Knowledge Resource Center for Ecological Environment in Arid Area
| DOI | 10.2166/hydro.2023.062 |
| Satellite-based investigation of water stress at the basin scale: an integrated analysis of downscaled GRACE estimates and remotely sensed data | |
| Khorrami, Behnam | |
| 通讯作者 | Khorrami, B |
| 来源期刊 | JOURNAL OF HYDROINFORMATICS
 |
| ISSN | 1464-7141 |
| EISSN | 1465-1734 |
| 出版年 | 2023 |
| 卷号 | 25期号:4页码:1501-1512 |
| 英文摘要 | Freshwater availability is a very determining issue, especially in semiarid and arid regions, for sustainable development and secured food production. In this premise, the detection and assessment of water stress are of utmost importance. In this study, the satellite-based Potential Available Water Storage (PAWS) index is used to test its feasibility for a basin-scale analysis of water stress in the Western Mediterranean Basin (WMB) in Turkiye. The coarse-resolution GRACE (Gravity Recovery And Climate Experiment) estimates were downscaled based on the Random Forest (RF) model and then were integrated with fine-resolution precipitation data to derive fine-resolution PAWS values. The accuracy of the index was validated against the net water flux (NWF) and water storage deficit (WSD) values over the basin. The results revealed a good performance for the PAWS index for a local scale evaluation of water stress. The PAWS variations turned out to be highly correlated with the NWF (r = 0.72) and WSD (r = 0.66). The PAWS indicates that the WMB has suffered from a critical hydrological situation from 2003 to 2020 during which the basin has been under stress with the most critical situation in 2018 when the per capita water has fallen below 500 m(3) suggesting an absolute water stress status. |
| 英文关键词 | GRACE potential available water storage remote sensing water stress Western Mediterranean Basin |
| 类型 | Article |
| 语种 | 英语 |
| 开放获取类型 | gold |
| 收录类别 | SCI-E |
| WOS记录号 | WOS:001033294800001 |
| WOS关键词 | CLIMATE-CHANGE ; RESOURCES ; MODEL |
| WOS类目 | Computer Science, Interdisciplinary Applications ; Engineering, Civil ; Environmental Sciences ; Water Resources |
| WOS研究方向 | Computer Science ; Engineering ; Environmental Sciences & Ecology ; Water Resources |
| 资源类型 | 期刊论文 |
| 条目标识符 | http://119.78.100.177/qdio/handle/2XILL650/397369 |
| 推荐引用方式 GB/T 7714 | Khorrami, Behnam. Satellite-based investigation of water stress at the basin scale: an integrated analysis of downscaled GRACE estimates and remotely sensed data[J],2023,25(4):1501-1512. |
| APA | Khorrami, Behnam.(2023).Satellite-based investigation of water stress at the basin scale: an integrated analysis of downscaled GRACE estimates and remotely sensed data.JOURNAL OF HYDROINFORMATICS,25(4),1501-1512. |
| MLA | Khorrami, Behnam."Satellite-based investigation of water stress at the basin scale: an integrated analysis of downscaled GRACE estimates and remotely sensed data".JOURNAL OF HYDROINFORMATICS 25.4(2023):1501-1512. |
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