NDLI: UTCI—Why another thermal index?

Content Provider	Springer Nature Link
Author	Jendritzky, Gerd Dear, Richard Havenith, George
Copyright Year	2011
Abstract	Existing procedures for the assessment of the thermal environment in the fields of public weather services, public health systems, precautionary planning, urban design, tourism and recreation and climate impact research exhibit significant shortcomings. This is most evident for simple (mostly two-parameter) indices, when comparing them to complete heat budget models developed since the 1960s. ISB Commission 6 took up the idea of developing a Universal Thermal Climate Index (UTCI) based on the most advanced multi-node model of thermoregulation representing progress in science within the last three to four decades, both in thermo-physiological and heat exchange theory. Creating the essential research synergies for the development of UTCI required pooling the resources of multidisciplinary experts in the fields of thermal physiology, mathematical modelling, occupational medicine, meteorological data handling (in particular radiation modelling) and application development in a network. It was possible to extend the expertise of ISB Commission 6 substantially by COST (a European programme promoting Cooperation in Science and Technology) Action 730 so that finally over 45 scientists from 23 countries (Australia, Canada, Israel, several Europe countries, New Zealand, and the United States) worked together. The work was performed under the umbrella of the WMO Commission on Climatology (CCl). After extensive evaluations, Fiala’s multi-node human physiology and thermal comfort model (FPC) was adopted for this study. The model was validated extensively, applying as yet unused data from other research groups, and extended for the purposes of the project. This model was coupled with a state-of-the-art clothing model taking into consideration behavioural adaptation of clothing insulation by the general urban population in response to actual environmental temperature. UTCI was then derived conceptually as an equivalent temperature (ET). Thus, for any combination of air temperature, wind, radiation, and humidity (stress), UTCI is defined as the isothermal air temperature of the reference condition that would elicit the same dynamic response (strain) of the physiological model. As UTCI is based on contemporary science its use will standardise applications in the major fields of human biometeorology, thus making research results comparable and physiologically relevant.
Starting Page	421
Ending Page	428
Page Count	8
File Format	PDF
ISSN	00207128
Journal	International Journal of Biometeorology
Volume Number	56
Issue Number	3
e-ISSN	14321254
Language	English
Publisher	Springer-Verlag
Publisher Date	2011-12-21
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Outdoor climate Thermal assessment Index Thermal stress Thermo-physiology Model Animal Physiology Meteorology/Climatology Plant Physiology Biophysics and Biological Physics Environmental Health Environment
Content Type	Text
Resource Type	Article
Subject	Ecology Health, Toxicology and Mutagenesis Atmospheric Science

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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Deriving the operational procedure for the Universal Thermal Climate Index (UTCI)

Predicting urban outdoor thermal comfort by the Universal Thermal Climate Index UTCI—a case study in Southern Brazil

Special issue: Universal Thermal Comfort Index (UTCI)

Global forecasting of thermal health hazards: the skill of probabilistic predictions of the Universal Thermal Climate Index (UTCI)

Comparison of UTCI to selected thermal indices

The uncertainty of UTCI due to uncertainties in the determination of radiation fluxes derived from measured and observed meteorological data

Physiological responses to temperature and humidity compared to the assessment by UTCI, WGBT and PHS

An analysis of influential factors on outdoor thermal comfort in summer

Assessment of daytime outdoor comfort levels in and outside the urban area of Glasgow, UK

UTCI—Why another thermal index?

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Deriving the operational procedure for the Universal Thermal Climate Index (UTCI)

Predicting urban outdoor thermal comfort by the Universal Thermal Climate Index UTCI—a case study in Southern Brazil

Special issue: Universal Thermal Comfort Index (UTCI)

Global forecasting of thermal health hazards: the skill of probabilistic predictions of the Universal Thermal Climate Index (UTCI)

Comparison of UTCI to selected thermal indices

The uncertainty of UTCI due to uncertainties in the determination of radiation fluxes derived from measured and observed meteorological data

Physiological responses to temperature and humidity compared to the assessment by UTCI, WGBT and PHS

An analysis of influential factors on outdoor thermal comfort in summer

Assessment of daytime outdoor comfort levels in and outside the urban area of Glasgow, UK

UTCI—Why another thermal index?