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2015-09-05T00:00:00.000Z

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Wrong Stephen Dickson?

Mr. Stephen Dickson M.

Marine Geologist

Maine Geological Survey

Email: s***@***.gov

Maine Geological Survey

Background Information

Employment History

MrnGeologist
Maine State Library

Principal Investigator
Island Institute

Geologist
Maine Department of Conservation

Affiliations

Committee Member
NROC agencies

Education

Ph.D.

Web References (57 Total References)


"This has been an unusual summer," ...

www.pressherald.com [cached]

"This has been an unusual summer," said Stephen Dickson, a marine geologist with the Maine Geological Survey. "I don't recall in 20 years this being quite as popular a topic. There's certainly been a lot of discussion."

That discussion may continue well into the Labor Day weekend, traditionally the last big beach weekend in Maine.
Dickson said king tides - especially high tides, sometimes 2 or 3 feet higher than average - in the past week are remobilizing seaweed that is likely to wash ashore just in time for the holiday weekend.
REVISITING BEACH MAINTENANCE
The increase in seaweed stems from four factors: wind direction, spring tides, neap tides and surf. Spring tides - which have the largest range and occur around the full and new moons - create high water levels that can move seaweed from rocky shores, setting the wrack free to wash onto sandy beaches. There were many days in July with high water levels, Dickson said.
...
Dickson said a period of moderate waves in mid-July may have aided in stranding seaweed on the beach just as the tidal range was declining, leaving seaweed lingering high on beaches for days.


The new beach already was beginning ...

prorev.com [cached]

The new beach already was beginning to form, and while it still will be narrow this spring at high tide, the summer beach area will be "better than last year with the promise of being spectacular by the summer of 2012," Stephen Dickson, marine geologist with the Maine Geological Survey, said Thursday.

"There will be more beach-blanket space," Dickson promised, adding that it "ends the threat of erosion to the new bathhouses."
...
There had been other big winter storms working at the breach, but that storm, followed by a period of extended high tides, "let the low spot deepen into a full channel and set a new direction for the Morse River in about a week's time," as state geologists had predicted, Dickson explained.
Such a major shift in a river channel "is extremely rare in Maine, and for Popham Beach might occur once in every 20 to 30 years," Dickson said. He described Popham Beach as "the most dynamic beach in the state" because of the Morse River's movement.


The highest storm tide - the ...

www.sunjournal.com [cached]

The highest storm tide - the combination of tide level and storm surge - in Portland was recorded during the blizzard of 1978, said Stephen Dickson, a marine geologist with the Maine Geological Survey who will speak at the conference. On Feb. 7, 1978, a 2.5-foot storm surge combined with an 11.6-foot tide resulted in a total storm tide of 14.1 feet, he said.

But geologists recently learned that there have been storm surges of 4, 5 and 6 feet through the decades in Portland, according to tide gauge records going back to 1912. The highest storm surge on record was 6.5 feet, on Jan. 24, 1921, but that occurred during low tide so its impact was minimal.
"If we had a surge like that at high tide, we would have waters where we never had them before. And then we would have our own Sandy," Dickson said.


The highest storm tide -- the ...

lancasteronline.com [cached]

The highest storm tide -- the combination of tide level and storm surge -- in Portland was recorded during the blizzard of 1978, said Stephen Dickson, a marine geologist with the Maine Geological Survey who will speak at the conference. On Feb. 7, 1978, a 2.5-foot storm surge combined with an 11.6-foot tide resulted in a total storm tide of 14.1 feet, he said.

But geologists recently learned that there have been storm surges of 4, 5 and 6 feet through the decades in Portland, according to tide gauge records going back to 1912. The highest storm surge on record was 6.5 feet, on Jan. 24, 1921, but that occurred during low tide so its impact was minimal.
"If we had a surge like that at high tide, we would have waters where we never had them before. And then we would have our own Sandy," Dickson said.


About the Harpswell Heritage Land Trust: Press Releases

www.hhltmaine.org [cached]

The featured speaker at the meeting will be Stephen Dickson, Marine Geologist with the Maine Geological Survey. Mr. Dickson will speak on the geological processes that are occurring on the coast of Maine and the impact of rising sea levels on the near shore environment.

The doors will open at 6:30 p.m. with the meeting to start at 7 p.m. There will be a short business meeting before Mr. Dickson speaks. Light refreshments will be served.

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