Basic HTML Version
731
Location : on left bank at the bridge of Chiang Rai - Phayao Highway, Tambon Bua Sali.
Ban
Ton Yang
Amphoe
Mae Lao
Changwat
Chiang Rai
WATER YEAR : 2011
NAM MAE KOK RIVER BASIN
Nam Mae Lao at Ban Ton Yang , Chiang Rai (G.8)
Lat 19 - 47 - 32 N Long 99 - 45 - 11 E
2,909 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
30
0.9240
Continued Sediment Station
QS = 3.9963 QW
1.55770
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
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1
6.40 241.10 465.30 398.70 1973.20 7041.90 19401.50 3206.30 1357.10 151.10
36.30
34.00
2
7.50 605.20 225.10 335.90 7328.80 8628.30 15608.90 2884.90 1324.60 117.20
41.30
29.40
3
7.50 1075.30 194.20 323.80 15765.50 7041.90 11318.30 2728.70 1324.60 117.20
61.00
27.10
4
7.50 1737.70 186.80 274.30 14224.90 6397.30 8951.40 2677.40 1324.60 117.20
73.80
27.10
5
7.50 1197.60 186.80 291.40 5507.90 6232.00 7619.80 2575.70 1260.60 107.00
56.90
31.60
6
9 00 2013 50 438 20 209 40 2626 40 6150 00 6232 00 2389 00 1260 60 144 30
46 30
31 60
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.
.
.
.
.
.
.
.
.
.
.
7
11.90 942.30 626.00
87.50 2136.10 6759.10 4891.50 2261.30 1228.90
92.20
38.80
29.40
8
11.90 479.00 411.70
41.30 3732.50 5987.10 4469.70 2136.10 1228.90
61.00
36.30
29.40
9
11.90 373.10 257.50
27.10 2575.70 5507.90 5043.10 2136.10 1228.90
52.90
34.00
27.10
10
9.00 755.90 179.40
25.10 2177.60 4749.40 4820.30 2303.60 1166.60
43.80
31.60
27.10
11
9.00 1626.70 112.10
17.20 3667.80 4469.70 4332.10 2054.10 1105.40
38.80
29.40
29.40
12
9.00 2219.30
92.20
52.90 7717.70 3483.40 3797.50 1973.20 1045.40
36.30
27.10
49.00
13
13.60 1105.40
92.20
78.20 14988.20 8213.80 3261.10 1973.20 1015.90
38.80
25.10 241.10
14
43 80 506 90
92 20
49 00 11457 90 29822 90 2884 90 1933 20 1015 90
65 10
25 10 225 10
.
.
.
.
.
.
.
.
.
.
.
.
15
15.30 398.70
87.50 465.30 6852.90 37017.60 2728.70 1893.50 1015.90 179.40
25.10 241.10
16
11.90 411.70
69.40 2677.40 3928.80 20610.50 3261.10 1854.10 991.10 144.30
22.90 217.20
17
10.40 521.10
15.30 3862.90 3862.90 11598.10 4332.10 1815.00 991.10 107.00
25.10 172.20
18
10.40 733.70
31.60 5586.70 4128.70 8735.60 3862.90 1815.00 942.30
92.20
29.40 122.50
19
17.20 1592.00
31.60 2575.70 4196.10 8843.20 4400.70 1776.20 894.30
73.80
27.10
82.80
20
56.90 2475.50
13.60 1166.60 5906.20 10903.10 4061.70 1776.20 870.70
56.90
27.10
78.20
21
41.30 2136.10
52.90 2095.00 9945.80 12308.50 3732.50 1699.50 847.30
46.30
27.10
65.10
22
27.10 991.10
41.30 1324.60 10765.90 10903.10 3206.30 1626.70 626.00
41.30
27.10
52.90
23
22.90 521.10
21.00 535.40 8843.20 8843.20 2303.60 1626.70 564.40
38.80
25.10
43.80
24
25.10 492.90
15.30 668.30 5745.70 8213.80 1973.20 1592.00 506.90
36.30
22.90
56.90
25
43.80 335.90
17.20 1626.70 5196.40 9278.70 1973.20 1523.50 451.70
36.30
25.10
49.00
26 241.10 411.70 424.90 1357.10 13773.90 7914.80 1854.10 1592.00 424.90
36.30
34.00
36.30
27 265.80 1228.90 3862.90 549.80 14074.00 8213.80 1661.60 1592.00 451.70
41.30
34.00
34.00
28 225.10 465.30 4196.10 506.90 27668.50 11598.10 1815.00 1523.50 438.20
34.00
31.60
41.30
29 144.30 398.70 2013.50 549.80 18244.30 24335.00 1893.50 1422.80 424.90
31.60
34.00
36.30
30 122.50 506.90 549.80 300.10 9499.20 21520.80 1933.20 1389.80 373.10
31.60
27.10
31
521.10
300.10 6947.20
4263.90
249.20
36.30
27.10
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Total
1446.60 29021.40 15003.60 28360.20 255459.90 331322.60 151889.40 59751.30 27951.70 2246.60 980.60 2222.20 905656.30
Ton
Mean
48.20 936.20 500.10 914.80 8240.60 11044.10 4899.70 1991.70 901.70
72.50
33.80
71.70
Max
265.80 2475.50 4196.10 5586.70 27668.50 37017.60 19401.50 3206.30 1357.10 179.40
73.80 241.10 37017.60
Min
6.40 241.10
13.60
17.20 1973.20 3483.40 1661.60 1389.80 249.20
31.60
22.90
27.10
6.40
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