Geospatial analysis of spatiotemporal patterns of pH, total suspended sediment and chlorophyll-a on the Amazon floodplain

Autor(es)

Faria Barbosa, Claudio Clemente ^[1] ; Leao de Moraes Novo, Evlyn Marcia ^[1] ; Melack, John M. ^[2] ; Gastil-Buhl, Mary ^[3] ; Pereira Filho, Waterloo ^[4]

Afiliação do(s) autor(es)

^[1] Inst Nacl Pesquisas Espaciais, BR-12227010 Sao Paulo - Brazil

^[2] Univ Calif Santa Barbara, Bren Sch Environm Sci & Management, Santa Barbara, CA 93106 - USA

^[3] Univ Calif Santa Barbara, Inst Computat Earth Syst Sci, Santa Barbara, CA 93106 - USA

^[4] Univ Fed Santa Maria, Dept Geog, BR-97105900 Santa Maria, RS - Brazil

• Tipo de documento: Artigo Científico
• Fonte: LIMNOLOGY; v. 11, n. 2, p. 155-166, AUG 2010.
• Citações Web of Science: 14

Resumo

We applied spatial data analysis and geostatistical procedures to pH, total suspended sediment and chlorophyll-a concentration data gathered on an Amazon floodplain lake. Variographic analysis and ordinary kriging interpolation were used to identify and describe spatiotemporal patterns of variability in these parameters, which are relevant to understand the dynamics of water circulation on the floodplain lake. In spite of the complexity of the processes underlying the spatiotemporal patterns, this approach demonstrated that the heterogeneity in the seasonal water composition is forced not only by the Amazon River flood pulse, but also by the lake bottom topography and the wind intensity. (AU)

• Processo FAPESP: 03/06999-8 - Estudo da dinâmica de circulação da água entre sistemas lóticos, lênticos e a planície de inundação
• Beneficiário: Evlyn Márcia Leão de Moraes Novo
• Modalidade de apoio: Auxílio à Pesquisa - Regular