Page 326 - Yearbook2013_v56_new

Basic HTML Version

290
i
l f b k h b id f
h i h
WATER YEAR : 2013
WANG RIVER BASIN
Nam Mae Tui at Ban Tha Lo , Lampang (W.20)
Lat 18 - 18 - 34 N Long 99 - 27 - 40 E
Locat on : on e t an at t e r ge o Lampang - Hang C at H g way.
941
sq.km.
Water - stage recorder
+230.420 m. (MSL.)
B.M.-H.D.
On left bank at the approach of the bridge.
Elevation
Recording
+237.644 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Mueang
Changwat
Lampang
Ban
Tha Lo
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 24 readings.
1993 to date
1993 to date
-
1993 to date
Fairly stable.
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 fair.Flow effected by the local weir about 200 meters downstream from the gage site.
Stage-discharge relation defined by 47 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
230.66
230.68
229.87
229.89
230.84
231.05
230.56
230.93
230.87
230.68
230.64
230.57
2
230.65
230.64
229.91
229.87
230.72
230.97
230.58
230.97
230.80
230.69
230.62
230.56
3
230.62
230.62
229.98
229.83
230.72
230.72
230.91
230.96
230.76
230.69
230.58
230.56
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
230.55
230.62
229.94
229.82
230.76
230.74
230.82
230.95
230.74
230.73
230.56
230.57
5
230.35
230.57
229.94
229.82
230.81
230.70
230.75
230.97
230.72
230.75
230.53
230.60
6
230.30
230.45
229.94
229.81
230.84
230.85
231.47
230.94
230.70
230.79
230.48
230.65
7
230.19
230.37
229.93
229.82
230.69
231.04
231.26
230.90
230.69
230.79
230.39
230.67
8
230.22
230.27
229.90
229.84
230.71
230.96
230.77
230.85
230.68
230.74
230.37
230.67
9
230.21
230.11
229.87
230.09
231.09
231.26
230.71
230.79
230.67
230.75
230.33
230.66
10
230.01
229.97
229.84
230.13
231.00
231.77
230.87
230.76
230.65
230.75
230.31
230.67
11
230.14
229.87
229.84
230.15
231.05
231.19
230.82
230.76
230.62
230.70
230.31
230.67
12
230 37
229 82
229 85
230 10
231 01
230 78
230 79
230 76
230 51
230 68
230 38
230 67
.
.
.
.
.
.
.
.
.
.
.
.
13
230.57
230.06
229.89
230.08
230.79
230.71
230.78
230.75
230.32
230.65
230.68
230.65
14
230.65
230.07
229.84
230.00
230.39
230.74
230.78
230.72
230.22
230.64
230.66
230.63
15
230.72
229.89
229.80
229.95
230.20
230.69
230.78
230.72
230.18
230.64
230.68
230.63
16
230.81
229.89
229.79
229.94
230.16
230.83
230.77
230.72
230.14
230.63
230.67
230.62
17
230.71
229.90
229.78
229.92
230.18
230.70
230.80
230.70
230.21
230.62
230.68
230.62
18
230.65
229.88
229.78
229.89
230.11
230.54
231.65
230.71
230.32
230.61
230.69
230.61
19
230.63
229.95
229.77
229.91
230.06
230.42
232.87
230.80
230.32
230.61
230.68
230.61
20
230.60
229.91
229.77
229.83
230.03
230.32
232.08
230.88
230.29
230.63
230.65
230.61
21
230.55
230.06
229.77
229.82
230.07
230.30
232.00
230.92
230.17
230.67
230.63
230.60
22
230.45
230.18
229.78
229.80
230.65
230.27
233.11
230.83
230.10
230.67
230.62
230.60
23
230.38
230.03
229.76
229.79
231.14
230.35
231.47
230.78
230.08
230.66
230.62
230.59
24
230.38
229.96
229.76
229.84
230.78
230.58
231.21
230.74
230.02
230.68
230.62
230.59
25
230.58
229.93
229.77
230.26
230.54
230.81
231.34
230.72
229.99
230.72
230.61
230.62
26
230.71
229.96
229.78
231.06
230.46
230.83
230.99
230.71
229.98
230.77
230.61
230.64
27
230.74
229.99
229.85
230.89
230.43
231.27
230.84
230.71
230.03
230.80
230.60
230.65
28
230.71
229.95
229.88
230.93
230.32
231.98
230.86
230.71
230.35
230.83
230.59
230.66
29
230.70
229.94
229.89
230.76
230.35
231.29
230.99
230.93
230.53
230.77
230.68
30
230.71
229.95
229.87
230.85
230.73
230.75
230.96
231.34
230.64
230.66
230.68
31
229.93
230.93
230.84
230.92
230.66
230.65
230.69
----------
--------------
Mean
230.52
230.11
229.84
230.12
230.60
230.85
231.15
230.83
230.42
230.70
230.56
230.63
Max
230.81
230.68
229.98
231.06
231.14
231.98
233.11
231.34
230.87
230.83
230.69
230.69
233.11
Min
230.01
229.82
229.76
229.79
230.03
230.27
230.56
230.70
229.98
230.61
230.31
230.56
229.76
233.72
m. (MSL.) ,
230.42
m. (MSL.) ,
River Bed 229.41
m. (MSL.)
238.02
m. (MSL.) ,
238.07
m. (MSL.) ,
Drainage Area 941 Square Kilometers
at 06.00 Hours , on Oct 22 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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