777
Location : on right bank about 30 meters upstream from Siriyong Bridge.
Ban
Don Chai
Amphoe
Thoen
Changwat
Lampang
WATER YEAR : 2011
WANG RIVER BASIN
Wang River at Ban Don Chai , Lampang (W.3A)
Lat 17 - 38 - 28 N Long 99 - 14 - 01 E
8,924 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
36
0.9569
Continued Sediment Station
QS = 0.1407 QW
1.85850
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
16.30 169.00 473.20 1090.50 742.90 4028.90 7887.50 773.30 174.60
57.90
42.50
42.50
2
36.50
60.00 311.60 758.00 15686.30 4330.30 11550.90 727.90 180.30
57.90
40.70
42.50
3
50.90
50.90 271.60 900.70 43517.50 5183.00 39431.30 602.90 180.30
60.00
97.70
46.60
4
33.20 241.40 248.80 2177.30 60097.50 4280.90 75240.10 484.40 174.60
60.00 209.80
65.70
5
26.10 390.10 311.60 2622.30 38026.20 3242.00 87781.80 380.90 174.60
63.00 203.70
87.20
6
27 80 542 10 554 10 1237 20 13944 10 2445 90 49263 50 319 90 169 00
63 00 174 60
94 50
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.
.
.
.
.
.
.
.
.
.
.
.
7
22.90 758.00 1325.30 554.10 9038.40 2696.40 14184.10 311.60 152.80
60.00 116.10
94.50
8
26.10 495.70 1130.10 311.60 7246.70 4280.90 5072.50 328.40 163.50
65.70
84.20
94.50
9
29.70 390.10 628.00 203.70 6189.60 4747.80 3323.70 419.00 169.00
84.20
60.00 108.70
10
40.70 8397.10 363.00 180.30 5019.40 5352.40 3002.50 380.90 163.50
74.90
55.40 108.70
11
44.70 28713.50 256.30 287.30 4590.80 10197.00 2143.60 311.60 152.80
77.80
50.90 119.70
12
46.60 19199.50 263.90 530.40 9805.20 9323.10 1985.40 303.40 147.50
74.90
50.90 116.10
13
33.20 8397.10 287.30 354.20 10605.30 9900.20 1691.80 311.60 142.40
74.90
50.90
97.70
14
14 70 5183 00 234 90 147 50 8672 30 11983 20 1474 10 319 90 127 40
71 60
57 90 127 40
.
.
.
.
.
.
.
.
.
.
.
.
15
13.20 4747.80 112.10 137.30 6440.10 11444.00 1090.50 319.90 127.40
74.90
65.70 142.40
16
11.70 3981.10
55.40 354.20 5882.90 12655.40 1303.90 319.90 116.10
90.80 147.50 123.80
17
7.20 2177.30
33.20 2015.70 5129.30 9805.20 2112.40 311.60 101.50
90.80 186.00 104.80
18
5.50 3456.30
31.20 2377.40 4330.30 6631.00 3833.60 287.30
90.80
87.20 209.80
90.80
19
5.50 6189.60 127.40 1554.10 7325.40 4854.90 3161.20 311.60
74.90
87.20 203.70
87.20
20
7.80 4536.90 152.80 1237.20 5294.50 4590.80 2048.50 295.30
60.00
84.20 174.60
87.20
21
15.40 3549.00 142.40 655.00 8397.10 3930.70 1474.10 256.30
57.90
81.20 127.40
94.50
22 108.70 2177.30 123.80 451.20 10000.20 3456.30 1173.70 228.50
55.40
81.20 112.10
90.80
23 174.60 1396.10
65.70 328.40 6567.10 4910.60 1049.90 197.70
53.30
77.80
94.50
74.90
24 147.50 1049.90
38.60 209.80 3201.50 3691.40 884.30 147.50
53.30
71.60
84.20
63.00
25 169.00 727.90
29.70 169.00 2309.80 3981.10 773.30 127.40
53.30
60.00
71.60
50.90
26 328.40 820.10
46.60 263.90 3930.70 5019.40 727.90 119.70
57.90
53.30
57.90
44.70
27 174.60 1194.10 507.10 566.10 8397.10 6858.90 640.80 119.70
60.00
48.50
50.90
46.60
28
55.40 1069.30 3161.20 640.80 6858.90 10708.50 578.20 116.10
55.40
48.50
48.50
57.90
29
60.00 820.10 3161.20 295.30 5129.30 14061.20 484.40 112.10
57.90
46.60
46.60
74.90
30
77.80 683.70 1953.10 203.70 3833.60 14545.00 399.30 123.80
60.00
44.70
87.20
31
590.50
209.80 4590.80
507.10
57.90
42.50
87.20
----------
--------------
Total
1811.70 112154.50 16401.20 23024.00 330800.80 203136.40 326275.90 9370.10 3465.30 2116.80 2976.30 2655.1 1 34188.30
Ton
Mean
60.40 3617.90 546.70 742.70 10671.00 6771.20 10525.00 312.30 111.80
68.30 102.60
85.60
Max
328.40 28713.50 3161.20 2622.30 60097.50 14545.00 87781.80 773.30 180.30
90.80 209.80 142.40 87781.80
Min
5.50
50.90
29.70 137.30 742.90 2445.90 399.30 112.10
53.30
42.50
40.70
42.50
5.50
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