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Field-Based Thermal Physiology Assay: Cold Shock Recovery under Ambient Conditions
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The UTCI and the ISB.

Gerd Jendritzky1, Peter Höppe2

  • 1Environmental Meteorology, University of Freiburg, Priv. Laerchenweg 3, 79183, Waldkirch, Germany. gerd.jendritzky@meteo.uni-freiburg.de.

International Journal of Biometeorology
|June 22, 2017
PubMed
Summary

Environmental thermal conditions significantly impact human physiology, necessitating accurate assessment. The development of the Universal Thermal Climate Index (UTCI) offers a standardized approach for evaluating outdoor thermal environments in biometeorology.

Keywords:
Human heat budgetPhysiological equivalent temperature PETThermal assessmentThermal environmentThermal indexUniversal thermal climate index UTCI

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Area of Science:

  • Biometeorology
  • Environmental Science
  • Human Physiology

Background:

  • Human core body temperature regulation is a critical physiological process influenced by environmental thermal conditions.
  • Assessing thermal environments is a long-standing focus within biometeorology, with numerous studies and significant citation counts.
  • Early thermal assessments relied on simplified indices, evolving to complex heat budget models like the Physiological Equivalent Temperature (PET).

Purpose of the Study:

  • To address the limitations and application constraints of existing thermal assessment models.
  • To establish a unified and comprehensive 'universal' thermal climate index (UTCI) for outdoor environments.
  • To foster collaboration among leading scientists in thermal modeling.

Main Methods:

  • Development of the Universal Thermal Climate Index (UTCI) by a dedicated working group under the International Society of Biometeorology.
  • Creation of a comprehensive, open-source computational tool for calculating UTCI.
  • Utilizing advanced heat budget modeling principles to integrate multiple environmental parameters.

Main Results:

  • The UTCI framework provides a standardized method for assessing the thermal environment.
  • An open-source tool is available for calculating UTCI, facilitating widespread application.
  • The UTCI aims to overcome the shortcomings of previous thermal indices and models.

Conclusions:

  • The Universal Thermal Climate Index (UTCI) represents a significant advancement in biometeorological thermal environment assessment.
  • The developed open-source tool enhances the accessibility and application of UTCI for scientific research.
  • UTCI provides a more robust and universally applicable measure for human thermal comfort and stress in outdoor settings.