Potential effect of atmospheric condition on incident light and photo-production of reactive intermediates in freshwater systems
Open accessAbstract
The effect of local atmospheric conditions on aquatic photochemical reactions has been rarely explored because of the difficulty in field observation. Thus, this study aimed to elucidate the effects of atmospheric conditions, which are inorganic air pollution, aerosol pollution, and ozone layer depletion, on the incident light and photo-production of reactive intermediates (RIs). Models of SMARTS (Simple Model for the Atmospheric Radiative Transfer of Sunshine) and APEX (Aqueous Photochemistry of Environmentally occurring Xenobiotics) were used to simulate the changes in wavelength profile and steady-state concentrations of RIs, which are hydroxyl radical, carbonate radical, singlet oxygen, and triplet-state of dissolved organic matter. Results showed that inorganic air pollution and aerosol pollution have a reduction effect on the production of RIs, while ozone layer depletion increases the production of RIs. Among them, inorganic air pollution has the largest influence on the production of RIs which were expected to reduce by 80%–90% in extreme pollution. This study also investigated the potential effect of water constituents (i.e., NO3−, dissolved organic matter, and HCO3−) on the relation between atmospheric conditions and the production of RIs. NO3− concentration under different atmospheric conditions showed the most influence on the production of RIs. This study highlighted the importance of considering atmospheric conditions when assessing the photochemical persistence of organic pollutants. Even though these results are model output, they quantitatively revealed the potential influence of atmospheric conditions on the production of RIs in freshwater systems.
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The same change in total column ozone would have little effect on 3CDOM* and 1O2 (+2-3%) generation and, hence, on the degradation of contaminants such as fenuron, isoproturon, amoxicillin, and chlorophenolates, plus phenols and anilines in organic-rich waters.
“In contrast, the same change in total column ozone would have little effect on 3CDOM* and 1O2 (+ 2–3%) generation [237] and, hence, on the degradation of contaminants, such as fenuron, isoproturon, amoxicillin, and chlorophenolates, plus phenols and anilines in organic-rich waters [238].”
NO2, under highly polluted conditions, and aerosols affect a much wider range of wavelengths and inhibit all indirect photoreactions.
“By comparison, NO2, under highly polluted conditions, and aerosols affect a much wider range of wavelengths and inhibit all indirect photoreactions [237].”
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Neale, P. J., Hylander, S., Banaszak, A. T., Häder, D.-P., Rose, K. C., Vione, D., Wängberg, S.-Å., Jansen, M. A. K., Busquets, R., Andersen, M. P. S., et al. (2025) · Photochemical & Photobiological Sciences · doi:10.1007/s43630-025-00687-x · Cited by 32 · see citing works
“…in total column ozone from 450 to 250 DU would enhance CO 3•− and • OH reactions by 10 to 25% and comparably enhance degradation of such common contaminants as carbamazepine, atrazine, diuron, acesulfame K, saturated hydrocarbons, plus phenol and anilines in organic-poor waters [237, 238].”
- Authors
- Albi, L. S., Guo, Z., Chen, G., & Yoshimura, C.
- Affiliations
- Tokyo Institute of Technology (JP)
- Corresponding author
- Yoshimura, Chihiro
- Venue
- Environmental Advances
- Publisher
- Elsevier BV
- Published
- 2023-04
- Volume
- 11
- Pages
- 100346
- ISSN
- 2666-7657 (ISSN-L)
- OpenAlex
- W4317666106
- Cited by
- 5
- References
- 0
- Citations by year
- 2025: 2 · 2024: 3
- FWCI
- 0.40
- Type
- journal article
- Language
- en
- Open access
- gold
- doi.org
- Licence
- Locations
- Environmental Advances (publishedVersion, cc-by-nc-nd)
- DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
- Institutional Repositories DataBase (IRDB) (submittedVersion)
- Tokyo Tech Research Repository (Tokyo Institute of Technology) (submittedVersion)
- Funders
- Japan Society for the Promotion of Science (21H01462, 22KJ1302)
- Topics
- Physical Sciences › Environmental Science › Water Science and Technology › Advanced oxidation water treatment
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Toxic Organic Pollutants Impact
- Physical Sciences › Earth and Planetary Sciences › Atmospheric Science › Atmospheric chemistry and aerosols
- Keywords
- atmospheric conditions, incident light, reactive intermediates, aerosol pollution, ozone depletion, hydroxyl radicals, carbonate radical, singlet oxygen, nitrate, bicarbonate, freshwater ecosystems, radiative transfer modeling
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