lecture4Jan2908.ppt

lecture4Jan2908.ppt - 1 kg m 2 s-3 . The "watt...

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What is the Energy Balance of Earth, and what are controlling factors at large and small scales? Jan 29, Jan 31
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James Watt measured the power that can be exerted by a standard horse, the horsepower. His contributions to science and technology are recognized in the unit of power (the watt) in SI, the Internationaol System of Units. 1 watt = 1 joule per second = 1 newton meter per second =
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Unformatted text preview: 1 kg m 2 s-3 . The "watt per square meter" is the SI unit for radiative and other energy fluxes in geophysics. The "solar constant", the solar irradiance at the mean earth-sun distance is approximately 1370 W m-2 Insolation Input solar constant = 1370 Wm-2 Figure 4.4 Now lets look at satellite data from space....
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This note was uploaded on 10/27/2009 for the course GPH 1000 taught by Professor Reynolds during the Spring '07 term at ASU.

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lecture4Jan2908.ppt - 1 kg m 2 s-3 . The "watt...

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