About 11,000 years ago the ocean was 400 feet lower than it is now
However, I think over the next few centuries the ocean likely could raise up to 200 feet vertically beyond what it is now for a variety of reasons.
The first reason is how fast all the ice is melting here on earth.
The second reason is warmer air holds up to 5 times as much moisture as colder air.
This is the problem with both Flooding and Droughts across the world right now. And as temperatures increase flooding is just going to get sporadically worse and worse and worse worldwide. So literally millions of people in Third world countries will die from this because they are not technically advanced enough to survive these floods. This will just get worse and worse for at least the next 300 years or so by the way.
Warmer air can hold significantly more water vapor
than colder air because the kinetic energy of water molecules increases
with temperature, allowing more of them to exist in the gaseous state.
Here's a more detailed explanation:
Kinetic Energy and Water Vapor:
The
ability of air to hold water vapor (moisture) is directly related to
the temperature of the air and the kinetic energy of the water molecules
within it.
Temperature and Water Vapor:
As air temperature increases, the water molecules gain more kinetic energy (they move faster).This
increased energy allows more water molecules to exist in the gaseous
(vapor) state, rather than condensing back into liquid form.
Example:
Think of a pot of water on the stove.As the water heats up, more of it evaporates (turns into water vapor) and rises into the air above.
Relative Humidity:
This is why warm air can hold more water vapor than cold air, even if the absolute amount of water vapor in the air is the same.The
relative humidity, which is the ratio of the actual amount of water
vapor in the air to the maximum amount it can hold at a given
temperature, will be lower in warmer air, even if the absolute amount of
water vapor is the same.
Practical Implications:
This principle is important for understanding weather patterns, cloud formation, and the water cycle.For
example, warm air masses often hold more moisture than cold air masses,
leading to higher humidity and potentially more precipitation.
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