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Climate Dynamics

, Volume 53, Issue 3–4, pp 1597–1612 | Cite as

Contrasting changes in the sea surface temperature and upper ocean heat content in the South China Sea during recent decades

  • Fuan Xiao
  • Dongxiao Wang
  • Lili ZengEmail author
  • Qin-Yan Liu
  • Wen Zhou
Article

Abstract

Understanding the variability of upper ocean thermal conditions is key to regional climate prediction. In recent decades, the sea surface temperature and upper ocean heat content in the South China Sea (SCS SST and SCS OHC) have exhibited contrasting changes. In-situ observations and reanalysis data reveal a linear warming trend in SCS SST during 1975–2010 but a regime shift of SCS OHC during the late 1990s. Mixed layer heat budget analysis shows that the decreasing latent heat flux associated with a weakening surface wind contributes to SCS SST warming trend. The increasing SCS SST reflects a regional footprint of global warming. A simplified upper layer budget diagnosis reveals that more than half of OHC change results from the advection effect, which is caused by an anomalous SCS anticyclonic gyre associated with an anomalous negative wind stress curl. Then, the anomalous anticyclonic circulation deepens thermocline depth at the basin-scale, and result in the regime shift of SCS OHC. Changes in the ocean circulation are found to be related to the enhanced trade wind and a Matsuno-Gill response to cooling in the tropical central Pacific. Further analyses show that the regime shift process is attributed to a phase transition of the Interdecadal Pacific Oscillation (IPO) from positive to negative. Our results indicate that although the IPO is the sea surface low-frequency climate pattern, it could impact on the subsurface thermal variability in the SCS through the oceanic process.

Keywords

Sea surface temperature Upper ocean heat content South China Sea Regime shift Interdecadal Pacific Oscillation 

Notes

Acknowledgements

We thank two anonymous reviewers for their constructive comments. We thank Dr. Lijing Cheng (Institute of Atmospheric Physics, Chinese Academy of Sciences) and Dr. Wei Feng (Institute of Geodesy and Geophysics, Chinese Academy of Sciences) for their constructive suggestions. Numerous freely available data sets were used: SODA (http://sodaserver.tamu.edu/assim/); HadISST (https://www.metoffice.gov.uk/hadobs/hadisst/); AVISO (https://www.aviso.altimetry.fr/en/data.html); IPO index (https://www.esrl.noaa.gov/psd/data/timeseries/IPOTPI/). This work was supported by the National Natural Science Foundation of China under contract Nos. 41806027, 41776025, 41576012, 41606030, and the CAS/SAFEA International Partnership Program for Creative Research Teams.

References

  1. Arblaster JM, Meehl GA, Moore AM (2002) Interdecadal modulation of Australian rainfall. Clim Dyn 18(6):519–531CrossRefGoogle Scholar
  2. Bao B, Ren G (2014) Climatological characteristics and long-term change of SST over the marginal seas of China. Cont Shelf Res 77:96–106CrossRefGoogle Scholar
  3. Bayler EJ, Liu Z (2008) Basin-scale wind-forced dynamics of the seasonal southern South China Sea gyre. J Geophys Res 113:C07014.  https://doi.org/10.1029/2007JC004519 CrossRefGoogle Scholar
  4. Bjerknes J (1964) Atlantic air–sea interactions. Adv Geophys 10:1–82CrossRefGoogle Scholar
  5. Carton JA, Giese BS (2008) A reanalysis of ocean climate using simple ocean data assimilation (SODA). Mon Weather Rev 136:2999–3017CrossRefGoogle Scholar
  6. Cheng X, Xie SP, Du Y, Wang J, Chen X, Wang J (2016) Interannual-to-decadal variability and trends of sea level in the South China Sea. Clim Dyn 46(9–10):3113–3126CrossRefGoogle Scholar
  7. Chiang T, Hsin Y, Wu C (2018) Multidecadal changes of Upper-Ocean thermal conditions in the tropical northwest Pacific Ocean versus South China Sea during 1960–2015. J Clim.  https://doi.org/10.1175/JCLI-D-17-0394.1 (in press) Google Scholar
  8. Compo G et al (2008) The 20th century reanalysis project. In: Third WCRP International conference on reanalysisGoogle Scholar
  9. Compo G et al (2011) The twentieth century reanalysis project. Q J R Meteorol Soc 137:1–28CrossRefGoogle Scholar
  10. Dai A (2013) The influence of the inter-decadal Pacific oscillation on US precipitation during 1923–2010. Clim Dyn 41(3–4):633–646CrossRefGoogle Scholar
  11. Ding Y, Li C (1999) Onset and evolution of the South China Sea monsoon and its interaction with the ocean. China meteorological Press, Beijing (In Chinese)Google Scholar
  12. Ducet N, Le Traon PY, Reverdin G (2000) Global high-resolution mapping of ocean circulation from TOPEX/Poseidon and ERS-1 and-2. J Geophys Res 105(C8):19477.  https://doi.org/10.1029/2000JC900063 CrossRefGoogle Scholar
  13. Eden C, Jung T (2001) North Atlantic interdecadal variability: Oceanic response to the North Atlantic Oscillation (1865–1997). J Clim 14:676–691CrossRefGoogle Scholar
  14. England MH, McGregor S, Spence P, Meehl GA, Timmermann A, Cai W, Gupta AS, McPhaden MJ, Purich A, Santoso A (2014) Recent intensification of wind-driven circulation in the Pacific and the ongoing warming hiatus. Nat Clim Change 4:222–227CrossRefGoogle Scholar
  15. Fang G, Wei Z, Choi BH, Wang K, Fang Y, Li W (2003) Interbasin freshwater, heat and salt transport through the boundaries of the East and South China Seas from a variable-grid global ocean circulation model. Sci China Ser D 46(2):149–161CrossRefGoogle Scholar
  16. Fang G, Wang Y, Wei Z, Fang Y, Qiao F, Hu X (2009) Interocean circulation and heat and freshwater budgets of the South China Sea based on a numerical model. Dyn Atmos Oceans 47(1–3):55–72CrossRefGoogle Scholar
  17. Fasullo JT, Gent PR (2017) On the relationship between regional ocean heat content and sea surface height. J Clim 30:9195–9211CrossRefGoogle Scholar
  18. Feng J, Hu D (2014) How much does heat content of the western tropical Pacific Ocean modulate the South China Sea summer monsoon onset in the last four decades? J Geophys Res Oceans 119(7):4029–4044CrossRefGoogle Scholar
  19. Folland CK, Salinger MJ (1995) Surface temperature trends and variations in New Zealand and the surrounding ocean, 1871–1993. Int J Climatol 15(11):1195–1218CrossRefGoogle Scholar
  20. Folland CK, Renwick JA, Salinger MJ, Mullan AB (2002) Relative influences of the Interdecadal Pacific Oscillation and ENSO on the South Pacific Convergence Zone. Geophys Res Lett 29(13),  https://doi.org/10.1029/2001GL014201
  21. Gill AE (1980) Some simple solutions for heat-induced tropical circulation. Q J R Meteorol Soc 106:447–462CrossRefGoogle Scholar
  22. He Y, Guan C, Gan Z (1997) Interannual and interdecadal variations in heat content of the upper ocean of the South China Sea. Adv Atmos Sci 14:271–276CrossRefGoogle Scholar
  23. Henley BJ, Gergis J, Karoly DJ, Power S, Kennedy J, Folland CK (2015) A tripole index for the interdecadal Pacific oscillation. Clim Dyn 45:3077–3090CrossRefGoogle Scholar
  24. Huang P, Lin II, Chou C, Huang R (2015) Change in ocean subsurface environment to suppress tropical cyclone intensification under global warming. Nat Commun 6:7188CrossRefGoogle Scholar
  25. Ishii M, Kimoto M (2009) Reevaluation of historical ocean heat content variations with time-varying XBT and MBT depth bias corrections. J Oceanogr 65:287–299CrossRefGoogle Scholar
  26. Ishii M, Kimoto M, Sakamoto K, Iwasaka SI (2006) Steric sea level changes estimated from historical ocean subsurface temperature and salinity analyses. J Oceanogr 62:155–170CrossRefGoogle Scholar
  27. Klein SA, Soden BJ, Lau NC (1999) Remote sea surface temperature variations during ENSO: evidence for a tropical atmospheric bridge. J Clim 12:917–932CrossRefGoogle Scholar
  28. Li L, Wu R, Li Y, Gan Z (1999) A preliminary analysis of shallow water tidal aliasing in TOPEX/POSEIDON altimetric data. Acta Oceanol Sinica 21(3):7–14 (in Chinese with English abstract) Google Scholar
  29. Li T, Zhang Y, Lu E, Wang D (2002) Relative role of dynamic and thermodynamic processes in the development of the Indian Ocean dipole: an OGCM diagnosis. Geophys Res Lett 29(23):2110.  https://doi.org/10.1029/2002GL015789 CrossRefGoogle Scholar
  30. Liu Q, Yang H, Liu Z (2001a) Seasonal features of the Sverdrup circulation in the South China Sea. Prog Nat Sci 11(3):202–206Google Scholar
  31. Liu Z, Yang H, Liu Q (2001b) Regional dynamics of seasonal variability in the South China Sea. J Phys Oceanogr 31:272–284CrossRefGoogle Scholar
  32. Liu Q, Jiang X, Xie SP, Liu WT (2004) A gap in the Indo-Pacific warm pool over the South China Sea in boreal winter: seasonal development and interannual variability. J Geophys Res 109:C07012.  https://doi.org/10.1029/2003JC002179 Google Scholar
  33. Liu QY, Huang R. Wang D (2012) Implication of the South China Sea throughflow for the interannual variability of the regional upper-ocean heat content. Adv Atmos Sci 29:54–62CrossRefGoogle Scholar
  34. Liu QY, Wang D. Wang X, Shu Y, Xie Q, Chen J (2014) Thermal variations in the South China Sea associated with eastern and central Pacific El Niño and their mechanisms. J Geophys Res 119:8955–8972CrossRefGoogle Scholar
  35. Matsuno T (1966) Quasi-geostrophic motions in the equatorial area. J Meteor Soc Japan 44:25–43CrossRefGoogle Scholar
  36. Meehl GA, Hu A (2006) Megadroughts in the Indian monsoon region and southwest North America and a mechanism for associated multidecadal Pacific sea surface temperature anomalies. J Clim 19:1605–1623CrossRefGoogle Scholar
  37. North GR, Bell TL, Chalan RF (1982) Sampling errors in the estimation of empirical orthogonal functions. Mon Wea Rev 110:699–706CrossRefGoogle Scholar
  38. Power S, Casey T, Folland C, Colman A, Mehta V (1999) Inter–decadal modulation of the impact of ENSO on Australia. Clim Dyn 15(5):319–324CrossRefGoogle Scholar
  39. Price JF (1981) Upper ocean response to a hurricane. J Phys Oceanogr 11(2):153–175CrossRefGoogle Scholar
  40. Pun IF, Lin II, Wu CR, Ko DS, Liu WT (2007) Validation and application of altimetry-derived upper ocean thermal structure in the western North Pacific Ocean for typhoon-intensity forecast. IEEE T Geosci Remote 45(6):1616–1630CrossRefGoogle Scholar
  41. Qiu B (2000) Interannual variability of the Kuroshio extension system and its impact on the wintertime SST field. J Phys Oceanogr 30:1486–1502CrossRefGoogle Scholar
  42. Qu T (2000) Upper-layer circulation in the South China Sea. J Phys Oceanogr 30:1450–1460CrossRefGoogle Scholar
  43. Qu T, Kim YY, Yaremchuk M, Tozuka T, Ishida A, Yamagata T (2004) Can Luzon Strait transport play a role in conveying the impact of ENSO to the South China Sea? J Clim 17:3644–3657CrossRefGoogle Scholar
  44. Qu T, Du Y, Sasaki H (2006) South China Sea throughflow: a heat and freshwater conveyor. Geophys Res Lett 33:L23617.  https://doi.org/10.1029/2006GL028350 CrossRefGoogle Scholar
  45. Rayner NA, Parker DE, Horton EB, Folland CK, Alexander LV, Rowell DP, Kent EC, Kaplan A (2003) Global analyses of sea surface temperature, sea ice, and night marine air temperature since the late nineteenth century. J Geophys Res 108(D14):4407CrossRefGoogle Scholar
  46. Rodionov SN (2004) A sequential algorithm for testing climate regime shifts. Geophys Res Lett 31:L09204.  https://doi.org/10.1029/2004GL019448 CrossRefGoogle Scholar
  47. Rong Z, Liu Y, Zong H, Cheung Y (2007) Interannual sea level variability in the South China Sea and its response to ENSO. Glob Planet Change 55:257–272CrossRefGoogle Scholar
  48. Salinger MJ, Mullan AB (1999) New Zealand climate: temperature and precipitation variations and their links with atmospheric circulation 1930–1994. Int J Climatol 19(10):1049–1071CrossRefGoogle Scholar
  49. Song W, Lan J, Liu Q, Sui D, Zeng L, Wang D (2014) Decadal variability of heat content in the South China Sea inferred from observation data and an ocean data assimilation product. Ocean Sci 10:135–139.  https://doi.org/10.5194/os-10-135-2014 CrossRefGoogle Scholar
  50. Thompson B, Tkalich P, Rizzoli PM (2017) Regime shift of the South China sea SST in the late 1990s. Clim Dyn 48(5–6):1873–1882CrossRefGoogle Scholar
  51. Tozuka T, Qu T, Masumoto Y, Yamagata T (2009) Impacts of the South China Sea throughflow on seasonal and interannual variations of the Indonesian throughflow. Dyn Atmos Oceans 47:73–85CrossRefGoogle Scholar
  52. Wang H (2001) The weakening of the Asian monsoon circulation after the end of 1970’s. Adv Atmos Sci 18(3):376–386CrossRefGoogle Scholar
  53. Wang B, LinHo (2002) Rainy season of the Asian–Pacific summer monsoon. J Clim 15:386–398CrossRefGoogle Scholar
  54. Wang B, Wu R, Fu X (2000) Pacific–East Asian teleconnection: how does ENSO affect East Asian climate? J Clim 13:1517–1536CrossRefGoogle Scholar
  55. Wang D, Xie Q, Du Y, Wang W, Chen J (2002) The 1997–1998 warm event in the South China Sea. Chin Sci Bull 47:1221–1227Google Scholar
  56. Wang D, Liu Q, Huang R, Du Y, Qu T (2006a) Interannual variability of the South China Sea throughflow inferred from wind data and an ocean data assimilation product. Geophys Res Lett 33:L14605.  https://doi.org/10.1029/2006GL026316 CrossRefGoogle Scholar
  57. Wang G, Chen D, Su J (2006b) Generation and life cycle of the dipole in the South China Sea summer circulation. J Geophys Res 111:C06002.  https://doi.org/10.1029/2005JC003314 Google Scholar
  58. Wang L, Huang R, Gu L, Chen W, Kang L (2009) Interdecadal variations of the East Asian Winter monsoon and their association with quasi-stationary planetary wave activity. J Clim 22:4860–4872CrossRefGoogle Scholar
  59. Wu L, Cai W, Zhang L, Nakamura H, Timmermann A, Joyce T, McPhaden MJ, Alexander M, Qiu B, Visbeck M, Chang P, Giese B (2012) Enhanced warming over the global subtropical western boundary currents. Nat Clim Change 2:161–166CrossRefGoogle Scholar
  60. Xiao F, Zeng L, Liu QY, Zhou W, Wang D (2018) Extreme subsurface warm events in the South China Sea during 1998/99 and 2006/07: observations and mechanisms. Clim Dyn 50(1–2):115–128.  https://doi.org/10.1007/s00382-017-3588-y CrossRefGoogle Scholar
  61. Xie SP, Xie Q, Wang D, Liu WT (2003) Summer upwelling in the South China Sea and its role in regional climate variations. J Geophys Res 108:C8, 3261.  https://doi.org/10.1029/2003JC001867 CrossRefGoogle Scholar
  62. Xu F, Oey L (2015) Seasonal SSH variability of the northern South China Sea. J Phys Oceanogr 45:1595–1609CrossRefGoogle Scholar
  63. Yan Y, Qi Y, Zhou W (2010) Interannual heat content variability in the South China Sea and its response to ENSO. Dyn Atmos Ocean 50:400–414CrossRefGoogle Scholar
  64. Yu K, Qu T (2013) Imprint of the Pacific decadal oscillation on the South China sea throughflow variability. J Clim 26:9797–9805CrossRefGoogle Scholar
  65. Yu R, Wang B, Zhou T (2004) Tropospheric cooling and summer monsoon weakening trend over East Asia. Geophys Res Lett 31:L22212.  https://doi.org/10.1029/2004GL021270 Google Scholar
  66. Yu M, Li J, Zheng F, Wang X, Zheng J (2018) Simulating the IPOD, East Asian summer monsoon, and their relationships in CMIP5. Theor Appl Clim.  https://doi.org/10.1007/s00704-018-2442-4 Google Scholar
  67. Zeng L, Wang D (2016) Seasonal variations in the barrier layer in the South China Sea: characteristics, mechanisms and impact of warming. Clim Dyn 48(5–6):1911–1930Google Scholar
  68. Zeng L, Wang D, Chen J, Wang W, Chen R (2016a) SCSPOD14, a South China Sea physical oceanographic dataset derived from in situ measurements during 1919–2014. Sci Data 3:160029CrossRefGoogle Scholar
  69. Zeng L, Wang D, Xiu P, Shu Y, Wang Q, Chen J (2016b) Decadal variation and trends in subsurface salinity from 1960 to 2012 in the northern South China Sea. Geophys Res Lett 43:12181–12189CrossRefGoogle Scholar
  70. Zhai XM, Sheldon L (2012) On the North Atlantic Ocean heat content change between 1955–70 and 1980–95. J Clim 25:3619–3628CrossRefGoogle Scholar
  71. Zhang L, Wu L, Lin X, Wu D (2010) Modes and mechanisms of sea surface temperature low-frequency variations over the coastal China seas. J Geophys Res 115:C08031.  https://doi.org/10.1029/2009JC006025 CrossRefGoogle Scholar
  72. Zhu J, Liao H, Li J (2012) Increases in aerosol concentrations over eastern China due to the decadal-scale weakening of the East Asian summer monsoon. Geophys Res Lett 39:L09809.  https://doi.org/10.1029/2012GL051428 CrossRefGoogle Scholar

Copyright information

© Springer-Verlag GmbH Germany, part of Springer Nature 2019

Authors and Affiliations

  1. 1.School of Geographical SciencesGuangzhou UniversityGuangzhouChina
  2. 2.State Key Laboratory of Tropical Oceanography, South China Sea Institute of OceanologyChinese Academy of SciencesGuangzhouChina
  3. 3.Guy Carpenter Asia-Pacific Climate Impact Centre, School of Energy and EnvironmentCity University of Hong KongKowloonChina

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