Investigating the Linkage between Precipitation and Temperature Changes in Iraq and Greenhouse Gas Variability
Publish place: Journal of the Earth and Space Physics، Vol: 46، Issue: 4
Publish Year: 1399
نوع سند: مقاله ژورنالی
زبان: English
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JR_JESPHYS-46-4_016
تاریخ نمایه سازی: 26 مهر 1402
Abstract:
In this study, the homogeneity of annual precipitation and temperature in Iraq were examined for the periods ۱۹۸۱-۲۰۱۰ and ۱۹۷۱-۲۰۱۰, respectively in terms of Greenhouse Gases (GHGs) and their link to climate change. Observational data of precipitation and temperature were provided by Iraqi meteorological stations along with information on GHG concentrations from the Emission Database for Global Atmospheric Research (EDGAR V۴.۳.۲). The homogeneity characterisations of both precipitation and temperature were undertaken, noting that precipitation was homogeneous over the period of study, whereas, temperature, on the other hand, had breakpoints for the meteorological stations investigated. The Mann-Kendall test was performed to determine the trend and magnitude of changes in climate conditions. The time series for precipitation showed a significant decline trend in six stations. However, temperature had a slight trend throughout the period of study. The annual time series of GHG emissions in Iraq and the link with the country’s climate was also investigated in this study indicating that the time series of N۲O and CO۲ increased over time, but CH۴ decreased over the same period. The correlation coefficient values of both temperature and GHG were substantial and were found to increase in the southern stations, given the abundance of intense heat and industrial activities, while the relationship between GHG and precipitation were found to be low. Accordingly, GHG emissions have a direct link with the climatic conditions in Iraq due to the development and contribution of various industries, oil refineries, pollutants and population growth that contributed towards climatic change in Iraq.
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Authors
Jasim Al-Khalidi
Associate Professor, Department of Physics, Faculty of Sciences, University of Diyala, Diyala, Iraq
Dher Bakr
Associate Professor, Department of Physics, Faculty of Sciences, University of Diyala, Diyala, Iraq
Azhar Hadi
Associate Professor, Department of geography, Faculty of Education for Human Sciences, University of Diyala, Diyala, Iraq
Meeran Omar
Associate Professor, Department of physics, Faculty of Sciences, University of Sulaimami, Sulaimami, Iraq
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