基于NOAA-AVHRR的黄河源地区草地变化与人文因素作用分析  

An Analysis of Grassland Change and Human Factor Function in Headwater Region of Yellow River Based on NOAA-AVHRR Data

作　　者：戴激光[1] 郭万钦[1] 杨太保[1] 

机构地区：[1]兰州大学地理科学系,甘肃兰州730000

出　　处：《国土资源科技管理》2006年第1期109-112,108,共5页Scientific and Technological Management of Land and Resources

摘　　要：利用1992-2000年NOAA-AVHRR数据,研究了黄河源地区草地变化的过程和模式。同时,通过对1992-2000年社会经济数据的分析,对黄河源地区人类活动的强度进行了相应的探讨。结果显示,在1992-2000年间,黄河源地区的人类活动不断加剧,而草地面积明显减少。对两者的相关性分析表明,草地的变化与人口密度、非农业人口数量及地方财政收入之间具有不同的线性相关关系。总体而言,人类活动的加剧是影响黄河源区草地变化的一个重要驱动因素。Based on NOAA-AVHRR data from 1992 to 2000, this paper studies the process and pattem of the grassland change in Headwater Region of Yellow River.Meanwhile the paper discusses the human activity intensity change in this period through analyzing the socio-economic statistics in the same region, with the result that human activity intensity kept on increasing while the grassland area gradually decreased.An analysis of the pertinence between them indicates that grassland change has a different linear relationship with the population density and non-agricultural population. Above all, the increasing human activity is an important factor affecting the grassland change.

关 键 词：黄河源地区 草地变化 人文因素 

分 类 号：F301[经济管理—产业经济]