Total melting of all ice on Earth would not raise sea levels enough to completely flood the Grand Canyon.
Is it true that total melting of all ice on Earth would not raise sea levels enough to completely flood the Grand Canyon?
Total melting of all global ice would raise sea levels by approximately 65 to 70 meters, which is far below the depth and scale required to flood the Grand Canyon (whose rim sits over 1,500 meters above sea level).
Verdict: COMMON KNOWLEDGE · 0 sources for, 0 against · Last checked
The claim compares the potential global sea-level rise from complete deglaciation (roughly 65-70 meters based on combined ice sheet volumes) against the extreme depth and elevation of the Grand Canyon. Because the physical dimensions of the Grand Canyon dwarf any possible sea level rise by more than an order of magnitude, this is a matter of straightforward geographic and mathematical comparison that requires no empirical citation of retrieved papers.
What does the evidence say?
The claim compares the potential global sea-level rise from complete deglaciation (roughly 65-70 meters based on combined ice sheet volumes) against the extreme depth and elevation of the Grand Canyon. Because the physical dimensions of the Grand Canyon dwarf any possible sea level rise by more than an order of magnitude, this is a matter of straightforward geographic and mathematical comparison that requires no empirical citation of retrieved papers.
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