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Statistical Analysis and Optimization of Work-Rest Cycles in High Temperature Industrial Environments: Evidence from Iraq's Oil Industry

Sundus Mohammad Kadhim

2025enheat stresswork-rest cyclesoil industryclimate changeoccupational safetyIraq

Abstract

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This study investigates how to optimize work–rest cycles for oil industry workers in Iraq under extreme heat conditions. Focusing on three major oil-producing regions—Basra, Karbala, and Kirkuk—it analyzes historical climate data from 1979 to 2018 and incorporates projections to 2050. Wet Bulb Globe Temperature (WBGT) indices and simulation models are used to quantify heat stress based on air temperature, humidity, wind, solar radiation, metabolic heat, and the effects of personal protective equipment. Results show that Basra experiences the most severe heat stress (WBGT 33.0–40.4°C), followed by Karbala (29.9–36.5°C) and Kirkuk (27.5–33.7°C), with statistically significant warming trends of about 0.28–0.35°C per decade. Based on these findings, the study proposes location- and task-specific work–rest schedules, ranging from continuous work in cooler morning hours to full work stoppages during peak heat. The proposed framework is designed to be transferable to other high-temperature industrial environments in the Middle East, North Africa, and similar arid regions, and emphasizes integrated engineering and administrative controls to manage occupational heat stress.

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Cite This Work

@article{203759eb-43af-42c0-a047-426aba18c689,
  title={Statistical Analysis and Optimization of Work-Rest Cycles in High Temperature Industrial Environments: Evidence from Iraq's Oil Industry  },
  author={Sundus Mohammad Kadhim},
  year={2025},
  language={en}
}
TY  - JOUR
TI  - Statistical Analysis and Optimization of Work-Rest Cycles in High Temperature Industrial Environments: Evidence from Iraq's Oil Industry  
AU  - Sundus Mohammad Kadhim
PY  - 2025
LA  - en
ER  -

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