overwash figures.pdf

480+00
20
18
16
14
12
dune
crest
width
8ft
back slope
H:1V
M.
10
,
front
slope
3H:1
8
LA'
,
6
-dune
height
7ft
above
existi
ig
4
0
Q 2
Z
A1HW
0
° -2
m
v
-4
W
-6
-8
-10
-12
-14
-16
-18
-20
-100 -50 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
Distance from Baseline (ft)
Structure 2020 Post Isaias -----• Isaias Push — Isaias Overwash

520+00
20
18
16
14
du
e cre
3t width
8 fi
12
ba
k slo
e 2H
1V
10
—dune
hei
ht 7 f
t aboi
e exis
ting
8
6
fror
t slop
3H:
V
00 4
00
0
a 2
Z
0
M11W
-2
a,
-4
w
-6
-8
-10
-12
-14
-16
-18
-20
-100 -50 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
Distance from Baseline (ft)
Structure 2020 Post Isaias Isaias Overwash

550+00
20
18
16
14
dund
crest
widtf
8 ft
12
back
slol
e 2H
IV
10
front
slop
3H:1
s
6
bpi
ft above
existing
diine
t 7
00 4
0
a 2
z
z 0
H
c
°
-2
a,
-4
w
-6
-8
-10
-12
-14
-16
-18
-20
-100 -50 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
Distance from Baseline (ft)
Structure 2020 Post Isaias Isaias Overwash

670+00
Note: within IHA
20
18
16
14
12
10
dune
crest
w
dth 8
ft
8
6
ont s
o e 3H:1V
4
back s
ope
H:1 V
une
eigh
7 ft above
existing
00
0
a 2
z
o
HW
-2
a,
-4
w
-6
-8
-10
-12
-14
-16
-18
-20
-100 -50 0 50 100 150 200 250 300 350 400 450 500 550 600 650 700 750 800 850 900 950 1000
Distance from Baseline (ft)
Structure 2020 Post Isaias — Isaias Overwash