Table 1. Fire Island Inlet engineering activities (USACE-NAN (1998), USACE-NAN (1985),

Figure 5. Sand dike was created in 1959, to divert currents that caused heavy erosion focused on north side of inlet (Panuzio 1968).

Figure 6. Barrier Island morphology changes in response to engineering activities at Fire Island Inlet between 1940 and 2000.

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To appear: Shore & Beach, Vol 72, No. 1, 2004.

Table 1. Fire Island Inlet engineering activities (USACE-NAN (1998), USACE-NAN (1985),

CENAN Records (1998-2002). Adapted from: USACE (2002)

Date

Description

40 million cubic yards of embankment fill

5,000-ft stone jetty to halt Inlet migration

Dredging & Channel dredged to 15 ft deep and 200 ft wide; 400,000

Beach fill cubic yards from channel placed on 4,000-ft segment of Oak Beach

1946 - 55 Beach fill

Nourishment averaged 150,000 cy/year

Authorized channel dimensions modified to 10 ft deep & 250 Inlet

Storm results in new channel dimensions as modified in 1950 Inlet

Maintenance dredging 118,000 cubic yards

Advanced dredging to preclude northward channel shift

1,000,000 cubic yards along eastern segment of Fire Island

to Jones Inlet reach

Maintenance dredging 290,000 cubic yards

Dredging & 3,100,000 cubic yards dredged from the ebb shoal:

Beach fill 2,000,000 cubic yards placed on feeder beach west of Inlet

1,100,000 cubic yards to construct one-half mile closure dike

across channel along Oak Beach; referred to as the Thumb;

later fortified with riprap

Maintenance dredging 292,000 cubic yards

Dredging & 2,200,000 cubic yards dredged from Bay to protect Ocean

Beach fill Parkway

Maintenance dredging 747,000 cubic yards

Dredging & 1,925,000 cubic yards dredged from ebb shoal, placed on

Beach fill feeder beach

Material excavated to bolster revetted sand dike

Maintenance dredging 194,000 cubic yards placed at Cedar Inlet Channel

Dredging & Dredged from north of Gilgo Beach and placed on beach

Beach fill east of Gilgo Pavilion

Maintenance dredging 1,237,000 cubic yards

Maintenance dredging 5,005,000 cubic yards

Maintenance dredging 1,151,000 cubic yards

Maintenance dredging 4,398,000 cubic yards placed at Gilgo Inlet Channel

Dredging & Placement fronting traffic circle at Robert Moses

1994-Mar Dredging

Dredging 5,180,363 cubic yards: 4,317,250 placed at Gilgo

Beach and 863,113 at Robert Moses SP

Western Governors University

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