Re: A Republican!!!!!! (was Re: OT: sponge burning!)
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On 03/01/07 12:52, Paul Johnson wrote:
> Ron Johnson wrote:
>
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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.
>
> Depends on the location. The Columbia River was not exactly a navigable
> waterway above Bonneville Falls before the Bonneville Power Administration
> started building dams.
We were talking about the river that runs thru the plains states and
down thru Louisiana and Mississippi.
>
>
>> And in the spring flood stages, a slower river means more floods.
>
>
>
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