小兴安岭典型集水区水文过程模拟研究

刘春雨,国庆喜

南京林业大学学报(自然科学版) ›› 2013, Vol. 37 ›› Issue (04) : 69-74.

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南京林业大学学报(自然科学版) ›› 2013, Vol. 37 ›› Issue (04) : 69-74. DOI: 10.3969/j.issn.1000-2006.2013.04.013
研究论文

小兴安岭典型集水区水文过程模拟研究

  • 刘春雨,国庆喜*
作者信息 +

Simulation research of hydrological processes on the typical catchment in Lesser Khingan Mountains

  • LIU Chunyu, GUO Qingxi*
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文章历史 +

摘要

以GIS技术及数据库、计算机编程语言为基础,根据东北森林动态规律、年内积雪及冻土冻融特性规律,构建了分布式水文模型——NEHM,并采用NEHM模拟小兴安岭汤旺河流域典型集水区逐日径流过程,基于育林沟水文观测站2004年实测资料分别对比了生长季径流总量和日径流模拟结果。结果显示,生长季径流总量模拟值和真实值比较接近,日径流量模拟的效率系数(Ens)和相关系数(R2)均高于0.75。在此基础上,设置不同降水量情景,同时采用NEHM模拟了观测点所在栅格地表径流水量的变化。结果表明,通过NEHM模拟,能够体现出降雨变化对水文过程的影响。

Abstract

According to the dynamic variations of northeast China forests hydrological processes and annual snow and frozen soil characteristics, we established the distributed hydrologic processed model by using the GIS technology and computer programming language. The daily runoff process of the typical catchment of Tangwang River Basin in Lesser Khingan Mountains was simulated by NEHM and was compared with the observed data about the growing season amounts of surface runoff and daily surface runoff in 2004 in Yulin River. Results showed that the simulated and measured values had a great relationship(R2 and Ens ≥0.75). On this basis, the simulations of land surface streamflow amounts in observation station grids with various precipitations scenes were conducted by NEHM, and the NEHM could give exactly expression to the effects of rainfall scenes on hydrologic process.

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刘春雨,国庆喜. 小兴安岭典型集水区水文过程模拟研究[J]. 南京林业大学学报(自然科学版). 2013, 37(04): 69-74 https://doi.org/10.3969/j.issn.1000-2006.2013.04.013
LIU Chunyu, GUO Qingxi. Simulation research of hydrological processes on the typical catchment in Lesser Khingan Mountains[J]. JOURNAL OF NANJING FORESTRY UNIVERSITY. 2013, 37(04): 69-74 https://doi.org/10.3969/j.issn.1000-2006.2013.04.013
中图分类号: S715   

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基金

收稿日期:2012-11-20 修回日期:2013-03-18
基金项目:国家林业公益性行业科研专项项目(201104005-05)
第一作者:刘春雨,硕士生。*通信作者:国庆喜,教授。E-mail: gqx@nefu.edu.cn。
引文格式:刘春雨,国庆喜. 小兴安岭典型集水区水文过程模拟研究[J]. 南京林业大学学报:自然科学版,2013,37(4):69-74.

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