Page 392 - Yearbook2013_v56_new

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WATER YEAR : 2013
NAN RIVER BASIN
Nan River at Nai Mueang , Uttaradit (N.2B)
Lat 17 - 36 - 30 N Long 100 - 06 - 08 E
Locat on : on r g t an at Mueang, Uttara t.
16,865 sq.km.
Staff gage
+52.300 m. (MSL.)
B.M.-H.D.
On right bank near the gage site.
Elevation
5-time daily readings at 06.00, 09.00, 12.00, 15.00 and 18.00 hours.
+63.138 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Mueang
Changwat
Uttaradit
Ban
Nai Mueang
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic mean of 5 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 very good. Stage-discharge relation defined by 21 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
53.32
52.96
53.21
52.95
53.09
53.40
52.86
52.43
52.50
53.47
53.71
53.75
2
53.08
53.60
53.42
52.84
53.07
53.43
52.71
52.41
52.47
53.53
53.74
53.69
3
53.13
53.42
53.51
52.83
52.90
53.13
52.86
52.39
52.69
53.54
53.81
53.77
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Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
53.09
53.43
53.42
52.87
52.89
52.85
52.85
52.39
52.75
53.39
53.62
53.53
5
53.03
53.56
53.48
52.85
52.96
52.67
52.69
52.38
52.75
53.53
53.61
53.64
6
53.06
53.68
53.45
52.92
52.68
52.79
52.65
52.36
52.94
53.41
53.77
53.44
7
53.08
53.35
53.35
53.11
52.68
52.74
52.53
52.32
52.87
53.41
53.78
53.49
8
53.16
53.20
53.52
53.26
52.88
52.73
52.54
52.37
52.82
53.45
53.69
53.45
9
53.13
53.19
53.43
53.13
53.07
52.77
52.47
52.37
52.88
53.48
53.77
53.52
10
53.10
53.15
53.46
53.28
53.18
52.79
52.43
52.38
53.00
53.45
53.87
53.67
11
53.08
52.94
53.28
53.31
53.53
52.69
52.41
52.37
53.00
53.42
53.79
53.24
12
53 08
53 05
53 49
53 26
53 39
52 65
52 40
52 52
53 03
53 44
53 64
53 17
.
.
.
.
.
.
.
.
.
.
.
.
13
53.18
53.01
53.46
52.93
52.96
52.73
52.40
52.51
52.98
53.48
53.60
53.25
14
53.49
53.51
53.44
52.86
52.97
52.86
52.40
52.55
53.04
53.52
53.65
53.25
15
52.87
53.70
53.08
52.90
52.96
53.59
52.39
52.53
53.38
53.38
53.62
53.33
16
53.33
53.68
52.97
52.79
52.90
53.48
52.36
52.53
53.43
53.47
53.70
53.34
17
53.35
53.49
52.97
52.91
52.87
53.24
52.40
52.62
53.02
53.44
53.97
53.53
18
53.10
53.46
53.00
52.88
52.79
53.15
52.78
52.48
53.01
53.40
53.74
53.41
19
53.13
53.58
52.96
52.84
52.70
52.87
52.87
52.51
53.02
53.56
53.84
53.47
20
53.00
53.65
52.93
52.89
52.64
52.66
52.96
52.53
53.30
53.47
53.78
53.41
21
53.17
53.37
53.01
52.84
52.63
52.72
52.96
52.51
53.46
53.33
53.76
53.48
22
53.29
53.30
53.07
52.87
52.86
52.67
52.72
52.49
53.53
53.42
53.77
53.58
23
53.31
53.18
53.03
52.80
54.19
52.60
52.60
52.50
53.55
53.67
53.73
53.64
24
53.15
53.20
53.06
52.83
54.20
52.54
52.53
52.49
53.51
53.78
53.90
53.61
25
53.01
53.20
52.92
52.78
53.24
52.52
52.57
52.51
53.48
53.75
53.83
53.45
26
53.00
53.21
52.86
52.92
53.00
52.52
52.75
52.50
53.45
53.75
53.72
53.59
27
53.01
53.27
52.79
52.97
52.81
53.51
52.62
52.48
53.49
53.76
53.65
53.59
28
53.00
53.13
52.89
53.04
52.67
53.70
52.54
52.53
53.49
53.81
53.73
53.62
29
52.98
53.19
52.84
53.11
52.68
53.75
52.49
52.51
53.55
53.77
53.57
30
53.02
53.18
52.96
53.05
52.71
53.12
52.46
52.51
53.56
53.64
53.65
31
53.13
53.07
52.95
52.44
53.51
53.74
53.62
----------
--------------
Mean
53.12
53.32
53.18
52.96
53.00
52.96
52.60
52.47
53.14
53.54
53.74
53.51
Max
53.49
53.70
53.52
53.31
54.20
53.75
52.96
52.62
53.56
53.81
53.97
53.77
54.20
Min
52.87
52.94
52.79
52.78
52.63
52.52
52.36
52.32
52.47
53.33
53.60
53.17
52.32
54.49
m. (MSL.) ,
52.30
m. (MSL.) ,
River Bed 46.95
m. (MSL.)
63.00
m. (MSL.) ,
61.68
m. (MSL.) ,
Drainage Area 16865 Square Kilometers
at 21.00 Hours , on Aug 23 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
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