Re: A Republican!!!!!! (was Re: OT: sponge burning!)

[Ron Johnson <ron.l.johnson@cox.net>]

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On 02/28/07 12:58, judd@wadsworth.org wrote:
> On 27 Feb, Ron Johnson wrote:
> 
>>> It's not stupid if you haven't been there.
>> I thought you were smarter than that.
>>
>> Presuming you're not:
>>
>> Mountains and valleys (great for filling up with dammed water) are
>> the predominant geological feature of the areas of the Columbia and
>> Snake rivers where those hydro dams are located.
>>
>> Mountains and valleys are *not* the predominant geological feature
>> of the Great Plains states, or those uber-mountainous states like
>> Louisiana and Mississippi.
>>
> 
>      But there are turbines which are designed to extract energy
> from the flow of a river without the need of significant height 
> gradients.  And tidewater generators don't rely on any (land)
> topography, so the question is not entirely unreasonable.

Taking energy out of the river means it slows down, depositing more
silt, and in unexpected places.  Which means impaired ship
navigation and more dredging.

And in the spring flood stages, a slower river means more floods.


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