Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.1080/10106049.2021.1886337 |
| Understanding cotton cultivation dynamics in Aksu Oases (NW China) by reconstructing change trajectories using multi-temporal Landsat and Sentinel-2 data | |
| Liu, Guilin | |
| 通讯作者 | Liu, GL (corresponding author), South China Normal Univ, Sch Geog, Guangzhou, Peoples R China. ; Liu, GL (corresponding author), South China Normal Univ, Guangdong Prov Ctr Smart Land Res, Guangzhou, Peoples R China. |
| 来源期刊 | GEOCARTO INTERNATIONAL
 |
| ISSN | 1010-6049 |
| EISSN | 1752-0762 |
| 出版年 | 2021-02 |
| 英文摘要 | Understanding spatiotemporal dynamics of cotton cultivation patterns is an essential input to cotton farming management, production prediction and policy formulations. Thus, this study demonstrates cotton cultivation dynamics by constructing their change trajectories using multi-temporal Landsat and Sentinel-2 images. Then we reclassified the trajectories into four change trends, namely permanent cotton-field, cotton-field gain, cotton-field loss and unstable changes type. The results showed that increased cotton-cultivated areas were greater than the decreased areas. Cotton fields' expansion gradually appeared in the outer parts of the permanent cotton fields, especially towards the northern mountain front alluvial-plain. Production decline caused by cotton cultivation loss was 3.09 x 10(8) kg. The observed cotton cultivation dynamics were associated to farmers' options driven by crop price fluctuations, agricultural policies and natural conditions. The production loss was associated to cotton field loss and fields that underwent unstable changes. Management strategies should thus focus intercepting the loss and the unstable change trajectories. |
| 英文关键词 | Cotton cultivation mapping remote sensing temporal trajectory arid oasis region |
| 类型 | Article ; Early Access |
| 语种 | 英语 |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:000623883500001 |
| WOS类目 | Environmental Sciences ; Geosciences, Multidisciplinary ; Remote Sensing ; Imaging Science & Photographic Technology |
| WOS研究方向 | Environmental Sciences & Ecology ; Geology ; Remote Sensing ; Imaging Science & Photographic Technology |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/352206 |
| 作者单位 | [Liu, Guilin] South China Normal Univ, Sch Geog, Guangzhou, Peoples R China; [Liu, Guilin] South China Normal Univ, Guangdong Prov Ctr Smart Land Res, Guangzhou, Peoples R China |
| 推荐引用方式 GB/T 7714 | Liu, Guilin. Understanding cotton cultivation dynamics in Aksu Oases (NW China) by reconstructing change trajectories using multi-temporal Landsat and Sentinel-2 data[J],2021. |
| APA | Liu, Guilin.(2021).Understanding cotton cultivation dynamics in Aksu Oases (NW China) by reconstructing change trajectories using multi-temporal Landsat and Sentinel-2 data.GEOCARTO INTERNATIONAL. |
| MLA | Liu, Guilin."Understanding cotton cultivation dynamics in Aksu Oases (NW China) by reconstructing change trajectories using multi-temporal Landsat and Sentinel-2 data".GEOCARTO INTERNATIONAL (2021). |
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