Abstract
The contributions of vertical motion and moisture to the variation in summer precipitation over the middle and lower reaches of the Yangtze River over the period from 1960 to 2012 summers are documented in this study. Based on partial regression analysis, it is noted that both local vertical motion and moisture are significantly related to changes in summer precipitation. The temporal variation of the precipitation is well reproduced by considering both vertical motion and moisture. Furthermore, we separated the changes in summer precipitation into a linear trend and variation (detrended value). It is noted that the linear trend is contributed solely by the trend in vertical motion. Subsequently, we examined the trend in vertical motion with a continuity equation. The result signifies that the trend in vertical motion is caused by a decreasing trend in static stability in the lower troposphere. On the other hand, the variation is controlled by both vertical motion and moisture. The change in vertical motion is forced by the anomalous convergence in the midtroposphere and static stability in the lower troposphere. The change in moisture is contributed by the anomalous convergence of moisture transport. These changes are related to the southwestward extension of the western North Pacific subtropical high.
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Barnes SL (1964) A technique for maximizing details in numerical weather map analysis. J Appl Meteorol 3:396–409. https://doi.org/10.1175/1520-0450(1964)003<0396:ATFMDI>2.0.CO;2
Chang C-P, Zhang Y, Li T (2000a) Interannual and interdecadal variations of the East Asian summer monsoon and tropical Pacific SSTs. Part I: roles of the subtropical ridge. J Clim 13:4310–4325. https://doi.org/10.1175/1520-0442(2000)013<4310:IAIVOT>2.0.CO;2
Chang C-P, Zhang Y, Li T (2000b) Interannual and interdecadal variations of the East Asian summer monsoon and tropical Pacific SSTs. Part II: meridional structure of the monsoon. J Clim 13:4326–4340. https://doi.org/10.1175/1520-0442(2000)013<4326:IAIVOT>2.0.CO;2
Ding Y, Wang Z, Sun Y (2008) Inter-decadal variation of the summer precipitation in East China and its association with decreasing Asian summer monsoon. Part I: observed evidences. Int J Climatol 28:1139–1161. https://doi.org/10.1002/joc.1615
Ding Y, Sun Y, Wang Z et al (2009) Inter-decadal variation of the summer precipitation in China and its association with decreasing Asian summer monsoon Part II: possible causes. Int J Climatol 29:1926–1944. https://doi.org/10.1002/joc.1759
Feng L, Zhou T (2012) Water vapor transport for summer precipitation over the Tibetan Plateau: multidata set analysis. J Geophys Res Atmos. https://doi.org/10.1029/2011JD017012
Gong D-Y, Ho C-H (2002) Shift in the summer rainfall over the Yangtze river valley in the late 1970s. Geophys Res Lett 29:74–78. https://doi.org/10.1029/2001GL014523
Gong D-Y, Ho C-H (2003) Arctic oscillation signals in the East Asian summer monsoon. J Geophys Res Atmos. https://doi.org/10.1029/2002JD002193
Gu W, Li C, Li W et al (2009) Interdecadal unstationary relationship between NAO and east China’s summer precipitation patterns. Geophys Res Lett. https://doi.org/10.1029/2009GL038843
Guo Z, Tianjun Z, Minghuai W, Yun Q (2015) Impact of cloud radiative heating on East Asian summer monsoon circulation. Environ Res Lett 10:74014
Hu Z-Z (1997) Interdecadal variability of summer climate over East Asia and its association with 500 hPa height and global sea surface temperature. J Geophys Res Atmos 102:19403–19412. https://doi.org/10.1029/97JD01052
Hu Z-Z, Yang S, Wu R (2003) Long-term climate variations in China and global warming signals. J Geophys Res Atmos. https://doi.org/10.1029/2003JD003651
Huang G, Yan Z (1999) The East Asian summer monsoon circulation anomaly index and its interannual variations. Chinese Sci Bull 44:1325–1329. https://doi.org/10.1007/BF02885855
Huang P, Xie S-P, Hu K et al (2013) Patterns of the seasonal response of tropical rainfall to global warming. Nat Geosci 6:357
Jin Q, Yang X-Q, Sun X-G, Fang J-B (2013) East Asian summer monsoon circulation structure controlled by feedback of condensational heating. Clim Dyn 41:1885–1897. https://doi.org/10.1007/s00382-012-1620-9
Kalnay E, Kanamitsu M, Kistler R, et al (1996) The NCEP/NCAR 40-year reanalysis project. Bull Am Meteorol Soc 77:437–471. https://doi.org/10.1175/1520-0477(1996)077<0437:TNYRP>2.0.CO;2
Lau K-M, Kim KM, Yang S (2000) Dynamical and boundary forcing characteristics of regional components of the Asian summer monsoon. J Clim 13:2461–2482. https://doi.org/10.1175/1520-0442(2000)013<2461:DABFCO>2.0.CO;2
Leung MYT, Zhou W (2017) Circumglobal teleconnection and eddy control of variation in summer precipitation over Northwest China. Clim Dyn. https://doi.org/10.1007/s00382-017-3958-5
Li RCY, Zhou W (2015) Multiscale control of summertime persistent heavy precipitation events over South China in association with synoptic, intraseasonal, and low-frequency background. Clim Dyn 45:1043–1057. https://doi.org/10.1007/s00382-014-2347-6
Li X, Zhou W (2016) Modulation of the interannual variation of the India-Burma trough on the winter moisture supply over Southwest China. Clim Dyn 46:147–158. https://doi.org/10.1007/s00382-015-2575-4
Li X, Zhou W, Chen D et al (2014) Water vapor transport and moisture budget over Eastern China: remote forcing from the two types of El Niño. J Clim 27:8778–8792. https://doi.org/10.1175/JCLI-D-14-00049.1
Li X, Zhou W, Chen DY (2015) Assessment of regional drought trend and risk over China: a drought climate division perspective. J Clim 28:7025–7037. https://doi.org/10.1175/JCLI-D-14-00403.1
Lin Z, Wang B (2016) Northern East Asian low and its impact on the interannual variation of East Asian summer rainfall. Clim Dyn 46:83–97. https://doi.org/10.1007/s00382-015-2570-9
Peña-Arancibia JL, van Dijk AIJM., Renzullo LJ, Mulligan M (2013) Evaluation of precipitation estimation accuracy in reanalyses, satellite products, and an ensemble method for regions in Australia and South and East Asia. J Hydrometeorol 14:1323–1333. https://doi.org/10.1175/JHM-D-12-0132.1
Rose BEJ, Lin CA (2003) Precipitation from vertical motion: a statistical diagnostic scheme. Int J Climatol 23:903–919. https://doi.org/10.1002/joc.919
Simmonds I, Bi D, Hope P (1999) Atmospheric water vapor flux and its association with rainfall over China in summer. J Clim 12:1353–1367. https://doi.org/10.1175/1520-0442(1999)012<1353:AWVFAI>2.0.CO;2
Wallace JM, Hobbs PV (2006) Atmospheric science: an introductory survey, 2nd edn. Academic Press, New York
Wang L, Chen W, Zhou W, Huang G (2015) Teleconnected influence of tropical Northwest Pacific sea surface temperature on interannual variability of autumn precipitation in Southwest China. Clim Dyn 45:2527–2539. https://doi.org/10.1007/s00382-015-2490-8
Wei J, Dirmeyer PA, Bosilovich MG, Wu R (2012) Water vapor sources for Yangtze River Valley rainfall: Climatology, variability, and implications for rainfall forecasting. J Geophys Res Atmos. https://doi.org/10.1029/2011JD016902
Wei W, Zhang R, Wen M et al (2014) Impact of Indian summer monsoon on the South Asian High and its influence on summer rainfall over China. Clim Dyn 43:1257–1269. https://doi.org/10.1007/s00382-013-1938-y
Wei W, Zhang R, Wen M et al (2015) Interannual variation of the South Asian High and its relation with Indian and East Asian summer monsoon rainfall. J Clim 28:2623–2634. https://doi.org/10.1175/JCLI-D-14-00454.1
Wu R, Kinter JL, Kirtman BP (2005) Discrepancy of interdecadal changes in the Asian region among the NCEP–NCAR reanalysis, objective analyses, and observations. J Clim 18:3048–3067. https://doi.org/10.1175/JCLI3465.1
Xu Z, Fan K, Wang H (2015) Decadal variation of summer precipitation over China and associated atmospheric circulation after the late 1990s. J Clim 28:4086–4106. https://doi.org/10.1175/JCLI-D-14-00464.1
Yu R, Wang B, Zhou T (2004) Tropospheric cooling and summer monsoon weakening trend over East Asia. Geophys Res Lett. https://doi.org/10.1029/2004GL021270
Zhai P, Zhang X, Wan H, Pan X (2005) Trends in total precipitation and frequency of daily precipitation extremes over China. J Clim 18:1096–1108. https://doi.org/10.1175/JCLI-3318.1
Zhang Y, Li T, Wang B (2004) Decadal change of the spring snow depth over the Tibetan Plateau: the associated circulation and influence on the East Asian summer monsoon. J Clim 17:2780–2793. https://doi.org/10.1175/1520-0442(2004)017<2780:DCOTSS>2.0.CO;2
Zhao P, Yang S, Yu R (2010) Long-term changes in rainfall over Eastern China and large-scale atmospheric circulation associated with recent global warming. J Clim 23:1544–1562. https://doi.org/10.1175/2009JCLI2660.1
Zhou T-J, Yu R-C (2005) Atmospheric water vapor transport associated with typical anomalous summer rainfall patterns in China. J Geophys Res Atmos. https://doi.org/10.1029/2004JD005413
Zhou T, Zhang X, S W (1999) The air-sea freshwater exhange derived from NCEP/NCAR reanalysis data. Acta Meteorol Sin 57:264–282
Zhou T, Yu R, Zhang J et al (2009) Why the Western Pacific Subtropical High Has Extended Westward since the Late 1970s. J Clim 22:2199–2215. https://doi.org/10.1175/2008JCLI2527.1
Zhu Y, Wang H, Zhou W, Ma J (2011) Recent changes in the summer precipitation pattern in East China and the background circulation. Clim Dyn 36:1463–1473. https://doi.org/10.1007/s00382-010-0852-9
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This work is supported by National Nature Science foundation of China Grant (41675062), and Research Grants Council of the Hong Kong Special Administrative Region, China (CityU 11305715 and 11335316).
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This paper is a contribution to the special issue on East Asian Climate under Global Warming: Understanding and Projection, consisting of papers from the East Asian Climate (EAC) community and the 13th EAC International Workshop in Beijing, China on 24–25 March 2016, and coordinated by Jianping Li, Huang-Hsiung Hsu, Wei-Chyung Wang, Kyung-Ja Ha, Tim Li, and Akio Kitoh.
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Leung, M.Y.T., Qiu, S. & Zhou, W. Modulations of rising motion and moisture on summer precipitation over the middle and lower reaches of the Yangtze river. Clim Dyn 51, 4259–4269 (2018). https://doi.org/10.1007/s00382-018-4247-7
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DOI: https://doi.org/10.1007/s00382-018-4247-7