Page 498 - Slide 1

464
Location : on left bank at Ban Thap Man.
686 sq.km.
WATER YEAR : 2012
THA CHIN BASIN
Lower Huai Kra Sieo at Ban Thap Man, Suphan Buri (T.12A)
Lat 15 - 00 - 45 N Long 99 - 37 - 12 E
Drainge Area
Amphoe Dan Chang Changwat Suphan Buri Ban Thap Man
Water - stage recorder
+0.000 m. (MSL.)
B.M.-H.D.
On left bank near the bridge Elevation
Recording
Arithmetic means of 24 readings
2006 to date
Rating Operation
Period of Available Gage Records
Basis of Mean Daily Gage Height
Gage Reading Frequency
Zero Gage at Bottom
+103.545 m. (MSL.)
Type of Gage
Bench Mark
Location BM
2006 to date
-
2006 to date
Fairly stable.
No overbank flow
Records good. Stage-discharge relation defined by 20 discharge measurements made in 2012.
Rated by Current Meter
Stability of Channel Regimes
Overbank Flow Conditions
General Description
Period of Rating
Rated by Flot
Date Apr May Jun Jul Aug Sep Oct Nov Dec Jan Feb Mar Annual
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1 98.30 98.36 98.43 98.27 98.10 98.32 99.11 98.70 98.40 98.29 98.48 98.18
2 98.30 98.37 98.40 98.17 98.10 98.24 98.99 98.66 98.39 98.30 98.41 98.18
3 98.30 98.39 98.37 98.04 98.09 98.27 99.26 98.62 98.38 98.30 98.38 98.19
4 98.29 98.35 98.37 98.08 98.09 98.36 99.28 98.57 98.38 98.30 98.36 98.32
5 98.28 98.33 98.36 98.43 98.08 98.81 99.32 98.56 98.37 98.29 98.34 98.43
6 98.33 98.37 98.34 98.12 98.08 98.68 99.88 98.54 98.37 98.29 98.34 98.32
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Gage Height in Meter (MSL.) Water Year April 1, 2012 to March 31, 2013
7 98.33 98.36 98.39 98.06 98.08 98.93 98.97 98.52 98.37 98.29 98.31 98.28
8 98.64 98.44 98.71 98.06 98.08 98.98 99.15 98.53 98.36 98.28 98.30 98.25
9 98.58 98.63 98.66 98.29 98.08 98.98 99.37 98.52 98.36 98.27 98.29 98.26
10 98.44 98.62 98.63 98.43 98.09 99.08 99.88 98.50 98.36 98.27 98.29 98.24
11 98.59 98.56 98.42 98.14 98.10 98.97 99.36 98.50 98.36 98.25 98.28 98.20
12 98.46 98.59 98.41 98.50 98.09 98.96 99.14 98.50 98.36 98.25 98.27 98.15
13 98.47 98.53 98.40 98.74 98.08 99.10 99.06 98.50 98.36 98.24 98.27 98.12
14 98.64 98.41 98.40 98.68 98.08 99.00 98.97 98.50 98.36 98.22 98.26 98.12
15 98.56 98.38 98.38 98.27 98.07 99.14 98.92 98.49 98.36 98.21 98.25 98.12
16 98.64 98.35 98.39 98.26 98.07 98.92 98.89 98.48 98.36 98.24 98.25 98.12
17 98.61 98.39 98.37 98.24 98.05 98.89 98.86 98.50 98.35 98.20 98.24 98.12
18 98.52 98.53 98.36 98.22 98.04 99.02 98.81 98.55 98.34 98.19 98.24 98.12
19 98.40 98.51 98.35 98.23 98.04 98.80 98.80 98.49 98.35 98.20 98.23 98.12
20 98.47 98.49 98.34 98.22 98.06 98.74 98.84 98.48 98.35 98.21 98.24 98.12
21 98.55 98.46 98.34 98.21 98.28 98.98 98.71 98.46 98.34 98.21 98.24 98.12
22 98.67 98.40 98.34 98.18 98.67 98.97 98.73 98.48 98.34 98.19 98.23 98.12
23 98.59 98.39 98.39 98.13 98.54 98.95 98.75 98.45 98.32 98.19 98.22 98.12
24 98.38 98.38 98.44 98.12 98.31 98.96 98.77 98.43 98.32 98.18 98.21 98.12
25 98.34 98.35 98.42 98.13 98.30 98.99 98.91 98.51 98.32 98.20 98.21 98.12
26 98.33 98.71 98.38 98.12 98.44 99.19 98.80 98.48 98.32 98.36 98.20 98.12
27 98.33 98.61 98.36 98.10 98.33 99.21 98.78 98.45 98.32 98.29 98.19 98.12
28 98.31 98.56 98.35 98.10 98.28 99.33 98.79 98.43 98.30 98.98 98.19 98.12
29 98.30 98.50 98.34 98.10 98.25 99.76 98.78 98.42 98.29 98.93 98.12
30 98.30 98.48 98.27 98.10 98.25 99.30 98.78 98.41 98.29 98.68 49.06
31 98.45 98.10 98.56 98.79 98.29 98.49 98.12
---------- --------------
Mean 98.44 98.46 98.40 98.22 98.19 98.93 99.01 98.51 98.35 98.32 98.28 96.59
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Max 98.67 98.71 98.71 98.74 98.67 99.76 99.88 98.70 98.40 98.98 98.48 98.43 99.88
Min 98.28 98.33 98.27 98.04 98.04 98.24 98.71 98.41 98.29 98.18 98.19 49.06 49.06
100.22 m. (MSL.) ,
0.00 m. (MSL.) , River Bed 98.11 m. (MSL.)
103.24 m. (MSL.) ,
103.26 m. (MSL.) , Drainage Area 686 Square Kilometers
at 06.00 Hours , on Oct 6 , 2012 Annual Max Momentary Gage Height
Zero Gage at Bottom Elevation
Right Bank Elevation
Left Bank Elevation