Re: Google Earth: Elevation of water?

Stan Gosnell <me@xxxxxxxx> wrote:

>Terry Pinnell <terrypinDELETE@xxxxxxxxxxxxxxxxxxx> wrote in
>news:5956h1571k8ses8edudupnugk41b07fsnt@xxxxxxx:
>
>> As I move the hand pointer across a lake, the displayed data for
>> 'Elevation' plainly varies, so I assume it must be the altitude above
>> sea level of the ground at that point? It plainly cannot be the
>> surface!
>
>Yes, altitudes are reported as height above mean sea level. The English
>channel water altitude actually varies, as the tide rises and ebbs, but the
>mean sea level is used as a datum. There are bodies of water thousands of
>feet above sea level, and their altitudes would not be shown as zero, just
>as the mountain nearby (perhaps below water level) would not be shown as
>zero, or below.

Maybe you misread my post. I was asking why GE reported a small lake's
surface at 'elevations' varying widely (50 ft or so) across a few
hundred feet horizontally. I was guessing it must be reporting
*ground* elevations.

--
Terry, West Sussex, UK
.

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