Australasian Science: Australia's authority on science since 1938

Climate Change or Natural Variability?

Image of barometer

The long-term trend in annual rainfall for Australia from 1900 to 2009 is upwards at a linear rate of 6.33 mm/decade.

By Robert E. White

Meteorological records since the 1950s reveal a decrease in rainfall that is consistent with anthropogenic climate change, but a different picture emerges when looking at records since 1900.

Robert E. White is Professor Emeritus of The University of Melbourne’s School of Land and Environment.

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