miércoles, 23 de marzo de 2011

weather!!!

Weather
Climate is the long-term effect of solar radiation on the surface and atmosphere of the rotating Earth. The easiest way to interpret it in terms of average annual or seasonal temperature and precipitation.
The areas of land and sea, to be so variable, they react in very different ways to the atmosphere, which runs constantly in a state of dynamic activity. The daily variations in a given area define their climate, while climate is the long-term synthesis of these variations (both can be considered subdisciplines of meteorology). The climate is measured by thermometers, rain gauges, barometers and other instruments, but their study depends on the statistics. Today such statistics are performed competently by computers. However, a simple summary of long-term climate change does not provide an accurate representation of the climate. For it is necessary to analyze the patterns of daily, monthly and yearly. The climate change research in terms of geologic time is the field of study of paleoclimatology, which requires tools and methods of geological research.
The word climate comes from the Greek klima, referring to the inclination of the Sun In addition to the effects of solar radiation and its variations, the climate is always under the influence of the complex structure and composition of the atmosphere and the mechanisms by which it and the ocean heat transport. Thus, for any given area of ​​the Earth should be considered not only the latitude (which determines the inclination of the Sun), but also its altitude, soil type, distance from the ocean, its relationship with mountain and lake systems, and other similar influences. Another consideration to keep in mind is the scale: macroclimate term refers to a large region, meso-climate, to a smaller one, and microclimate, a tiny area. For example, you can specify that a good microclimate for growing plants is there in the shelter of large shade trees.
The weather has great influence on vegetation and animal life, including humans. Plays a significant role in many physiological processes, from conception and growth of living beings to health and disease. Humans, in turn, can influence the climate by changing their environment, either through altering the Earth's surface by the emission of pollutants and chemicals such as carbon dioxide into the atmosphere .

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