Basic HTML Version
736
Location : on right bank at the bridge.
Ban
Muang Lat
Amphoe
Chang Han
Changwat
Roi Et
WATER YEAR : 2011
CHI RIVER BASIN
Chi River at Ban Muang Lat , Roi Et (E.66A)
Lat 16 - 12 - 08 N Long 103 - 31 - 41 E
31,879 sq.km.
Method of sampling
Depth Integrating
US.D-49
Period of Available Records
2004-Cont'd
Actual Measurement
2004-Cont'd
2004-2011
Drainge Area
Using Rating Curve Water Year
Instrument Used
164
0.8059
Continued Sediment Station
QS = 9.5552 QW
0.96890
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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1 418.10 428.80 580.40 888.90 1949.50 3770.00 7708.00 9856.00 2114.00 684.00 562.50 580.40
2 421.40 421.40 637.10 943.30 1954.90 3821.20 7815.50 9393.20 1832.30 754.10 584.50 377.90
3 414.00 452.50 1040.60 993.60 1986.90 3898.30 7923.00 9167.60 1487.10 679.10 624.20 261.20
4 334.20 465.60 1186.80 1023.90 2018.10 3968.50 8030.40 8855.50 1309.60 606.30 650.10 374.60
5 312.70 492.50 1265.30 951.30 2071.10 4037.10 8143.70 8614.50 1236.00 633.10 654.90 571.50
6 330 90 457 40 1378 30 951 30 2103 10 4113 40 8260 00 8376 20 1014 30 624 20 633 10 688 80
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7 382.00 370.50 1694.50 951.30 2092.90 4189.50 8534.10 8143.70 908.10 602.30 602.30 758.90
8 487.60 316.00 1944.00 968.10 2087.50 4273.30 8855.50 7887.10 972.80 571.50 553.60 743.60
9 558.50 239.50 2082.00 989.60 2087.50 4341.80 9256.70 7672.10 1085.20 562.50 523.50 709.00
10 553.60 204.40 2066.40 972.00 2108.50 4507.50 9669.20 7456.90 984.80 593.40 562.50 713.80
11 567.40 268.70 2044.60 959.30 2193.30 4671.50 10045.60 7246.00 913.70 606.30 575.50 734.00
12 549.50 301.90 2029.00 1109.80 2335.50 4815.60 10479.20 7004.90 949.70 589.30 536.50 624.20
13 518.60 414.00 2023.60 1300.10 2436.30 4943.00 10921.10 6763.50 1038.20 575.50 536.50 558.50
14 518 60 668 60 1896 40 1517 80 2440 90 5077 80 11268 10 6583 50 1031 80 518 60 501 50 575 50
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15 536.50 602.30 1801.00 1583.00 2457.20 5260.80 11418.50 6430.30 972.80 509.70 527.60 562.50
16 531.60 465.60 1568.10 1668.60 2501.30 5475.40 11518.80 6274.00 932.10 580.40 558.50 558.50
17 505.60 428.80 1416.90 1658.40 2489.70 5627.90 11719.30 6144.60 892.90 637.10 575.50 597.40
18 461.50 424.70 1289.80 1648.20 2695.50 5718.40 11922.60 5935.40 848.90 628.20 567.40 633.10
19 424.70 461.50 1338.80 1578.30 2775.70 5813.30 12330.40 5700.30 758.90 743.60 558.50 693.70
20 388.60 457.40 1338.80 1472.10 2912.20 5915.00 12587.80 5458.80 674.30 1020.70 501.50 688.80
21 367.20 448.40 1240.70 1309.60 3072.40 6123.60 11871.80 5179.10 718.70 1258.10 479.50 606.30
22 305.20 439.40 1165.40 1294.50 3230.70 6361.20 11518.80 4868.70 674.30 1621.50 540.60 606.30
23 294.40 518.60 1118.60 1231.20 3476.10 6660.00 11569.00 4544.00 593.40 1745.40 571.50 611.20
24 279.50 553.60 1023.90 1201.90 3439.40 7142.70 11669.20 4189.50 483.60 1375.10 584.50 549.50
25 215.30 514.50 938.50 1289.80 3482.30 7314.80 11619.10 3802.10 597.40 1202.70 584.50 536.50
26 161.40 523.50 847.30 1378.30 3500.70 7456.90 11418.50 3384.20 356.50 1061.30 540.60 589.30
27 188.40 558.50 776.60 1507.50 3519.00 7492.80 11168.50 2804.30 509.70 1144.00 558.50 589.30
28 257.90 743.60 834.40 1648.20 3543.60 7528.70 10921.10 2661.50 650.10 937.70 674.30 432.00
29 276.20 774.20 938.50 1774.40 3592.50 7564.50 10625.60 2446.30 619.30 799.10 688.80 382.00
30 291.10 688.80 913.70 1837.80 3660.60 7636.30 10430.40 2208.90 602.30 658.90
392.70
31
619.30
1960.40 3718.00
10187.70
615.30 518.60
403.30
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Total
11852.20 14724.50 40420.00 40562.50 83932.90 165520.80 321407.20 185052.70 28378.10 25042.30 16613.00 17704.30 951210.60
Ton
Mean
395.10 475.00 1347.30 1308.50 2707.50 5517.40 10368.00 6168.40 915.40 807.80 572.90 571.10
Max
567.40 774.20 2082.00 1960.40 3718.00 7636.30 12587.80 9856.00 2114.00 1745.40 688.80 758.90 12587.80
Min
161.40 204.40 580.40 888.90 1949.50 3770.00 7708.00 2208.90 356.50 509.70 479.50 261.20 161.40
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