AccScience Publishing / AJWEP / Volume 21 / Issue 2 / DOI: 10.3233/AJW240023
RESEARCH ARTICLE

The Influence of Ozone Depletion Potential Weighted Anthropogenic Emissions of Nitrous Oxide

Ruaa M. Ibrahim1 Zainab M. Abbood1 Osama T. Al-Taai1* Mohamad M. Ahmed1
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1 Department of Atmospheric Science, College of Science, Mustansiriyah University, Baghdad, Iraq
AJWEP 2024, 21(2), 56–73; https://doi.org/10.3233/AJW240023
Submitted: 2 August 2023 | Revised: 11 September 2023 | Accepted: 11 September 2023 | Published: 28 March 2024
© 2024 by the Author(s). This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution -Noncommercial 4.0 International License (CC-by the license) ( https://creativecommons.org/licenses/by-nc/4.0/ )
Abstract

The effects of anthropogenic emissions of nitrous oxide (N2O), carbon dioxide (CO2), methane (CH4), and halocarbons on stratospheric ozone (O3) over the twentieth and twenty-first centuries are divided using a chemical model of the stratosphere. As halocarbon levels revert to pre-industrial levels, N2O and CO2 will likely play the primary roles in the evolution of ozone in the future. It is unable to distinguish clearly between these gases’ effects on ozone due to nonlinear interactions between them. The work was conducted using the monthly and annual data of the gases in the stratospheric layer to determine the overlap between N2O and O3 for the Iraq station and for the period (2003-2016). The strength of the association between gases was determined using the Spearman rho test (rs). It was found that there is a very high positive relationship between the N2O and O3 in Nasriyah station, which is 0.807 which indicates a strong association. This is because meteorological conditions, climatic fluctuations, and atmospheric location all affect correlation. The ozone layer is destroyed by nitrous oxide at high concentrations through the stratosphere layer and the tropospheric layer, the concentration of ozone increases with an increase in the concentration of nitrogen dioxide.

Keywords
Greenhouse gases
N2O
O3
ECMWF
Spearman rho test
Iraq
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Asian Journal of Water, Environment and Pollution, Electronic ISSN: 1875-8568 Print ISSN: 0972-9860, Published by AccScience Publishing