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Human body ‘close to thermal limits’ due to extreme heatwaves caused by climate change,scientist say
Gwad
Member Posts: 2,855
in Tug Tavern
https://www.independent.co.uk/environment/exteme-global-temperatures-heatwave-human-body-limits-a9023421.html?
Despite all the body's thermal efficiencies, these areas could soon be uninhabitable, according to Loughborough University climate scientist Dr Tom Matthews in The Conversation.
When air temperature exceeds 35C, the body relies on sweating to keep core temperatures at a safe level. However, when the “wet bulb” temperature – which reflects the ability of moisture to evaporate – reaches 35C, this system no longer works.
“The wet bulb temperature includes the cooling effect of water evaporating from the thermometer, and so is normally much lower than the normal (“dry bulb”) temperature reported in weather forecasts,” Dr Matthews wrote.
“Once this wet bulb temperature threshold is crossed, the air is so full of water vapour that sweat no longer evaporates,” he said.
This means the human body cannot cool itself enough to survive more than a few hours.
“Without the means to dissipate heat, our core temperature rises, irrespective of how much water we drink, how much shade we seek, or how much rest we take,” he explained.
Some areas – which are among the most densely populated on Earth – could pass this threshold by the end of the century, according to Dr Matthews.
Despite all the body's thermal efficiencies, these areas could soon be uninhabitable, according to Loughborough University climate scientist Dr Tom Matthews in The Conversation.
When air temperature exceeds 35C, the body relies on sweating to keep core temperatures at a safe level. However, when the “wet bulb” temperature – which reflects the ability of moisture to evaporate – reaches 35C, this system no longer works.
“The wet bulb temperature includes the cooling effect of water evaporating from the thermometer, and so is normally much lower than the normal (“dry bulb”) temperature reported in weather forecasts,” Dr Matthews wrote.
“Once this wet bulb temperature threshold is crossed, the air is so full of water vapour that sweat no longer evaporates,” he said.
This means the human body cannot cool itself enough to survive more than a few hours.
“Without the means to dissipate heat, our core temperature rises, irrespective of how much water we drink, how much shade we seek, or how much rest we take,” he explained.
Some areas – which are among the most densely populated on Earth – could pass this threshold by the end of the century, according to Dr Matthews.
Comments
So far the lefts prognostications in total over the last 50 years have equaled squat. At least this latest nut job has predicted our destruction after he has taken the dirt nap. He looks like the smartest guesser yet!
Then you have the other end of the spectrum, AOC. She will most likely be alive in 11.4 years to see the end of the earth as she has predicted.
Hands Up HH! This is simply the latest effort to control the global economy through the hands of the liberal elites.
The neat new lightbulb blather withstanding, the amount the world temps are rising now and their questionable projections for the future aren’t close to extinction level. Which is the whole foolish premise of the creator of this thread.
We should try this