GLAS's main job was measuring the height of ice sheets, but the data that came back from forested areas contain a lot of information about the height of the canopy and the density of the vegetation there.

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They combined these findings with radar information on the height of the cloud to work out if there was any connection between the two.

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The Farm Crisis Network - which provides a helpline and practical and pastoral support - and the Rural Stress Information Network were receiving hundreds of calls a day at the height of the outbreak.

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This Ocean forecasting system could generate crucial forecast information, such as ocean circulation, sea surface temperature, wave height, to serve the needs of a variety of human activities related to marine hazards mitigation, oil and gas exploration, fisheries, navigation, marine parks management and coastal recreational activities.

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In 2005, at the height of the controversy over the site's accuracy, Mr Wales told the BBC that students who copied information from Wikipedia "deserved to get an F grade".

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