Page 64 - Yearbook2013_v56_new

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i h b k h b id f
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WATER YEAR : 2013
KHONG RIVER BASIN
Nam Mae Chan at Ban Hua Saphan , Chiang Rai (Kh.89)
Lat 20 - 09 - 25 N Long 99 - 51 - 45 E
Locat on : on r g t an at t e r ge o Mae C an - Mae Sa H g way rom Tam on Pa Sang.
248
sq.km.
Water - stage recorder
+406.385 m. (MSL.)
B.M.- Temporary.
On right bank at the footpath of the bridge.
Elevation
Recording
+408.840 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Mae Chan
Changwat
Chiang Rai
Ban
Hua Saphan
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
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. The local weir situated about 300 meters downstream from the gage site.
Stage-discharge relation defined by 43 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
406.79
406.73
406.95
406.72
407.17
407.14
407.17
407.18
407.37
406.79
406.93
406.86
2
406.75
406.69
406.88
406.74
407.08
407.10
407.09
407.21
407.28
406.81
406.89
406.84
3
406.77
406.78
406.93
406.78
407.02
407.09
407.11
407.23
407.24
406.89
406.79
406.83
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
406.68
406.89
406.98
406.74
407.12
407.09
407.08
407.25
407.23
406.88
406.79
406.83
5
406.77
406.91
406.90
406.94
407.20
407.19
407.12
407.28
407.23
406.87
406.81
406.83
6
406.87
406.93
406.73
406.93
407.06
407.97
407.28
407.27
407.23
406.93
406.92
406.83
7
406.84
406.80
406.70
406.93
407.03
407.63
407.17
407.26
407.22
406.94
406.93
406.81
8
406.80
406.90
406.94
406.94
407.05
407.46
407.11
407.26
407.21
406.93
406.93
406.81
9
406.78
406.94
406.67
406.96
407.93
407.51
407.09
407.24
407.20
406.90
406.92
406.81
10
406.70
406.93
406.63
407.06
407.90
407.34
407.09
407.24
407.20
406.93
406.90
406.82
11
406.75
406.93
406.84
407.23
407.42
407.17
407.09
407.25
407.21
406.93
406.89
406.83
12
406 73
406 93
406 68
407 22
407 18
407 10
407 09
407 24
407 20
406 91
406 88
406 83
.
.
.
.
.
.
.
.
.
.
.
.
13
406.70
406.93
406.51
407.05
406.99
407.15
407.09
407.24
407.19
406.87
406.84
406.85
14
406.70
406.93
406.44
407.07
407.03
407.24
407.07
407.26
407.51
406.87
406.86
406.86
15
406.73
406.93
406.44
407.08
407.03
407.71
407.07
407.43
407.64
406.88
406.84
406.86
16
406.74
406.92
406.51
407.06
407.18
407.38
407.07
407.36
407.42
406.84
406.83
406.85
17
406.77
406.90
406.82
407.06
406.95
407.52
407.12
407.29
407.26
406.84
406.79
406.83
18
406.74
406.89
406.67
407.03
406.96
407.49
407.35
407.32
407.16
406.83
406.78
406.83
19
406.70
406.90
406.55
407.01
406.96
407.27
407.26
407.40
407.26
406.83
406.76
406.84
20
406.72
407.05
406.89
407.00
406.93
407.19
407.19
407.36
407.23
406.85
406.77
406.83
21
406.71
407.05
406.87
407.03
406.88
407.15
407.20
407.28
407.23
406.90
406.83
406.80
22
406.72
406.95
406.81
407.36
407.06
407.14
407.33
407.25
407.22
406.79
406.83
406.84
23
406.79
406.92
406.94
407.43
407.09
407.11
407.17
407.24
407.22
406.79
406.84
406.91
24
406.68
407.06
406.82
407.13
407.23
407.08
407.26
407.24
407.21
406.80
406.85
406.91
25
406.64
406.99
406.85
407.10
407.17
407.09
407.19
407.23
407.18
406.79
406.86
406.93
26
406.61
406.95
406.71
407.17
407.66
407.69
407.14
407.24
407.06
406.83
406.84
406.93
27
406.60
406.93
406.66
407.07
407.40
407.69
407.14
407.25
407.02
406.85
406.86
406.93
28
406.66
406.93
406.82
407.12
407.17
407.42
407.14
407.25
407.01
406.93
406.86
406.93
29
406.68
406.93
406.95
407.71
407.09
407.53
407.15
407.25
407.01
406.94
406.90
30
406.59
406.89
406.78
407.72
407.05
407.30
407.24
407.25
406.96
406.93
406.83
31
406.89
407.68
407.06
407.31
406.80
406.93
406.83
----------
--------------
Mean
406.72
406.91
406.76
407.10
407.16
407.33
407.16
407.27
407.21
406.87
406.85
406.85
Max
406.87
407.06
406.98
407.72
407.93
407.97
407.35
407.43
407.64
406.94
406.93
406.93
407.97
Min
406.59
406.69
406.44
406.72
406.88
407.08
407.07
407.18
406.80
406.79
406.76
406.80
406.44
408.40
m. (MSL.) ,
406.39
m. (MSL.) ,
River Bed 406.11
m. (MSL.)
411.67
m. (MSL.) ,
411.67
m. (MSL.) ,
Drainage Area 248 Square Kilometers
at 16.00 Hours , on Sep 6 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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