14
Coastal Engineering: Theory and Practice
Table 1.2. Nature of coast of Tamil Nadu.
Chennai to Marakkanam
Crystalline rocks overlaid by sedimentary and
alluvial formation
Marakkanam to Coleroon mouth
Sand stone, shells, lime stone and clays
Coleroon to Ramanathapuram
Alluvial formation of beach sands and sand
dunes that rest on crystalline rocks
Ramanathapuram to Kannyakumari Alluvial formation of beach sands and sand
dunes resting on crystalline rocks
Kannyakumari to Kollengode
Sand and rock
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Latitude
(N)
Longitude
(E)
1
Pulicat
13°25’4.01"
80° 19'45.02"
Ennore
13°12'52.34" 80° 19'31.57"
3
Royapuram
13° 6'54.39"
80°l 8’5.33"
4
Marina-Chennai 13° 3'5.57"
80°16'59.75"
5
Foreshore estate 13° 1'28.31" 80° 16’43.30"
6
Besant nagar
12°59'58.45" 80°16’17.09"
7
Kovalam
12°47'19.27" 80°l 5’16.37"
8
Mahabalipuram 12°37'35.42" 80° 11’58.35"
9
Cuddalore
11°44'42.62" 79°47'15.58"
10
Port nova
ll°30'39.84" 79°46’22.89"
11
Poompuhar
11° 9'0.02"
79°51'24.10"
12
Tranquebar
11° 1'44.84" 79°51'22.16"
13
Nagapattinam
10°45'58.66” 79°5r5.11”
14
Velankanni
10°40'52.26" 79°5ril.86"
15
Vedaranyam
10°22’15.71" 79°52’16.20"
16
Point Calimere
10°16'48.72" 79°49'27.80"
17
Ammapattinam 10° 0'50.44" 79° 13'54.48”
18
Rameswaram
9°17'15.45" 79°19'12.15"
19
Keelkarai
9°13’39.66" 78°47’7.71"
20
Valinokkam
9°11'0.13"
78°38'46.23"
21
Thiruchendur
8°29'42.86" 78° 7'43.70"
22
Manappad
8°22'36.60" 78° 3'32.94"
23
Periathalai
8°20'4.07"
77°58'25.35"
24
Idinthakarai
8° 10'38.96" 77°44'43.80"
25
Kannyakumari
8° 4'45.37" 77°32'21.5r'
v
SI no Site
Latitude
(N)
Longitude
(E)
1
Vlanakkudy
8° 5’23.53"
77°28'37.82"
2
’allam
8° 5'53.18"
77°25'59.24"
3____ Vluttam
8° 7'27.63"
77°19'10.95"
1
J-MutUm
4 Maruv^iikiMichy
SCeUctel
4
Manavalakurichy 8° 8'32.30"
77°18'9.70"
5___Colachel
8°10'21.76"
77°15'13.69"
6
Enayam
8° 13'19.31"
77°11’4.21"
7
Eraiyumanturai
8°14'39.07"
77° 9'48.49"
Fig. 1.8 Coastal stretches along the maritime State of Tamil Nadu.
Coastal Engineering: Theory and Practice
Table 1.2. Nature of coast of Tamil Nadu.
Chennai to Marakkanam
Crystalline rocks overlaid by sedimentary and
alluvial formation
Marakkanam to Coleroon mouth
Sand stone, shells, lime stone and clays
Coleroon to Ramanathapuram
Alluvial formation of beach sands and sand
dunes that rest on crystalline rocks
Ramanathapuram to Kannyakumari Alluvial formation of beach sands and sand
dunes resting on crystalline rocks
Kannyakumari to Kollengode
Sand and rock
'
X
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BAYOF
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BEHGAL
a.
r
S
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H
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C,/ 17 PAL*BAY
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V œ
GULF Of
\
[ Z ?1
MAIMAR
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ARABIAM W
SfA
SI no Site
Latitude
(N)
Longitude
(E)
1
Pulicat
13°25’4.01"
80° 19'45.02"
Ennore
13°12'52.34" 80° 19'31.57"
3
Royapuram
13° 6'54.39"
80°l 8’5.33"
4
Marina-Chennai 13° 3'5.57"
80°16'59.75"
5
Foreshore estate 13° 1'28.31" 80° 16’43.30"
6
Besant nagar
12°59'58.45" 80°16’17.09"
7
Kovalam
12°47'19.27" 80°l 5’16.37"
8
Mahabalipuram 12°37'35.42" 80° 11’58.35"
9
Cuddalore
11°44'42.62" 79°47'15.58"
10
Port nova
ll°30'39.84" 79°46’22.89"
11
Poompuhar
11° 9'0.02"
79°51'24.10"
12
Tranquebar
11° 1'44.84" 79°51'22.16"
13
Nagapattinam
10°45'58.66” 79°5r5.11”
14
Velankanni
10°40'52.26" 79°5ril.86"
15
Vedaranyam
10°22’15.71" 79°52’16.20"
16
Point Calimere
10°16'48.72" 79°49'27.80"
17
Ammapattinam 10° 0'50.44" 79° 13'54.48”
18
Rameswaram
9°17'15.45" 79°19'12.15"
19
Keelkarai
9°13’39.66" 78°47’7.71"
20
Valinokkam
9°11'0.13"
78°38'46.23"
21
Thiruchendur
8°29'42.86" 78° 7'43.70"
22
Manappad
8°22'36.60" 78° 3'32.94"
23
Periathalai
8°20'4.07"
77°58'25.35"
24
Idinthakarai
8° 10'38.96" 77°44'43.80"
25
Kannyakumari
8° 4'45.37" 77°32'21.5r'
v
SI no Site
Latitude
(N)
Longitude
(E)
1
Vlanakkudy
8° 5’23.53"
77°28'37.82"
2
’allam
8° 5'53.18"
77°25'59.24"
3____ Vluttam
8° 7'27.63"
77°19'10.95"
1
J-MutUm
4 Maruv^iikiMichy
SCeUctel
4
Manavalakurichy 8° 8'32.30"
77°18'9.70"
5___Colachel
8°10'21.76"
77°15'13.69"
6
Enayam
8° 13'19.31"
77°11’4.21"
7
Eraiyumanturai
8°14'39.07"
77° 9'48.49"
Fig. 1.8 Coastal stretches along the maritime State of Tamil Nadu.