Global lake algal bloom dataset with a paper published in Nature Geoscience, titled “Global mapping reveals increase in lacustrine algal blooms over the past decade" https://www.nature.com/articles/s41561-021-00887-x

This dataset provides maximum bloom extent (MBE,
in km2) and median bloom occurrence (BO, in %) for 21,878 freshwater
lakes worldwide in the entire period (1980s-2010s) and three sub-periods (1980–1990s,
2000s, and 2010s), which was generated using Landsat satellite observation
between 1982 to 2019. The BO is defined as the ratio between the number of
detected algal blooms to the number of valid satellite observations within a
period, ranging from 0 to 100.

Algal bloom detection was performed within a lake
where the water occurrence is >95% in the GSWO dataset (refer to the NG
paper for details). The summarized areas of these regions were also provided
(Column “V”).

Because the minimum thresholds of valid image
number in three sub-periods were used to exclude areas with insufficient valid
observations from the statistics (details refer to the NG paper), some lakes
may have valid MBE, BO, and WA in the entire period but have no data in three
sub-periods.

Contents of the table:

Column “A-U”, lake information compiled from the HydroLAKES
dataset.

Column “V”, lake water area with 95% water
occurrence in GSWO dataset.

Column “W-X”, MBE and BO in the entire period.

Column “Y-AD”, MBE and BO in three sub-periods.

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