The Greenhouse Effect
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Introduction
A graphic of the Greenhouse effect.
In 1824, a French physicist and mathematician raised the theory of the Greenhouse Effect. His name was Joseph Fourier. But it was not investigated and verified until the year 1986 by Svante Arrhenius. But. what is the Greenhouse Effect? The Greenhouse Effect takes place in the following way: The atmosphere is compound mainly of Nitrogen, Oxygen and another variety of gases. When the light of the sun arrives at the Earth, the atmosphere receives the light and it lets it pass into the Earth. When the Earth warming up itself, it soon emits heat that is lost in the space. But when the atmosphere has greenhouse gasses happens something different: When the light of the Sun arrives to the Earth, the gases absorb a part of the heat and other it happens to the Earth. It passes he himself phenomenon: the solar light is hotter than the surface, warms up it and this emits heat, but the atmosphere already is hot, the heat bounces to the Earth. And for worse, the atmosphere must release the heat that has, so it sends to a part to the space and another one of return to the Earth, causing an increase in the temperatures.
Which gases are greenhouse gases? top
The main greenhouse gasses are:
. The water vapor
. The Carbon dioxide (CO2)
. The Methane
. And Ozone
These gases absorb, reflect, and emit the heat that arrives to them.
Who emits these gases? top
Well, the main greenhouse gas, the water vapor, is emitted in the ocean by the heat of the Sun, reason why the human being does not have any way to stop it. Nevertheless, the CO2 it can be reduced, because if the world-wide concentration since the atmosphere was created were an average of 280 parts by million by vol. (ppm) with a fluctuation of 100 ppm every five thousand or twenty thousand years; in the beginning of the Industrial Revolution ppm of CO2 was of 280, but in 1973 they were of 330 ppm, raising 50 ppm in only two hundred years. But that is insignificant compared with this: since in the 2006, only 33 years later, ppm of CO2 in the atmosphere arrived to 380, raising 50 ppm. That means that the Industrial Revolution accelerated a process that could last 20 thousand years to turn it almost two hundred.