The influence of environmental conditions (vegetation, temperature, equator, and elevation) on tropospheric nitrogen dioxide in urban areas in Indonesia

A. D. Syafei, T. D. Irawandani, R. Boedisantoso, A. F. Assomadi, A. Slamet, J. Hermana

Research output: Contribution to journalConference articlepeer-review

1 Citation (Scopus)

Abstract

Nitrogen dioxide (NO2) is one important species in the tropospheric layer that has a contribution towards air quality. In urban areas in Indonesia, urbanization and growing industrial activities have increased rapidly, which may have affected tropospheric NO2. This study investigates the effect of green spaces and other environmental variables (e.g., temperature, city, distance from the equator) had on tropospheric NO2 in over thirty (30) urban areas in Indonesia between 2007 to 2016. Data on land cover were obtained from Google Earth's satellite imagery data, tropospheric NO2 readings came from Metop-A, and information on temperature was obtained from the Terra MODIS satellite. Our results show an annual decrease in green space over 10 years in all urban areas except Surabaya. Multiple linear regression analysis also reveals that a decline in vegetation decreases tropospheric NO2 significantly. Other influential environmental factors are surface temperature and distance to the equator. Despite a promising model being obtained from this study, adding variables is important to improve the forecasting.

Original languageEnglish
Article number012034
JournalIOP Conference Series: Earth and Environmental Science
Volume303
Issue number1
DOIs
Publication statusPublished - 2 Aug 2019
Event1st International Conference on Tropical Meteorology and Atmospheric Science, ICTMAS 2018 - Bandung, West Java, Indonesia
Duration: 19 Sept 201820 Sept 2018

Keywords

  • Green space
  • Metop-A
  • Tropospheric NO2
  • Urban area

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