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广东省灌溉水有效利用系数年度变化与影响因素关系分析
  • ISSN号：1672-3317
  • 期刊名称：《灌溉排水学报》
  • 时间：0
  • 分类：S274.3[农业科学—农业水土工程;农业科学—农业工程]
  • 作者机构：[1]广东省水利水电科学研究院,广州510635, [2]广东省水动力学应用研究重点实验室,广州510635, [3]中山大学水资源与环境系,广州510275
  • 相关基金：广东省水利科技创新项目（201107）;国家自然科学基金项目（41071020）
作者： 王小军[1], 张强[2], 易小兵[3]
关键词： 灌溉水有效利用系数, 分形理论, 影响因素, 优势分析法, effective utilization coefficient of irrigation water, fractal theory~ influencing factors, advan-tage analysis method
中文摘要：

采用分形理论的位序-规模法，系统研究了广东省2005-2011年间样点灌区各年度灌溉水有效利用系数的尺度变异规律。结果表明，样点灌区灌溉水有效利用系数年度变化总体呈明显的双分形结构，分维值为5．95-10．92，整体呈逐年增大和均衡发展趋势。同时，基于优势分析法，种植结构、输配水、用水管理、灌溉技术和田间用水5类因素中，用水管理和灌溉技术因素贡献作用最大，占总贡献的48．25％。

英文摘要：

The scale changes of irrigation water effective utilization coefficient from 2005 to 2011 in sam- pling sites of Guangdong were systematically studied using fractal theory with the the rank-size law. The results showed that annual effective utilization coefficient of irrigation water changed with two distinct fractal structure, and fractal dimension value ranged from 5.95 to 10.92, meaning that the overall trend was increasing and balanced year by year. From the aspects of structural measures for agriculture, water distribution measures, water management measures, technical measures and field irrigation water meas- ures, the weight of water management measures and technical measure was the top, accounting for 48.25% of the total contribution based on advantage analysis method.

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期刊信息
  • 《灌溉排水学报》
  • 中国科技核心期刊
  • 主管单位:水利部、农业部
  • 主办单位:水利部中国农业科学院农田灌溉研究所 中国水利学会
  • 主编：段爱旺
  • 地址：河南省新乡市宏力大道（东）380号
  • 邮编：453003
  • 邮箱：ggpsxb@sina.com
  • 电话：0373-3393346
  • 国际标准刊号：ISSN：1672-3317
  • 国内统一刊号：ISSN：41-1337/S
  • 邮发代号:36-69
  • 获奖情况:
  • 全国期刊规范执行优秀奖,全国优秀农业期刊奖,全国水利系统优秀科技期刊
  • 国内外数据库收录:
  • 中国中国科技核心期刊,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）
  • 被引量:8880