Influence of Kuroshio SST front in the East China Sea on the climatological evolution of Meiyu rainband

Xu, Mimi; Xu, Haiming; Ren, Huijun

doi:10.1007/s00382-017-3681-2

Cited by 20 publications

(19 citation statements)

References 68 publications

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“…correspondence with the rainband over southern China and the Kuroshio warm tongue in the ECS (not shown). Then, the rapid northward migration from 298 to 338N occurs until mid-July, generally consistent with previous studies (e.g., Wang and LinHo 2002;Tomita et al 2011;Xu et al 2018). However, when the Kuroshio shifts offshore, the mei-yu-baiu front indeed substantially shifts to north of its climatological location by ;28 of latitude (i.e., staying within 308-328N) during mid-Maymid-June (see yellow dots with circles in Fig.…”

Section: B Modulation On the Mei-yu-baiu Front During Mid-may-junesupporting

confidence: 89%

“…S1 and S2 in the online supplemental material). Therefore, we chose the 6-hourly fields of ERA-Interim to diagnose the moisture budget, rather than the NCEP-CFSR that was used by Sasaki and Yamada (2018) and Xu et al (2018). In the present study, all results are presented for the period of 1994-2015, except the TRMM precipitation product for 1998-2015.…”

Section: A Satellite Observations and Era-interimmentioning

confidence: 99%

“…In comparison, fewer studies have focused on the climatic effects of the Kuroshio main stream. However, it has been revealed that the Kuroshio in the ECS can have salient impact on the mean states of local atmosphere during the warm season (e.g., Xu et al 2011;Sasaki et al 2012;Kunoki et al 2015;Liu et al 2016;Xu et al 2018). In terms of the summertime climatological conditions in the ECS-Kuroshio region, the Kuroshio accompanies a warm-tongue SST signature of 268-288C ( Fig.…”

Section: Introductionmentioning

confidence: 99%

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Influence of the Kuroshio Interannual Variability on the Summertime Precipitation over the East China Sea and Adjacent Area

et al. 2019

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Much attention has been paid to the climatic impacts of changes in the Kuroshio Extension, instead of the Kuroshio in the East China Sea (ECS). This study, however, reveals the prominent influences of the lateral shift of the Kuroshio at interannual time scale in late spring [April–June (AMJ)] on the sea surface temperature (SST) and precipitation in summer around the ECS, based on high-resolution satellite observations and ERA-Interim. A persistent offshore displacement of the Kuroshio during AMJ can result in cold SST anomalies in the northern ECS and the Japan/East Sea until late summer, which correspondingly causes anomalous cooling of the lower troposphere. Consequently, the anomalous cold SST in the northern ECS acts as a key driver to robustly enhance the precipitation from the Yangtze River delta to Kyushu in early summer (May–August) and over the central ECS in late summer (July–September). In view of the moisture budget analysis, two different physical processes modulated by the lateral shift of the Kuroshio are identified to account for the distinct responses of precipitation in early and late summer, respectively. First, the anomalous cold SST in the northern ECS induced by the Kuroshio offshore shift is likely conducive to the earlier arrival of the mei-yu–baiu front at 30°–32°N and its subsequent slower northward movement, which may prolong the local rainy season, leading to the increased rain belt in early summer. Second, the persistent cold SST anomalies in late summer strengthen the near-surface baroclinicity and the associated strong atmospheric fronts embedded in the extratropical cyclones over the central ECS, which in turn enhances the local rainfall.

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Section: B Modulation On the Mei-yu-baiu Front During Mid-may-junesupporting

confidence: 89%

Section: A Satellite Observations and Era-interimmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Influence of the Kuroshio Interannual Variability on the Summertime Precipitation over the East China Sea and Adjacent Area

et al. 2019

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“…The Meiyu period on the Yangtze Plain usually starts in mid-June and ends in mid-July (Tao & Ding, 1981). Much research has been carried out to gain a better understanding of Meiyu rainfall with the aim of improving the prediction of heavy rainfall and reducing losses due to flooding (Li et al, 2019;Luo et al, 2013;Ninomiya & Akiyama, 1992;Ninomiya & Shibagaki, 2007;Sampe & Xie, 2010;Xu et al, 2018;Zhang et al, 2008;Zheng et al, 2008). Much research has been carried out to gain a better understanding of Meiyu rainfall with the aim of improving the prediction of heavy rainfall and reducing losses due to flooding (Li et al, 2019;Luo et al, 2013;Ninomiya & Akiyama, 1992;Ninomiya & Shibagaki, 2007;Sampe & Xie, 2010;Xu et al, 2018;Zhang et al, 2008;Zheng et al, 2008).…”

Section: Introductionmentioning

confidence: 99%

“…Despite the short duration of the Meiyu period, Meiyu rainfall accounts for a large proportion of the annual precipitation, exceeding 50% of the total precipitation on the Yangtze Plain in some years (Ding, 1992). Much research has been carried out to gain a better understanding of Meiyu rainfall with the aim of improving the prediction of heavy rainfall and reducing losses due to flooding (Li et al, 2019;Luo et al, 2013;Ninomiya & Akiyama, 1992;Ninomiya & Shibagaki, 2007;Sampe & Xie, 2010;Xu et al, 2018;Zhang et al, 2008;Zheng et al, 2008). Diurnal variation is influenced by atmospheric heat and dynamic processes on the water cycle and is an important aspect of precipitation research (Yu & Li, 2016).…”

Section: Introductionmentioning

confidence: 99%

Diurnal Variation of Meiyu Rainfall in the Yangtze Plain During Atypical Meiyu Years

et al. 2020

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The diurnal variation of precipitation reflects the influence of atmospheric heat and dynamic processes on the water cycle. Using multiple data sets, we carried out case studies and statistical analysis of the diurnal variation in Meiyu rainfall in atypical Meiyu years. Our results show that the morning precipitation was induced by strong southwesterly moisture transport and was mainly composed of stratiform pixels, whereas the precipitation occurring in the afternoon was mainly composed of convective pixels affected by updrafts. The diurnal variation in precipitation in the atypical Meiyu years appeared as a bimodal structure with peaks in early morning (06:30 LST) and afternoon (16:00 LST), which was different from the single morning peak (09:30 LST) in the normal Meiyu years and reported previously. Further research indicated that the morning peak is related to the low-level water vapor flux, whereas the afternoon peak is related to the local solar heating. In addition, the water vapor flux in the Yangtze Plain was characterized by strong morning and weak afternoon fluxes during both normal and atypical Meiyu periods. The diurnal variation in the low-level water vapor flux is thought to be influenced by the intensity of, and distance from, the subtropical high.

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Multi-scale temporospatial variability of the East Asian Meiyu-Baiu fronts: characterization with a suite of new objective indices

Deng

Yang

et al. 2017

Clim Dyn

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Influence of Kuroshio SST front in the East China Sea on the climatological evolution of Meiyu rainband

Cited by 20 publications

References 68 publications

Influence of the Kuroshio Interannual Variability on the Summertime Precipitation over the East China Sea and Adjacent Area

Influence of the Kuroshio Interannual Variability on the Summertime Precipitation over the East China Sea and Adjacent Area

Diurnal Variation of Meiyu Rainfall in the Yangtze Plain During Atypical Meiyu Years

Multi-scale temporospatial variability of the East Asian Meiyu-Baiu fronts: characterization with a suite of new objective indices

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