On Sat, Jun 15, 2013 at 08:44:12PM -0700, meekerdb wrote:
> On 6/15/2013 5:15 PM, Jason Resch wrote:
> >The point of this calculation is the very favorable rate of
> >exchange between carbon in the atmosphere and carbon in the soil.
> >To stop the carbon in the atmosphere from increasing, we only need
> >to grow the biomass in the soil by a hundredth of an inch per
> >year. Good topsoil contains about ten percent biomass,
> >[Schlesinger, 1977], so a hundredth of an inch of biomass growth
> >means about a tenth of an inch of topsoil. Changes in farming
> >practices such as no-till farming, avoiding the use of the plow,
> >cause biomass to grow at least as fast as this.
> I find this dubious. Sure the natural biomass/CO2 cycle is huge and
> so a 1% shift could cancel fossil fuel burning; the problem is that
> the shift has been going the other way (decreasing the land area
> used to accumulate biomass, also in Schlesinger 1977) and changing
> that will require drastic world-wide measures - which deniers like
> Dyson are going to delay indefinitely by providing excuses as to why
> no action is necessary.

I'm not sure that is what Dyson is doing though. If anything, I would
say he is asking for more research into biospheric effects on global

This is rather different from your average climate change denier who
would prefer that such research was not done at all.


Prof Russell Standish                  Phone 0425 253119 (mobile)
Principal, High Performance Coders
Visiting Professor of Mathematics      hpco...@hpcoders.com.au
University of New South Wales          http://www.hpcoders.com.au

You received this message because you are subscribed to the Google Groups 
"Everything List" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to everything-list+unsubscr...@googlegroups.com.
To post to this group, send email to everything-list@googlegroups.com.
Visit this group at http://groups.google.com/group/everything-list.
For more options, visit https://groups.google.com/groups/opt_out.

Reply via email to