The New Inlet and its Evolution since Sandy Charles Flagg, Research Professor Stony Brook University Roger Flood, Professor Robert Wilson, Assoc. Professor Dong-Ming Yang, Graduate Student Rich Giannotti, Pilot Don Richards, Pilot Rich Weissmann, Photographer Mike Ferigno, Photographer Justin Flagg, Photographer Brian Wasser, Photographer http://po.msrc.sunysb.edu/GSB
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The New Inlet and its Evolution since SandyCharles Flagg, Research ProfessorStony Brook University
Roger Flood, ProfessorRobert Wilson, Assoc. ProfessorDong-Ming Yang, Graduate Student
Tides Before and After Hurricane Sandy and the opening of the Breach at Old Inlet
Amplitude and Phase of the M2 tidal constituent, 12.42 hour period
Amplitude is ½ the tide range
USGS tide gaugeat Lindenhurst
Woods Hole
BellportLindehurst
Atlantic City
Chesapeake Bay
We have seen Wide Spread Sea Level Fluctuations
What Happens in Great South Bay is Often the Result of Ocean Forcing
Comparison of Previous Winter Water Level Fluctuations
Sandy
Bellport Bay Nitrogen Loaddata from 2010 thru 2012
Post Sandy
Data courtesy of theSuffolk County Department of Health Services
The New Inlet is a dynamic system that responds to tides, storm surges and ocean waves, and it will continue to evolve.
As part of this evolution, the inlet will continue to move west.
Although the inlet has increased in size since it was formed, it is uncertain whether this trend will continue as we move into the summer period with milder weather when sand typically is deposited on the beach.
The inlet is relatively small compared to the other inlets and this is reflected in the lack of change in the tide range at Bellport and the Great South Bay in general.
There is an increased exchange of waters with the ocean in the eastern Great South Bay and this will undoubtedly improve the water quality of the area.
We have experienced unusually frequent storms over the past months which have caused repeated local flooding through a combination of ocean and local Bay response to winds.
The Bay closely matches low-frequency ocean sea level changes and the existence of the new inlet has little to no impact on the Bay’s response.