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Heat and cold stresses in different climate zones across China: A comparison between the 20th and 21st centuries

机译：中国不同气候区的冷热压力：20世纪与21世纪之间的比较

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摘要

Summer and winter discomfort in terms of heat and cold stresses in the nine major architectural climate zones and sub-zones across China in the 21st century were investigated using predictions from general circulation models for the low and medium emissions scenarios. For the six severe cold and cold climate zones in the north, reductions in cumulative cold stress outweighed the increase in cumulative heat stress resulting in an overall decreasing trend in the annual cumulative stress, and vice versa for the other three warmer climate zones in the south. Compared with the 20th century, significant reduction in the cumulative cold stress was observed across the six zones in severe cold and cold climates, ranging from 15.8 in cold-Ill to 42.3 in severe cold-ll. There were modest increases in the cumulative heat stress from 0.3 in cold-II to 12.3 in cold-Ill. For the warmer climates in the south, reduction in cumulative cold stress ranged from 7.6 in hot summer and warm winter (HSWW) to 10.3 in hot summer and cold winter, while cumulative heat stress increased from 9.9 in the mild zone to 30.6 in HSWW. A reduction in cold stress would result in less winter heating and an increase in heat stress more cooling requirement
机译：使用来自中低排放情景的一般循环模型的预测，研究了21世纪中国九个主要建筑气候区和分区的夏季和冬季不适，包括热和冷压力。对于北部的六个严寒和寒冷气候区，累积冷应力的减少超过了累积热应力的增加，导致年度累积应力的总体下降趋势，而南部的其他三个较暖气候区则相反。与20世纪相比，在严寒和严寒气候下，六个区域的累积冷应力显着降低，范围从冷病的15.8到重病的42.3。累积热应力从冷态II中的0.3适度增加到冷态II中的12.3。对于南部较温暖的气候，累积冷应力的减少范围从炎热的夏季和温暖的冬季（HSWW）的7.6降低到炎热的夏季和寒冷的冬季的10.3，而累积的热应力从温和区的9.9增加到HSWW的30.6。减少冷压力将导致较少的冬季采暖，而热应力的增加将导致更多的制冷需求

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  • 来源
    《Building and Environment》 |2011年第8期|p.1649-1656|共8页
  • 作者

    Danny H.W. Li; Kevin K.W. Wan; Liu Yang; Joseph C. Lam;

  • 作者单位

    Building Energy Research Croup, Department of Building and Construction, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;

    Building Energy Research Croup, Department of Building and Construction, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;

    School of Architecture, Xi'an University of Architecture and Technology, Shaanxi 710055, China;

    Building Energy Research Croup, Department of Building and Construction, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong SAR, China;

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  • 正文语种 eng
  • 中图分类
  • 关键词

    heat and cold stresses; built environment; climate change; general circulation models; 20th and 21st centuries; china;

    机译：冷热胁迫;建筑环境;气候变化;总体环流模式;20世纪和21世纪;中国;

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