This visualization watches the global mean sea level change through a circular window. The blue mark on the ruler shows the exact measurements of the Integrated Multi-Mission Ocean Altimeter Data for Climate Research. The level of the animated water changes more smoothly, driven by a 60-day floating average of the same data.
3.5" is not a big deal unless one sees what 3.5" really means when seeing sea level rise do its thing over the past 30 years through the lens of a porthole.
NASA has released a chilling animation showing just how far sea levels have risen in the three short decades its satellites have been monitoring them.
The data visualization, released last week, is the work of Andrew J. Christensen, a data visualizer for the NASA Scientific Visualization Studio. By animating observed changes in global sea level captured by satellites whizzing overhead between 1993 and 2022, the imagery transforms a complex mix of numbers into something far more relatable.
In those 30 years, sea levels have risen by over 9 centimeters (about 3.5 inches). That might not sound like much, only a hand's length, but when those changes are visualized as water lapping at a ship-like window, it starts to feel very real.
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