Pan-Asian monsoon and its definition, principal modes of precipitation, and variability features

Gao, Ya; Wang, Huijun

doi:10.1007/s11430-012-4382-7

Cited by 21 publications

(16 citation statements)

References 29 publications

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“…The most recent 2015–2016 El Niño event is tied with the 1997–1998 and 1982–1983 El Niño events as the strongest events since 1950 (Huang et al, ). Previous studies indicated that ENSO can influence the Asian summer monsoon precipitation distribution (Huang and Wu, ; Chen, ; Gao and Wang, ). In this article, we mainly focus on the anomalous precipitation pattern in the Pan‐Asian monsoon region during MJJ 2016 and its dominant impact factors.…”

Section: Summary and Discussionmentioning

confidence: 97%

“…Changes in the location and intensity of rainfall centres may suffer from severe floods and drought, which often cause serious disasters for agriculture and human life. According to rainfall characteristics, previous studies defined the Pan‐Asian monsoon region to investigate the prominent precipitation mode features and its impact factors (Gao and Wang, ; Gao et al, ; ).…”

Section: Introductionmentioning

confidence: 99%

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Precipitation anomalies in the Pan‐Asian monsoon region during El Niño decaying summer 2016

Gao

Wang

Dong

2018

Intl Journal of Climatology

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The El Niño‐Southern Oscillation (ENSO) has an intimate relationship with Asian summer monsoon precipitation. Previous study pointed out that the most recent 2015–2016 El Niño event is tied with the 1997–1998 and 1982–1983 El Niño events as the strongest event since 1950, which may result in catastrophe in Asian monsoon region. Therefore, in this article, we mainly focus on the anomalous precipitation pattern in the Pan‐Asian monsoon region during MJJ 2016 and its impact factors. Results show that the summer precipitation anomalies display a meridional tripole pattern from north to south in the Pan‐Asian monsoon region during 2016. This pattern indicates that the anomalous increased rainfall is located over the middle–lower reaches of the Yangtze River valley–East China Sea (ECS) and the tropical eastern Indian Ocean–western Maritime Continent, while the anomalous decreased rainfall is located over the South China Sea (SCS)–Philippine Sea. Results suggest that the preceding winter and spring ENSO and the simultaneous summer Maritime Continent sea surface temperature (SST) are the primary impact factors of the pattern of tripole precipitation anomalies in the Pan‐Asian monsoon region during MJJ 2016. The preceding ENSO can intensify the western North Pacific subtropical high (WPSH), which results in the anomalous decrease in precipitation over the Indo‐China Peninsula–Philippine Sea. Meanwhile, more moisture is transported from the northwestern flank of WPSH to the Yangtze River valley–ESC to increase rainfall. In the ENSO decaying summer, the Maritime Continent SST anomalous warming induces an anomalous convergence in situ, which increases the local precipitation. Later, this warming can intensify the WPSH through the local meridional circulation. The north Indian Ocean SST, including Arabian Sea and Bay of Bengal, also has a high relationship with tripole precipitation pattern, but it cannot induce this tripole rainfall pattern, which establishes the linkage through the extending WPSH.

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Section: Summary and Discussionmentioning

confidence: 97%

Section: Introductionmentioning

confidence: 99%

Precipitation anomalies in the Pan‐Asian monsoon region during El Niño decaying summer 2016

Gao

Wang

Dong

2018

Intl Journal of Climatology

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“…The Indo‐Pacific SST has comparatively less influence on the southeastern Tibetan Plateau summer precipitation. This finding may be related to the Indo‐Pacific SST being more influential on the western Pacific subtropical high (WPSH) [ Gao and Wang , ] and the East Asian summer monsoon [ Chang et al ., ; Zhou et al ., ] and to the WPSH having a moderate impact on the southeastern Tibetan Plateau precipitation.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

Influences of the Atlantic Ocean on the summer precipitation of the southeastern Tibetan Plateau

Gao

Wang

2013

JGR Atmospheres

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The southeastern Tibetan Plateau is one of the predominant summer rainfall regions in the world and is also the crucial water vapor channel of the Asian summer monsoon. The rainfall variability in the region influences not only the local communities but also downstream communities in East Asia. However, previous studies have exhibited large rainfall biases in this region in state‐of‐the‐art climate models. Understanding the observed rainfall variability provides an opportunity to identify the origin of model biases and to lay a foundation for improving model performance. In this study, the interannual variability of the summer precipitation (May–September) over the southeastern Tibetan Plateau was investigated based on National Centers for Environmental Prediction/National Center for Atmospheric Research reanalysis monthly mean data from 1979 to 2010. The associated atmospheric circulation anomalies of the southeastern Tibetan Plateau summer precipitation (SET_PR) display a North Atlantic Ocean‐Europe‐Asia teleconnection pattern, indicating a possible role of the Atlantic climate in the SET_PR. Further studies have revealed that the Atlantic sea surface temperature (SST) anomalies have the greatest influence on the SET_PR via the Rossby wave response, whereas the SST anomalies in the Indo‐Pacific have less of an influence on the SET_PR because their main impacts are confined to the western North Pacific subtropical high and the monsoonal circulation there. This paper also documents the detailed spatial pattern of the atmospheric circulation anomalies associated with the SET_PR and Atlantic SST year‐to‐year variability.

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“…There are cycles of 79-85 years and quasi-60 year in low-frequency, and 3-5 years cycles in high-frequency. The significant spectral peaks of 3-5 years fall within the range of variability of the El-Niño Southern Oscillation (ENSO), and reveal a possible teleconnection between the local precipitation variability and the ENSO activity [30,31]; the 60-year cycle might suggest the influence of the Pacific Decadal Oscillation (PDO) and the North Atlantic Oscillation (NAO) [13,32]. Correlation analysis results between the reconstruction and the global sea surface temperature (SST, 1957(SST, -2006, not shown in the figures) indicated precipitation in the study area had a remarkable teleconnection (P<0.01) with the sea surface temperature of the Indian Ocean, west and north equatorial Pacific, north Atlantic, middle of the south equatorial Pacific and the Arctic ocean.…”

Section: Spectral Analysismentioning

confidence: 99%

A 457-year reconstruction of precipitation in the southeastern Qinghai-Tibet Plateau, China using tree-ring records

et al. 2013

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This paper presents a 457-year reconstruction of precipitation in the southeastern Qinghai-Tibet Plateau using tree-ring records. Tree-ring samples were collected from the Hengduan Mountains in the southeastern part of the Qinghai-Tibet Plateau, China. A nearly 500-year chronology was developed using tree-ring width records. Correlation analysis shows moisture is the main factor limiting tree growth in this region. Ring-widths were significantly positively correlated with the Palmer Drought Severity Index (PDSI) and precipitation in many months. The highest correlation coefficient was found between the annual growth of trees and precipitation from the previous September to the current June (0.738). Based on this relationship, we reconstructed the precipitation history from 1509 to 2006. The reconstruction explains 54.4% (R 2 adj =53.5%, N=49, F=56.12) of the actual precipitation variation during the calibration period . During the reliable period of the reconstruction (1549-2006), some low-frequency climate signals are included, indicating this region has been getting wetter in the last 20 years. The reconstruction documents six apparently dry and five pluvial periods and the 17th century dry period lasted longer than any other. When compared with other recent studies, this study and these earlier reconstructions show a similar trend in the variation of drought and pluvial. Further spatial correlation analysis confirms that the reconstructed precipitation adequately represents the rainfall history of the entire Hengduan Mountain area. The Multi-taper method, a type of spectral analysis, reveals that precipitation in this area had significant (P<0.01) spectral peaks at 3-5 a, 60 a and 79-85 a.Abies Mill., Hengduan Mountains, precipitation reconstruction, Qinghai-Tibet Plateau, tree-ring width Citation:Gou X H, Yang T, Gao L L, et al. A 457-year reconstruction of precipitation in the southeastern Qinghai-Tibet Plateau, China using tree-ring records.

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Pan-Asian monsoon and its definition, principal modes of precipitation, and variability features

Cited by 21 publications

References 29 publications

Precipitation anomalies in the Pan‐Asian monsoon region during El Niño decaying summer 2016

Precipitation anomalies in the Pan‐Asian monsoon region during El Niño decaying summer 2016

Influences of the Atlantic Ocean on the summer precipitation of the southeastern Tibetan Plateau

A 457-year reconstruction of precipitation in the southeastern Qinghai-Tibet Plateau, China using tree-ring records

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