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Effects of Land-Sea Distribution, Topography and Diurnal Change on Summer Monsoon Modeling


doi: 10.1007/BF02656867

  • The effects of the land-sea distribution, the topography and the diurnal change of the solar radiation on the summer monsoon modelings are studied by use of a coupled modeling system with a 5-layer primitive equation mod-el of the atmosphere and a 2-layer soil or ocean thermodynamic model which are all solved in a zonal model domain between 60o S and 60oN. The results of numerical simulations show that the quasi-stationary patterns of the mean monsoon circulations are mainly affected by the land-sea distribution and the topography, the effect of the diurnal change is the secondary. However, the inclusion of the diurnal change into the model system may improve the intensi-ty of the simulated monsoon circulation, it can influence the distributive pattern of precipitation to a larger extent, without the diurnal change precipitation in the interior of land would decrease and in the coastal regions it would increase.
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    [2] LIU Yanju, DING Yihui, 2007: Sensitivity Study of the South China Sea Summer Monsoon in 1998 to Different Cumulus arameterization Schemes, ADVANCES IN ATMOSPHERIC SCIENCES, 24, 360-376.  doi: 10.1007/s00376-007-0360-y
    [3] He PAN, Guixing CHEN, 2019: Diurnal Variations of Precipitation over North China Regulated by the Mountain-plains Solenoid and Boundary-layer Inertial Oscillation, ADVANCES IN ATMOSPHERIC SCIENCES, , 863-884.  doi: 10.1007/s00376-019-8238-3
    [4] Peter C. Chu, C.-P. Chang, 1997: South China Sea Warm Pool in Boreal Spring, ADVANCES IN ATMOSPHERIC SCIENCES, 14, 195-206.  doi: 10.1007/s00376-997-0019-8
    [5] K. C. SZETO, Johnny C. L. CHAN, 2010: Structural Changes of a Tropical Cyclone during Landfall: β-plane Simulations, ADVANCES IN ATMOSPHERIC SCIENCES, 27, 1143-1150.  doi: 10.1007/s00376-009-9136-x
    [6] Chen Wen, Hans-F. Graf, Huang Ronghui, 2000: The Interannual Variability of East Asian Winter Monsoon and Its Relation to the Summer Monsoon, ADVANCES IN ATMOSPHERIC SCIENCES, 17, 48-60.  doi: 10.1007/s00376-000-0042-5
    [7] Qian Yongfu, Wang Qianqian, 1996: Numerical Modelings of the Climatic Effects of the Land-Sea Distribution and Topography, ADVANCES IN ATMOSPHERIC SCIENCES, 13, 383-398.  doi: 10.1007/BF02656855
    [8] Yu Rucong, Zhang Minghua, Yu Yongqiang, Liu Yimin, 2001: Summer Monsoon Rainfalls over Mid-Eastern China Lagged Correlated with Global SSTs, ADVANCES IN ATMOSPHERIC SCIENCES, 18, 179-196.  doi: 10.1007/s00376-001-0012-6
    [9] Swati Basu, K. J. Ramesh, Z. N. Begum, 1999: Medium Range Prediction of Summer Monsoon Activities over India vis-a-vis Their Correspondence with the Observational Features, ADVANCES IN ATMOSPHERIC SCIENCES, 16, 133-146.  doi: 10.1007/s00376-999-0009-0
    [10] DING Yihui, HE Chun, 2006: The Summer Monsoon Onset over the Tropical Eastern Indian Ocean: The Earliest Onset Process of the Asian Summer Monsoon, ADVANCES IN ATMOSPHERIC SCIENCES, 23, 940-950.  doi: 10.1007/s00376-006-0940-2
    [11] ZONG Huijun, WU Liguang, 2015: Re-examination of Tropical Cyclone Formation in Monsoon Troughs over the Western North Pacific, ADVANCES IN ATMOSPHERIC SCIENCES, 32, 924-934.  doi: 10.1007/s00376-014-4115-2
    [12] C. H. So, Johnny C. L. Chan, 1997: Regional and Synoptic-scale Features Associated with Inactive Periods of the Summer Monsoon over South China, ADVANCES IN ATMOSPHERIC SCIENCES, 14, 223-230.  doi: 10.1007/s00376-997-0021-1
    [13] Wei Helin, Wang Wei-Chyung, 1998: A Regional Climate Model Simulation of Summer Monsoon over East Asia: A Case Study of 1991 Flood in Yangtze-Huai River Valley, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 489-509.  doi: 10.1007/s00376-998-0027-3
    [14] SUN Bo, ZHU Yali, WANG Huijun, 2011: The Recent Interdecadal and Interannual Variation of Water Vapor Transport over Eastern China, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 1039-1048.  doi: 10.1007/s00376-010-0093-1
    [15] ZHANG Zhongshi, WANG Huijun, GUO Zhengtang, JIANG Dabang, 2006: Impact of Topography and Land-Sea Distribution on East Asian Paleoenvironmental Patterns, ADVANCES IN ATMOSPHERIC SCIENCES, 23, 258-266.  doi: 10.1007/s00376-006-0258-0
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Manuscript History

Manuscript received: 10 April 1996
Manuscript revised: 10 April 1996
通讯作者: 陈斌, bchen63@163.com
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Effects of Land-Sea Distribution, Topography and Diurnal Change on Summer Monsoon Modeling

  • 1. Nanjing Institute of Meteorology, Nanjing 210044,Department of Atmospheric Sciences, Nanjing University, Nanjing 210008

Abstract: The effects of the land-sea distribution, the topography and the diurnal change of the solar radiation on the summer monsoon modelings are studied by use of a coupled modeling system with a 5-layer primitive equation mod-el of the atmosphere and a 2-layer soil or ocean thermodynamic model which are all solved in a zonal model domain between 60o S and 60oN. The results of numerical simulations show that the quasi-stationary patterns of the mean monsoon circulations are mainly affected by the land-sea distribution and the topography, the effect of the diurnal change is the secondary. However, the inclusion of the diurnal change into the model system may improve the intensi-ty of the simulated monsoon circulation, it can influence the distributive pattern of precipitation to a larger extent, without the diurnal change precipitation in the interior of land would decrease and in the coastal regions it would increase.

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