Basic HTML Version
42
Location : on right bank at the bridge on the road about 2 kilometers from Amphoe Khun Tan.
6,266
sq.km.
WATER YEAR : 2011
NAM MAE ING RIVER BASIN
Nam Mae Ing at Ban Nam Ing , Chiang Rai (I.14)
Lat 19 - 49 - 56 N Long 100 - 12 - 15 E
Drainge Area
Amphoe
Khun Tan
Changwat
Chiang Rai
Ban
Nam Ing
Staff gage
+351.430 m. (MSL.)
B.M.-H.D.
On right bank downstream side at the approach of the bridge.
Elevation
3-time daily readings at 06.00, 12.00 and 18.00 hours.
Arithmetic means of 3 readings
1993 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+361.805 m. (MSL.)
Type of Gage
Bench Mark
Location BM
1993 to date
-
1993 to date
Stable.
No overbank flow.
Records good. Flow effected by the local weir about 100 meters downstream from the gage site.
Stage-discharge relation defined by 48 discharge measurements made in 2011.
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
352.53
352.67
354.87
357.73
355.93
359.41
357.00
355.25
353.28
352.75
352.66
352.55
2
352.53
352.70
354.63
357.68
355.73
359.36
357.35
355.13
353.27
352.74
352.66
352.54
3
352.51
352.73
354.41
357.63
355.76
359.25
357.84
355.15
353.26
352.74
352.66
352.53
4
352.51
352.80
354.25
357.51
355.77
359.16
357.95
355.09
353.25
352.74
352.66
352.52
5
352.51
353.28
354.08
357.26
355.66
359.14
357.86
355.02
353.24
352.73
352.66
352.51
6
352.50
353.38
353.94
357.00
355.64
359.19
357.73
354.93
353.23
352.73
352.66
352.52
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Gage Height in Meter (MSL.) Water Year April 1, 2011 to March 31, 2012
7
352.49
353.59
353.98
356.80
355.92
359.22
357.66
354.83
353.22
352.73
352.65
352.62
8
352.49
353.70
354.15
356.58
356.98
359.17
357.59
354.69
353.21
352.72
352.64
352.68
9
352.49
353.88
354.24
356.38
357.80
359.10
357.43
354.27
353.18
352.72
352.63
352.69
10
352.50
354.36
354.36
356.45
358.08
359.01
357.43
354.28
353.18
352.72
352.63
352.73
11
352.57
355.32
354.42
355.89
358.33
358.91
357.28
354.26
353.16
352.74
352.63
352.75
12
352.65
355.70
353.98
355.63
358.73
358.71
357.08
354.13
353.14
352.73
352.63
352.78
13
352.65
355.40
353.82
355.33
359.10
358.53
356.85
353.98
353.14
352.73
352.61
352.80
14
352.66
355.15
353.77
355.33
359.28
358.23
356.30
353.82
353.14
352.73
352.60
352.82
15
352.65
355.11
353.48
356.01
359.33
358.13
356.32
353.75
353.13
352.74
352.56
352.83
16
352.65
355.28
353.30
356.75
359.31
358.11
356.18
353.72
353.09
352.75
352.54
352.99
17
352.63
355.48
353.13
357.41
359.25
358.10
356.18
353.64
353.04
352.78
352.55
353.15
18
352.63
355.73
353.14
357.89
359.16
358.01
356.18
353.62
352.99
352.77
352.59
353.10
19
352.60
356.15
353.19
357.99
359.09
358.00
355.96
353.57
352.93
352.75
352.58
353.05
20
352.54
356.43
353.24
357.83
358.94
358.13
355.81
353.52
352.87
352.74
352.58
353.01
21
352.53
356.63
353.25
357.76
359.08
358.25
355.74
353.45
352.84
352.73
352.58
352.97
22
352.54
356.61
353.19
357.73
359.39
358.33
355.68
353.41
352.83
352.73
352.58
352.93
23
352.55
356.51
353.08
357.58
359.61
358.29
355.65
353.36
352.83
352.71
352.58
352.90
24
352.56
356.36
353.02
357.40
359.71
358.23
355.57
353.30
352.83
352.68
352.58
352.87
25
352.57
356.11
352.98
357.31
359.71
358.14
355.53
353.28
352.82
352.69
352.58
352.82
26
352.58
355.87
353.41
357.31
359.66
357.93
355.52
353.27
352.82
352.68
352.58
352.80
27
352.62
355.57
355.39
357.18
359.61
357.73
355.46
353.26
352.81
352.68
352.58
352.80
28
352.63
355.23
357.11
356.96
359.57
357.58
355.38
353.27
352.81
352.68
352.56
352.79
29
352.67
354.93
357.63
356.78
359.52
357.21
355.43
353.27
352.80
352.68
352.56
352.78
30
352.67
354.83
357.83
356.57
359.48
356.85
355.46
353.28
352.79
352.68
352.75
31
354.84
356.23
359.47
355.40
352.78
352.68
352.73
----------
--------------
Mean
352.57
354.91
354.18
356.96
358.34
358.45
356.48
353.99
353.03
352.72
352.61
352.78
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Max
352.67
356.63
357.83
357.99
359.71
359.41
357.95
355.25
353.28
352.78
352.66
353.15
359.71
Min
352.49
352.67
352.98
355.33
355.64
356.85
355.38
353.26
352.78
352.68
352.54
352.51
352.49
359.73
m. (MSL.) ,
351.43
m. (MSL.) ,
River Bed 351.05
m. (MSL)
362.05
m. (MSL.) ,
362.05
m. (MSL.) ,
Drainage Area 6266 Square Kilometers
at 18.00 Hours , on Aug 24 , 2011
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation