Journal
JOURNAL OF SOUTH AMERICAN EARTH SCIENCES
Volume 95, Issue -, Pages -Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.jsames.2019.102265
Keywords
Aquatic system; Remote sensing; Statistical algorithm; Sentinel-2 mission; Water quality
Categories
Funding
- CONICET
- Agencia Nacional de Promocion Cientifica y Tecnologica [PICT - 1408]
- SECyT-UNRC (Secretarfa de Ciencia y Tecnica, Universidad Nacional de Rfo Cuarto) [18A369]
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The new Sentinel-2 satellites present a significant scientific opportunity for the study of water quality. The objective of this study was to evaluate the suitability of Sentinel-2 imagery for estimating and mapping Secchi disk transparency (SDT) in Rio Tercero reservoir (Cordoba-Argentina). Field observations and a dataset of atmospherically corrected Sentinel-2 images were used to generate and validate an algorithm to estimate water clarity in the studied reservoir. As a real application of the used methodology, the validated algorithm was used to obtain a spatial representation of water clarity in the reservoir during sampling campaigns. Results demonstrate capabilities of Sentinel-2 mission to make a substantial contribution to the current assessment and understanding of aquatic systems by estimating and mapping a water quality characteristic.
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