Knowledge Resource Center for Ecological Environment in Arid Area
| 河西走廊张掖绿洲土地利用/土地覆盖变化特征 | |
| 其他题名 | Landuse/landcover changes in Zhangye oasis of Hexi Corridor |
| […] | |
| 来源期刊 | Journal of Geographical Sciences
 |
| ISSN | 1009-637X |
| 出版年 | 2003 |
| 卷号 | 13期号:1页码:71-75 |
| 英文摘要 | Taking two false color composite Landsat 5 TM (Thematic Mapper) images of band 4,3,2 taken in 1995 and 2000 as data resources, this paper carried out study on LUCC of Zhangye oasis in recent five years by interpretation according to land resources classification system of 1:100,000 Resources and Environmental Database of the Chinese Academy of Sciences. The results show that great changes have taken place in landuse/landcover in Zhangye oasis since 1995: (1) Changes of landuse structure show that cropland and land for urban construction and built-up area increased, on the contrary, water area and grassland decreased. These changes reflect the deterioration of eco-environment and the acceleration of urbanization, and also indicate the problems existing in the arrangement of water and land resources between the upper and lower reaches of the Heihe River. (2) Regional differences of landuse/landcover are evident, characterized by following aspects: in Sunan County located in Qilian Mountain area, unused land and grassland decreased, but cropland and land for urban construction and built-up area increased. In Minle and Shandan counties located in foothills, unused land, water area and cropland decreased, but grassland and land for urban construction and built-up area increased. In Zhangye City, Linze County and Gaotai County located in plain area of the middle reaches of the Heihe River, unused land, water area and grassland decreased, while woodland, cropland and land for urban construction and built-up area increased. |
| 英文关键词 | landuse/landcover changes (LUCC) Zhangye oasis Hexi Corridor |
| 语种 | 英语 |
| 国家 | 中国 |
| 收录类别 | CSCD |
| WOS类目 | AGRICULTURAL ECONOMICS POLICY |
| WOS研究方向 | Agriculture |
| CSCD记录号 | CSCD:1269953 |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/203792 |
| 推荐引用方式 GB/T 7714 | […]. 河西走廊张掖绿洲土地利用/土地覆盖变化特征[J],2003,13(1):71-75. |
| APA | […].(2003).河西走廊张掖绿洲土地利用/土地覆盖变化特征.Journal of Geographical Sciences,13(1),71-75. |
| MLA | […]."河西走廊张掖绿洲土地利用/土地覆盖变化特征".Journal of Geographical Sciences 13.1(2003):71-75. |
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