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Study of surface heat inversions characteristics around Baghdad station

Al-Ghrybawi Shahad R., Al-Jiboori Monim H.

Przegląd Naukowy Inżynieria i Kształtowanie Środowiska

2019

Vol. 28, No. 4

610--618

This work presents the surface heat inversions characteristics for Baghdad city. This inversion plays an important role in the study of concentrations of pollutants as well as its effect on spraying insecticides, which starts from a height of 2 m using the daily radiosonde data (midnight) of the period of 2013–2014 obtained from the Iraqi Meteorological Organization and Seismology. The frequencies average of the heat inversion was studied on a monthly and quarterly basis. It was clear from the study that surface heat inversion shows the highest monthly frequency average in the September; the lowest monthly frequency average in the March; highest seasonal frequency average in the summer and the lowest seasonal frequency average in the spring. As for the relative frequencies of the monthly and seasonal of the surface heat inversion was calculated, it was found that 49% occurs during the summer months also winter record the same relative frequencies of the surface heat inversion in the summer. It was done through this research calculated height of the surface heat inversion the results were heights inversion in winter.