With reference to katabatic winds , describe how the stability of the atmosphere is affected by other physical factors 以下坡风为例，描述大气的稳定度如何受其他自然因素所影响。
2.
Such results are gotten : due to the unique topography the wind of beijing area during the day time is southern anabatic wind and in the night is northern katabatic wind in summer 研究结果表明: 1北京区域夏季边界层风场受西北特殊地形的影响，夜间低层大气流场常表现为由北向南的下坡风，白天逐渐转为由南往北的上坡风。
3.
The results show that : the surface temperature in the central beijing is 6 - 8 higher than that in the suburbs . due to the unique topography the wind of beijing area during the day time is southern anabatic wind and is northern katabatic wind in the night 模拟结果表明城郊之间存在明显夏季热岛效应，市区和郊区的温差最大可达68边界层风场受西北特殊地形的影响，白天盛行由南往北的上坡风，夜间转为由北向南的下坡风。
