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The modelling of radiation processes are essential to our understanding of the energy cycles between the land surface and the atmosphere. In addition to which they provide an important input to the planning of solar energy programmes.

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Satellites predict city hot spots

29 September 2011

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Satellites are helping to forecast the location of urban areas most affected during heat waves, helping planners to design cooler, more comfortable cities.

The temperature in densely urbanised areas can be several degrees higher than in nearby rural areas – a phenomenon known as the ‘urban heat island’ effect.

These ‘heat islands’ are particularly noticeable at night. During the day, cities accumulate solar radiation and release the energy after the Sun sets.

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