Average Total-sky Outgoing Longwave Flux (WMS)
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The Earth's climate is determined by energy transfer from the sun to the Earth's land, oceans, and atmosphere. As the Earth rotates, the sun lights up only part of the Earth at a time, and some of that incoming solar energy is reflected and some is absorbed, depending on type of area it lights. The average amount of reflection and absorption is critical to the climate, because the absorbed energy heats up the Earth until it is radiated away as thermal radiation. This animation shows the monthly average outgoing longwave radiation from July, 2002 through June, 2004 as measured by the CERES instrument. This is the thermal radiation given off by the warm Earth. The Earth's rotation and the movement of warm air from the equator to the poles make the Earth roughly uniform in temperature. The most visible features are the cold poles in winter and the cold clouds along the equator which trap the outgoing thermal radiation.
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This animation shows the monthly average total-sky outgoing
longwave flux from CERES for July 2002 through June 2004.
Duration: 14.0 seconds
Available formats:
288x144 (29.97 fps)
MPEG-1
2 MB
160x80
PNG
14 KB
320x160
PNG
46 KB
80x40
PNG
4 KB
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This is the legend for the total-sky outgoing longwave flux
animation, indicating the magnitude of the energy flux.
Available formats:
320 x 90
PNG
9 KB
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