Year

Observed runoff in Xiaheyan & meiliqu

Section

Xiaheyan

+

Section

Observed runoff in Shizuishan

Calculated W_C

Controlled

Uncontrolled

Evaporation

Sum

1999

268.8

2.553

1.093

0.867

2.779

271.6

227.6

43.98

2000

235.3

1.877

0.971

0.637

2.211

237.5

204.7

32.81

2001

216.0

2.166

1.023

0.735

2.454

218.5

181.1

37.35

2002

218.0

2.099

1.011

0.712

2.398

220.4

183.9

36.50

2003

202.4

1.751

0.949

0.594

2.106

204.5

172.5

32.01

2004

220.0

2.546

1.092

0.864

2.774

222.8

178.7

44.07

2005

271.3

2.926

1.160

0.993

3.093

274.4

223.2

51.23

2006

278.1

4.041

1.506

1.120

4.427

282.5

233.6

48.93

2007

283.3

4.058

1.254

1.140

4.172

287.5

244.6

42.87

2008

263.1

3.138

1.123

1.060

2.701

265.8

224.8

41.00

2009

283.7

3.238

1.300

1.150

3.388

287.1

241.6

45.49

2010

295.0

3.389

1.240

1.190

3.439

298.4

262.5

35.94

2011

277.4

3.062

1.108

1.120

3.050

280.5

241.2

39.25

2012

374.4

2.231

1.082

1.080

2.233

376.7

356.9

19.76

Mean

263.3

2.791

1.137

0.947

2.945

266.3

226.9

39.37