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- Title
Simulation model of Reactive Nitrogen Species in an Urban Atmosphere using a Deep Neural Network: RNDv1.0.
- Authors
Gil, Junsu; Lee, Meehye; Kim, Jeonghwan; Lee, Gangwoong; Ahn, Joonyoung; Kim, Cheol-Hee
- Abstract
Nitrous acid (HONO) plays an important role in the formation of ozone and fine aerosols in the urban atmosphere. In this study, a new simulation approach is presented to calculate the HONO mixing ratios using a deep neural technique based on measured variables. The Reactive Nitrogen Species using a Deep Neural Network (RND) simulation is implemented in Python. The first version of RND (RNDv1.0) is trained, validated, and tested with HONO measurement data obtained in Seoul, South Korea, from 2016 to 2021. RNDv1.0 is constructed using k -fold cross validation and evaluated with index of agreement, correlation coefficient, root mean squared error, and mean absolute error. The results show that RNDv1.0 adequately represents the main characteristics of the measured HONO, and it is thus proposed as a supplementary model for calculating the HONO mixing ratio in a polluted urban environment.
- Subjects
SEOUL (Korea); REACTIVE nitrogen species; STANDARD deviations; NITROUS acid; SIMULATION methods &; models; ATMOSPHERE
- Publication
Geoscientific Model Development, 2023, Vol 16, Issue 17, p5251
- ISSN
1991-959X
- Publication type
Article
- DOI
10.5194/gmd-16-5251-2023