Man-made oasis change and its effects on the hydrological regime of the Aksu River basin
文献类型：会议论文
| 作者 | Liu,Suxia ; Zhang,Chun(张春) ; Zhang,Shouhong ; Mo,Xingguo |
| 出版日期 | 2011 |
| 会议名称 | Symposium H02 on Cold Regions Hydrology in a Changing Climate, Held During the 25th General Assembly of the International Union of Geodesy and Geophysics, IUGG 2011 |
| 会议日期 | June 28, 2011 - July 7, 2011 |
| 会议地点 | Melbourne, VIC, Australia |
| 关键词 | Hydrology Water supply |
| 通讯作者 | Liu,Suxia |
| 英文摘要 | By carefully classifying the NDVI spatial information retrieved from MODIS 13 over the Aksu Basin (China) into seven categories based on fractional vegetation cover, with a careful division of the whole study region (WS) into man-made sub-region (MMS) and natural sub-region (NS), and with special consideration of the seasonal difference between summer and winter, a new index, called the man-made oasis index (MMOI), to describe the extent of man-made oasis (EMMO), is proposed. It is expressed as the linear weighted combination of the area ratio of each class from III to VI to the total area, with the higher the class number the higher the weight. The reason to choose classes from III to VI is that in winter they can be only found in MMS. MMOI in winter in MMS shows an increasing trend over the last 10 years, which matches well with the increase of EMMO found from the documented study. A transfer function between MMOI in winter in MMS and EMMO is then proposed to calculate EMMO based on MMOI. As paddy field was only found located in MMS, evapotranspiration over the paddy field (ETP) simulated by the VIP distributed eco-hydrological dynamic model was chosen as the rate representative of water consumption by man-made oasis (WCMMO) per unit of EMMO. WCMMO is then calculated yearly based on the ETp information multiplied with EMMO based on the index MMOI. The simulated results of yearly WCMMO are useful in exploring the effects of the oasis on the hydrological regime of the Aksu River. |
| 收录类别 | EI |
| 会议录 | IAHS-AISH Publication
 |
| 会议录出版者 | IAHS Press, Wallingford, Oxfordshire |
| 会议录出版地 | OX10 8BB, United Kingdom |
| 语种 | 英语 |
| ISSN号 | 0144-7815 |
| ISBN号 | 9781907161216 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/21961]  |
| 专题 | 地理科学与资源研究所_研究生部 |
| 推荐引用方式 GB/T 7714 | Liu,Suxia,Zhang,Chun,Zhang,Shouhong,et al. Man-made oasis change and its effects on the hydrological regime of the Aksu River basin[C]. 见:Symposium H02 on Cold Regions Hydrology in a Changing Climate, Held During the 25th General Assembly of the International Union of Geodesy and Geophysics, IUGG 2011. Melbourne, VIC, Australia. June 28, 2011 - July 7, 2011. |
入库方式： OAI收割
来源：地理科学与资源研究所
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