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The wind speed and the waves have increased by 10% in 25 years




wind speed and wave size increased progressively across the globe up to 10 percent in the last quarter century, according to a study released today by Australian scientists.

The expert team of Swinburne University in Melbourne, led by Ian Young, based its analysis on data on winds and waves picked up by satellite, between 1985 and 2008.


Young, ocean engineering specialist, told ABC radio that the most significant changes occurred during extreme conditions, especially in areas near the poles.

There, the wind speed rose by 10 percent between 1985 and 2008 or a rate of 0.5 percent annually, while the size of the waves grew by seven percent.

The average wind speed in most of the oceans increased by 0.25 percent annually, although in the southern hemisphere this increase in extreme conditions, was 0.75 percent.

Australian scientist Alexander Babanina, co-author, said it was unclear whether changes in wind speed and wave height are linked to climate change.

"What we can say is that there is a general trend, but if you extrapolate this in the future must be done carefully," said the expert, who emphasized that these variables must be considered when studying weather.

"When we talk about the weather, usually talk about the changes in temperature, precipitation, but rarely mention the wind and waves," said Babanina.