| 基于GIS的陇中黄土高原潜在生态环境评价研究 |
| |
| 引用本文： | 张秀英,赵传燕.基于GIS的陇中黄土高原潜在生态环境评价研究[J].兰州大学学报(自然科学版),2003,39(3):73-76. |
| |
| 作者姓名： | 张秀英 赵传燕 |
| |
| 作者单位： | 兰州大学,西部环境教育部重点实验室,甘肃,兰州,730000 |
| |
| 基金项目： | 国家重点基础研究发展规划“中国北方沙漠化过程及其防治研究”资助项目 ( G2 0 0 0 0 4870 1 ) . |
| |
| 摘 要： | 利用Arc／Info提供的主成分分析方法对陇中黄土高原潜在生态环境进行评价．首先选取对潜在生态环境影响较大的指标构建数字生态环境模型，然后对二级指标体系进行主成分分析，获得一级指标指数，最后对一级指标体系进行主成分分析，获得潜在生态环境评价指数．主要目的在于提供一种生态环境评价方法．
|
| 关 键 词： | 陇中黄土高原 数字环境模型 主成分分折 潜在生态环境评价 |
| 文章编号： | 0455-2059(2003)03-0073-04 |
| 修稿时间： | 2002年3月26日 |
Study on a potential eco-environment evaluation based on GIS in Longzhong Loess Plateau |
| |
| ZHANG Xiu-ying,ZHAO Chuan-yan.Study on a potential eco-environment evaluation based on GIS in Longzhong Loess Plateau[J].Journal of Lanzhou University(Natural Science),2003,39(3):73-76. |
| |
| Authors: | ZHANG Xiu-ying ZHAO Chuan-yan |
| |
| Abstract: | This potential eco-environment of Longzhong Loess Plateau is evaluated by using uhe principal component analysis with GIS software Arc/info.Firstly,the Digital Environmental Model (DEM) is set up by more heavily influential factors to the potential eco-environment.Secondly,the principal component analysis is performed to the second class indexes to obtain the first class indexes.Then the potential eco-environment index is obtained in the same way.The main purpose is to supply a method to evaluate the eco-environment. |
| |
| Keywords: | Longzhong Loess Plateau digital environmental model principal component analysis potential eco-environment evaluation |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
