Basic HTML Version
382
i
i h b k
h i
WATER YEAR : 2013
NAN RIVER BASIN
Nan River at Ban Thap Krit , Nakhon Sawan (N.37)
Lat 15 - 45 - 20 N Long 100 - 15 - 29 E
Locat on : on r g t an at Ban T ap Kr t.
57,613 sq.km.
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On right bank in front of automatic gage building.
Elevation
Recording
+27.246 m. (MSL.)
Bench Mark
Type of Gage
Amphoe
Chum Saeng
Changwat
Nakhon Sawan
Ban
Thap Krit
Drainge Area
Location BM
Gage Reading Frequency
Zero Gage at Bottom
Arithmetic means of 24 readings
1971 to date
1971 to date
-
1971 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 good. Stage-discharge relation defined by 45 discharge measurements made in 2013.
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar
Annual
----------
-----------------
1
18.15
18.34
19.00
19.26
19.69
20.22
24.82
23.80
18.50
18.64
18.83
18.74
2
18.10
18.33
18.94
18.95
19.91
20.15
24.89
23.61
18.41
18.69
18.85
18.71
3
18.08
18.34
18.82
18.82
20.02
20.29
24.94
23.44
18.27
18.75
18.81
18.71
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
Gage Height in Meter (MSL.) Water Year April 1, 2013 to March 31, 2014
General Description
4
18.24
18.34
18.76
18.62
20.12
20.70
24.94
23.24
18.25
18.75
18.82
18.73
5
18.37
18.59
18.71
18.40
20.11
21.00
24.96
23.01
18.21
18.76
18.79
18.69
6
18.36
18.93
18.77
18.38
19.93
21.06
24.97
22.75
18.24
18.78
18.82
18.71
7
18.35
19.12
18.92
18.46
19.69
20.94
24.96
22.42
18.41
18.74
18.79
18.73
8
18.33
19.29
19.11
18.49
19.48
20.79
24.95
22.10
18.68
18.67
18.78
18.61
9
18.31
19.46
19.18
18.59
19.40
20.70
24.89
21.79
19.09
18.68
18.76
18.47
10
18.27
19.54
19.18
19.04
19.44
20.87
24.82
21.49
19.26
18.66
18.75
18.31
11
18.21
19.51
19.04
19.54
19.66
21.08
24.70
21.24
19.18
18.59
18.70
18.19
12
18 24
19 42
19 04
19 95
20 14
21 19
24 51
21 05
19 10
18 55
18 64
18 14
.
.
.
.
.
.
.
.
.
.
.
.
13
18.26
19.36
19.23
20.31
20.81
21.43
24.35
20.83
18.87
18.52
18.67
18.20
14
18.29
19.26
19.54
20.64
21.64
21.75
24.20
20.54
18.66
18.45
18.73
18.21
15
18.33
19.16
20.07
20.67
22.20
22.08
24.07
20.33
18.57
18.42
18.74
18.21
16
18.31
19.01
20.43
20.44
22.40
22.41
23.88
20.13
18.52
18.39
18.71
18.27
17
18.36
18.95
20.37
20.12
22.51
22.83
23.66
19.91
18.45
18.43
18.66
18.33
18
18.48
19.01
20.10
19.66
22.48
23.07
23.47
19.80
18.43
18.51
18.70
18.38
19
18.44
19.05
19.78
19.31
22.41
23.27
23.38
19.87
18.61
18.45
18.70
18.36
20
18.42
19.04
19.61
19.15
22.28
23.40
23.36
19.87
18.67
18.38
18.71
18.30
21
18.51
19.14
19.52
19.06
22.01
23.50
23.38
19.69
18.55
18.37
18.72
18.35
22
18.54
19.20
19.62
18.99
21.51
23.68
23.49
19.38
18.40
18.45
18.71
18.38
23
18.57
19.21
19.83
18.83
21.01
23.96
23.63
19.16
18.54
18.57
18.72
18.33
24
18.52
19.28
20.11
18.74
20.74
24.29
23.69
19.07
18.76
18.60
18.73
18.23
25
18.60
19.25
20.19
18.69
20.76
24.39
23.67
18.96
18.86
18.63
18.64
18.22
26
18.70
19.09
20.11
18.78
21.06
24.36
23.71
18.73
18.88
18.68
18.62
18.28
27
18.68
19.11
19.98
19.07
21.34
24.36
24.03
18.63
18.84
18.72
18.64
18.37
28
18.62
19.14
19.85
19.24
21.24
24.46
24.22
18.60
18.78
18.83
18.70
18.42
29
18.50
19.09
19.72
19.34
20.98
24.55
24.19
18.54
18.74
18.83
18.39
30
18.42
19.08
19.51
19.47
20.67
24.70
24.10
18.51
18.71
18.83
18.40
31
19.02
19.56
20.40
23.97
18.66
18.81
18.41
----------
--------------
Mean
18.39
19.05
19.50
19.24
20.84
22.38
24.22
20.68
18.65
18.62
18.73
18.41
Max
18.70
19.54
20.43
20.67
22.51
24.70
24.97
23.80
19.26
18.83
18.85
18.74
24.97
Min
18.08
18.33
18.71
18.38
19.40
20.15
23.36
18.51
18.21
18.37
18.62
18.14
18.08
24.98
m. (MSL.) ,
0.00
m. (MSL.) ,
River Bed 12.04
m. (MSL.)
27.91
m. (MSL.) ,
27.95
m. (MSL.) ,
Drainage Area 57613 Square Kilometers
at 13.00 Hours , on Oct 5 , 2013
Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Left Bank Elevation
Right Bank Elevation
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------