Journal
INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH
Volume 16, Issue 7, Pages -Publisher
MDPI
DOI: 10.3390/ijerph16071300
Keywords
land use regression (LUR); ozone; Asian culturally specific source; temple; spatial-temporal variability
Funding
- National Health Research Institute [EM-108-PP-13, NHRI-108-EMGP02]
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This paper developed a land use regression (LUR) model to study the spatial-temporal variability of O-3 concentrations in Taiwan, which has typical Asian cultural characteristics with diverse local emission sources. The Environmental Protection Agency's (EPA) data of O-3 concentrations from 2000 and 2013 were used to develop this model, while observations from 2014 were used as the external data verification to assess model reliability. The distribution of temples, cemeteries, and crematoriums was included for a potential predictor as an Asian culturally specific source for incense and joss money burning. We used stepwise regression for the LUR model development, and applied 10-fold cross-validation and external data for the verification of model reliability. With the overall model R-2 of 0.74 and a 10-fold cross-validated R-2 of 0.70, this model presented a mid-high prediction performance level. Moreover, during the stepwise selection procedures, the number of temples, cemeteries, and crematoriums was selected as an important predictor. By using the long-term monitoring data to establish an LUR model with culture specific predictors, this model can better depict O-3 concentration variation in Asian areas.
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