Page 875 - yearbook2011

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841
Location : on left bank at the bridge of Ban Tha Yang.
Ban
Tha Yang
Amphoe
Tha Yang
Changwat
Phetchaburi
WATER YEAR : 2011
PHETCHABURI RIVER BASIN
Phetchaburi River at Ban Tha Yang , Phetchaburi (B.10)
Lat 12 - 58 - 21 N Long 99 - 53 - 07 E
4,076 sq.km.
Method of sampling
Depth Integrating
US.D-49
Period of Available Records
1997-Cont'd
Actual Measurement
1997-Cont'd
2011
Drainge Area
Using Rating Curve Water Year
Instrument Used
22
0.8129
Continued Sediment Station
QS = 0.9424 QW
1.37600
Suspended Sediment , in Tons per Day. Water Year 1 April 2011 to 31 March 2012
Remarks
R-Square
Number of observation
Date
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Jan
Feb
Mar Annual
----------
-----------------
1
22.80
21.60
46.30
38.20
34.00
42.50 341.10
10.70
9.70
10.70
21.60
22.00
2
22.40
22.00
48.20
28.30
37.60
29.80 274.60
8.20
9.40
11.00
21.60
22.40
3
22.40
21.60
35.20
17.40 130.30
19.70
72.20
7.00
9.40
11.00
20.80
22.40
4
22.80
24.90
26.50
15.20 217.90
15.90
26.50
6.10
8.40
13.80
23.60
23.60
5
23.20
50.80
24.00
14.80 234.10
15.20
20.80
5.20
8.40
21.20
24.90
25.70
6
22 80
52 10
24 50
15 20 258 20
21 20
20 50
5 20
8 40
16 60
24 00
29 30
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7
22.40
35.80
31.80
15.20 296.80 120.90
27.80
8.40
8.40
12.00
23.60
28.80
8
22.00
27.40
41.20
15.20 285.60
56.80
62.20
8.60
8.20
11.00
23.20
27.00
9
21.60
25.70
51.40
13.80 174.00
28.80 140.00
31.30
8.40
11.00
20.80
26.50
10
21.60
23.60
52.10
13.10
51.40
20.50 130.30
60.60
8.60
11.00
18.90
26.50
11
27.00
20.50
38.20
13.10
34.60
15.90
79.90
47.50
9.10
11.40
18.50
25.30
12
29.30
19.30
31.30
13.10
30.80
19.70
72.20
10.70
12.70
11.40
18.90
24.00
13
30.80
19.70
29.80
13.40
28.30
29.30
73.00
7.90
14.10
11.70
21.20
23.20
14
30 30
19 30
32 80
13 40
29 80
29 30
79 90
7 70
13 10
11 70
28 30
22 80
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15
28.30
18.90
38.20
13.40
35.80
27.00 120.90
7.70
13.10
11.70
31.30
23.20
16
24.90
19.30
40.00
13.80
46.30
28.80 232.50
8.60
16.60
12.00
40.00
23.60
17
22.00
20.10
40.00
14.10
56.10
26.50 276.40
14.10
14.50
12.40
34.00
24.90
18
21.20
27.40
43.10
14.10
63.00
25.30 185.20
17.00
11.70
12.70
27.00
29.80
19
20.80
43.10
41.80
14.10
68.80
27.80
70.50
18.90
10.40
12.70
26.10
34.60
20
20.80
50.10
41.80
18.90
72.20
26.50
46.30
17.00
10.40
13.10
29.80
34.00
21
20.10
46.30
31.30
28.80
65.50
24.90
27.00
13.40
9.40
13.80
22.40
30.30
22
19.70
38.20
23.60
35.20
61.40
27.40
23.20
11.70
10.40
18.90
20.10
26.10
23
19.30
28.80
21.20
29.80
54.10
27.80
20.10
12.00
10.70
24.90
20.10
24.50
24
20.10
22.80
17.00
20.80
30.30
25.70
15.50
11.40
10.70
23.20
20.10
24.00
25
21.20
20.80
14.10
17.40
22.00
26.10
11.40
11.00
10.40
18.50
20.50
24.90
26
19.70
20.80
14.10
16.60
24.50
31.30
7.90
11.40
10.70
15.90
20.80
25.30
27
21.60
22.80
14.80
15.50
27.40
47.50
5.70
13.10
10.70
15.50
21.20
26.10
28
27.00
27.40
16.30
16.30
32.80 194.10
5.90
13.10
10.40
15.90
21.60
27.00
29
22.00
30.80
24.50
16.60
63.00 300.60
8.90
13.10
10.40
15.90
21.60
28.80
30
21.20
32.30
32.80
20.50
86.30 345.30
13.10
10.40
10.40
16.60
32.30
31
33.40
30.80
76.40
12.70
10.70
17.40
34.00
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Total
691.30 887.60 967.90 576.10 2729.30 1678.10 2504.20 429.00 327.90 446.60 686.50 822.90 12747.40
Ton
Mean
23.00
28.60
32.30
18.60
88.00
55.90
80.80
14.30
10.60
14.40
23.70
26.50
Max
30.80
52.10
52.10
38.20 296.80 345.30 341.10
60.60
16.60
24.90
40.00
34.60 345.30
Min
19.30
18.90
14.10
13.10
22.00
15.20
5.70
5.20
8.20
10.70
18.50
22.00
5.20
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