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Predicting fine-scale daily NO2 for 2005-2016 incorporating OMI satellite data across Switzerland

de Hoogh, Kees and Saucy, Apolline and Shtein, Alexandra and Schwartz, Joel and West, Erin A. and Strassmann, Alexandra and Puhan, Milo and Röösli, Martin and Stafoggia, Massimo and Kloog, Itai. (2019) Predicting fine-scale daily NO2 for 2005-2016 incorporating OMI satellite data across Switzerland. Environmental Science and Technology, 53 (17). pp. 10279-10287.

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Official URL: https://edoc.unibas.ch/71956/

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Abstract

Nitrogen dioxide (NO; 2; ) remains an important traffic-related pollutant associated with both short- and long-term health effects. We aim to model daily average NO; 2; concentrations in Switzerland in a multistage framework with mixed-effect and random forest models to respectively downscale satellite measurements and incorporate local sources. Spatial and temporal predictor variables include data from the Ozone Monitoring Instrument, Copernicus Atmosphere Monitoring Service, land use, and meteorological variables. We derived robust models explaining ∼58% (; R; 2; range, 0.56-0.64) of the variation in measured NO; 2; concentrations using mixed-effect models at a 1 × 1 km resolution. The random forest models explained ∼73% (; R; 2; range, 0.70-0.75) of the overall variation in the residuals at a 100 × 100 m resolution. This is one of the first studies showing the potential of using earth observation data to develop robust models with fine-scale spatial (100 × 100 m) and temporal (daily) variation of NO; 2; across Switzerland from 2005 to 2016. The novelty of this study is in demonstrating that methods originally developed for particulate matter can also successfully be applied to NO; 2; . The predicted NO; 2; concentrations will be made available to facilitate health research in Switzerland.
Faculties and Departments:09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH)
09 Associated Institutions > Swiss Tropical and Public Health Institute (Swiss TPH) > Department of Epidemiology and Public Health (EPH) > Environmental Exposures and Health > Physical Hazards and Health (Röösli)
UniBasel Contributors:de Hoogh, Kees and Saucy, Apolline and Röösli, Martin
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:American Chemical Society
ISSN:0013-936X
e-ISSN:1520-5851
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:18 Sep 2019 07:11
Deposited On:18 Sep 2019 07:11

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