Warmest Decades In Australia And New Zealand

by Gopalan on  January 14, 2010 at 2:05 PM Environmental Health   - G J E 4
 Warmest Decades In Australia And New Zealand
Australia and New Zealand experienced their warmest periods in the decade just closed since records began according to data released by National Institute of Water & Atmospheric Research (NIWA) and Australia's Bureau of Meteorology.

While 2009 was slightly cooler overall than the 1971 - 2000 average, says NIWA, the decade was still the warmest, followed by the 1980s, the 1970s and the 1990s, in that order.

"This result is caused by a combination of natural variability and a background warming trend," Dr James Renwick, NIWA Principal Scientist said in a statement. 

Australian scientists also confirmed the warmest decade on record since reliable records began in 1910:

"2009 ends Australia's warmest decade on record, with a decadal mean temperature anomaly of +0.48°C (above the 1961-90 average). In Australia, each decade since the 1940s has been warmer than the preceding decade. In contrast, decadal temperature variations during the first few decades of Australia's climate record do not display any specific trend. This suggests an apparent shift in Australia's climate from one characterised by natural variability to one increasingly characterised by a trend to warmer temperatures."

In the run-up to the Copenhagen climate talks, the World Meteorological Organisation predicted the decade 2000 - 2009 would be the warmest on record for the globe. The local results from New Zealand and Australia will be taken into account in the finalised WMO climate data for the decade.

Source: Medindia

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