Journal
LIMNOLOGY
Volume 11, Issue 2, Pages 155-166Publisher
SPRINGER JAPAN KK
DOI: 10.1007/s10201-009-0305-5
Keywords
Amazon floodplain lakes; Spatiotemporal patterns of limnological parameters; Ordinary kriging; Remote sensing; Spatial modeling
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Funding
- FAPESP (Fundacao de Amparo a Pesquisa do Estado de Sao Paulo) [2003/06999-8]
- Geoma Network
- NASA [LBA-LC-07]
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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.
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