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Scientia Silvae Sinicae ›› 2008, Vol. 44 ›› Issue (1): 26-33.doi: 10.11707/j.1001-7488.20080105

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Simulation of Interception Quantity by Black Locust Canopy in Loess Hilly and Gully Region

Wei Sanping1.2,Wang Li1.3,Wu Faqi1   

  1. (1.College of Resources and Environment,Northwest A & F University Yangling 712100; 2. Shanxi Institute of Soiland Water Conservation Science Lishi 033001; 3.State Key Laboratory of Soil Erosion and Dryland Farming of Loess Plateau,Institute of Soil and Water Conservation,CAS & MWR Yangling 712100)
  • Received:2007-01-10 Revised:1900-01-01 Online:2008-01-25 Published:2008-01-25

Abstract:

In Yangou watershed of the loess region in northern of Shaanxi Province,based on outdoor experimental data of 42 rainfalls in Black Locust woodlands,adjunctive interception was calculated by PenmanMonteith equation and the formula to calculate adjunctive interception quantity was established,which is adapted to the hilly and gully region of northern of Shaanxi Province. Cui Qiwu and Wang Yanhui models were revised so as to improve markedly their precision and reflect better the practical situation of rain interception by canopy. 

Key words: canopy interception quantity, simulation, Black Locust (Robinia pseudoacacia), loess hilly and gully region