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From: Dimensional Traveler <dtravel@sonic.net>
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Subject: Re: Whoops! The Atlantic Makes Trump Look EPIC In Cover Intended as a
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Date: Thu, 19 Sep 2024 07:55:18 -0700
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On 9/19/2024 7:41 AM, Cryptoengineer wrote:
> On 9/19/2024 4:12 AM, D wrote:
>>
>>
>> On Wed, 18 Sep 2024, Lynn McGuire wrote:
>>
>>> On 9/18/2024 2:49 PM, D wrote:
>>>>
>>>>
>>>> On Wed, 18 Sep 2024, Scott Lurndal wrote:
>>>>
>>>>> Lynn McGuire <lynnmcguire5@gmail.com> writes:
>>>>>> On 9/17/2024 6:11 PM, quadibloc wrote:
>>>>>>> On Mon, 16 Sep 2024 16:29:18 +0000, Don wrote:
>>>>>>>
>>>>>
>>>>>>> Global warming is not an imaginary spectre. The science involved is
>>>>>>> really basic stuff.
>>>>>
>>>>>>
>>>>>> Any Global Warming is not caused by humans so your basic thesis is
>>>>>> wrong.
>>>>>
>>>>> You claim to be a process chemist, yet you make such
>>>>> speciously _wrong_ statements.   Svante August Arrhenius proved the
>>>>> effects of CO2 on the atmosphere over a century ago (and earned
>>>>> a Nobel prize in Chemistry).
>>>>>
>>>>
>>>> Why was Svante Arrhenius wrong about CO2?
>>>>
>>>> Introduction to Arrhenius’ Work Svante Arrhenius, a Swedish physical 
>>>> chemist, is often credited with the early scientific foundation of 
>>>> the greenhouse effect and global warming due to carbon dioxide 
>>>> (CO2). In his 1896 publication, he posited that a doubling of 
>>>> atmospheric CO2 could lead to an increase in global temperatures by 
>>>> approximately 5 to 6 degrees Celsius. This assertion was based on 
>>>> his calculations regarding the heat absorption properties of CO2 
>>>> compared to water vapor.
>>>>
>>>> Overestimation of Temperature Increase One of the primary reasons 
>>>> Arrhenius was considered wrong about CO2’s impact on temperature is 
>>>> that he significantly overestimated the effect of a doubling of CO2 
>>>> concentration. His initial calculations suggested a temperature rise 
>>>> between 5 and 6°C; however, later revisions indicated that this 
>>>> figure was too high. By 1906, after further analysis and feedback 
>>>> from contemporaries like Knut Ångström, Arrhenius revised his 
>>>> estimate downwards to around 1.2°C directly and up to 2.1°C when 
>>>> accounting for feedback effects from water vapor.
>>>>
>>>> Errors in Absorption Coefficient Arrhenius’s original calculations 
>>>> were heavily reliant on his estimates for the absorption coefficient 
>>>> of CO2. The absorption coefficient is crucial because it determines 
>>>> how effectively a gas can absorb infrared radiation (heat). Ångström 
>>>> challenged Arrhenius’s values, suggesting they were inaccurate. This 
>>>> discrepancy highlighted that Arrhenius had not fully accounted for 
>>>> the complexities involved in how different gases interact with 
>>>> infrared radiation.
>>>>
>>>> Neglecting Water Vapor’s Dominance Another critical factor in 
>>>> Arrhenius’s miscalculations was his underestimation of water vapor’s 
>>>> role as a greenhouse gas. Water vapor constitutes a much larger 
>>>> portion of the atmosphere compared to CO2 and has a more significant 
>>>> impact on climate due to its higher concentration and ability to 
>>>> absorb heat across various wavelengths. While Arrhenius recognized 
>>>> CO2 as an important greenhouse gas, he did not adequately emphasize 
>>>> that its effects would be overshadowed by those of water vapor.
>>>>
>>>> Advancements in Climate Science The understanding of climate 
>>>> dynamics has evolved significantly since Arrhenius’s time. Modern 
>>>> climate models incorporate complex interactions among various 
>>>> greenhouse gases, including feedback loops involving clouds and 
>>>> aerosols, which were not part of Arrhenius’s simpler models. These 
>>>> advancements have led to more accurate predictions regarding 
>>>> temperature increases associated with rising levels of CO2.
>>>>
>>>> Conclusion: Legacy and Misunderstandings While Svante Arrhenius laid 
>>>> important groundwork for understanding the greenhouse effect, 
>>>> subsequent research revealed that his initial estimates were overly 
>>>> optimistic due to errors in calculation methods and assumptions 
>>>> about atmospheric chemistry. His work serves as both a historical 
>>>> milestone in climate science and an example of how scientific 
>>>> understanding can evolve over time through rigorous testing and 
>>>> validation.
>>>
>>> Chemical saturation limits EVERYTHING but is rarely taken into account.
>>>
>>> Lynn
>>>
>>
>> Certainly in this group, anything that even remotely contradicts the 
>> narrative of man made global warming is never taken into account or 
>> ever discussed.
> 
> We also tend to be kind of hard on flat-earthers. Oh, the intolerance!
> 
And you really don't want to know what we do to Mobious Strip Earthers....

-- 
I've done good in this world. Now I'm tired and just want to be a cranky 
dirty old man.