Saturday, June 24, 2023

Sea Level through a porthole

As the planet warms and polar ice melts, our global average sea level is rising. 
Although exact ocean heights vary due to local geography, climate over time, and dynamic fluid interactions with gravity and planetary rotation, scientists observe sea level trends by comparing measurements against a 20 year spatial and temporal mean reference.
These visualizations use the visual metaphor of a submerged porthole window to observe how far our oceans rose between 1993 and 2022.
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.


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