A new study has revealed that small lakes on Earth have expanded considerably over the last four decades – a worrying development, considering the amount of greenhouse gases freshwater reservoirs emit.
A new study has revealed that small lakes on Earth have expanded considerably over the last four decades – a worrying development, considering the amount of greenhouse gasesincreased in size by more than 46,000 square kilometers , researchers say. That's slightly more than the area covered by Denmark.
"There have been major and rapid changes with lakes in recent decades that affect greenhouse gas accounts, as well as ecosystems and access to water resources,""Among other things, our newfound knowledge of the extent and dynamics of lakes allows us to better calculate their potential carbon emissions."
"Small lakes emit a disproportionate amount of greenhouse gasses because they typically accumulate more organic matter, which is converted into gasses,"."And also, because they are often shallow. This makes it easier for gasses to reach the surface and up into the atmosphere."
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