Basic HTML Version
12
i
l f b k
WATER YEAR : 2013
KHONG RIVER BASIN
Nam Un at Ban Na Wa , Nakhon Phanom (Kh.54)
Lat 17 - 29 - 33 N Long 104 - 06 - 50 E
Locat on : on e t an at Ban Na Wa.
3,123
sq.km.
Water - stage recorder.
+138.050 m. (MSL.)
B.M.- H.D.
On left bank at the footpath of the bridge.
Elevation
Recording
+149.914 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Na Wa
Changwat
Nakhon Phanom
Ban
Na Wa
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings
1970 to date
1970 to date
-
1970 to date
Rather unstable because of backwater effect.
No overbank flow.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Records good. Stage-discharge relation defined by 26 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
140.76
140.68
142.64
142.17
146.82
144.76
142.62
141.05
140.72
140.84
140.69
140.69
2
140.75
140.69
142.25
141.72
146.87
144.86
142.66
141.04
140.70
140.84
140.69
140.69
3
140.73
140.71
141.70
141.18
146.88
144.64
142.85
141.04
140.70
140.83
140.69
140.69
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
140.72
140.71
141.35
141.04
146.87
144.51
142.94
141.03
140.70
140.81
140.69
140.69
5
140.71
140.72
141.24
141.04
146.85
144.37
142.82
141.00
140.69
140.81
140.69
140.70
6
140.70
140.76
141.30
141.06
146.80
144.27
142.52
141.00
140.68
140.79
140.69
140.72
7
140.69
140.79
141.40
141.23
146.84
144.20
142.09
140.97
140.68
140.77
140.69
140.79
8
140.67
140.90
141.44
141.22
146.88
144.09
141.56
140.94
140.68
140.76
140.69
140.87
9
140.67
140.71
141.37
141.15
146.89
143.98
141.21
140.89
140.68
140.72
140.69
140.87
10
140.67
140.70
141.28
141.20
146.86
143.88
141.02
140.82
140.67
140.69
140.69
140.86
11
140.66
140.71
141.27
141.42
146.85
143.85
141.00
140.75
140.67
140.69
140.69
140.86
12
140 65
140 72
141 44
141 96
146 85
143 83
141 02
140 75
140 67
140 69
140 69
140 86
.
.
.
.
.
.
.
.
.
.
.
.
13
140.64
140.98
142.33
142.03
146.82
143.82
140.93
140.76
140.67
140.69
140.69
140.86
14
140.64
141.22
142.87
141.98
146.76
143.81
140.81
140.76
140.67
140.69
140.69
140.86
15
140.65
141.20
143.00
141.77
146.70
143.93
140.82
140.76
140.67
140.69
140.70
140.86
16
140.66
141.14
142.88
141.57
146.62
144.03
141.02
140.76
140.66
140.69
140.70
140.85
17
140.66
141.03
142.57
141.77
146.54
144.18
141.19
140.75
140.66
140.69
140.70
140.85
18
140.66
140.95
142.02
141.93
146.45
144.34
141.27
140.75
140.66
140.69
140.70
140.85
19
140.68
140.90
141.37
142.30
146.33
144.45
141.48
140.75
140.66
140.69
140.70
140.85
20
140.68
140.90
141.07
142.69
146.19
144.49
141.64
140.75
140.71
140.69
140.70
140.86
21
140.68
140.89
141.03
143.31
146.02
144.48
141.62
140.75
140.85
140.69
140.70
140.86
22
140.68
141.01
141.03
143.85
145.85
144.43
141.59
140.75
140.96
140.69
140.70
140.86
23
140.68
141.28
141.12
144.66
145.68
144.33
141.55
140.76
140.97
140.69
140.69
140.86
24
140.68
141.52
141.30
145.04
145.57
144.29
141.50
140.76
140.90
140.69
140.69
140.86
25
140.68
142.09
141.76
145.26
145.50
144.22
141.38
140.75
140.80
140.69
140.69
140.87
26
140.68
142.81
142.25
145.33
145.40
144.08
141.27
140.75
140.80
140.69
140.69
140.87
27
140.68
143.22
142.57
145.39
145.25
143.84
141.23
140.75
140.82
140.69
140.69
140.87
28
140.69
143.28
142.91
145.76
145.06
143.53
141.19
140.75
140.85
140.69
140.69
140.87
29
140.69
143.20
142.95
146.30
144.94
143.22
141.14
140.75
140.85
140.69
140.87
30
140.68
143.10
142.62
146.63
144.82
142.85
141.07
140.74
140.85
140.69
140.87
31
142.98
146.77
144.77
141.04
140.85
140.69
140.87
----------
--------------
Mean
140.68
141.37
141.88
142.93
146.24
144.12
141.55
140.83
140.75
140.72
140.69
140.83
Max
140.76
143.28
143.00
146.77
146.89
144.86
142.94
141.05
140.97
140.84
140.70
140.87
146.89
Min
140.64
140.68
141.03
141.04
144.77
142.85
140.81
140.74
140.66
140.69
140.69
140.69
140.64
146.90
m. (MSL.) ,
138.05
m. (MSL.) ,
River Bed 138.67
m. (MSL.)
149.74
m. (MSL.) ,
148.74
m. (MSL.) ,
Drainage Area 3123 Square Kilometers
at 01.00 Hours , on Aug 9 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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