Research Article
Hydrological Modeling of the Jiaoyi Watershed (China) Using HSPF Model
Table 6
Statistics of annual water balance components for agricultural land in Jiaoyi watershed (units: inches).
| | | Year | | | 2001 | 2002 | 2003 | 2004 | 2005 | 2006 | 2007 | Mean |
| Rainfall | 26.99 | 22.38 | 39.75 | 37.13 | 42.19 | 26.06 | 38.0 | 33.21 | Runoff | Surface flow | 0.081 | 0.005 | 0.085 | 0.565 | 0.806 | 0.202 | 0.624 | 0.338 | Interflow | 3.01 | 0.258 | 5.546 | 6.024 | 9.114 | 3.794 | 7.918 | 5.095 | Base flow | 1.341 | 0.36 | 3.529 | 2.881 | 4.079 | 1.829 | 3.249 | 2.467 | Total | 4.432 | 0.623 | 9.16 | 9.47 | 14.0 | 5.825 | 11.79 | 7.9 |
| Deep groundwater | 1.034 | 0.65 | 2.042 | 1.623 | 2.041 | 1.019 | 1.692 | 1.443 | Evaporation | Potential | 35.15 | 36.6 | 30.4 | 34.84 | 34.3 | 34.31 | 33.89 | 34.21 | Interception | 4.193 | 3.371 | 5.37 | 5.02 | 4.626 | 2.927 | 3.844 | 4.193 | Upper zone | 8.652 | 8.488 | 11.22 | 13.13 | 12.97 | 10.84 | 12.1 | 11.06 | Lower zone | 6.53 | 8.208 | 5.261 | 6.432 | 5.486 | 6.951 | 3.783 | 6.093 | Ground water | 1.035 | 1.514 | 0.968 | 1.272 | 0.894 | 1.12 | 0.418 | 1.032 | Base flow | 0.821 | 0.344 | 1.205 | 1.364 | 1.335 | 0.969 | 1.407 | 1.064 | Total | 21.23 | 21.93 | 24.02 | 27.22 | 25.31 | 22.81 | 21.55 | 23.44 |
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