Basic HTML Version
791
Location : on right bank in front of Forestry Office.
Ban
Forestry Office
Amphoe
Mueang
Changwat
Nan
WATER YEAR : 2011
NAN RIVER BASIN
Nan River at Forestry Office , Nan (N.1)
Lat 18 - 46 - 26 N Long 100 - 46 - 56 E
4,560 sq.km.
Method of sampling
Depth Integrating
US.D-49
Period of Available Records
1979-Cont'd
Actual Measurement
1979-Cont'd
2011
Drainge Area
Using Rating Curve Water Year
Instrument Used
36
0.9760
Continued Sediment Station
QS = 0.1270 QW
1.98160
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
16.70 428.20
998.70 32262.60 43198.70 11278.90 15394.00 1648.40 289.60 120.70
69.60
23.30
2
13.80 344.10
585.30 23820.50 49077.40 9880.70 25903.50 1350.30 289.60 120.70
69.60
21.50
3
12.50 200.60
453.90 13088.40 42269.80 7845.00 14834.80 1124.40 279.30 120.70
73.50
21.50
4
11.20 665.90
616.90 10468.70 27872.10 6418.40 9504.60 1039.80 279.30 114.90
73.50
21.50
5
10.00 554.50
585.30 7597.40 16252.00 27208.00 7353.70 998.70 269.10 132.70
69.60
21.50
6
10 00 958 50 1350 30 5257 10 12958 50 35481 10 5883 80 938 60 249 40 132 70
65 80
19 90
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.
.
.
7
23.30 1103.00 4217.20 3843.50 92373.40 39841.80 5136.00 880.40 239.80 126.60
51.60
19.90
8 355.60 355.60 1622.50 3100.50 91267.90 70103.80 4897.90 824.00 231.60 120.70
36.30
19.90
9
99.20 223.70 1596.70 2888.40 42578.30 70544.10 4897.90 805.60 223.70 109.40
36.30
18.30
10
62.10 249.40 1103.00 5136.00 44452.70 36048.10 4551.20 1146.10 223.70 103.80
36.30
18.30
11
48.30 1545.80
716.80 14973.70 54098.70 20084.20 3791.50 899.60 215.90
99.20
36.30
19.90
12
39.10 1446.40
539.40 7515.70 41046.90 14696.70 3195.00 751.70 215.90
99.20
42.10
21.50
13
30.90 699.60
616.90 7762.10 32984.90 11590.50 2816.40 699.60 208.20
94.60
45.20
25.10
14
23 30 665 90
649 40 58740 30 21646 80 11486 10 2605 80 649 40 208 20
94 60
42 10
25 10
.
.
.
.
.
.
.
.
.
.
.
.
15
23.30 524.50
509.90 164781.40 15820.10 12192.80 2537.40 601.00 200.60
99.20
39.10
39.10
16
21.50 585.30
415.70 119411.10 11818.70 13881.00 3100.50 554.50 185.80 114.90
36.30
58.40
17
18.30 699.60
379.10 165574.50 20598.60 12318.90 2924.80 539.40 178.70 103.80
36.30
45.20
18
16.70 1571.10
332.90 61997.70 26334.80 33807.00 2370.40 524.50 164.90
90.20
36.30
33.60
19
12.50 3007.40
379.10 26551.80 29912.20 110604.00 2177.40 509.90 164.90
85.90
36.30
25.10
20
11.20 2640.40
453.90 31785.50 166369.50 48739.00 1992.50 495.40 158.20
81.70
33.60
19.90
21
11.20 2675.10
554.50 33257.80 138642.90 72766.10 1844.60 467.10 158.20
77.50
30.90
18.30
22
12.50 1787.00
441.00 30375.20 169568.30 67922.80 1702.40 441.00 158.20
77.50
28.90
16.70
23
12.50 842.60
321.80 21824.00 115595.70 31548.20 1571.10 415.70 151.60
73.50
28.90
16.70
24
18.30 524.50
279.30 36048.10 64926.80 26334.80 1471.00 403.30 151.60
69.60
26.90
15.20
25 114.90 682.70 1422.10 29912.20 39543.30 18908.90 1350.30 379.10 151.60
65.80
26.90
15.20
26 171.70 1471.00 181001.80 13614.20 39543.30 16252.00 1326.80 367.20 145.10
65.80
25.10
15.20
27
85.90 1124.40 324349.50 10074.80 33257.80 21646.80 1303.50 355.60 138.80
65.80
25.10
15.20
28
58.40 1060.70 312073.40 14422.20 26118.70 14015.30 1303.50 332.90 138.80
62.10
25.10
19.90
29
65.80 1257.50 178520.60 9596.30 16397.20 10971.60 1190.10 310.90 132.70
62.10
23.30
23.30
30
65.80 1350.30 42578.30 7845.00 12445.50 9596.30 1326.80 300.20 126.60
65.80
19.90
31
1422.10
20426.40 11695.20
2924.80
120.70
69.60
18.30
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Total
1476.50 32667.40 1059665.30 993953.10 1550666.80 894013.00 143184.00 20754.30 6050.30 2921.30 1206.80 712.40 4707272.00
Ton
Mean
49.20 1053.80 35322.20 32063.00 50021.50 29800.40 4618.80 691.80 195.20
94.20
41.60
23.00
Max
355.60 3007.40 324349.50 165574.50 169568.30 110604.00 25903.50 1648.40 289.60 132.70
73.50
58.40 324349.50
Min
10.00 200.60
279.30 2888.40 11695.20 6418.40 1190.10 300.20 120.70
62.10
23.30
15.20
10.00
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