Galveston Topics: EP's private lake,sr question?

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	Name:	Pier Pressure -
	Subject:	EP's private lake,sr question?
	Date:	4/21/2008 12:19:15 PM

That was a very good post. Drive by (on the water) Wind Creek and see their shoreline erosion walls. They are angled with the "Natural" lay of the land"

One thing I would like to point out. Someone mentioned "Natural Shoreline". I get to see the natural shoreline of Martin on occasion, and unless you are use to 54 degree water at 80 plus feet deep, do not talk to me about "Natural Shoreline". Man made this lake, and it is completely unnatural to attempt to keep the shoreline "in check" to begin with.

Google the Mississippi river delta and look at the satelite pictures. Look at the Alabama River between Ft Touloue and Montgomery. There are many areas where the river use to flow that are now "Natural" lakes.

The Pacific Ocean in California has cliffs that erode at a certain rate each year.

These are "Natural Shorelines", and ALL are affected by NATURAL WAVE ACTION / HYDROLIC FORCE"

Lakes all throughout the U.S. are filling with silt from the feeder streams. The Colorado river has numerous fish species becoming extinct because by daming up the rivers they have changed the "Natural Shoreline", annual water temp and other factors.

I scuba dive in lake Martin. The erosion that I witness is constant from the current shoreline, through 80 feet depth. Waves only affect of the wave height x 2 (or the amplitude of the wave). So if you have a maximum 4 ft wave, you can only have a maximum affect of 8 feet vertical to the shoreline.

When dam was built they cut trees off at the surface. Everyone witnessed thie year that the original stumps are exposed. They are exposed at a constant rate, regardless of where they are on the lake and regardless of how much wave action the particular part of the lake is. The height of these stumps is constant from the current surface to the deepest points of the lake.

So, I submit as a hypothesis (observed/educated GUESS) that the lake erosion is not a factor of the surface wave action, but a result of top soil dissolving and simply being carried away over time.

One factor I submit it the fact that as the water was going down last year you could put your foot 2 to 4 foot deep into the mud (similar "Silt" observations made at 80 plus feet deep). There were pictures posted of a young boy almost waist deep in the "Silt". Once the sun hit this "Silt" and it dried it became hard enough once more to walk on. So, I suggest that the top soil is "dissolving", not being broken down by wave action.

Also, if you have ever walked the beach (actual beach, at the ocean) in a time of low tide after a storm you see the sand creates "shelves" as I call them. 3 to 6 foot drop offs caused by wave action. When the water is down in the winter, is a similar "shelf" created on Lake Martin? The answer is "No". When you go down to the average winter depth, can you see any "drop off" caused by boats or other wave action? The answer is no, there are not 2 distinct shorelines, and no one has to build a winter "Sea wall", because the only reason is to protect "Property". Mother Nature does not care how pretty your shoreline is, as she will arrange it as she pleases... I like the idea of natural lay of the land type erosion prevention techniques. Wonder why no one is marketing these?