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Modification of the boundary layer scheme in complex terrain and evaluation of ozone simulation
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Cai-gui LUO1, 2, Jin FAN1, 2, 3, *, Meng-xuan LIU1, 2, Ting-yu YAN4, You-qi SU1, 2, Mao-shan LI1, 2, Xiao-ling ZHANG1, 2
China Environmental Science | 2025, 45(10) : 5357 - 5366
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China Environmental Science | 2025, 45(10): 5357-5366
• Air Pollution Control •
Modification of the boundary layer scheme in complex terrain and evaluation of ozone simulation
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Cai-gui LUO1, 2, Jin FAN1, 2, 3, *, Meng-xuan LIU1, 2, Ting-yu YAN4, You-qi SU1, 2, Mao-shan LI1, 2, Xiao-ling ZHANG1, 2
Affiliations
  • 1.School of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, China
  • 2.Chengdu Plain Urban Meteorology and Environment Observation and Research Station of Sichuan Province, Chengdu 610225, China
  • 3.Yunnan R&D Institute of Natural Disaster on Chengdu University of Information Technology, Kunming 650000, China
  • 4.College of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
Published: 2025-10-20
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The complex topographical conditions from the eastern Tibetan Plateau to the Chengdu Plain pose significant challenges for traditional boundary layer parameterization schemes, which in turn affects the accuracy of regional air quality models. To better understand these challenges, boundary layer turbulence flux observations were conducted in mountainous regions with substantial elevation variations. Based on these observations, a first-order nonlocal boundary layer scheme was refined for better applicability to local conditions, and its impact on ozone (O3) simulations was assessed. The results show that the modified scheme improved WRF-Chem's simulation of O3 advection and chemical processes, reducing the surface O3 concentration bias from -5.14 ×10-9 to-2.32×10-9, demonstrating improved model performance. Moreover, differences in O3 advection and vertical mixing highlighted distinct transport mechanisms between the mountainous region and the adjacent plains, emphasizing the influence of complex terrain on regional air quality.

Yonsei University Scheme (YSU)  /  ozone  /  WRF-Chem  /  Kzmin
罗才桂, 樊晋, 刘梦璇, 颜廷昱, 苏有琦, 李茂善, 张小玲. 大落差山地边界层方案的订正及臭氧模拟. 中国环境科学, 2025 , 45 (10) : 5357 -5366 .
Cai-gui LUO, Jin FAN, Meng-xuan LIU, Ting-yu YAN, You-qi SU, Mao-shan LI, Xiao-ling ZHANG. Modification of the boundary layer scheme in complex terrain and evaluation of ozone simulation[J]. China Environmental Science, 2025 , 45 (10) : 5357 -5366 .
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Year 2025 volume 45 Issue 10
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  • Receive Date：2025-02-25
  • Online Date：2026-10-08
  • Published：2025-10-20
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  • Received：2025-02-25
Funding
Affiliations
    1.School of Atmospheric Sciences, Chengdu University of Information Technology, Chengdu 610225, China
    2.Chengdu Plain Urban Meteorology and Environment Observation and Research Station of Sichuan Province, Chengdu 610225, China
    3.Yunnan R&D Institute of Natural Disaster on Chengdu University of Information Technology, Kunming 650000, China
    4.College of Electronic Engineering, Chengdu University of Information Technology, Chengdu 610225, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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