arihant current affairs magazine monthly
arihant current affairs magazine monthly Published this article page no 08 Prolonged drought Australia has seen prolonged drought (the three years between 2017 and 2019 were the driest 36month period ever in the New South Wales) and 2019 was the hottest year on record with 1.5°C above average. The more extreme weather patterns and higher temperatures increase the risk of bushfires and allow them to spread faster and wider. Positive Indian Ocean Dipole (IOD) In 2019 the problem has been compounded by the presence of one of the strongestever positive Indian Ocean Dipole (IOD) events. Positive IOD events are often associated with a more severe fire season for Southeast Australia. Rare stratospheric warming over Antarctica Temperatures were 30°C to 40°C higher than normal in the region 10 to 50 km from Earths surface — another extraordinary weather event that could have contributed to the unusual heat and dryness in Australia. Impact Economic In states like New South Wales Entire towns have been engulfed in flames and heavy structural damages have occurred. Also in countryside farmers have occurred immense losses because of burning of their crop fields and animals. Health Major cities like Sydney and Melbourne have been under a thick blanket of smoke with air quality dropping by 20 times below the healthy limits arihant current affairs magazine monthly buy.
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