Gadilum estuary
Gadilum estuary
|
Name of the River
|
Gadilum
|
|
Place
|
Cuddalore
|
|
District
|
Cuddalore
|
|
State
|
Tamil Nadu
|
|
Important land marks
|
Silver Beach
|
|
Average depth
|
3.5 m
|
|
Water temperature
|
32°C
|
|
Nature of the Substratum
|
Sandy-Muddy
|
|
Salinity
|
31.00 ppt
|
|
Dissolved oxygen
|
2.07
|
|
Commercially important shellfishes
|
Crassostrea madrasensis
|
Image
River Basin Map
Physico-chemical Parameters
Grain size parameters of Gadilam river Upstream core sediment samples
|
Loc. No
|
Division
|
Mean
|
Sorting
|
Skewness
|
Kurtosis
|
Remarks
|
|
8
|
Top
|
2.04
|
1.01
|
0.26
|
1.09
|
FS
|
PSO
|
FSK
|
MKU
|
|
Middle
|
1.20
|
0.56
|
-0.13
|
0.78
|
MS
|
MWSO
|
CSK
|
PKU
|
|
Bottom
|
1.16
|
0.59
|
-0.06
|
0.75
|
MS
|
MWSO
|
SM
|
PKU
|
|
9
|
Top
|
0.87
|
0.63
|
0.32
|
0.73
|
CS
|
MWSO
|
VFSK
|
PKU
|
|
Middle
|
0.73
|
0.64
|
0.56
|
0.78
|
CS
|
MWSO
|
VFSK
|
PKU
|
|
Bottom
|
0.93
|
0.65
|
0.11
|
0.77
|
CS
|
MWSO
|
FSK
|
PKU
|
|
10
|
Top
|
0.85
|
0.66
|
0.36
|
0.77
|
CS
|
MWSO
|
VFSK
|
PKU
|
|
Middle
|
0.94
|
0.68
|
0.17
|
0.66
|
CS
|
MWSO
|
FSK
|
VPKU
|
|
Bottom
|
0.74
|
0.65
|
0.57
|
0.73
|
CS
|
MWSO
|
VFSK
|
PKU
|
|
11
|
Top
|
1.00
|
0.82
|
0.38
|
0.74
|
MS
|
MSO
|
VFSK
|
PKU
|
|
Middle
|
0.93
|
0.73
|
0.30
|
0.68
|
CS
|
MSO
|
VFSK
|
PKU
|
|
Bottom
|
0.96
|
0.74
|
0.27
|
0.68
|
CS
|
MSO
|
FSK
|
PKU
|
|
12
|
Top
|
0.98
|
0.91
|
0.49
|
0.98
|
CS
|
MSO
|
VFSK
|
MKU
|
|
Middle
|
1.01
|
0.89
|
0.41
|
1.05
|
MS
|
MSO
|
VFSK
|
MKU
|
|
Bottom
|
1.07
|
0.91
|
0.29
|
0.98
|
MS
|
MSO
|
FSK
|
MKU
|
|
13
|
Top
|
0.71
|
0.71
|
0.62
|
1.15
|
CS
|
MSO
|
VFSK
|
LKU
|
|
Middle
|
0.50
|
0.51
|
0.50
|
1.37
|
CS
|
MWSO
|
VFSK
|
LKU
|
|
Bottom
|
0.57
|
0.57
|
0.55
|
1.22
|
CS
|
MWSO
|
VFSK
|
LKU
|
|
14
|
Top
|
0.87
|
0.70
|
0.40
|
0.59
|
CS
|
MWSO
|
VFSK
|
VPKU
|
|
Middle
|
0.79
|
0.66
|
0.51
|
0.68
|
CS
|
MWSO
|
VFSK
|
PKU
|
|
Bottom
|
0.89
|
0.71
|
0.34
|
0.63
|
CS
|
MSO
|
VFSK
|
VPKU
|
Note: FS-Fine Sand, CS-Coarse Sand, MS-Medium Sand, MSO-Medium Sorted, MWSO- Moderately Well Sorted, PSO-Poorly Sorted, SM-Symmetrical, FSK-Fine Skewed, VFSK-Very Fine Skewed, CSK-Coarse Skewed, MKU-Mesokurtic, PKU-Platykurtic, VPKU-Very Platykurtic, LKU-Leptokurtic, VLKU-Very Leptokurtic.
Heavy metal concentration in water (Gadilam River) (mg/l)
References
Manivel, T., M.V.Mukesh, A.Chandrasekaran, R. Rajmohan, T. Immauel David and R. Premkumar, 2016. Studies on textural characteristics of sediments in Lower Gadilam River, Cuddalore District, Tamilnadu, India. International Journal of Advanced Research, 4(2): 694–705.
Manivel, T., M.V. Mukesh, A. Chandrasekaran, R. Muthukumarasamy and R. Rajmohan, 2016. Geochemical Distribution of Trace Metals in Water of Lower Gadilam River, Cuddalore District, Tamil Nadu, India. International Research Journal of Earth Sciences, 5(4): 33–41.