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DOI | 10.1175/JCLI-D-16-0702.1 |
Contrasting Daytime and Nighttime Precipitation Variability between Observations and Eight Reanalysis Products from 1979 to 2014 in China | |
Zhou, Chunlue; Wang, Kaicun | |
2017-08-01 | |
发表期刊 | JOURNAL OF CLIMATE |
ISSN | 0894-8755 |
EISSN | 1520-0442 |
出版年 | 2017 |
卷号 | 30期号:16 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Daytime (0800-2000 Beijing time) and nighttime (2000-0800 Beijing time) precipitation at approximately 2100 stations in China from 1979 to 2014 was used to evaluate eight current reanalyses. Daytime, nighttime, and nighttime-daytime contrast of precipitation were examined in aspects of climatology, seasonal cycle, interannual variability, and trends. The results show that the ECMWF interim reanalysis (ERA-Interim), ERA-Interim/Land, Japanese 55-year Reanalysis (JRA-55), and NCEP Climate Forecast System Reanalysis (CFSR) can reproduce the observed spatial pattern of nighttime-daytime contrast in precipitation amount, exhibiting a positive center over the eastern Tibetan Plateau and a negative center over southeastern China. All of the reanalyses roughly reproduce seasonal variations of nighttime and daytime precipitation, but not always nighttime-daytime contrast. The reanalyses overestimate drizzle and light precipitation frequencies by greater than 31.5% and underestimate heavy precipitation frequencies by less than 230.8%. The reanalyses successfully reproduce interannual synchronizations of daytime and nighttime precipitation frequencies and amounts with an averaged correlation coefficient r of 0.66 against the observed data but overestimate their year-to-year amplitudes by approximately 64%. The trends in nighttime, daytime, and nighttime-daytime contrast of the observed precipitation amounts are mainly dominated by their frequencies (r - 0.85). Less than moderate precipitation frequency has exhibited a significant downward trend (-2.5% decade(-1) during nighttime and -1.7% decade(-1) during daytime) since 1979, which is roughly captured by the reanalyses. However, only JRA-55 captures the observed trend of nighttime precipitation intensity (2.4% decade(-1)), while the remaining reanalyses show negative trends. Overall, JRA-55 and CFSR provide the best reproductions of the observed nighttime-daytime contrast in precipitation intensity, although they have considerable room for improvement. |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000406040200022 |
WOS关键词 | DIURNAL CYCLE ; GLOBAL PRECIPITATION ; THUNDERSTORM FREQUENCIES ; HYDROLOGIC-CYCLE ; ERA-INTERIM ; RAINFALL ; MONSOON ; CIRCULATION ; INTENSITY ; BEHAVIOR |
WOS类目 | Meteorology & Atmospheric Sciences |
WOS研究方向 | Meteorology & Atmospheric Sciences |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/20894 |
专题 | 气候变化 |
作者单位 | Beijing Normal Univ, Coll Global Change & Earth Syst Sci, Beijing, Peoples R China |
推荐引用方式 GB/T 7714 | Zhou, Chunlue,Wang, Kaicun. Contrasting Daytime and Nighttime Precipitation Variability between Observations and Eight Reanalysis Products from 1979 to 2014 in China[J]. JOURNAL OF CLIMATE,2017,30(16). |
APA | Zhou, Chunlue,&Wang, Kaicun.(2017).Contrasting Daytime and Nighttime Precipitation Variability between Observations and Eight Reanalysis Products from 1979 to 2014 in China.JOURNAL OF CLIMATE,30(16). |
MLA | Zhou, Chunlue,et al."Contrasting Daytime and Nighttime Precipitation Variability between Observations and Eight Reanalysis Products from 1979 to 2014 in China".JOURNAL OF CLIMATE 30.16(2017). |
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