Grand River
What is the chance global warming can cause the Grand Canyon to become a river again?
I understand the Grand Canyon is the gorge left after millions of years of the Colorado River weaving its way through the bedrock. Now that we have the current day condition of how the Grand Canyon appears, is our present and future global warming crisis cause for concern that the river may once again flow like it did millions of years ago? I don't know what magnitude of global warming we are discussing but I would safely assume by this time that many cities and states would be submerged underwater.
The Grand Canyon still has the Colorado River running threw it.
The Grand Canyon was cut from the Colorado River water force called "down cutting"
The only thing the global warming would probably have as an effect on the river is increases or decreasing the amount of down cutting ability the river has. This would be do to more water in or less water in the trough area of the river.
But, you are correct the world's oceans have slowly been increasing thus taking away shore and coastal areas. At some point many cities and or populated areas will be inundated by water and people will have to relocate.
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