Natural and Artificial Cold Acclimatization in Man

Davis, Thomas R. A.; Joy, Robert J. T.

doi:10.1016/b978-0-08-009683-4.50038-3

Cited by 3 publications

(3 citation statements)

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“…The existence of cold acclimatization in man is also established (Glaser, 1949b;Carlson, Burns, Holmes & Webb, 1953;Brown, 1957;Budd, 1962) and the literature has been recently reviewed by Davis & Joy (1962). It would not be necessary to stress the fact that the subjects of the present experiment showed progressively less discomfort, less shivering and less peripheral cooling in the cold room if it were not for claims by Edholm (1959Edholm ( , 1960 that cold acclimatization might not exist in man; but the present findings are further evidence of cold acclimatization, and they are perhaps interesting because cooling lasted only 3 hr daily for 9 days.…”

Section: Discussionmentioning

confidence: 99%

Simultaneous experimental acclimatization to heat and cold in man

Glaser¹,

Shephard²

1963

The Journal of Physiology

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Section: Discussionmentioning

confidence: 99%

Simultaneous experimental acclimatization to heat and cold in man

Glaser¹,

Shephard²

1963

The Journal of Physiology

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“…A change of setting due, say, to travel between places where climatic conditions are quite dissimilar, can have a physiological cost. When differences are large, there is a period of short-term acclimatization adjustment during which the body might experience additional thermally induced physiological strain [ 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 ]. This adaptation period is not risk free, so it may be necessary to take into account the impact of the change in physiological well-being during the period of adjustment.…”

Section: Introductionmentioning

confidence: 99%

Role of Acclimatization in Weather-Related Human Mortality During the Transition Seasons of Autumn and Spring in a Thermally Extreme Mid-Latitude Continental Climate

Freitas

Grigorieva

2015

IJERPH

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Human mortality is closely related to natural climate-determined levels of thermal environmental stress and the resulting thermophysiological strain. Most climate-mortality research has focused on seasonal extremes during winter and summer when mortality is the highest, while relatively little attention has been paid to mortality during the transitional seasons of autumn and spring. The body acclimatizes to heat in the summer and cold in winter and readjusts through acclimatization during the transitions between the two during which time the body experiences the thermophysiological strain of readjustment. To better understand the influences of weather on mortality through the acclimatization process, the aim here is to examine the periods that link very cold and very warms seasons. The study uses the Acclimatization Thermal Strain Index (ATSI), which is a comparative measure of short-term thermophysiological impact on the body. ATSI centers on heat exchange with the body’s core via the respiratory system, which cannot be protected. The analysis is based on data for a major city in the climatic region of the Russian Far East characterized by very hot summers and extremely cold winters. The results show that although mortality peaks in winter (January) and is at its lowest in summer (August), there is not a smooth rise through autumn nor a smooth decline through spring. A secondary peak occurs in autumn (October) with a smaller jump in May. This suggests the acclimatization from warm-to-cold produces more thermophysiological strain than the transition from cold-to-warm. The study shows that ATSI is a useful metric for quantifying the extent to which biophysical adaptation plays a role in increased strain on the body during re-acclimatization and for this reason is a more appropriate climatic indictor than air temperature alone. The work gives useful bioclimatic information on risks involved in transitional seasons in regions characterized by climatic extremes. This could be handy in planning and managing health services to the public and measures that might be used to help mitigate impacts.

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“…This adaptation period is not risk free. When climatic differences are large there is a period of short-term acclimatization adjustment during which the traveler might experience thermally-induced physiological strain (Burton and Edholm 1955;Adolph 1956;Davis and Joy 1965;Dubos 1965;Williams et al 1967;Tikhomirov 1968;Lazar et al 1981;Rusanov 1989Rusanov , 2004. The impact centers on the respiratory organs.…”

Section: Introductionmentioning

confidence: 98%

The Acclimatization Thermal Strain Index (ATSI): a preliminary study of the methodology applied to climatic conditions of the Russian Far East

Freitas

Grigorieva

2009

Int J Biometeorol

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Travel to distant places where the climate is different to that at home involves a period of short-term acclimatization adjustment following arrival during which the traveler might experience thermally-induced physiological strain. This may be expressed as an "acclimatization thermal loading" (ATL). The first signs of this show up in the respiratory organs. In the current study, the Acclimatization Thermal Strain Index (ATSI) is developed and used for assessment of ATL for recreational travel over a range of climatic conditions. ATSI estimates the impact of short-term acclimatization calculated as the ratio of a difference between respiratory heat losses at the traveler's home location to respiratory heat losses at the trip destination upon first arriving there. The Russian Far East region is used as a case study. The research focuses on the effects of travel from two locations in the study region. The results show that ATSI values can be significantly different when considering places of trip origin. For example, travel from Anadyr to other locations within the Russian Far East could lead to large ATSI in summer. In contrast, ATSI values are small for travel almost anywhere in the region during winter, but this is against a backdrop of extreme cold for the region as a whole. Here, the diversity of climatic conditions of both heat and cold means short-term adjustment to conditions could be stressful or worse for those who travel to participate in outdoor activities.

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Natural and Artificial Cold Acclimatization in Man

Cited by 3 publications

References 50 publications

Simultaneous experimental acclimatization to heat and cold in man

Simultaneous experimental acclimatization to heat and cold in man

Role of Acclimatization in Weather-Related Human Mortality During the Transition Seasons of Autumn and Spring in a Thermally Extreme Mid-Latitude Continental Climate

The Acclimatization Thermal Strain Index (ATSI): a preliminary study of the methodology applied to climatic conditions of the Russian Far East

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