Research Article
Spatial Interpolation of Annual Runoff in Ungauged Basins Based on the Improved Information Diffusion Model Using a Genetic Algorithm
Table 1
The latitude, longitude, altitude, catchment area, and the annual runoff from 2002 to 2011 of nine sites on mainstream of the Yellow River.
| Site | Tangnaihai | Lanzhou | Toudaoguai | Longmen | Tongguan | Huayuankou | Gaocun | Aishan | Lijin |
| Latitude (N) | 35.6 | 36 | 40.1 | 35.7 | 34.5 | 34.8 | 35.1 | 36.3 | 35.6 | Longitude (E) | 100.1 | 103.8 | 111.1 | 110.6 | 110.3 | 114.1 | 115.1 | 116.2 | 111 | Altitude (m) | 3320 | 1520 | 1620 | 421 | 327.94 | 205 | 78 | 197.2 | 8 | Catchment area (km2) | 121972 | 222551 | 367898 | 497552 | 682141 | 730036 | 734146 | 749136 | 751869 | The runoff in 2011 (×108 m3) | 211.2 | 284.1 | 162.9 | 169.4 | 259.6 | 287.1 | 262.3 | 238.6 | 184.2 | The runoff in 2010 (×108 m3) | 197.1 | 314 | 191.2 | 207.3 | 262.5 | 276.3 | 258.3 | 242 | 193 | The runoff in 2009 (×108 m3) | 263.5 | 304.7 | 169.6 | 178.3 | 206.5 | 232.2 | 208.9 | 187.9 | 132.9 | The runoff in 2008 (×108 m3) | 174.6 | 285.1 | 164.1 | 177.6 | 204.8 | 236.1 | 220.8 | 197.1 | 145.6 | The runoff in 2007 (×108 m3) | 189.0 | 307.0 | 189.3 | 205.9 | 250.4 | 269.7 | 259.8 | 248.7 | 204.0 | The runoff in 2006 (×108 m3) | 141.3 | 298.9 | 174.9 | 199.6 | 233.4 | 281.1 | 265.9 | 246.6 | 191.7 | The runoff in 2005 (×108 m3) | 255.0 | 291.1 | 150.2 | 169.2 | 230.8 | 257.0 | 243.4 | 245.4 | 206.8 | The runoff in 2004 (×108 m3) | 151.3 | 238.5 | 127.6 | 158.5 | 197.3 | 240.5 | 231.0 | 233.7 | 198.8 | The runoff in 2003 (×108 m3) | 171.6 | 219.7 | 115.6 | 162.3 | 261.4 | 272.7 | 257.6 | 240.0 | 192.6 | The runoff in 2002 (×108 m3) | 105.8 | 235.8 | 122.8 | 156.6 | 174.7 | 195.6 | 157.7 | 107.9 | 41.90 |
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