Journal of Geographical Sciences ›› 2007, Vol. 17 ›› Issue (1): 73-84.doi: 10.1007/s11442-007-0073-2

• Climate and Environmental Change • Previous Articles     Next Articles

Improved version of BTOPMC model and its application in event-based hydrologic simulations

WANG Guoqiang, ZHOU Maichun, TAKEUCHI Kuniyoshi, ISHIDAIRA Hiroshi   

  1. Department of Civil &|Environmental Engineering University of Yamanashi, 4-3-11, Takeda, Kofu, Yamanashi 400-8511, Japan
  • Received:2006-08-01 Revised:2006-11-12 Online:2007-03-25 Published:2007-03-25
  • Supported by:

    21st Century Center Of Excellence (COE) Program supported by the Ministry of Education, Culture, Sports, Science and Technology of Japan

Abstract:

In this paper, a grid-based distributed hydrological model BTOPMC (Block-wise use of TOPMODEL) is introduced, which was developed from the original TOPMODEL. In order to broaden the model’s application to arid regions, improvement methodology is also implemented. The canopy interception and soil infiltration processes were incorporated into the original BTOPMC to model event-based runoff simulation in large arid regions. One de-signed infiltration model with application of time compression approximation method is emphasized and validated for improving model’s performance for event hydrological simulations with a case study of Lushi River basin.

Key words: BTOPMC, infiltration, time compression approximation, interception