典型年份渭河流域蓝水绿水时空差异分析

doi:10.3969/j.issn.1000-6362.2016.02.004

中国农业气象 ›› 2016, Vol. 37 ›› Issue (02): 149-157.doi: 10.3969/j.issn.1000-6362.2016.02.004

典型年份渭河流域蓝水绿水时空差异分析

赵安周，朱秀芳，潘耀忠，刘鑫

1. 河北工程大学资源学院，邯郸 056038；2. 北京师范大学地表过程与资源生态国家重点实验室/资源学院, 北京 100875； 3. 北京建工建筑设计研究院，北京 100044

收稿日期:2015-06-30 出版日期:2016-04-20 发布日期:2016-04-18
作者简介:赵安周（1985-），博士，讲师，主要研究方向为水资源对气候变化和土地利用的响应及其干旱评价。 E-mail: zhaoanzhou@126.com
基金资助:
国家自然科学基金青年科学基金项目(41401479)；国家“高分辨率对地观测系统”重大专项

Spatiotemporal Variation of Blue-Green Water under Typical Reference Years in the Weihe River Basin

ZHAO An-zhou, ZHU Xiu-fang, PAN Yao-zhong, LIU Xin

1. College of Resources, Hebei University of Engineering, Handan 056038, China; 2.State Key Laboratory of Earth Surface Processes and Resource Ecology/College of Resources Science & Technology, Beijing Normal University, Beijing 100875; 3.Beijing Jiangong Building Design and Research Institute, Beijing 100044

Received:2015-06-30 Online:2016-04-20 Published:2016-04-18

摘要/Abstract

摘要： 以西北地区湿润/干旱过渡地带的渭河流域为例，采用降水距平百分率和标准化降水指数识别湿润年、正常年和干旱年，同时结合SWAT（Soil and Water Assessment Tool）模型的输出结果分析各典型年该流域蓝水绿水的时空分布差异。结果表明：（1）采用降水距平百分率和标准化降水指数两种方法确定1983、1997和2007年分别为湿润年、干旱年和正常年；（2）模型评价的结果表明，SWAT模型的月径流模拟的精度较高，可以准确描述渭河流域的径流变化过程；（3）在流域尺度上，绿水流的变化在湿润年、干旱年和正常年的变化相对稳定，绿水系数在湿润年、干旱年和正常年分别为82.06%、93.47%和87.72%；（4）从空间分布来看，蓝水绿水资源在渭河流域的分布呈现自东南向西北减少的趋势，绿水系数的空间分布表明在湿润年份（1983）或地区（东南部）绿水比重明显低于干旱年份（1997）或地区（北部）。

关键词: SWAT模型, 蓝水绿水, 绿水系数, 渭河流域

Abstract: In order to understand the spatiotemporal pattern difference of blue-green water in typical reference years on a watershed scale, this study selected the Weihe River Basin in northwestern of China to analyze the spatiotemporal distribution pattern difference of blue-green water, and obtained the typical reference years by using standardized precipitation index(SPI) and precipitation anomaly index(Pa). The results showed that: (1)the years of 1983, 1997 and 2007 were determined as wet year, dry year and normal year, respectively. (2)Calibration and validation results showed a similar change trend between simulated and observed discharges, and the SWAT can be used to predict hydrological processes in Weihe River Basin. (3)Change of the green water was relatively stable in the typical reference years, and the green water coefficients were 82.06%, 93.47% and 87.72% in the wet year, dry year and normal year, respectively. (4)Spatially, the blue-green water decreased from southeast to northwest in Weihe River Basin. The spatial distribution of green water indicated that the proportion of green water in the wet year (1983) or areas (southeast) was lower than the normal and dry year (1997) or areas (north).

Key words: SWAT, Blue-green water, Green water coefficient, Weihe River Basin

赵安周，朱秀芳，潘耀忠，刘鑫. 典型年份渭河流域蓝水绿水时空差异分析[J]. 中国农业气象, 2016, 37(02): 149-157.

ZHAO An-zhou, ZHU Xiu-fang, PAN Yao-zhong, LIU Xin. Spatiotemporal Variation of Blue-Green Water under Typical Reference Years in the Weihe River Basin[J]. Chinese Journal of Agrometeorology, 2016, 37(02): 149-157.

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典型年份渭河流域蓝水绿水时空差异分析

Spatiotemporal Variation of Blue-Green Water under Typical Reference Years in the Weihe River Basin

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