Effects of climate change on the heating indices in central heating zone of China

Yuehao, Chen; Guo, Jun; Yuan, Shanshan; Hu, Chumei

doi:10.1016/j.buildenv.2021.107743

Cited by 9 publications

(2 citation statements)

References 38 publications

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“…The winter heating region of China comprises 15 main provinces, typically referred to as being north of the Qinling-Huaihe Line, where low temperatures are most severe (figure 1). Heating demand is directly influenced by near-surface temperatures, which are sensitive to climate change (Chen et al 2021). Previous studies have explored historical and future variations in heating indices, including the Heating Degree Day, the length of heating period (heating length (HL)), the start date for central heating (heating start (HS)), and the end date for central heating (heating end (HE)).…”

Section: Introductionmentioning

confidence: 99%

Air pollution mitigation in North China through flexible heating policies

Hao

Liao

et al. 2023

Environ. Res. Lett.

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Central heating in North China produces severe air pollution, although the need for heating may be reduced by rising temperatures associated with climate change. The regional trend of mean heating length (HL) for North China was −0.32 days per year during 1961–2019. Compared with the 2010–2015 mean values , the start and end dates for central heating in the North China Plain (NCP) during 2050–2055 will delayed by 9 days and advanced by 12 days, respectively, under the Shared Socioeconomic Pathway 5–8.5 (SSP5-85), and by 5 and 8 days under the carbon-neutral (CN) scenario, based on Coupled Model Intercomparison Project phase 6 model simulations. Here we propose a flexible heating policy (FHP), such that HL is determined strictly by temperature, and the associated air pollution benefit of shortening HL are examined by a global 3-D chemical transport model GEOS-Chem. The study focused on the year 2019 with the current goal of elimination of severe PM2.5 pollution, and with the minimum HL estimated to provide up to a 24% reduction in severe PM2.5 pollution (daily mean PM2.5 > 150 μg m−3) over the NCP during periods of FHP implementation. For future CN policies, the NCP can achieve great air quality improvements by 2050, with more than 60% of days throughout the heating season with daily PM2.5 concentrations of <10 μg m−3, and 95% with <35 μg m−3. Although the SSP5-85 scenario may lead to reduced HLs, pollutant emissions are likely much higher than under CN scenarios, with pollution days of PM2.5 >100 μg m−3 still occurring frequently by 2050. Our results highlight that FHPs may effectively reduce severe PM2.5 pollution, and China’s carbon neutrality goals will play critical roles in mitigating air pollution and prolonged heating welfare during future heating season.

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Section: Introductionmentioning

confidence: 99%

Air pollution mitigation in North China through flexible heating policies

Hao

Liao

et al. 2023

Environ. Res. Lett.

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“…The education sector is responsible for 13.74 % of total UK energy consumption [3]. Energy demand for heating is higher in colder climates such as the UK, making it a necessary focal point, but different climates will benefit from a heating and cooling system differently [4].…”

Section: Introductionmentioning

confidence: 99%