I was on a hike and read a plaque that said this area used to be completely covered by water. My question is, where did all that water go? Just absorbed into the ground? Evaporated?
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If all ice on Earth melted the global sea level would rise approximately 70 meters (approximately 230 feet).
That’s a lot of water. There have been periods in the past when the water level was much different compared to today.
Another thing is that geography changes over time. How high above the see level something is today doesn’t mean it wasn’t under water at some point.
If all ice on Earth melted the global sea level would rise approximately 70 meters (approximately 230 feet).
That’s a lot of water. There have been periods in the past when the water level was much different compared to today.
Another thing is that geography changes over time. How high above the see level something is today doesn’t mean it wasn’t under water at some point.
Once upon a time there was an ocean (or maybe a sea, or a lake?). Over time, sediment (sand and silt) settled on the bottom of that ocean. Eventually that sediment was buried so deeply, and was under so much pressure and heat that it became rock.
While this was happening, the continents slowly drifted, and in some places, this caused the rock to be pushed upwards, until it was no longer under water.
So the water didn’t go anywhere. the sea-bed was lifted up until it was above water.
Once upon a time there was an ocean (or maybe a sea, or a lake?). Over time, sediment (sand and silt) settled on the bottom of that ocean. Eventually that sediment was buried so deeply, and was under so much pressure and heat that it became rock.
While this was happening, the continents slowly drifted, and in some places, this caused the rock to be pushed upwards, until it was no longer under water.
So the water didn’t go anywhere. the sea-bed was lifted up until it was above water.
Depends on what area you were at precisely, but the water most likely didn’t go anywhere, it’s the ground that moved. Some areas the ground is lifting up, the others it’s sinking, Earth isn’t so rock solid over geological timeframes.
Depends on what area you were at precisely, but the water most likely didn’t go anywhere, it’s the ground that moved. Some areas the ground is lifting up, the others it’s sinking, Earth isn’t so rock solid over geological timeframes.
It’s not the water that changed but the geology.
Duo to the movement of continental plates, some parts of the planet were once ocean floor but have been pushed above water.
It’s not the water that changed but the geology.
Duo to the movement of continental plates, some parts of the planet were once ocean floor but have been pushed above water.
>I was on a hike and read a plaque that said this area used to be completely covered by water. My question is, where did all that water go? Just absorbed into the ground? Evaporated?
It would have been absorbed into the ground and/or tied up in glaciers and polar ice caps.
>I was on a hike and read a plaque that said this area used to be completely covered by water. My question is, where did all that water go? Just absorbed into the ground? Evaporated?
It would have been absorbed into the ground and/or tied up in glaciers and polar ice caps.
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