Articles | Volume 22, issue 8
Hydrol. Earth Syst. Sci., 22, 4349–4380, 2018
https://doi.org/10.5194/hess-22-4349-2018
Hydrol. Earth Syst. Sci., 22, 4349–4380, 2018
https://doi.org/10.5194/hess-22-4349-2018

Research article 20 Aug 2018

Research article | 20 Aug 2018

Surface water monitoring in small water bodies: potential and limits of multi-sensor Landsat time series

Andrew Ogilvie et al.

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Short summary
Accurate monitoring of surface water extent is essential for hydrological investigation of small lakes (1–10 ha), which supports millions of smallholder farmers. Landsat monitoring of long-term surface water dynamics is shown to be suited to lakes over 3 ha based on extensive hydrometric data from seven field sites over 15 years. MNDWI water classification optimized here for the specificities of small water bodies reduced mean surface area errors by 57 % compared to published global datasets.