[ExI] Diminishing influence of increasing carbon dioxide on temperature

[BillK]

On Fri, Aug 15, 2014 at 10:34 AM, Anders Sandberg wrote:
<snip calculations>
> So I would be surprised if geothermal had a huge influence on Venusian
> surface temperatures. The solar input is on the order of 2613 W/m^2: to
> measure up you need a geothermal flow higher than Io's 2 W/m^2 - by a factor
> of a thousand! I think we would notice those eruptions. Also, that would
> assume an optically thin atmosphere, which we know is not true given
> observations. One can of course tone down the geothermal and make the
> atmosphere more opaque, but it seems that when we start to reach scenarios
> compatible with a solid surface we will already have added enough greenhouse
> to make geothermal rather moot.
>

I found some more articles agreeing with you and with even more juicy
equations for your delectation.

<http://scholarsandrogues.com/2013/02/04/venus-surface-temp-series-updated/>
<http://scholarsandrogues.com/2011/05/02/venus-climate-i-venus-surface-hot/>
<http://scholarsandrogues.com/2011/05/03/venus-climate-ii-internal-heating/>
<http://scholarsandrogues.com/2011/05/04/venus-climate-iii-geologically-young/>
<http://scholarsandrogues.com/2011/05/05/venus-climate-iv-recent-collision/>
<http://scholarsandrogues.com/2011/05/06/venus-climate-v-co2-heating/>

BillK