Investigation and zoning of thermal physiological stresses in Iran

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JALALI MASOUD; Faraji Abdullah; Mansourzadeh Ali Mohammad; Hosseini Seddigh Sayyed Mahmoud

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Journal: Journal of Spatial Analysis Environmental Hazards Year:2020 | Volume:6 | Issue:4 Page(s): 177-194

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Title

Investigation and zoning of thermal physiological stresses in Iran

Author(s)

JALALI MASOUD | Faraji Abdullah | Mansourzadeh Ali Mohammad | Hosseini Seddigh Sayyed Mahmoud | Issue Writer Certificate

Keywords

thermal stressQ1

PETQ2

zoningQ2

Iran.thermal stressQ2

IranQ2

Abstract

Human health is influenced by weather variables in all circumstances, including atmospheric pressure, humidity and temperature around them. Based on climate hazard and climate changes, different parts of human life and economic and social strategies such as health, hydrological pollutants And agriculture had a profound effect, including the discussion of the effects of thermal stress on human health over the last few decades, and has become a major issue in the world's scientific circles. Heat and cold stresses, the exposure of humans to extreme heat and cold, are part of the extreme events, often encountered by people during daily activities or in the workplace, and affecting human physical activities. It is important that, if the body is not cooled through transpiration or cooling mechanism, severe deaths are inflicted on human health; therefore, the person has to reduce his activity in order to reduce the adverse effects of heat stress. Hence, many researchers consider the thermal stress component more important than other components in assessing human health. In this study, using the physiological equivalent thermometer of PET thermal stress assessment and zoning of human thermal physiological stresses in Iran, with the length of the common statistical period from 1959 to 2011, and for the arsenal of thermal physiological stresses of Iran Forty stations have been used as representatives of Iranian cities. To calculate the physiological equivalent thermal temperature, all the effective meteorological elements in the human energy bill are measured at an appropriate height of climate biology, such as 1/5 meters above the Earth's surface. Data on climatic elements are provided by the Meteorological Organization of Iran. In the absence of data for some courses, linear regression method was used to reconstruct these missing data. After calculating the indices, the frequencies were also monitored and finally, using the GIS technique, the Kriging method of the study area was based on the frequency of occurrence of the indicators. Therefore, in order to achieve the results and objectives of the present study, software such as SPSS for data normalization as well as missing data was analyzed and analyzed using Ray Man's model based on meteorological elements to calculate the equivalent thermal physiological temperature of humans. Also, using the GIS software and Ordinary Kriging method, the best interpolation method was used to zon the human cysiological stresses. Today, in the planning of human health and comfort, the study of the physiological thermal stress plays an important role. In this regard, weather conditions can be used in the long-term planning of climate and in the short term planning of atmospheric conditions. In the present study, using the thermophysical Thermal Equivalent Thermal Index (PET), the climate climatic Atlas of Iran was prepared on a monthly basis. Calculated values for 40 stations in the country with a total statistical period of 52 years (1959-2011) were prepared. The results of this study showed that the spatial distribution of the physiological equivalent thermal temperature index in the country follows the altitudes, roughness and latitude. Accordingly, the low values of the indicator, which relate to the stresses of the cold, are consistent with the high and mountainous regions as well as the high latitudes, and vice versa, the thermal stresses occur in low and low elevations, as well as low latitudes, which of course, severe heat stresses occurred in the summer. Because throughout this season, the entire country of Iran is dominated by high tidal altitudes at high and low levels of ground pressure (1000 hp) with its warm and dry air, causing extreme heat and The term effects of heat waves on humans, heat loss, thermal contraction of the muscles and skin dryness, infectious or skin diseases, inflammation, sunburn, dizziness, fatigue, and mortality due to an increase in allergies can be mentioned. Significant differences in the environmental conditions of the mountainous masses of Kerman, Yazd and Sistan and Baluchestan provinces with their surrounding areas or low and low northern areas, and especially the Moghan Plain and Sarakhs plain, located in the upper latitudes of the country The issue is that the role of elevation in spatial distribution of the country's climate is much more colorful than factors such as latitude and longitude. The results of the analysis of the monthly thermal physiological stress maps showed that in terms of the area without tension, the march of the month with 47/8% of the area (778424/2km2) is in the first place and has the most favorable environmental conditions, The moon with 43/5 percent of the area (709275/2km2) is in the second position and also in March with 22. 6 (359128/9km2) in the third, August and the last month. The highest thermal stresses (29

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APA: Copy

JALALI, MASOUD, Faraji, Abdullah, Mansourzadeh, Ali Mohammad, & Hosseini Seddigh, Sayyed Mahmoud. (2020). Investigation and zoning of thermal physiological stresses in Iran. JOURNAL OF SPATIAL ANALYSIS ENVIRONMENTAL HAZARTS, 6(4 ), 177-194. SID. https://sid.ir/paper/381143/en

Vancouver: Copy

JALALI MASOUD, Faraji Abdullah, Mansourzadeh Ali Mohammad, Hosseini Seddigh Sayyed Mahmoud. Investigation and zoning of thermal physiological stresses in Iran. JOURNAL OF SPATIAL ANALYSIS ENVIRONMENTAL HAZARTS[Internet]. 2020;6(4 ):177-194. Available from: https://sid.ir/paper/381143/en

IEEE: Copy

MASOUD JALALI, Abdullah Faraji, Ali Mohammad Mansourzadeh, and Sayyed Mahmoud Hosseini Seddigh, “Investigation and zoning of thermal physiological stresses in Iran,” JOURNAL OF SPATIAL ANALYSIS ENVIRONMENTAL HAZARTS, vol. 6, no. 4 , pp. 177–194, 2020, [Online]. Available: https://sid.ir/paper/381143/en

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