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Climate 2018, 6(2), 46; https://doi.org/10.3390/cli6020046

Temporal and Spatial Ozone Distribution over Egypt

Aerospace Engineering Department, Cairo University, Cairo 12613, Egypt
Received: 21 May 2018 / Revised: 25 May 2018 / Accepted: 27 May 2018 / Published: 29 May 2018
(This article belongs to the Special Issue Air Pollution and Plant Ecosystems)
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Abstract

The long-term temporal trends and spatial distribution of Ozone (O3) over Egypt is presented using monthly data from both the Atmospheric Infrared Sounder (AIRS) and the model Modern-Era Retrospective analysis for Research and Applications (MERRA) datasets. The twelve-year monthly record (2005–2016) of the Total Ozone Column (TOC) has a spatial resolution of 1 × 1° from AIRS and 0.5 × 0.625° from the MERRA-2 dataset. The average monthly, seasonal and interannual time series are analyzed for their temporal trends, while the seasonal average spatial distributions are compared. It was found that MERRA-2 underestimated AIRS measurements. Both AIRS and MERRA-2 have their minimum monthly averages of TOC in February 2013. The maximum monthly average TOC from AIRS is 321.48 DU in July 2012, while that from MERRA-2 is 303.48 in April 2011. View Full-Text
Keywords: AIRS; MERRA-2; ozone; trend; spatial and temporal O3 AIRS; MERRA-2; ozone; trend; spatial and temporal O3
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).
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El-Tahan, M. Temporal and Spatial Ozone Distribution over Egypt. Climate 2018, 6, 46.

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