Basic HTML Version
634
Location : on left bank at the bridge.
1,358
sq.km.
WATER YEAR : 2014
SOUTHERN PENINSULA EAST COAST
Kolok River at Lantu Bridge , Narathiwat (X.119A)
Lat 06 - 01 - 13 N Long 101 - 58 - 40 E
Drainge Area
Amphoe
Sungai Kolok
Changwat
Narathiwat
Ban
-
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank in front of gage observer's house.
Elevation
Recording
Arithmetic mean of 24 readings
1988 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+10.000 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1988 to date
-
2004 to date
Fairly stable.
Overbank flow starts at elevation +9.760 m.(MSL.), records are channel flow only.
Records good. Stage-discharge relation defined by 36 discharge measurements made in 2014.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
3.31
3.14
4.44
3.76
3.83
4.76
4.04
5.44
5.21
8.93
4.12
3.50
2
3.37
3.11
4.35
3.76
3.83
5.02
4.80
5.85
4.98
8.38
4.06
3.48
3
3.45
3.08
3.99
3.82
3.86
4.88
5.74
6.50
5.08
7.62
4.01
3.45
4
3.40
3.06
3.92
4.04
4.01
4.66
6.26
6.32
5.26
6.87
3.96
3.43
5
3.37
3.06
4.14
4.74
3.91
4.94
6.32
6.55
5.13
6.33
3.92
3.42
6
3.34
3.06
4.78
4.72
4.19
4.82
5.72
6.31
5.27
5.99
3.88
3.40
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2014 to March 31, 2015
7
3.32
3.07
4.73
4.77
5.01
4.54
5.27
6.01
5.23
6.06
3.85
3.37
8
3.29
3.08
4.18
4.52
4.73
4.36
5.15
6.06
5.36
7.11
3.81
3.35
9
3.26
3.06
4.10
4.18
4.43
4.20
4.85
6.29
5.32
8.38
3.78
3.33
10
3.24
3.08
4.28
4.04
4.26
4.08
4.70
6.00
5.01
8.81
3.77
3.32
11
3.22
3.07
4.49
4.11
4.01
4.02
5.19
5.58
4.69
8.70
3.77
3.32
12
3.20
3.11
4.69
4.01
4.02
4.13
6.18
5.25
4.49
8.74
3.77
3.30
13
3.17
3.10
4.33
3.90
5.06
4.11
5.99
5.33
4.37
8.33
3.77
3.26
14
3.15
3.30
3.94
3.83
5.17
4.01
5.55
5.94
4.28
7.38
3.77
3.25
15
3.14
3.70
3.76
3.83
5.16
4.09
5.19
6.14
5.00
6.56
3.77
3.26
16
3.13
3.61
3.75
3.83
5.26
4.08
4.98
6.01
7.15
6.06
3.76
3.25
17
3.12
3.36
3.70
3.88
4.75
3.98
4.86
5.98
8.97
5.69
3.76
3.23
18
3.12
3.34
3.59
3.92
5.24
4.06
5.65
6.61
10.38
5.43
3.76
3.22
19
3.17
3.32
3.52
3.83
5.80
4.32
5.82
7.99
10.14
5.24
3.76
3.21
20
3.24
3.34
3.50
3.83
5.74
4.07
6.37
8.73
10.01
5.14
3.76
3.20
21
3.29
3.35
3.45
3.83
6.13
4.08
6.02
8.78
9.99
4.97
3.76
3.18
22
3.31
3.29
3.39
3.83
5.89
4.36
5.55
8.27
10.09
4.82
3.76
3.17
23
3.29
3.29
3.36
3.83
5.40
4.76
5.52
7.34
10.00
4.71
3.76
3.15
24
3.24
3.25
3.35
3.83
5.00
4.86
6.84
6.55
9.99
4.61
3.76
3.14
25
3.19
3.27
3.33
3.83
4.76
4.51
7.95
6.15
10.10
4.52
3.76
3.13
26
3.17
3.24
3.32
3.83
4.97
4.24
8.33
5.83
9.97
4.47
3.76
3.15
27
3.14
3.20
3.29
3.83
5.49
4.50
7.93
5.88
9.81
4.43
3.76
3.14
28
3.15
3.33
3.34
3.83
5.28
4.36
6.83
5.88
9.74
4.36
3.76
3.14
29
3.16
3.66
3.51
3.83
4.79
4.11
6.03
5.94
9.60
4.29
3.14
30
3.14
3.73
3.66
3.83
4.52
3.98
6.46
5.52
9.48
4.30
3.11
31
3.80
3.83
4.34
6.03
9.34
4.26
3.08
----------
--------------
Mean
3.24
3.27
3.87
3.98
4.80
4.36
5.87
6.37
7.40
6.18
3.82
3.26
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Max
3.45
3.80
4.78
4.77
6.13
5.02
8.33
8.78
10.38
8.93
4.12
3.50
10.38
Min
3.12
3.06
3.29
3.76
3.83
3.98
4.04
5.25
4.28
4.26
3.76
3.08
3.06
10.50
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 1.09
m. (MSL.)
10.65
m. (MSL.) ,
9.75
m. (MSL.) ,
Drainage Area 1358 Square Kilometers
at 10.00 Hours , on Dec 18 , 2014
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation