Concurrent heatwaves and extreme Ozone (O3) episodes: combined atmospheric patterns and impact on human health

Khomsi, Kenza; Chelhaoui, Youssef; Alilou, Soukaina; Souri, Rania; Najmi, Houda; Souhaili, Zineb

doi:10.1002/essoar.10505607.1

Cited by 2 publications

(2 citation statements)

References 23 publications

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“…Morocco is one of the countries with an arid or semi-arid climate, especially those on the southern shore of the Mediterranean, are exposed to air pollution. The barren soils and the high temperature give rise to high O 3 emissions due not only to automobile traffic and industrialization but also to significant soil contributions, linked to the aridity of the climate and the proximity of the desert [4]. Therefore, Morocco is not far from this deterioration of ecological conditions, particularly in large areas where 13.4% of Moroccan population and most the human activities are accumulated (Industries, vehicles, etc.)…”

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confidence: 99%

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Forecasting Daily of Surface Ozone Concentration in the Grand Casablanca Region Using Parametric and Nonparametric Statistical Models

et al. 2021

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Forecasting concentration levels is important for planning atmospheric protection strategies. In this paper, we focus on the daily average surface ozone (O3) concentration with a short-time resolution (one day ahead) in the Grand Casablanca Region of Morocco. The database includes previous day O3 concentrations measured at Jahid station and various meteorological explanatory variables for 3 years (2013 to 2015). Taking into account the multicollinearity problem in the data, adapted statistical models based on parametric (SPLS and Lasso) and nonparametric (CART, Bagging, and RF) models were built and compared using the coefficient of determination and the root mean square error. We conclude that the parametric models predict better than nonparametric ones. Finally, from the explanatory variables stored by the SPLS and Lasso parametric models, we deduce that a very simple linear regression with five variables remains the most appropriate for the available data at Jahid station (R2 = 0.86 and RMSE = 9.60). This resulting model, with few explanatory variables to prevent missing data, has good predictive quality and is easily implementable. It is the first to be built to predict ozone pollution in the Grand Casablanca region of Morocco.

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Section: Introductionmentioning

confidence: 99%

“…Surface O 3 concentrations are also influenced by meteorological conditions that have a significant role in the transport of concentrations of this pollutant such as temperature, pressure, humidity, wind direction, sunshine duration, etc. [4,6,7]. O 3 threatens human health and environment [3,8].…”

Section: Introductionmentioning

confidence: 99%

Forecasting Daily of Surface Ozone Concentration in the Grand Casablanca Region Using Parametric and Nonparametric Statistical Models

et al. 2021

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A Review on Climate, Air Pollution, and Health in North Africa

Sekmoudi¹,

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Khomsi

et al. 2022

Curr Envir Health Rpt

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Purpose of Review The aim of this review is to summarize and provide clear insights into studies that evaluate the interaction between air pollution, climate, and health in North Africa. Recent Findings Few studies have estimated the effects of climate and air pollution on health in North Africa. Most of the studies highlighted the evidence of the link between climate and air pollution as driving factors and increased mortality and morbidity as health outcomes. Each North African country prioritized research on a specific health factor. It was observed that the health outcome from each driving factor depends on the studied area and data availability. The latter is a major challenge in the region. As such, more studies should be led in the future to cover more areas in North Africa and when more data are available. Data availability will help to explore the applicability of different tools and techniques new to the region. Summary This review explores studies related to climate and air pollution, and their possible impacts on health in North Africa. On one hand, air quality studies have focused mainly on particulate matter exceedance levels and their long-term exposure impacts, namely, morbidity and mortality. The observed differences between the various studies are mainly due to the used exposure–response function, the studied population, background emissions, and natural emission from the Sahara Desert that characterize the region. On the other hand, climate studies have focused primarily on the impact of heat waves, vector-borne disease, and mental disorders. More than half of these studies have been on leishmaniasis disease. The review revealed unbalanced and insufficient research on health impacts from air pollution episodes and climate extremes across the region.

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Concurrent heatwaves and extreme Ozone (O3) episodes: combined atmospheric patterns and impact on human health

Cited by 2 publications

References 23 publications

Forecasting Daily of Surface Ozone Concentration in the Grand Casablanca Region Using Parametric and Nonparametric Statistical Models

Forecasting Daily of Surface Ozone Concentration in the Grand Casablanca Region Using Parametric and Nonparametric Statistical Models

A Review on Climate, Air Pollution, and Health in North Africa

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