Can IMERG Data Capture the Scaling of Precipitation Extremes With Temperature at Different Time Scales?
文献类型：期刊论文
| 作者 | Hosseini-Moghari, Seyed-Mohammad1; Tang, Qiuhong1,2 |
| 刊名 | GEOPHYSICAL RESEARCH LETTERS
 |
| 出版日期 | 2022-02-16 |
| 卷号 | 49期号:3页码:10 |
| 关键词 | dry and wet regions HadISD scaling factor sub-daily precipitation the CONUS |
| ISSN号 | 0094-8276 |
| DOI | 10.1029/2021GL096392 |
| 通讯作者 | Tang, Qiuhong(tangqh@igsnrr.ac.cn) |
| 英文摘要 | This study evaluates the validity of the Integrated Multisatellite Retrievals for Global Precipitation Measurement (IMERG) in scaling extreme precipitation with temperature (termed scaling factor, SF). To this end, we use Hadley-Integrated Surface Database (HadISD) data set at 1-hourly, 6-hourly, and 24-hourly scales between 2000 and 2020 over the contiguous United States (CONUS) as a reference data set. Our findings reveal that IMERG can capture changes in precipitation extremes with the temperature at 6-hourly, and 24-hourly scales, especially over dry regions. The difference between IMERG's SF and HadISD's SF at 6-hourly scale is less than 0.3%/degrees C in dry areas. However, IMERG underestimates SF in wet regions, especially at 1-hourly scale, up to similar to 5%/degrees C. It is found that IMERG's performance is dependent on temperature, particularly at 1-hourly scale. IMERG overestimates extreme precipitations when temperatures are below 5 degrees-11 degrees C while the opposite is true at higher temperatures, indicating the need for considering temperature in adjusting IMERG. |
| WOS关键词 | SENSITIVITY ; MICROWAVE ; PRODUCTS |
| 资助项目 | National Natural Science Foundation of China[41790424] ; National Natural Science Foundation of China[41730645] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDA20060402] ; Chinese Academy of Sciences President's International Fellowship Initiative[2019VEA0019] |
| WOS研究方向 | Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000759485200003 |
| 出版者 | AMER GEOPHYSICAL UNION |
| 资助机构 | National Natural Science Foundation of China ; Strategic Priority Research Program of Chinese Academy of Sciences ; Chinese Academy of Sciences President's International Fellowship Initiative |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/171972]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Tang, Qiuhong |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing, Peoples R China 2.Univ Chinese Acad Sci, Beijing, Peoples R China |
| 推荐引用方式 GB/T 7714 | Hosseini-Moghari, Seyed-Mohammad,Tang, Qiuhong. Can IMERG Data Capture the Scaling of Precipitation Extremes With Temperature at Different Time Scales?[J]. GEOPHYSICAL RESEARCH LETTERS,2022,49(3):10. |
| APA | Hosseini-Moghari, Seyed-Mohammad,&Tang, Qiuhong.(2022).Can IMERG Data Capture the Scaling of Precipitation Extremes With Temperature at Different Time Scales?.GEOPHYSICAL RESEARCH LETTERS,49(3),10. |
| MLA | Hosseini-Moghari, Seyed-Mohammad,et al."Can IMERG Data Capture the Scaling of Precipitation Extremes With Temperature at Different Time Scales?".GEOPHYSICAL RESEARCH LETTERS 49.3(2022):10. |
入库方式： OAI收割
来源：地理科学与资源研究所
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