THE EFFECTS OF TOPOGRAPHY ON THE SUMMER ATMOS-PHERIC ENERGETICS OF THE NORTHERN HEMISPHERE IN A LOW-RESOLUTION GLOBAL SPECTRAL MODEL

Ni Yunqi; Bette L. Otto-Bliesner; David D. Houghton

doi:10.1007/BF02656780

Impact Factor: 5.8

Volume 5 Issue 2

Apr. 1988

Article Contents

Article > ADVANCES IN ATMOSPHERIC SCIENCES > 1988 > 5(2): 181-194

THE EFFECTS OF TOPOGRAPHY ON THE SUMMER ATMOS-PHERIC ENERGETICS OF THE NORTHERN HEMISPHERE IN A LOW-RESOLUTION GLOBAL SPECTRAL MODEL

1.
Department of Atmospheric Sciences，Nanjing University, Nanjing,Department of Meteorology, University of Wisconsin, Madison, WI 53706, U.S.A.,Department of Meteorology, University of Wisconsin, Madison, WI 53706, U.S.A.

doi: 10.1007/BF02656780

Abstract
References
Related papers
PDF

Abstract:
An analysis is made of the effects of topography on the summer atmospheric energetics of the Northern Hemisphere in a low-resolution global spectral model. The numerical model is a global, spectral, primitive equation model with five equally spaced sigma levels in the vertical and triangular truncation at wavenumber 10 in the horizontal. The model includes comparatively full physical processes.Each term of the energy budget equations is calculated in four specific latitudinal belts (81.11°S-11.53°S; 11.53°S-11.53°N; 11.53°N-46.24°N; 46.24°N-81.11°N) from a five-year simulation with mountains and a one-year simulation without mountains, respectively. Differences between them are compared and statistically tested. The results show that synoptical scale waves transport available potential energy and kinetic energy to long waves and increase conversion from available potential energy of the zonal flow to eddy’s and from the eddy kinetic energy to the zonal kinetic energy in region 3 (11.53°N-46.24°N) due to mountains; topography intensifies the atmospheric baroclinity in region 3, consequently the baroclinic conversion of atmosphere energy is increased. The seasonal characteristics associated with the summer atmospheric energy source in region 3 are caused by seasonal variation of the solar radiation and the land-ocean contrasts and independent of topographic effects. The mechanism of topographic effects on the increase of long wave kinetic energy is also discussed.
References

[1]	Qian Yongfu, 1987: RECURRENCE METHOD FOR CALCULATION OF ATMOS-PHERIC COOLING RATE DUE TO INFRARED RADIATION, ADVANCES IN ATMOSPHERIC SCIENCES, 4, 403-413. doi: 10.1007/BF02656741
[2]	Ni Yunqi, Bette L. Otto-Bliesner, David D. Houghton, 1987: THE SENSITIVITY OF NUMERICAL SIMULATION TO OROGRAPHY SPECIFICATION IN THE LOW RESOLUTION SPECTRAL MODEL－PART I: THE EFFECTS OF OROGRAPHY ON THE ATMOSPHERIC GENERAL CIRCULATION, ADVANCES IN ATMOSPHERIC SCIENCES, 4, 1-12. doi: 10.1007/BF02663607
[3]	Ni Yunqi, Zhang Qin, Lin Wuyin, 1991: Seasonal Characteristics and Interannual Variability of Monthly Scale Low-Frequency Oscillation in a Low-Order Global Spectral Model, ADVANCES IN ATMOSPHERIC SCIENCES, 8, 307-316. doi: 10.1007/BF02919613
[4]	FU Weiwei, ZHU Jiang, ZHOU Guangqing, WANG Huijun, 2005: A Comparison Study of Tropical Pacific Ocean State Estimation: Low-Resolution Assimilation vs. High-Resolution Simulation, ADVANCES IN ATMOSPHERIC SCIENCES, 22, 212-219. doi: 10.1007/BF02918510
[5]	ZHAO Bin, ZHONG Qing, 2010: The Development of a Nonhydrostatic Global Spectral Model, ADVANCES IN ATMOSPHERIC SCIENCES, 27, 676-684. doi: 10.1007/s00376-009-9080-9
[6]	Xinghai ZHANG, Yihong DUAN, Yuqing WANG, Na WEI, Hao HU, 2017: A High-resolution Simulation of Supertyphoon Rammasun (2014) —— Part I: Model Verification and Surface Energetics Analysis, ADVANCES IN ATMOSPHERIC SCIENCES, 34, 757-770. doi: 10.1007/s00376-017-6255-7
[7]	Zhang Daomin, Li Jinlong, Ji Liren, Huang Boyin, Wu Wanli, Chen Jiabin, Song Zhengshan, 1995: A Global Spectral Model and Test of Its Performance, ADVANCES IN ATMOSPHERIC SCIENCES, 12, 67-78. doi: 10.1007/BF02661288
[8]	YUAN Wei, SUN Jianqi, 2009: Enhancement of the Summer North Atlantic Oscillation Influence on Northern Hemisphere Air Temperature, ADVANCES IN ATMOSPHERIC SCIENCES, 26, 1209-1214. doi: 10.1007/s00376-009-8148-x
[9]	Huang Ronghui, 1984: THE CHARACTERISTICS OF THE FORCED STATIONARY PLANETARY WAVE PROPAGATIONS IN SUMMER NORTHERN HEMISPHERE, ADVANCES IN ATMOSPHERIC SCIENCES, 1, 84-104. doi: 10.1007/BF03187619
[10]	Zhu Baozhen, Chen Jiabin, Zhang Daomin, Li Zechun, Ge Aifen, 1984: AN OPERATIONAL 5-LAYER PRIMITIVE EQUATION MODEL FOR NORTHERN HEMISPHERE PREDICTION, ADVANCES IN ATMOSPHERIC SCIENCES, 1, 214-233. doi: 10.1007/BF02678134
[11]	WANG Panxing, Julian X. L. WANG, ZHI Hai, WANG Yukun, SUN Xiaojuan, 2012: Circulation Indices of the Aleutian Low Pressure System: Definitions and Relationships to Climate Anomalies in the Northern Hemisphere, ADVANCES IN ATMOSPHERIC SCIENCES, 29, 1111-1118. doi: 10.1007/s00376-012-1196-7
[12]	Wang Guomin, 1993: One Possible Mechanism for the Principal Mode of Atmospheric Low-Prequency Variability in the Northern Hemisphere Winter, ADVANCES IN ATMOSPHERIC SCIENCES, 10, 54-60. doi: 10.1007/BF02656953
[13]	WEN Xinyu, ZHOU Tianjun, WANG Shaowu, WANG Bin, WAN Hui, LI Jian, 2007: Performance of a Reconfigured Atmospheric General Circulation Model at Low Resolution, ADVANCES IN ATMOSPHERIC SCIENCES, 24, 712-728. doi: 10.1007/s00376-007-0712-7
[14]	Huan MEI, Faming WANG, Zhong ZENG, Zhouhua QIU, Linmao YIN, Liang LI, 2016: A Global Spectral Element Model for Poisson Equations and Advective Flow over a Sphere, ADVANCES IN ATMOSPHERIC SCIENCES, 33, 377-390. doi: 10.1007/s00376-015-5001-2
[15]	Sheng Hua, William Bourke, Terry Hart, 1992: An Impact of Hydrostatic Extraction Scheme on BMRC’s Global Spectral Model, ADVANCES IN ATMOSPHERIC SCIENCES, 9, 269-278. doi: 10.1007/BF02656937
[16]	Chen Jiabin, Ji Liren, Wu Wanli, 1987: DESIGN AND TEST OF AN IMPROVED SCHEME FOR GLOBAL SPECTRAL MODEL WITH REDUCED TRUNCATION ERROR, ADVANCES IN ATMOSPHERIC SCIENCES, 4, 156-168. doi: 10.1007/BF02677062
[17]	HUANG Gang, LIU Yong, HUANG Ronghui, 2011: The Interannual Variability of Summer Rainfall in the Arid and Semiarid Regions of Northern China and Its Association with the Northern Hemisphere Circumglobal Teleconnection, ADVANCES IN ATMOSPHERIC SCIENCES, 28, 257-268. doi: 10.1007/s00376-010-9225-x
[18]	Fu Zuntao, Liu Shikuo, Fu Caixia, 1998: Low-Frequency Waves Forced by Large-scale Topography in the Barotropic Model, ADVANCES IN ATMOSPHERIC SCIENCES, 15, 312-320. doi: 10.1007/s00376-998-0003-y
[19]	Huang Ronghui, Yan Bangliang, 1987: THE PHYSICAL EFFECTS OF TOPOGRAPHY AND HEAT SOURCES ON THE FORMATION AND MAINTENANCE OF THE SUMMER MONSOON OVER ASIA, ADVANCES IN ATMOSPHERIC SCIENCES, 4, 13-23. doi: 10.1007/BF02656658
[20]	Wang Qianqian, Qian Yongfu, 1996: Effects of Land-Sea Distribution, Topography and Diurnal Change on Summer Monsoon Modeling, ADVANCES IN ATMOSPHERIC SCIENCES, 13, 253-259. doi: 10.1007/BF02656867

PDF

Get Citation+

Export:

Article Metrics

Article Views: 1385 Times

PDF downloads: 1068 Times

Cited by: Times

Proportional views

Manuscript History

Manuscript received: 10 April 1988

Manuscript revised: 10 April 1988

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

THE EFFECTS OF TOPOGRAPHY ON THE SUMMER ATMOS-PHERIC ENERGETICS OF THE NORTHERN HEMISPHERE IN A LOW-RESOLUTION GLOBAL SPECTRAL MODEL

1. Department of Atmospheric Sciences，Nanjing University, Nanjing,Department of Meteorology, University of Wisconsin, Madison, WI 53706, U.S.A.,Department of Meteorology, University of Wisconsin, Madison, WI 53706, U.S.A.

Manuscript received: 1988-04-10
Manuscript revised: 1988-04-10

Abstract: An analysis is made of the effects of topography on the summer atmospheric energetics of the Northern Hemisphere in a low-resolution global spectral model. The numerical model is a global, spectral, primitive equation model with five equally spaced sigma levels in the vertical and triangular truncation at wavenumber 10 in the horizontal. The model includes comparatively full physical processes.Each term of the energy budget equations is calculated in four specific latitudinal belts (81.11°S-11.53°S; 11.53°S-11.53°N; 11.53°N-46.24°N; 46.24°N-81.11°N) from a five-year simulation with mountains and a one-year simulation without mountains, respectively. Differences between them are compared and statistically tested. The results show that synoptical scale waves transport available potential energy and kinetic energy to long waves and increase conversion from available potential energy of the zonal flow to eddy’s and from the eddy kinetic energy to the zonal kinetic energy in region 3 (11.53°N-46.24°N) due to mountains; topography intensifies the atmospheric baroclinity in region 3, consequently the baroclinic conversion of atmosphere energy is increased. The seasonal characteristics associated with the summer atmospheric energy source in region 3 are caused by seasonal variation of the solar radiation and the land-ocean contrasts and independent of topographic effects. The mechanism of topographic effects on the increase of long wave kinetic energy is also discussed.