甘肃省地区农业旱灾脆弱性评价

doi:10.3969/j.issn.0255-8297.2018.03.011

应用科学学报 ›› 2018, Vol. 36 ›› Issue (3): 515-523.doi: 10.3969/j.issn.0255-8297.2018.03.011

甘肃省地区农业旱灾脆弱性评价

代永强^1,2, 王联国¹, 胡斌²

1. 甘肃农业大学信息科学技术学院, 兰州 730070;
2. 兰州大学信息科学与工程学院, 兰州 730000

收稿日期:2017-09-01 修回日期:2017-09-29 出版日期:2018-05-31 发布日期:2018-05-31
作者简介:代永强,副教授,研究方向:智能计算,E-mail:dyq@gsau.edu.cn
基金资助:
国家自然科学基金（No.61402211，No.61063028，No.61210010）；甘肃省教育厅教育信息化发展战略研究项目基金（No.2011-02）；甘肃省自然科学基金（No.1506RJZA007）资助

Agricultural Drought Vulnerability Evaluation of Gansu Province

DAI Yong-qiang^1,2, WANG Lian-guo¹, HU Bin²

1. College of Information Science & Technology, Gansu Agricultural University, Lanzhou 730070, China;
2. College of Information Science and Engineering, Lanzhou University, Lanzhou 730000, China

Received:2017-09-01 Revised:2017-09-29 Online:2018-05-31 Published:2018-05-31

摘要/Abstract

摘要：

农业旱灾脆弱性评价指标呈现多维及互不相关特性，利用混合蛙跳算法投影寻踪模型对农业旱灾脆弱性进行综合评价是一种新的研究方法.引入细菌觅食算法趋化操作至基本混合蛙跳算法中，强化了个体在解空间的精细化搜索能力，有效提高了算法优化投影寻踪模型的精度和稳定性.投影寻踪模型根据样本数据寻求最佳投影方向，进而获取指标影响权重系数，客观上降低了人为赋权对评价结果的影响.使用该方法对甘肃省14个地区主要农业旱灾脆弱性指标数据分析评价，进一步验证了其可行性与有效性.

关键词: 投影寻踪, 农业旱灾脆弱性, 投影值, 混合蛙跳算法

Abstract:

Address to the multidimensionality and the uncorrelation of agricultural drought vulner-ability evaluation indicators a new method, projection pursuit based on the improved shufed frog leaping algorithm, is used to evaluate the agricultural drought vulnerability. By combining the chemotaxis operation of bacteria foraging algorithm with the shufed frog leaping algorithm, the method enhances the individual refnement searching ability within solution domain and improves the optimizing accuracy and stability of the projection pursuit model. The proposed method searches for the optimal projection direction and acquires evaluation index weights basing on characteristics of sample data, accordingly, reducing the interference of artifcial empowerment with evaluation results of objectivity. The feasibility and validity of the method are verifed by the analyzing and evaluating the agricultural drought vulnerability data in 14 regions of Gansu province.

Key words: projection pursuit, projection value, hufed frog leaping algorithm, agricultural drought vulnerability

中图分类号:

TP181

代永强, 王联国, 胡斌. 甘肃省地区农业旱灾脆弱性评价[J]. 应用科学学报, 2018, 36(3): 515-523.

DAI Yong-qiang, WANG Lian-guo, HU Bin. Agricultural Drought Vulnerability Evaluation of Gansu Province[J]. Journal of Applied Sciences, 2018, 36(3): 515-523.

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甘肃省地区农业旱灾脆弱性评价

Agricultural Drought Vulnerability Evaluation of Gansu Province

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