天津北三河地区垂向耦合产流模型及应用

J4 ›› 2011, Vol. 41 ›› Issue (2): 459-464.

天津北三河地区垂向耦合产流模型及应用

李发文¹|冯平¹|张超²

1.天津大学建筑工程学院|天津300072;
2.山东省济宁市南四湖水利管理局|山东济宁272000

收稿日期:2010-05-20 出版日期:2011-03-26 发布日期:2011-03-26
作者简介:李发文(1976-)|男|江苏连云港人|副教授|博士,主要从事水文水资源研究|E-mail:lifawen@tju.edu.cn
基金资助:
国家自然科学基金项目(50909069)

Vertically-Mixed Runoff Model and Application in Beisan River of Tianjin

LI Fa-wen¹, FENG Ping¹,ZHANG Chao²

1.School of Civil Engineering, Tianjin University, Tianjin300072, China;
2.Nansihu Lake Administration of Conservancy Ministry of Jining,Shandong, Jining272000, Shandong,China

Received:2010-05-20 Online:2011-03-26 Published:2011-03-26

摘要/Abstract

摘要：

针对平原地区下垫面多样性的特点，将天津北三河地区下垫面划分为水面、农业用地和城镇建设用地3类，分别采用不同的产流模型。由于北三河地区农业用地主要为旱地，普遍存在犁底层；因此将非饱和带分为耕作层、犁底层和基础层3部分，分别采用蓄满产流、层间超渗产流和蓄满产流耦合产流模式，并考虑犁底层中大孔隙的存在对产流的影响。用北三河第9产流分区1966、1971、1974、1975、1976年资料建立产流模型，用1977年和1982年资料进行检验，合格率达85.7%。应用结果表明，该模型符合实际情况，可以反映北三河地区的水文特点，为平原地区水文分析提供参考。

关键词: 垂向耦合模型, 产流, 犁底层, 大孔隙, 下垫面, 天津

Abstract:

Based on the complex variation of land cover in plain area, Beisan River of Tianjin area is classified into the water surface, farm land and urban construction land, runoff models are adopted according to different land cover. The land for farming is mainly dry land, in which exist plough pan, so the unsaturated zone is plotted out plough layer, plough pan and basic layer, which adopts respectively the excess storage, excess infiltration and excess storage runoff mode, and the influence of macropore in plough pan on runoff is considered. Hydrologic data of 1966,1971,1974,1975 and 1976 in the 9th area of Beisan River are used to establish the runoff model, which is checked by data of 1977 and 1982, resulting in a comprehensive qualified data up to 85.7%. Application of the model has proved that the model conforms to the actual situation and may truly reflect the characteristics of the Beisan River, and may serve as a reference for hydrologic analysis of plain area.

Key words: vertically-mixed model, runoff, plough pan, macropore, land cover, Tianjin

中图分类号:

P641.8

李发文, 冯平, 张超. 天津北三河地区垂向耦合产流模型及应用[J]. J4, 2011, 41(2): 459-464.

LI Fa-wen, FENG Ping, ZHANG Chao. Vertically-Mixed Runoff Model and Application in Beisan River of Tianjin[J]. J4, 2011, 41(2): 459-464.

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