摘要
利用 1987年和 1998年两个时相的 TM图像对毛乌素沙地东缘进行植被覆盖度信息提取、面积量算 ,客观地反映了 11年间植被盖度变化情况 。
Vegetation coverage information in East Maowusu sand area were extracted and calculated by using TM imagery received in 1987 and 1998. The changes of vegetation coverage in past 11 years were obtained. The paper evaluated the effect of sand control in recent years and demonstrated the relationship between coal mine exploitation and vegetation recovery.
出处
《地球信息科学》
CSCD
2001年第4期42-44,共3页
Geo-information Science
