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Old 10-22-2022, 05:40 PM
 
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Quote:
Originally Posted by Hudlander View Post
Thanks, so these will help explain why the CB has relatively so few beaches compared to other US coastlines, like the Long Island Sound, Gulf Coast, etc.?
Sort of. Those studies I mentioned are kinda math-heavy. If you want articles written more in layman terms

https://www.dcr.virginia.gov/soil-an...apeake-bay.pdf
https://scholarworks.wm.edu/reports/581/

The areas you mention front on the ocean, or close to it. The Chesapeake shorelines are mostly shaped by tributaries except for the southern mouth. The Chesapeake Bay has been heavily modified over the centuries by manmade activities, such as hardscape (roads, parking lots etc.), jetties and seawalls. Left to their own natural proclivities, marshes and beaches move inland as water levels rise. When heavily modified by humans, the natural sand replenishment processes no longer happen as before and existing land is subject to even stronger erosion processes and heavier storm damage based on the geological morphology of those particular shorelines.
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Old 10-23-2022, 07:15 PM
 
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Thanks, I skimmed it over, it was a little dense and didn't directly say why the CB has so few beaches compared to other sounds/gulfs.
I gather however that this is mainly because the CB used to be the Susquehanna River, and thus the CB is formed more like that of a river vs an ocean, and we know river shorelines always have much less beaches, correct?
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Old 11-07-2022, 01:16 PM
 
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Am I correct, that this is mainly because the CB used to be the Susquehanna River, and thus the CB is formed more like that of a river vs an ocean, and we know river shorelines always have much less beaches, correct?
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Old 11-14-2022, 05:15 PM
 
1,751 posts, read 2,405,078 times
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Quote:
Originally Posted by Hudlander View Post
Am I correct, that this is mainly because the CB used to be the Susquehanna River, and thus the CB is formed more like that of a river vs an ocean, and we know river shorelines always have much less beaches, correct?
You seem to want a simple answer to your question about prevalence and types of Chesapeake Bay beaches compared with other areas. There is no simple answer, the Chesapeake Bay is a dynamic system with complex variables and an ancient history.

You are correct that, currently, scientists believe that the origin of the Bay started with the Susquehanna River. Many people don’t realize that the Susquehanna is one of the oldest rivers on the planet, formed over 300 million years ago on a different continent, well before the Atlantic Ocean existed. (The ironically-named New River in PA/WV/VA is older.) About 35 million years ago an asteroid hit, between present day Norfolk and Cape Charles, changing the steep Susquehanna canyon into the broader basin of today’s Chesapeake Bay. That basin gradually filled during the extreme flooding around 10,000-15,000 years ago.

The formation and composition of beaches depends on the underlying geology of the area, wave energy, and whether the beach topology is reflective or dissipative among other factors. If you are interested in studies of specific estuary beaches on the western shore of the Chesapeake, see

Estuarine Beaches of the Bay | Virginia Institute of Marine Science (vims.edu)
https://www.vims.edu/GreyLit/VIMS/SandsChesapeake07.pdf
https://scholarworks.wm.edu/cgi/view...ontext=reports

If you are truly interested in Chesapeake Bay shoreline mechanics and a chance to talk with experts, I suggest that you take a Poplar Island tour. Poplar Island Restoration Project Home Page Those run from Tilghman Island MD in the summer. Poplar Island Tours - https://tourtalbot.org/businesses/poplar-island-tours/

Last edited by ersatz; 11-14-2022 at 05:35 PM.. Reason: Fixed broken links
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Old 11-16-2022, 10:38 AM
 
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Thanks, I read a few those already.
To be honest, I just am looking for as simple an answer there is on why the western Chesapeake shore has so few beaches, compared to other shorelines like the Gulf Coast or Long Island Sound.
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