Marco Island Nourishment Performance

Marco Island Main Page

Design Parameters

Shoreline Change Plots

Volume Change Plots

Performance Table

Performance Summary

Marco Island

*Changes from October-90 Pre-Construction
Central Beach Fill Performance
Years of Post Construction	Date of Survey	Volume Above -10'				Volume Above MHW
		Remaining (%)	Changes* (cy/ft)			Remaining (%)	Changes* (cy/ft)
		Remaining (%)	Avg.	Max	Min	Remaining (%)	Avg.	Max	Min
0	4-1991	100	120	179	64	100	46	59	25
0.5	10-1991	97	116	167	62	100	46	62	25
1.5	8-1992	113	135	207	74	100	46	65	30
2.5	9-1993	106	126	233	69	101	46	76	26
3.5	10-1994	122	144	246	72	102	46	82	23
4.5	9-1995	114	135	262	33	102	46	84	21
5.5	9-1996	133	159	257	71	105	47	84	24
6.5	11-1997	139	167	258	74	109	49	83	25
7.5	10-1998	138	166	244	67	98	44	68	27
8.5	10-1999	152	184	263	101	103	47	74	30
10.5	11-2001	190	228	318	161	127	57	95	28

Central Beach Fill Performance
Years of Post Construction	Date of Survey	Shoreline (MHW) Changes* (ft.)
Years of Post Construction	Date of Survey	Avg.	Max.	Min.
0	4-1991	277	376	161
0.5	10-1991	276	420	161
1.5	8-1992	264	430	171
2.5	9-1993	311	669	169
3.5	10-1994	315	688	165
4.5	9-1995	313	700	135
5.5	9-1996	330	721	185
6.5	11-1997	335	682	187
7.5	10-1998	317	635	179
8.5	10-1999	317	622	183
10.5	11-2001	364	826	188

*Changes from October-90 Pre-Construction
South Beach Fill Performance
Years of Post Construction	Date of Survey	Volume Above -10'				Volume Above MHW
		Remaining (%)	Changes* (cy/ft)			Remaining (%)	Changes* (cy/ft)
		Remaining (%)	Avg.	Max	Min	Remaining (%)	Avg.	Max	Min
0	4-1991	100	107	185	41	100	44	71	20
0.5	10-1991	99	103	155	43	99	43	59	21
1.5	8-1992	92	95	129	33	99	43	55	19
2.5	9-1993	84	86	116	33	95	41	52	20
3.5	10-1994	83	80	112	39	87	35	49	16
4.5	9-1995	73	69	103	37	86	36	42	25
5.5	9-1996	79	76	97	46	81	34	41	21
6.5	11-1997	88	85	118	54	93	39	48	23
7.5	10-1998	80	75	105	31	73	29	38	13
8.5	10-1999	86	81	108	38	78	31	42	14
10.5	11-2001	92	89	108	71	89	37	45	24

South Beach Fill Performance
Years of Post Construction	Date of Survey	Shoreline (MHW) Changes* (ft.)
Years of Post Construction	Date of Survey	Avg.	Max.	Min.
0	4-1991	237	339	132
0.5	10-1991	225	342	134
1.5	8-1992	212	314	124
2.5	9-1993	202	296	121
3.5	10-1994	198	277	126
4.5	9-1995	168	239	25
5.5	9-1996	173	228	76
6.5	11-1997	185	253	86
7.5	10-1998	164	237	-16
8.5	10-1999	169	218	71
10.5	11-2001	170	213	62

© 2003 Beaches & Shores Resource Center
Florida State University