Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1007/s00382-019-04982-z |
Northern Hemisphere land monsoon precipitation changes in the twentieth century revealed by multiple reanalysis datasets | |
Huang, Xin1,3; Zhou, Tianjun1,2,3; Zhang, Wenxia1; Jiang, Jie1,3; Li, Puxi1,3; Zhao, Yin1,3 | |
2019-12-01 | |
发表期刊 | CLIMATE DYNAMICS
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ISSN | 0930-7575 |
EISSN | 1432-0894 |
出版年 | 2019 |
卷号 | 53期号:11页码:7131-7149 |
文章类型 | Article |
语种 | 英语 |
国家 | Peoples R China |
英文摘要 | Observations are required to understand monsoon changes over time. Reanalyses are useful supplements to observations; however, their ability to reveal long-term monsoon changes remains unknown. Here, we evaluate against observations the performance of two reanalysis datasets covering the whole twentieth century, the ECMWF reanalysis of the twentieth century (ERA20C) and the Twentieth Century Reanalysis Project (20CR), in terms of reproducing the climatological averages, the centennial co-variation, and long-term trends of Northern Hemisphere land monsoon rainfall (NHLMR). Their performance is compared with three other widely used reanalyses, the NCEP-NCAR reanalysis (NCEP1), the ECMWF 40-year reanalysis (ERA40), and the Japanese 55-year Reanalysis Project (JRA55), for the period after 1955. Results show that the five reanalysis datasets reasonably reproduce the climatological NHLMR and NHLM domains. The leading co-variation mode of NHLMR, with an overall increasing tendency before 1955 and a decreasing tendency afterwards, is captured by the corresponding principal components of the two long-term datasets, with some spatial biases. For the long-term precipitation trends, both the ERA20C and 20CR reproduce the increasing trend during 1901-1955, except for parts of the North African (NAF) monsoon region. However, neither dataset captures the decreasing trend of NHLMR after 1955 because of limitations in the NAF and North American (NAM) monsoon region. The NCEP1, ERA40, and JRA55 datasets also have shortcomings in the NAM region. An overall decreasing NHLMR is only shown in the NCEP1 dataset. A moisture budget analysis reveals that the long-term trends of NHLMR are dominated by the dynamic component of moisture convergence, suggesting a prominent role for atmospheric circulation changes. The influence of residual terms related to observations assimilated in the reanalyses is also discussed. |
英文关键词 | Northern Hemisphere land monsoon rainfall Long-term changes Reanalysis data Moisture budget analysis |
领域 | 气候变化 |
收录类别 | SCI-E |
WOS记录号 | WOS:000494681900036 |
WOS关键词 | GLOBAL MONSOON ; ATMOSPHERIC MOISTURE ; HYDROLOGICAL CYCLE ; SUMMER ; MECHANISMS ; ENERGY ; OCEAN ; INTENSIFICATION ; BUDGETS ; SURFACE |
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/224282 |
专题 | 环境与发展全球科技态势 |
作者单位 | 1.Chinese Acad Sci, Inst Atmospher Phys, LASG, Beijing 100029, Peoples R China; 2.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing, Peoples R China; 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China |
推荐引用方式 GB/T 7714 | Huang, Xin,Zhou, Tianjun,Zhang, Wenxia,et al. Northern Hemisphere land monsoon precipitation changes in the twentieth century revealed by multiple reanalysis datasets[J]. CLIMATE DYNAMICS,2019,53(11):7131-7149. |
APA | Huang, Xin,Zhou, Tianjun,Zhang, Wenxia,Jiang, Jie,Li, Puxi,&Zhao, Yin.(2019).Northern Hemisphere land monsoon precipitation changes in the twentieth century revealed by multiple reanalysis datasets.CLIMATE DYNAMICS,53(11),7131-7149. |
MLA | Huang, Xin,et al."Northern Hemisphere land monsoon precipitation changes in the twentieth century revealed by multiple reanalysis datasets".CLIMATE DYNAMICS 53.11(2019):7131-7149. |
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