Pollution de l’environnement et changement climatique

Abstrait

Relationship between Temperature, Humidity, Oxygen and Carbon Dioxide in the Air of Yadavaran Oil Field and Neighboring Cities (Ahvaz and Azadegan Plain)

Mohammad Velayatzadeh

Background: One of the most important problems in human life is air pollution and its effects on human health. The aim of this study was to investigate the amount of carbon dioxide in the air and its relationship with temperature and humidity and compare the allowable threshold of carbon dioxide concentration in Yadavaran oil field with neighboring cities including Ahvaz and Azadegan plain.

Methods: In order to measure temperature, humidity, oxygen and carbon dioxide in this Yadavaran oil field and the cities of Ahvaz and Azadegan plain, 15 stations were considered each. Parameters were measured using ALTAIR 4X and Trotec BZ30 devices. SPSS software version 18 was used for data between B and Pearson and Spearman coefficients were used for correlation analysis of the measured data.

Results: The results showed that the temperature and carbon dioxide in the air of Ahvaz was higher than Yadavaran oil field and Azadegan plain area (P<0.05). There was no statistically significant difference in oxygen and moisture levels in the study areas (P>0.05). Correlation analysis showed that there was no positive and significant relationship between the parameters (P>0.05), But there was a significant relationship (Pearson correlation= 0.990; Spearman’s correlation= 0.885) between the correlation between carbon dioxide and temperature (P<0.05).

Conclusion: The results of this study showed that Yadavaran oil field is not affected by the air of neighboring cities and its temperature and carbon dioxide are lower than Ahvaz industrial city. Based on the results of Pearson and Spearman coefficient analysis, spatial changes studied in Yadavaran oil field, Ahvaz city and Azadegan plain region showed that meteorological parameters of temperature and carbon dioxide have no effect on humidity and oxygen.