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水循环综合模拟系统的降雨产流模型研究
Alternative TitleStudy on rainfall-runoff model of hydro-informatic modeling system
刘昌明1,2; 李军3; 王中根1
Corresponding Author刘昌明
2015
Source Publication河海大学学报(自然科学版)
ISSN1000-1980
Volume43Issue:5Pages:377-383
Other Abstract

重点阐述国内自主研发的水循环综合模拟系统(HIMS,hydro-infomatic modelling system)降雨产流模型的新发展。HIMS原有产流计算主要是基于降雨动态入渗机制的LCM模型,该产流模型是通过大量野外小流域观测试验提出的经验模型。为进一步揭示其物理机制,HIMS研究团队基于物理机制清晰的Green-Ampt模型,提出了新的GAF模型。从理论上通过GAF模型可以直接推导出LCM模型,以及SCS-CN模型,并证明了LCM模型是GAF模型的高精度幂指数近似,而SCS-CN模型是GAF模型的倒数线性近似解简化;通过对GAF模型解析解的深入分析,提出了两参数SCS-CN修正模型,使之包含了雨强的影响。

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his paper focuses on the new developments in the rainfall-runoff model of the hydro-informatic modeling system (HIMS). The original rainfall-runoff model of HIMS is the LCM model, which is based on the dynamic rainfall infiltration mechanism and has been built through a large number of field observation experiments in small watersheds. In order to further understand the physical mechanism of the LCM model, the HIMS research team proposes a new GAF model based on the Green-Ampt model whose physical mechanism is clear. Theoretically, the LCM model and the SCS-CN model can be directly derived from the GAF model, it is proven that the LCM model is a high-accuracy power exponent approximation of the GAF model, and that the SCS-CN model is a simplification of the reciprocal linear approximation solution of the GAF model. Based on deep analysis of the analytical solution of the GAF model, a modified SCS-CN method with two new parameters, which considers the impact of rainfall intensity, is proposed.

Keyword:水循环模拟 降雨产流模型 Lcm模型 Gaf模型 Scs-cn模型
Subject AreaP339
DOI10.3876/j.issn.1000-1980.2015.05.001
Indexed ByCSCD ; 北大中文核心
Language中文
CSCD IDCSCD:5567262
Funding Organization国家自然科学重点基金(41330529) ; 国家自然科学基金(41271048)
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/20741
Collection山地灾害与地表过程重点实验室
Affiliation1.中国科学院地理科学与资源研究所/陆地水循环及地表过程重点实验室
2.北京师范大学水科学研究院
3.中国科学院水利部成都山地灾害与环境研究所/山地灾害与地表过程重点实验室
Recommended Citation
GB/T 7714
刘昌明,李军,王中根. 水循环综合模拟系统的降雨产流模型研究[J]. 河海大学学报(自然科学版),2015,43(5):377-383.
APA 刘昌明,李军,&王中根.(2015).水循环综合模拟系统的降雨产流模型研究.河海大学学报(自然科学版),43(5),377-383.
MLA 刘昌明,et al."水循环综合模拟系统的降雨产流模型研究".河海大学学报(自然科学版) 43.5(2015):377-383.
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