I've been thinking about this a while, the melting polar caps and the ice,
and it is a big hoax.
Those who know about water, know that Water reaches it's most dense form when it's 4 degrees Celsius, or 39,3 degrees Fahrenheit.
So what actually happens is the snow and ice caps above the sea are melting, and going into the ocean, bringing more water in the ocean,making the ocean to rise in water level.
That was the logic of some of the scientists
At the same time the ice under the ocean (often there's more ice under water than above) is melting too.
As long as the ice is not rising above 4 degrees C on the poles, the water will actually shrink in size, becoming more dense.
This means that the ocean temperature between the poles and the equator will be a little warmer in temperature.
For as long as there is the slightest snow on the poles, there is no problem or fear about rising sea levels.
Besides, the hotter the ocean gets, the more water will evaporate, the more clouds will appear, the more the temperature will drop.
What we'll be expecting is more heavy rains, more storms, etc; but no signs of rising water levels; at least not to the extend of what the latest Al Gore preachings have made us believe.
In history it is known that the winters used to be colder in the North, and that the waterlevels where higher.
I remember as a kid I used to live near to a swamp,which my grandmother used to tell me there used to be boats floating on that swamp.
When I visited the swamp as a kid, it hardly had 1 foot of water at best.
Currently it's a muddy to dry area most of the year.
I do believe that water levels can return to their previous state, but not because of global warming.
If anything, global warming only causes gasses to be more active, and perhaps in the upper atmosphere have more hydro oxygen escape the earth's atmosphere.
I read somewhere that earth continuously is bombarded with photons from the sun, while at the same time it continuously loses millions of gallons of water per year...
This in itself creates a balance. While sunrays actually are ADDING to the earth's mass, the gasses in the most outter layers of the atmosphere are actually being sent into space.
I don't know how far this theory is proven scientifically though.
This latter could also explain why there is water found on the moon.
As these gasses leave earth's orbit, no longer being bound by earth's gravity, they are caught into the moon's field of gravity. The moon does not have an atmosphere, and water, in the form of microscopic ice particles (literally frozen gas) land on the moon's surface, and sink into it's sandy bottom.
That is most likely why scientists of Nasa recently discovered water in the moon's soil; although, be it round about 7 gallons of water in an amount of soil as large as a cloud created by a 100kTon of TNT explosion.
The catch is when the seawater will rise above 4 degrees C, or about 40 degrees F, that water expands. Watermasses at quantities of an ocean could rise rapidly, but the tolerance built in it is quite large!
Put a cup of water in the freezer, and the water will have a much lower density in a frozen state (thus take up a much larger area) than in a heated state (relative the same temperature difference as frozen water from 4 degrees C, or 40 F).
eg: Fill a cup with water,and freeze it to -18 degrees C (or 0 F). The frozen water will actually pass the border of the cup by several millimeters.
Heat up that cup, and usually unless you are heating up the water in temperatures close to boiling temperatures, the cup will not overflow (unless if filled to the absolute maximum possible, with the water level already being higher than the cup's border).
So unless the ocean will start rising by 10 to 25 degrees C (~20-45 degrees F) or more, we probably won't have to worry much; and even then, the increase in size will most likely be compensated for by an increase in cloud formation.
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