Human Thermal Climates in China

Yuk Yee YAN*

*Corresponding author for this work

Research output: Contribution to journalJournal articlepeer-review

13 Citations (Scopus)


The clo index, which indicates the amount of clothing required to maintain comfort, is used to evaluate the human thermal climates in China. Daily clo values for 200 stations were computed using daily air temperature, wind speed, and cloud-cover data from 1960 to 1998, and they were reduced and grouped into seasonal values. In winter, the roughly zonal pattern of thermal stress reflects the influence of latitude. In summer, the spatial pattern becomes more meridional. In eastern China, seasonal monsoon and maritime effects are crucial factors determining spatial variations of physioclimates. In western China, altitude and local topography play an important role in shaping the bioclimatic patterns. For the regional patterns of severe thermal stress, during the winter months, the northeast and northwest experience the highest percent of stressful time. In summer, the most oppressive heat stress is located in areas east of the Sichuan Basin and south of Huaihe River.

Original languageEnglish
Pages (from-to)163-176
Number of pages14
JournalPhysical Geography
Issue number3
Publication statusPublished - 1 Jan 2005

Scopus Subject Areas

  • Environmental Science(all)
  • Atmospheric Science
  • Earth and Planetary Sciences (miscellaneous)
  • Earth and Planetary Sciences(all)

User-Defined Keywords

  • China
  • Clo
  • Human thermal climates


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