摘要
以1989年和2000年两期TM影像为基础,在遥感分类的基础上对莫索湾绿洲景观格局变化及由此产生的生态环境问题进行了初步分析。结果表明:该绿洲整体向良性生态方向发展,人工绿洲面积1989~2000间增幅达17.12%;该绿洲主要是向二侧的横向扩张,特别是绿洲的南部;该绿洲存在着一定程度的弃荒现象,同时绿洲及外围荒漠区土地盐碱化现象明显,低覆盖度草地面积有较大增加,增幅达2.38倍。
Based on the classification of TM images in 1989 and 2000,this article analyzed the Mosouwan Oasis Landscape Change characteristics and its eco-environment problems.The conclusion is that the artificial oasis area increased 17.12% in 1989～2000.The oasis-style growth primarily is the side extendtion along the oasis,especially in the south of the oasis.There is a certain degree of abandoned phenomenon in the oasis,at the same time the land salinization phenomenon of the north Mosouwan oasis is evident.
出处
《石河子大学学报（自然科学版）》
CAS
2007年第3期303-306,共4页
Journal of Shihezi University(Natural Science)
基金
973重大基础研究前期研究专项(2004CCA02800)
关键词
人工绿洲
遥感影像
景观
土地盐碱化
artificial oasis
remote sensing image
landscape
land salinization
