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2007-06-20 07:28:38 · 4 answers · asked by Anonymous in Science & Mathematics Weather

4 answers

The energy we get from the Sun is essentially constant. However, the energy is what powers the weather (and ultimately all life on Earth). A hurricane is essentially a giant heat engine powered by warm surface water and a cool atmosphere above it. A hurricane is a particular type of convection current. This is a direct consequence of heating by the sun.

2007-06-20 07:37:51 · answer #1 · answered by lithiumdeuteride 7 · 0 0

Wind is essentially the result of convection. On a grand scale air rises in the equatorial regions and subsides (sinks) in that polar regions. This causes a transfer of heat energy (solar) from one region to the other. Because of the Coriolis effect this simple pattern is disrupted as the earth rotates and the horizontal spirals that develop give us a system of trade winds and belts of calms.
Because heating and energy distribution on the surface is uneven we have local weather patterns. This may be as simple as a daily sea breeze, a more complex monsoon, or the development of large air masses which produce storms, large and small, as they interact.
At the heart of it you have the process of convection, driven by the uneven heating from solar energy. (The sun's energy is pretty uniform over long periods of time. It is the varying surfaces and the angle of incidence that causes the unevenness)

2007-06-20 09:59:46 · answer #2 · answered by sternsheets 2 · 0 0

I'm not really sure but I can help a little. Convection currents are caused by the heat of the earth's inner core and outer core. As the heat reaches the Earth's crust, it rises and expands. But I also have a question for other people. Where do convection currents occur. Yes, they do occur on Earth, but where and why?

2016-05-20 23:25:39 · answer #3 · answered by ? 3 · 0 0

Convection currents only produce low pressure areas which in turn causes wind movement and sun's energy only produces convection currents.

2007-06-24 03:37:47 · answer #4 · answered by Arasan 7 · 0 0

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