vineri, 25 martie 2011

Climate change basics – what is actually happening

Issues related to climate change has degenerated into a mixture of interest-based self serving claims. The facts are much more complex and much less easily defined. In the meantime, everything from pool pump for carpet is redesigned on the basis of sustainability, linked to climate change and other issues.
Climate change-A historical perspective
This is an interglacial period on Earth. Until recently, scientists had worried about a possible new ice age, partly based on that ice ages occur every 100,000 years or so. Recent discoveries indicate that ice ages is a result of lower CO2 levels. Snowball Earth periods CO2 levels are believed to have been extremely low. They were very high in warm periods, and even oxygen levels were higher.
This atmospheric gas mixture is far from simple. It contains a mass of nitrogen, carbon dioxide, oxygen and many other gases. It is not a homogeneous mixture, and it is an interactive mix. Many gases are also scattered in the seas. There is an endless series of cycles of movement of gases which affect all aspects of life on Earth and climate. Various gases and connections also make heat in different ways.
The current situation
People often speak of a "natural balance" environmental elements. In practice, it is more like a "physical imbalance". The transfer of gases, heat and mechanical energy is life, on an ongoing basis. So-what happens if a person starts pouring billions of tonnes of carbon dioxide per day, in this very active chemical situation?
To start with, the thermal properties of the atmosphere change. It would, in fact, something what you put into the atmosphere in these kind of quantities. The effect is that atmospheric mixture of gases has changed, therefore the thermal properties are changed. Some gases make more heat than others. Thus the expression, the greenhouse effect. This is not guesswork, it is for this reason that the Earth's atmosphere is heating up.
If now-the atmosphere heats up, what happens with the chemistry? Be Changed. The water cycle accelerates, start with, and it is one of the most important factors in any environment on a planet literally covered in water. The extra heat is very unevenly also transferred to the various gases and compounds. If you remember your high school chemistry, has all the chemical elements and compounds their own response to heat.
To try to get the right
An interglacial period not helped with assessing macro-level changes in the environment. Climatic variations in the interglacial periods are complex things. Comment continued to produce new data, often unexpected data.
Observed facts:
The temperature of the water level rises.Permafrost in Siberia and Alaska, frozen for thousands of years, melts.The Arctic ice cap visible shrinking.Greenland has now green zones throughout the year.Icebergs up Luxembourg size is abort Antarctic. Exceptional droughts and floods reported around the world.
The real problem is, how prepared the human race is to meet the inevitable interglacial climate change, regardless of what it is when it happens. Let us meeting, when there is serious climate changes, "I said" is not exactly the best possible answers.

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