GRACE-based dynamic assessment of hydrological drought trigger thresholds induced by meteorological drought and possible driving mechanisms
文献类型：期刊论文
| 作者 | Han, Zhiming11; Huang, Shengzhi10; Peng, Jian8,9; Li, Jianfeng6,7; Leng, Guoyong5; Huang, Qiang10; Zhao, Jing10; Yang, Fang4; He, Panxing3; Meng, Xiaoyu1,2 |
| 刊名 | REMOTE SENSING OF ENVIRONMENT
 |
| 出版日期 | 2023-12-01 |
| 卷号 | 298页码:15 |
| ISSN号 | 0034-4257 |
| 关键词 | GRACE Cumulative precipitation anomaly Drought Trigger threshold |
| DOI | 10.1016/j.rse.2023.113831 |
| 通讯作者 | Huang, Shengzhi(huangshengzhi7788@126.com) ; Li, Zhi(lizhibox@126.com) |
| 英文摘要 | Determining the threshold at which meteorological drought triggers hydrological drought is critical for early warning and proper mitigation of drought. However, drought trigger thresholds are difficult to determine owing to the nonlinearity between meteorological and hydrological drought, and their dynamics have not been explored. To this end, we introduce a precipitation-driven drought trigger threshold framework. This framework considers the multiscale characteristics of cumulative precipitation anomalies and incorporates the drought severity index of terrestrial water storage anomalies to characterize hydrological drought. The dynamics of trigger thresholds over time and the main drivers of these variations are further explored over China. The results show that hydrological drought is more sensitive to meteorological drought in south China, with some regions showing weak or negative correlations mainly determined by the differences between climate change and human activities. The risk of drought outbreak in the central, northeastern and southern regions of China is high, with trigger thresholds showing a dynamic decreasing trend over time (corresponding to lower cumulative precipitation anomalies), indicating weakened resistance to meteorological drought. Rising temperature is the main factor affecting dynamic changes in the trigger threshold. The drought trigger threshold framework proposed in this study is also applicable for assessments in other regions around the world. This study provides valuable insights and new approaches for understanding the mechanisms of hydrological drought formation. Furthermore, these results are expected to severe as a scientific basis for government departments to reduce water supply stress on human and natural systems and to develop adaptive management strategies. |
| WOS关键词 | TERRESTRIAL WATER STORAGE ; LOESS PLATEAU ; CLIMATE DATA ; SATELLITE ; PRECIPITATION ; TRENDS ; YIELD |
| 资助项目 | National Natural Science Foundation of China[52309036] ; National Natural Science Foundation of China[52279026] ; China Postdoctoral Science Foundation[2022 M722607] ; Chi- nese Universities Scientific Fund[2452023276] ; Young Talent fund of University Association for Science and Technology in Shaanxi, China[20220710] |
| WOS研究方向 | Environmental Sciences & Ecology ; Remote Sensing ; Imaging Science & Photographic Technology |
| 语种 | 英语 |
| 出版者 | ELSEVIER SCIENCE INC |
| WOS记录号 | WOS:001088616600001 |
| 资助机构 | National Natural Science Foundation of China ; China Postdoctoral Science Foundation ; Chi- nese Universities Scientific Fund ; Young Talent fund of University Association for Science and Technology in Shaanxi, China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/199198]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Huang, Shengzhi; Li, Zhi |
| 作者单位 | 1.Henan Univ, Collaborat Innovat Ctr Yellow River Civilizat Hena, Kaifeng 475000, Peoples R China 2.Henan Univ, Key Res Inst Yellow River Civilizat & Sustainable, Kaifeng 475000, Peoples R China 3.Henan Normal Univ, Xinxiang 453007, Peoples R China 4.Chinese Res Inst Environm Sci, Beijing 100012, Peoples R China 5.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 6.Hong Kong Baptist Univ, Ctr Geocomputat Studies, Hong Kong, Peoples R China 7.Hong Kong Baptist Univ, Dept Geog, Hong Kong, Peoples R China 8.Univ Leipzig, Remote Sensing Ctr Earth Syst Res, D-04103 Leipzig, Germany 9.UFZ Helmholtz Ctr Environm Res, Dept Remote Sensing, Permoserstr 15, D-04318 Leipzig, Germany 10.Xian Univ Technol, State Key Lab Ecohydraul Northwest Arid Reg China, Xian 710048, Peoples R China |
| 推荐引用方式 GB/T 7714 | Han, Zhiming,Huang, Shengzhi,Peng, Jian,et al. GRACE-based dynamic assessment of hydrological drought trigger thresholds induced by meteorological drought and possible driving mechanisms[J]. REMOTE SENSING OF ENVIRONMENT,2023,298:15. |
| APA | Han, Zhiming.,Huang, Shengzhi.,Peng, Jian.,Li, Jianfeng.,Leng, Guoyong.,...&Li, Zhi.(2023).GRACE-based dynamic assessment of hydrological drought trigger thresholds induced by meteorological drought and possible driving mechanisms.REMOTE SENSING OF ENVIRONMENT,298,15. |
| MLA | Han, Zhiming,et al."GRACE-based dynamic assessment of hydrological drought trigger thresholds induced by meteorological drought and possible driving mechanisms".REMOTE SENSING OF ENVIRONMENT 298(2023):15. |
入库方式： OAI收割
来源：地理科学与资源研究所
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