As global temperatures increase, blue lakes in North America and Europe are projected to become green-brown. According to recent research that provides the first global inventory of lake color, blue lakes all over the globe run the danger of becoming green-brown if global warming continues. Chang
As global temperatures increase, blue lakes in North America and Europe are projected to become green-brown.
Less than one-third of the world’s lakes are blue, and they are often deeper and located in cool, high-latitude areas with plenty of precipitation and winter ice cover. According to the research, green-brown lakes, which make up 69% of all lakes, are more common and may be found in drier areas, continental interiors, and along coasts.
A lake’s color can change seasonally, in part, due to changes in algal growth, so the authors characterized lake color by assessing the most frequent lake color over seven years. The results can be explored through anAdditionally, the new study explored how different degrees of warming could affect water color if climate change persists.
While prior studies have used more complex and finer scale metrics to understand overall lake ecosystem health, watercolor is a simple yet viable metric for water quality that can be viewed from satellites at a global scale, the authors said. This approach provides a way to study how remote lakes are changing with climate.
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