Is the ‘water tower’ reassuring? Viewing water security of Qinghai-Tibet Plateau from the perspective of ecosystem services ‘supply-flow-demand’
文献类型：期刊论文
| 作者 | Liu, Jingya2,3,4; Qin, Keyu1,2,4; Xie, Gaodi2,4; Xiao, Yu2,4; Huang, Mengdong2,4; Gan, Shuang2,4,5 |
| 刊名 | Environmental Research Letters
 |
| 出版日期 | 2022-09-01 |
| 卷号 | 17期号:9页码:N/A |
| 关键词 | Qinghai-Tibet Plateau watershed ecosystem service flows water security |
| DOI | 10.1088/1748-9326/ac8c57 |
| 英文摘要 | Abstract Ecosystem service flow plays a vital role in the formation, transportation, transformation, and maintenance of ecosystem services. For ecosystem services with spatiotemporal mismatch of supply and demand, ecosystem service flow explains the integrated process of ‘supply-flow-demand’ of ecosystem services. The present study evaluates the supply and demand of ecosystem water provision services in the Qinghai-Tibet Plateau and simulates the spatial flow pattern and transmission mechanism of water provision services. Additionally, the study establishes dynamic and static water security indices and identify water security level to quantify the water resources security of Qinghai-Tibet Plateau under the changing ecological environment. The research shows: (a) the annual total water surplus were 6.71 × 1011 m3, 8.43 × 1011 m3, 7.86 × 1011 m3 and 2.91 × 1011 m3. The supply–demand relationship of water provisioning service in the Qinghai-Tibet Plateau shows an obvious oversupply condition; (b) The water security level of the plateau is high (level V and level IV), indicating that the water security status of the Qinghai- Tibet Plateau is under good condition, however, the area with low-security levels (Level I and Level II) is increasing. (c) From the perspective of ‘supply-demand-flow’ of ecosystem services, although the function of the water tower on the Qinghai Tibet Plateau has declined, it remained safe condition on the whole study area. The method of establishing spatial correlation between mismatched supply and demand of ecosystem services and evaluating regional water security based on ecosystem service flow constructed in this study presents the water security status and spatial distribution of Qinghai-Tibet Plateau more scientifically, providing a reference for water resource management in other regions. |
| 语种 | 英语 |
| 出版者 | IOP Publishing |
| WOS记录号 | IOP:ERL_17_9_094043 |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/193080]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Qin, Keyu |
| 作者单位 | 1.Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, People’s Republic of China 2.Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, A11 Datun Road, 100101 Beijing, People’s Republic of China 3.Key Laboratory of Coastal Science and Integrated Management, Ministry of Natural Resources, Qingdao 266061, People’s Republic of China 4.University of Chinese Academy of Sciences, 19 A Yuquan Road, Shijingshan District, Beijing 100049, People’s Republic of China 5.Graduate School of Media and Governance, Keio University, Fujisawa 2520882, Japan |
| 推荐引用方式 GB/T 7714 | Liu, Jingya,Qin, Keyu,Xie, Gaodi,et al. Is the ‘water tower’ reassuring? Viewing water security of Qinghai-Tibet Plateau from the perspective of ecosystem services ‘supply-flow-demand’[J]. Environmental Research Letters,2022,17(9):N/A. |
| APA | Liu, Jingya,Qin, Keyu,Xie, Gaodi,Xiao, Yu,Huang, Mengdong,&Gan, Shuang.(2022).Is the ‘water tower’ reassuring? Viewing water security of Qinghai-Tibet Plateau from the perspective of ecosystem services ‘supply-flow-demand’.Environmental Research Letters,17(9),N/A. |
| MLA | Liu, Jingya,et al."Is the ‘water tower’ reassuring? Viewing water security of Qinghai-Tibet Plateau from the perspective of ecosystem services ‘supply-flow-demand’".Environmental Research Letters 17.9(2022):N/A. |
入库方式： OAI收割
来源：地理科学与资源研究所
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