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Downpours of torrential rain more frequent with global warming
Downpours of torrential rain more frequent with global warming
Full story: https://www.sciencedaily.com/releases/2019/06/190603132612.htm The number of extreme downpours increased steadily between 1964 and 2013 -- a period when global warming also intensified, according to new research. The frequency of downpours of heavy rain -- which can lead to flash floods, devastation, and outbreaks of waterborne disease -- has increased across the globe in the past 50 years, research led by the Global Institute for Water Security at the University of Saskatchewan (USask) has found. The number of extreme downpours increased steadily between 1964 and 2013 -- a period when global warming also intensified, according to research published in the journal Water Resources Research. The frequency of 'extreme precipitation events' increased in parts of Canada, most of Europe, the Midwest and northeast region of the U.S., northern Australia, western Russia and parts of China, (see maps and graphics). "By introducing a new approach to analyzing extremes, using thousands of rain records, we reveal a clear increase in the frequency extreme rain events over the recent 50 years when global warming accelerated," said Simon Papalexiou, a hydro-climatologist in USask's College of Engineering, and an expert in hydroclimatic extremes and random processes. Papalexiou, who led the research, added: "This upward trend is highly unlikely to be explained by natural climatic variability. The probability of this happening is less than 0.3 per cent under the model assumptions used." The USask study of over 8,700 daily rain records from 100,000 stations monitoring rain worldwide found the frequency of torrential rain between 1964 and 2013 increased as the decades progressed. Between 2004 and 2013, there were seven per cent more extreme bouts of heavy rain overall than expected globally. In Europe and Asia, there were 8.6 per cent more 'extreme rain events' overall, during this decade. Global warming can lead to increased precipitation because more heat in the atmosphere leads to more atmospheric water which, in turn, leads to rain. Torrents of rain not only lead to flooding, but can threaten public health, overwhelming sewage treatment plants and increasing microbial contaminants of water. More than half a million deaths were caused by rain-induced floods between 1980 and 2009. Heavy rain can also cause landslides, damage crops, collapse buildings and bridges, wreck homes, and lead to chaos on roads and to transport, with huge financial losses. ..... more ..... -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May the Force and farces be with you! ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3 ¤£*ɶU! ¤£¶BÄF! ¤£½ä¿ú! ¤£´©¥æ! ¤£¥´¥æ! ¤£¥´§T! ¤£¦Û±þ! ¤£¨D¯«! ½Ð¦Ò¼{ºî´© (CSSA): http://www.swd.gov.hk/tc/index/site_...sub_addressesa |
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Downpours of torrential rain more frequent with global warming
On Tue, 9 Jul 2019 22:41:41 +0800, "Mr. Man-wai Chang"
wrote: Downpours of torrential rain more frequent with global warming Really? Amazing! /sarcasm Shill #2 -- Sarchasm: The gulf between the author of sarcastic wit and the person who doesn't get it. |
#3
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Downpours of torrential rain more frequent with global warming
On 7/10/2019 5:33 AM, Government Shill #2 wrote:
On Tue, 9 Jul 2019 22:41:41 +0800, "Mr. Man-wai Chang" wrote: Downpours of torrential rain more frequent with global warming Really? Amazing! Think about the water cycle .... -- @~@ Remain silent! Drink, Blink, Stretch! Live long and prosper!! / v \ Simplicity is Beauty! /( _ )\ May the Force and farces be with you! ^ ^ (x86_64 Ubuntu 9.10) Linux 2.6.39.3 ¤£*ɶU! ¤£¶BÄF! ¤£½ä¿ú! ¤£´©¥æ! ¤£¥´¥æ! ¤£¥´§T! ¤£¦Û±þ! ¤£¨D¯«! ½Ð¦Ò¼{ºî´© (CSSA): http://www.swd.gov.hk/tc/index/site_...sub_addressesa |
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