The compositional evolution of dissolved and particulate organic matter along the lower Amazon River—Óbidos to the ocean - Ward, Nicholas D; Krusche, Alex Vladimir; Sawakuchi, Henrique Oliveira; Brito, Daímio Chaves; Cunha, Alan; Moura, José Mauro Sousa de; Silva, Rodrigo da; Yager, Patricia L.; Keil, Richard G; Richey, Jeffrey Edward (Marine Chemistry, 2015)