采用主成分分法评价水电开发对人地关系的影响

怒江水电开发将会对当地的经济、生态、环境、旅游、景观等多方面带来较大影响。对此，已开展了大量的研究，以定性研究主，定量研究较少，而且多以单一因素影响为主，综合研究较少。文中对已有人地关系研究成果分析，选取影响人地关系各方面有代表性的4大方面的13个指标，采用主成分分析法，就怒江水电开发对当地人地关系的影响定量地进行了综合评价分析。

The Use of Principal Component Analysis in Evaluation of Man-land Relationship Influence of Hydropower Development (Taking Nujiang Prefecture as an Example)

Hydropower development of the Nujiang River will result in more influence on local economy,ecology,environment,tourism,landscape and so on.Many researches have been done by government and researchers on the influences,however the researches are more qualitative and less quantitative,more on one single element,less on integration.This thesis analyses the result of other researches on man-land relationship and chooses 13 representative indexes in 4 aspects of man-land relationship,evaluates comprehensively and quantitatively Nujiang prefecture man-land relationship with Principal Component Analysis.