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  1. Naked Science Forum
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  4. (What's) the optimal temperature for life?
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(What's) the optimal temperature for life?

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Offline Bored chemist

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Re: (What's) the optimal temperature for life?
« Reply #20 on: 08/05/2022 11:47:42 »
Quote from: alancalverd on 02/05/2022 23:15:09
You can't have your cake and eat it. Either the winter minimum has increased (which I have observed) or recent trends in climate change are a myth. 
Or you don't understand that global warming can include local cooling or heating.
This isn't "having my cake and eating it", it is realising that the system is complicated.
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Offline alancalverd

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Re: (What's) the optimal temperature for life?
« Reply #21 on: 09/05/2022 14:52:39 »
Quote from: Bored chemist on 08/05/2022 11:45:51
Quote from: MarkPawelek on Yesterday at 10:54:46
But models don't describe the real world.
Yes they do.
That's the point.
Then why does the ice core record look the way it does, with cyclic, pre-human
very sharp increases in global temperature (over 5 - 10,000 years) followed by slow decreases (over 100,000 years),
consistent maxima and minima,
CO2 levels following, not leading, the temperature graph, and
volcanic dust levels not correlating with said changes in CO2.

Either the data is wrong, or the model is wrong. One of these alternatives is a scientific statement.
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Re: (What's) the optimal temperature for life?
« Reply #22 on: 09/05/2022 18:53:30 »
"the data is wrong" is quite a common scientific statement.
Quote from: alancalverd on 07/05/2022 16:51:41
One of my colleagues built a water calorimeter - rather less portable device but clearly worth directly measuring the quantity of interest rather than trying to derive it. Problem was that the water calorimeter generally measured about 3% less than the graphite calorimeter, though both were calibrated to  ± 0.01%
Quote from: alancalverd on 09/05/2022 14:52:39
or the model is wrong.
All models are wrong, some models are useful.
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Re: (What's) the optimal temperature for life?
« Reply #23 on: 09/05/2022 19:36:49 »
Quote from: alancalverd on 02/05/2022 23:15:09
Not me. The meteorological office.  https://www.metoffice.gov.uk/research/climate/maps-and-data/uk-climate-extremes

You can't have your cake and eat it. Either the winter minimum has increased (which I have observed) or recent trends in climate change are a myth. 


Quote from: alancalverd on 02/05/2022 17:29:57
Has it done so yet? You implied earlier that people had died in the UK as a result of extreme cold caused by increased CO2, when all the data suggests that we have experienced very few low-temperature excursions, and none that might be classed as extreme, in the last 40 years.

I'm sure your argument is entirely logical and based on recorded facts as always, but both the logic and the data elude me.

* Screenshot_20220509_192853_com.android.chrome.jpg (304.24 kB . 1920x1200 - viewed 758 times)Its bound to be better record keeping, in a similar way to the monitoring of hurricanes. Either that or there is some hitherto unrecognised fluctuation in temperature for reasons that are not understood, such as solar flairs or dinosaur overlords running solar shielding from UFOs. The earth is getting warmer, it has been getting warmer for 10,000 years.
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