Saturday, October 27, 2018

10/27/18 Report - On Moving Beaches: More Illustrations. Yosemite Tragedy.


Written by the TreasureGuide for the exclusive use of treasurebeachesreport.blogspot.com.

Old and New Photos of The North Fort Pierce Causeway Area.
Submitted by Dave J.
People often talk about how items sink and get moved on a beach.  Movement is a relative thing.

Beaches are dynamic.  Beach sand moves a lotHow the sand moves is often more important than how other items move.  That is often missed.

People often think that when an item or wreck suddenly shows up on a beach that it was washed up and when an item disappears, it sank.  Fact is that just as often the item moved little or not at all, but the sand moved.

Yesterday I was talking about how the sand moves and showed the Fort Pierce inlet area as one example.  Dave J. got what I was saying and did some research on his own.  He sent the above pictures of the area just north of the inlet for comparison.

Dave said, I was just looking at the FP inlet and used some old 1948, 1958 pictures of the corner at north causeway and A1A. Attached is old vs new and looks like an entirely new parcel of land was created (red outline). 

Thanks Dave! That is a great illustration.  

As I said yesterday, the area to the north of the inlet is an area of accretion, while the beach to the south of the inlet tends to erode.  That means that items to the north of the inlet will tend to get covered, while items to the south will get exposed when the sand erodes.

New discoveries are often made south of inlets where the natural flow of sand is interrupted, while older items to the north get covered.  That is on the west coast where the prevailing long shore currents are north to south.

If you want to buy beach front property, you might want to think about an area to the north where the beach will increase, instead of in an area where the beach will be disappearing.

Here is another look at the photo I posted yesterday.

Fort Pierce Inlet.
Compare that with the picture of the Jupiter Inlet (below).

Jupiter Inlet.
Notice the similarity.  Notice how much more narrow the beach is towards the top of the photo.  That is not all perspective.

Once again, the beach to the south of the inlet would be even farther back if it wasn't for all of the beach renourishment projects.

If the Jupiter wreck scattered to the north, it could now be under the accreted sand.

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This photo of a couple on a high ledge at Yosemite is real.  It looks like fantasy art, but it is not.  Yosemite has the most dramatic scenery of anywhere that I have been, and I'd recommend it to everyone, at least once.

Here is a link to a story about that.   Unfortunately a couple taking a selfie fell off.

https://sanfrancisco.cbslocal.com/2018/10/25/couple-fatal-fall-yosemite-parks-taft-point/

Many years ago I hiked up a trail that got VERY narrow and looked straight down hundreds of feet.  It was too much for me, and I turned around and went back down.  Once I got to the trail head, I looked back and saw a sign at the entrance that said, Trail Closed - Falling Rocks.  Didn't matter to me, because it was way too high and the path on the ledge way to narrow even if it was stable as the Rock of Gibraltar.

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The tides on the Treasure Coast are nice and high.  There is a beautiful full moon.

There won't be any big surf for a while.

Happy hunting,
TreasureGuide@comcast.net