Antinuclear

Australian news, and some related international items

Climate change shifting rain from Australia towards Antarctica,

climate-AustClimate change stealing rain from Australia by shifting winds towards Antarctica, Canberra Times, Clare Sibthorpe, 29 Sept 16  When much of southeast Australia faced abnormally hot and dry weather last summer, forecasters put it down to a high-pressure system blocking clouds from forming.

But rising greenhouse gases were also to blame, researchers have found.

A new study by the ANU and 16 other institutions revealed human-caused climate change is already harming parts of Australia by robbing vital rain and pushing south westerly winds towards Antarctica.

The ANU’s lead researcher associate professor Nerilie Abram said the hijacking of rain combined with 2015 being Australia’s fifth-warmest year on record and 2016 on track to be the hottest was an ominous mix.

“The findings confirm that climate change is already having an impact on parts of Australia.”……..

Professor Abram said the study, published in Nature Climate Change, showed southwest Australia was hurting the most from the change, where it had lost one fifth of its rainfall since the 1970s.

A 2015 study between CSIRO and Bureau of Meteorology found climate change would hit Australia harder than other countries, predicting a rise in temperature of more than five degrees within 80 years.

They forecast reduced rain in southern Australia over the next few decades as well as harsher fire seasons for southern and eastern parts of the country.

This August, Germany-based researchers Climate Analytics found the difference between 1.5 and 2 degrees of warming – the two goals included in the Paris climate deal – would be much greater in terms of extreme events and disasters than previously believed.

It found that within just 10 – 20 years, southern Australia would face heatwaves on average 13 days longer at 1.5 degrees and 20 days longer at 2 degrees, while dry spells would be 3.5 days longer at 1.5 degrees and six days at 2 degrees. http://www.canberratimes.com.au/act-news/climate-change-stealing-rain-from-australia-by-shifting-winds-towards-antarctica-20160927-grpyq3.html

September 30, 2016 - Posted by | AUSTRALIA - NATIONAL, climate change - global warming

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