祁连山黑河山区土地适宜性评价

doi:10.7522/j.issn.1000-0240.2016.0169

冰川冻土 ›› 2016, Vol. 38 ›› Issue (5): 1440-1446.doi: 10.7522/j.issn.1000-0240.2016.0169

• 生态经济与可持续发展 • 上一篇下一篇

祁连山黑河山区土地适宜性评价

王海军¹, 孔祥冬¹, 张勃²

1. 成都理工大学工程技术学院, 四川乐山 614000;
2. 西北师范大学地理与环境学院, 甘肃兰州 730070

收稿日期:2016-04-09 修回日期:2016-08-20 出版日期:2016-10-25 发布日期:2017-01-22
作者简介:王海军(1984-),男,内蒙古呼伦贝尔人,讲师,2010年在西北师范大学获硕士学位,从事生态遥感与LUCC研究.E-mail:wanghaibo.2006@163.com.
基金资助:
国家自然科学基金项目（4961038）；四川省教育厅自然科学基金项目（16ZB0402）；乐山市科技局重点基金项目（16SZD030）资助

Suitability evaluation of the lands in Heihe mountainous areas in the Qilian Mountains

WANG Haijun¹, KONG Xiangdong¹, ZHANG Bo²

1. Engineering and Technical College of Chengdu University of Technology, Leshan 614000, Sichuan, China;
2. College of Geography and Environmental Science, Northwest Normal University, Lanzhou 730070, China

Received:2016-04-09 Revised:2016-08-20 Online:2016-10-25 Published:2017-01-22

摘要/Abstract

摘要：

以黑河山区为研究区域，利用Logic回归模型和空间分析技术对山区土地利用进行适宜性评价.以2011年土地利用现状数据作为背景值，构建气温、降水、海拔、坡度、人口密度、水系、交通网、村镇分布8种因子的评价指标体系.采用多尺度训练的方法确定适宜性评价最佳模拟尺度，对土地利用数据和评价因子进行Logic回归分析，得到评价因子对土地利用适宜性的影响程度.利用Spatial Analyst模块对对黑河山区土地适宜性进行评价，为区域土地资源合理利用提供科学参考.结果表明：（1）适宜性评价最佳尺度为210 m（ROC=0.79）.（2）Logic回归结果显示，坡度、气温（β_Temp=1.11）、降水对林地、草地的影响程度较高，同时距道路距离、人口密度（β_Pop=-0.555）对其分布也有重要影响.（3）山区土地利用适宜性排序为：Max_林地=Max_耕地 > Max_建设用地 > Max_裸地 > Max_草地 > Max_水域，林地与耕地最高，适宜性达到0.99.

关键词: 黑河山区, 适宜性评价, Logic回归模型, 空间分析

Abstract:

Logic regression model and spatial analysis technology were used to evaluate the suitability of land use in the Heihe mountain areas. An index system of evaluation was established, which included temperature, precipitation, digital elevation model, slope, population, water system, communication network and distribution of towns based on the land use data in 2011. The multi-scale training method was used to determine the best evaluation scale. Then, the contributions of all the evaluation factors were calculated based on the logic regression analysis. Spatial Analyst Module was used to evaluate the suitability of land use. The results show that:(1) the best scale of evaluation is 210 m (ROC=0.79); (2) slope and temperature (β_Temp=1.11) play a very important role in the change of forest and grassland. In addition, the distance to roads and the density of population have a significant impact, with a β of -0.555; (3) the suitability ranks as forest land=cultivated land > settlements > nudation > grassland > water areas, with the value of suitability is 0.99 for forestland and cultivated land.

Key words: Heihe mountainous areas, suitability evaluation, Logic regression model, spatial analysis

中图分类号:

P285.2+3

王海军, 孔祥冬, 张勃. 祁连山黑河山区土地适宜性评价[J]. 冰川冻土, 2016, 38(5): 1440-1446.

WANG Haijun, KONG Xiangdong, ZHANG Bo. Suitability evaluation of the lands in Heihe mountainous areas in the Qilian Mountains[J]. JOURNAL OF GLACIOLOGY AND GEOCRYOLOGY, 2016, 38(5): 1440-1446.

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祁连山黑河山区土地适宜性评价

Suitability evaluation of the lands in Heihe mountainous areas in the Qilian Mountains

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