Basic HTML Version
284
i
i h h b id f
d
WATER YEAR : 2013
WANG RIVER BASIN
Nam Mae Soi at Ban Nong Nao , Lampang (W.17)
Lat 18 - 43 - 13 N Long 99 - 34 - 04 E
Locat on : on r g t at t e r ge o Lampang - Wang Nua Roa .
726
sq.km.
Water - stage recorder
+292.000 m. (MSL.)
B.M.-H.D.
About 21 meters from the top staff gage.
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+296.276 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Chae Hom
Changwat
Lampang
Ban
Nong Nao
Arithmetic mean of 24 readings
1980 to date
1980 to date
-
1980 to date
Fairly stable because of backwater effect.
No overbank flow.
Rating Operation
Period of Rating
Rated by Flot
Period of Available Gage Records
Basis of Mean Daily Gage Height
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
Records fair.The local weir situated about 500 meters downstream from the gage site.
Stage-discharge relation defined by 46 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
291.55
291.54
291.63
291.55
291.81
292.75
292.15
292.17
292.02
291.64
291.51
291.41
2
291.56
291.54
291.69
291.55
291.86
292.25
292.24
292.13
291.88
291.63
291.51
291.40
3
291.56
291.55
291.76
291.54
291.86
291.95
292.32
292.03
291.81
291.63
291.49
291.39
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
291.55
291.57
291.83
291.54
291.81
291.93
292.31
291.91
291.76
291.62
291.50
291.40
5
291.55
291.60
291.80
291.54
291.94
292.10
292.22
292.01
291.74
291.61
291.50
291.40
6
291.53
291.64
291.85
291.62
291.88
292.69
292.31
292.00
291.74
291.58
291.50
291.39
7
291.52
291.76
291.84
292.18
292.00
292.42
292.39
291.98
291.75
291.59
291.50
291.39
8
291.52
291.80
291.78
292.16
292.86
292.17
292.27
291.98
291.74
291.59
291.50
291.39
9
291.52
291.66
291.72
292.31
292.66
292.42
292.09
291.98
291.70
291.57
291.50
291.39
10
291.52
291.63
291.70
291.92
292.51
292.56
292.01
291.96
291.65
291.56
291.46
291.38
11
291.52
291.62
291.77
291.74
292.82
292.42
291.98
291.89
291.64
291.56
291.45
291.38
12
291 53
291 67
291 93
291 70
292 68
292 30
291 95
291 93
291 62
291 56
291 45
291 38
.
.
.
.
.
.
.
.
.
.
.
.
13
291.53
291.66
291.81
291.71
292.31
292.31
291.92
291.92
291.64
291.55
291.45
291.38
14
291.56
291.62
291.75
291.66
292.13
292.40
291.98
291.92
291.63
291.56
291.45
291.38
15
291.56
291.59
291.71
291.80
292.14
292.20
291.92
291.96
291.64
291.56
291.45
291.37
16
291.57
291.60
291.64
292.28
292.35
292.26
291.88
291.92
291.79
291.56
291.44
291.36
17
291.54
291.59
291.61
291.92
292.11
292.33
291.95
291.90
291.64
291.55
291.44
291.36
18
291.54
291.57
291.61
291.95
292.02
292.24
292.83
291.92
291.64
291.55
291.44
291.36
19
291.53
291.56
291.60
291.77
292.02
292.13
293.43
292.18
291.65
291.54
291.44
291.38
20
291.53
291.60
291.61
291.73
291.92
292.04
292.89
292.58
291.68
291.53
291.43
291.42
21
291.52
291.70
291.63
291.70
292.02
292.02
292.80
292.15
291.66
291.53
291.43
291.42
22
291.52
291.69
291.57
291.68
292.25
292.02
293.13
292.00
291.60
291.53
291.43
291.42
23
291.54
291.66
291.59
291.77
292.31
291.90
292.60
291.92
291.67
291.53
291.43
291.42
24
291.54
291.68
291.55
291.78
292.16
291.99
292.74
291.89
291.66
291.53
291.41
291.43
25
291.55
291.85
291.54
291.96
292.11
292.09
292.83
291.87
291.66
291.52
291.42
291.42
26
291.55
291.73
291.54
291.79
292.00
292.19
292.54
291.84
291.65
291.52
291.42
291.44
27
291.55
291.69
291.58
291.83
292.18
293.03
292.38
291.80
291.68
291.52
291.41
291.44
28
291.54
291.65
291.62
291.86
292.09
293.34
292.32
291.78
291.68
291.52
291.41
291.44
29
291.53
291.63
291.59
291.84
292.19
292.82
292.31
291.93
291.66
291.51
291.44
30
291.52
291.63
291.57
292.03
291.98
292.40
292.28
292.32
291.64
291.51
291.45
31
291.62
291.95
292.37
292.21
291.64
291.51
291.45
----------
--------------
Mean
291.54
291.64
291.68
291.82
292.17
292.32
292.36
291.99
291.70
291.56
291.46
291.40
Max
291.57
291.85
291.93
292.31
292.86
293.34
293.43
292.58
292.02
291.64
291.51
291.45
293.43
Min
291.52
291.54
291.54
291.54
291.81
291.90
291.88
291.78
291.60
291.51
291.41
291.36
291.36
293.56
m. (MSL.) ,
292.00
m. (MSL.) ,
River Bed 291.13
m. (MSL.)
296.45
m. (MSL.) ,
296.49
m. (MSL.) ,
Drainage Area 726 Square Kilometers
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
at 05.00 Hours , on Oct 19 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation