ArticlePhilosophical transactions. Series A, Mathematical, physical, and engineering sciences2020
Lower air pollution during COVID-19 lock-down: improving models and methods estimating ozone impacts on crops.
Article in Philosophical transactions. Series A, Mathematical, physical, and engineering sciences, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
7 citing papers in PubMed.
- Markov chain-based impact analysis of the pandemic Covid-19 outbreak on global primary energy consumption mix.Scientific reports · 2024Article
- Changes in NO2 and O3 levels due to the pandemic lockdown in the industrial cities of Tehran and Arak, Iran using Sentinel 5P images, Google Earth Engine (GEE) and statistical analysis.Stochastic environmental research and risk assessment : research journal · 2023Article
- The impact of the COVID-19 pandemic on air pollution: A global assessment using machine learning techniques.Atmospheric pollution research · 2022Article
- Threshold effects of COVID-19-confirmed cases on change in pollutants changes: evidence from the Chinese top ten cities.Environmental science and pollution research international · 2021Article
- Impact of COVID-19 lockdown on NOThe Science of the total environment · 2021Article
- Recent advances in satellite mapping of global air quality: evidences during COVID-19 pandemic.Environmental sustainability (Singapore) · 2021Review
- Global Air Quality, past present and future: an introduction.Philosophical transactions. Series A, Mathematical, physical, and engineering sciences · 2020Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We suggest that the unprecedented and unintended decrease of emissions of air pollutants during the COVID-19 lock-down in 2020 could lead to declining seasonal ozone concentrations and positive impacts on crop yields. An initial assessment of the potential effects of COVID-19 emission reductions was made using a set of six scenarios that variously assumed annual European and global emission reductions of 30% and 50% for the energy, industry, road transport and international shipping sectors, and 80% for the aviation sector. The greatest ozone reductions during the growing season reached up to 12 ppb over crop growing regions in Asia and up to 6 ppb in North America and Europe for the 50% global reduction scenario. In Europe, ozone responses are more sensitive to emission declines in other continents, international shipping and aviation than to emissions changes within Europe. We demonstrate that for wheat the overall magnitude of ozone precursor emission changes could lead to yield improvements between 2% and 8%. The expected magnitude of ozone precursor emission reductions during the Northern Hemisphere growing season in 2020 presents an opportunity to test and improve crop models and experimentally based exposure response relationships of ozone impacts on crops, under real-world conditions. This article is part of a discussion meeting issue 'Air quality, past present and future'.
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