Analyzing two decades of satellite imagery, researchers from the US and UK have found Earth's oceans are getting greener, potentially reflecting the impact climate change is having on phytoplankton populations as the world warms.
That faster turnaround is thanks to, which refers to snapshots of ocean color based on reflected light. Processing these snapshots is in some ways more straightforward than trying to measure phytoplankton populations using other methods, such as chlorophyll estimates.
That's not to say phytoplankton is the only reason the ocean could be getting greener, as the researchers admit. However, their analysis closely matches an advanced model predicting how ocean ecosystems might be responding to"Remote sensing reflectance, and thus surface-ocean ecology, has changed significantly over a large fraction of the ocean in the past 20 years,"
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