagoon-Estuary-Coast Interactions of the Patos-Mirim System, South Brazil.- 4 Relationships between Simultaneous Methane, Nitrous Oxide and Carbon Dioxide Fluxes and Surface Soil Humidity and Temperature in the Mata Atl
ntica Subtropical Forest, Brazil.- 5 Modern Strategies for Environmental Sample Preparation and Analysis.- 6 The Importance of Assessing Uncertainties Related to Linear Calibration Curves: A Case Study for Flame Atomic Absorption Spectrometry.- 7 Characterisation and Sources of Nonpolar Lipids in Aerosols over the City of Rio de Janeiro.- 8 Determining the Provenience of Prehistoric Ceramic Artefacts from the Amazon Basin Using Geochemical Tracers.- 9 Exploring the Cation Exchange Capacity of Massapé Paulistana Vermiculite for Heavy Metal Removal from Aqueous Solutions.- 10 Variation of Heavy Metal Content with Depth in Sabana de Bogotá Soils.- 11 Acid Drainage of Coal Mining in Cundinamarca Department, Colombia.- 12 Mercury Pollution in Ghana: A Case Study of Environmental Impacts of Artisanal Gold Mining in Sub-Saharan Africa.- 13 Assessment of Water Quality in the Area of Colima Volcano (Colima, Mexico).- 14 The Pacific and Caribbean Rivers of Colombia: Water Discharge, Sediment Transport and Dissolved Loads.- 15 Reactive Processes of Organic Matter in the Amazon River.- 16 Distribution of Organic Carbon and Nitrogen in Particulate, Colloid and Dissolved Phases from the Amazon River System.- 17 Relationship of Metal Contaminants with Acid-Volatile Sulphides (AVS) in Tropical Estuarine Sediments: Potential Influence on Metal Distribution and Bioavailability.- 18 Modelling of Circulation and Water Exchange in a Hypersaline Coastal Lagoon: Lagoa de Araruama, Brazil.- 19 Sediment Oxygen and Nutrient Fluxes in Three Estuarine Systems of South-Eastern Brazil.- 20