Re: Chernobyl " population will continue to slide toward extinction "

[Ted de Castro <tdc@XRAYTED.COM>]

Thanks for some real numbers HOWEVER I am a bit skeptical of the last

one!  ALL generated power that does not go into making a chemical bond

(that is not later undone) or assists in a phase change that is stable

at ambient - eventually ends up as waste heat!  And with 1 kiloton =

4.18 E12 a "Q" is about 1/2 kilo-megaton - and I would think THAT much U

would be good for a whole lot more than that!



Just a feeling.



Christoph Hofmeyr wrote:

> 

> RADSAFERS,

> Somehow this theme has taken the more interesting sidetrack of the great

> CO2 debate.  Ted is right,   "There is no point in debating this - someone

> somewhere MUST know the numbers!!".

> I have a slightly dated summary, which should get the order of magnitude

> right. The big energy moguls have defined  a rather large unit 1Q = 10^21

> Joule.  Solar insolation is pretty abundant:  14Q hits the earth per day.

> Worldwide energy consumption is only 0.3Q approx per year (OK, that was 20

> years ago, so let us presume 0.5Q).  That is rather insignificant (one

> ten-thousandth). So the whole debate actually turns around a balance.  If

> the earth does not get rid of the 14Q (plus the radioactive decay heat

> (figure?)) per day, it would tend to heat up, and the so-called greenhouse

> gases like CO2 and methane (actually orders more effective) and others come

> into play, upsetting the very fine balance just a bit.  That is

> (human-assisted) global warming by SOLAR (sorry, Greens).  Other

> interesting stats: total estimated coal reserves worldwide were given as

> 300Q, oil only 12Q.  If used in inefficient thermal reactors (the present

> types) one million tonnes of U3O8 is apparently good for only 1Q!

> Chris Hofmeyr

> chofmeyr@nnr.co.za

> 

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