Basic HTML Version
294
i
i h b k h b id
WATER YEAR : 2013
WANG RIVER BASIN
Nam Mae Chang at Ban Wang Phrao , Lampang (W.22)
Lat 18 - 08 - 35 N Long 99 - 24 - 48 E
Locat on : on r g t an at t e r ge.
1,549
sq.km.
Water - stage recorder
+215.161 m. (MSL.)
B.M.-H.D.
On right bank at the approach of the bridge.
Elevation
Recording
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
+221.137 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Ko Kha
Changwat
Lampang
Ban
Wang Phrao
Arithmetic mean of 24 readings.
2001 to date
2001 to date
-
2001 to date
Rather unstable 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.Stage-discharge relation defined by 42 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
214.94
214.96
214.89
214.84
214.79
215.67
215.65
215.21
215.07
214.86
214.81
214.86
2
214.96
215.05
214.88
214.84
214.81
215.67
215.62
215.16
215.17
214.87
214.80
214.90
3
214.96
215.11
214.86
214.84
214.83
215.59
215.78
215.16
215.09
214.87
214.77
214.96
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
214.97
215.14
214.84
214.82
214.82
215.42
215.87
215.15
215.04
214.88
214.76
214.95
5
214.97
215.16
214.80
214.82
214.82
215.25
215.74
215.15
215.04
214.89
214.75
214.95
6
214.97
215.17
214.82
214.82
214.83
215.27
215.53
215.13
215.05
214.90
214.74
214.95
7
214.97
215.21
214.83
214.81
215.01
215.26
215.40
215.11
215.04
214.86
214.76
214.98
8
214.97
215.13
214.85
214.81
215.06
215.15
215.34
215.12
215.04
214.84
214.80
214.99
9
214.97
215.11
214.79
214.76
215.14
215.16
215.27
215.18
215.00
214.83
214.78
215.00
10
214.96
215.12
214.76
214.76
215.16
215.35
215.27
215.19
214.96
214.81
214.81
215.00
11
214.95
215.41
215.03
214.77
215.28
215.56
215.25
215.17
214.96
214.81
214.81
215.00
12
214 94
215 28
215 03
214 76
215 76
215 56
215 16
215 18
214 96
214 84
214 81
215 00
.
.
.
.
.
.
.
.
.
.
.
.
13
214.94
215.31
214.96
214.76
215.58
215.53
215.14
215.19
214.96
214.84
214.81
215.00
14
214.94
215.30
214.94
214.75
215.67
215.47
215.14
215.16
214.96
214.84
214.82
215.00
15
214.94
215.38
214.93
214.76
215.55
215.50
215.06
215.12
214.96
214.84
214.82
214.99
16
214.94
215.21
214.80
214.76
215.35
215.53
215.00
215.13
214.96
214.83
214.82
214.97
17
214.95
215.13
214.76
214.76
215.31
215.40
215.05
215.12
214.96
214.83
214.83
214.97
18
214.95
215.13
214.91
214.77
215.30
215.43
215.87
215.08
214.96
214.84
214.83
214.97
19
214.94
215.13
214.86
214.78
215.22
215.47
216.70
215.12
214.96
214.85
214.83
214.97
20
214.93
215.02
214.97
214.78
215.15
215.44
216.46
215.10
214.97
214.85
214.83
214.97
21
214.93
215.27
214.95
214.78
215.08
215.41
216.59
215.11
214.97
214.83
214.84
214.99
22
214.93
215.20
214.84
214.78
215.05
215.40
215.72
215.11
215.00
214.81
214.84
215.02
23
214.92
215.16
214.79
214.76
215.07
215.35
215.67
215.12
215.09
214.80
214.84
215.01
24
214.99
215.15
214.84
214.72
215.31
215.33
215.55
215.11
215.04
214.80
214.85
215.07
25
215.30
215.10
214.86
214.71
215.15
215.23
215.52
215.08
214.84
214.80
214.85
215.44
26
215.16
215.03
214.84
214.85
215.27
215.17
215.47
215.06
214.82
214.79
214.85
215.15
27
215.07
215.02
214.85
214.79
215.15
215.32
215.45
215.06
214.86
214.79
214.86
215.00
28
215.07
214.97
214.84
214.77
215.14
215.62
215.34
215.06
214.86
214.79
214.86
214.95
29
215.03
214.96
214.85
214.75
215.15
215.81
215.29
215.08
214.84
214.80
214.97
30
215.02
214.95
214.85
214.73
215.16
215.67
215.25
215.08
214.84
214.80
214.96
31
214.91
214.79
215.26
215.23
214.86
214.80
214.94
----------
--------------
Mean
214.98
215.13
214.87
214.78
215.17
215.43
215.53
215.13
214.97
214.83
214.81
215.00
Max
215.30
215.41
215.03
214.85
215.76
215.81
216.70
215.21
215.17
214.90
214.86
215.44
216.70
Min
214.92
214.91
214.76
214.71
214.79
215.15
215.00
215.06
214.82
214.79
214.74
214.86
214.71
216.88
m. (MSL.) ,
215.16
m. (MSL.) ,
River Bed 213.46
m. (MSL.)
221.11
m. (MSL.) ,
221.22
m. (MSL.) ,
Drainage Area 1549 Square Kilometers
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at 05.00 Hours , on Oct 21 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation