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From: Bill Sloman <bill.sloman@ieee.org>
Newsgroups: sci.electronics.design
Subject: Re: Climate Remediation Engineering - Size of Problem
Date: Mon, 5 May 2025 15:16:10 +1000
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On 5/05/2025 6:58 am, Joe Gwinn wrote:
> On Sun, 04 May 2025 10:32:21 -0700, john larkin <jl@glen--canyon.com>
> wrote:
> 
>> On Sun, 04 May 2025 11:48:25 -0400, Joe Gwinn <joegwinn@comcast.net>
>> wrote:

<snip>

> All possibly true, but irrelevant.  The intent of the engineering
> analysis is to see what will actually be needed.  In other words, I'm
> showing the scale of what's required to move the needle.  Hint:  Bring
> a BIG calculator.

Actually one which can handle floating point numbers.

What you really need to do first is to understand the problem, and your 
elaborate calculation of the amount of CO2 in the atmosphere ignores the 
fact that only half the CO2 we've been dumping into the atmosphere shows 
up there.

The other half appears to be going into solution in the oceans. The 
actual amount of CO2 dissolved in the Earth's oceans is hard to estimate 
accurately. The ice core data seems to show that it takes about 800 
years for the atmospheric level to equilibrate with ocean content.

The top layers of the oceans should equilibrate faster than that, but 
there's a lot of deep ocean, and not all of it has return currents 
flowing through it.

The Argo float project is designed to detect those deep return currents

https://en.wikipedia.org/wiki/Argo_(oceanography)

It's had roughly 3000 floats drifting around the world's oceans since 
2007, which may sound like a lot, but there's a lot of ocean to probe.

At the moment you are coming across as less superficial than the likes 
of John Larkin and Cursitor Doom, but still pretty superficial. This 
will undoubtedly strike Cursistor Doom as a supercilious response, but 
any even moderately well informed response is going to strike him that 
way. He doesn't really appreciate quite how ignorant he is, any more 
than Donald Trump does.

-- 
Bill Sloman, Sydney