Local climate impact of central heating in the winter based on the WRF-LUCY model

doi:10.16511/j.cnki.qhdxxb.2019.22.040

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Abstract Rapid urbanization affects land and atmospheric processes through changes in the underlying surface conditions. At the same time, high-density, high-intensity human activities in urban areas result in large amounts of anthropogenic heat (AH) emissions which impact the local urban climate. Thus, research on the impact of anthropogenic heat on the local urban climate is important for exploring urban land-atmosphere interactions. This study couples weather research and forecasting model (WRF) with the heating results calculated by the large scale urban consumption of energy (LUCY) model. This study analyzes how the high spatial and temporal resolution of the anthropogenic heat emission model used in the WRF model affects the simulation results. The Beijing winter central heating system is used as an example to study the impact of a large anthropogenic heat release on the local climate. The results show that the WRF-LUCY model gives reasonable predictions of the meteorological elements and the urban-rural circulation, that the anthropogenic heat released by the heating causes the air temperature to rapidly increase, and that the temperature rise is greater at night than during the day. This study provides a reliable tool for urban local climate simulations and a scientific basis for urban energy planning and environmental improvement.

Keywords urban local climate winter central heating anthropogenic heat

Issue Date: 15 January 2020

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	HUANG Bei
	NI Guangheng

Cite this article:

HUANG Bei,NI Guangheng. Local climate impact of central heating in the winter based on the WRF-LUCY model[J]. Journal of Tsinghua University(Science and Technology), 2020, 60(2): 162-170.

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http://jst.tsinghuajournals.com/EN/10.16511/j.cnki.qhdxxb.2019.22.040 OR http://jst.tsinghuajournals.com/EN/Y2020/V60/I2/162

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