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The impact of local surface changes in Borneo on atmospheric composition at wider spatial scales: coastal processes, land-use change and air quality

Research output: Contribution to journalJournal article


  • J. A. Pyle
  • N. J. Warwick
  • N. R. P. Harris
  • Mohd Radzi Abas
  • A. T. Archibald
  • M. J. Ashfold
  • Kirsti Ashworth
  • Michael P. Barkley
  • G. D. Carver
  • K. Chance
  • J. R. Dorsey
  • D. Fowler
  • S. Gonzi
  • B. Gostlow
  • T. P. Kurosu
  • J. D. Lee
  • Ben Langford
  • S. Moller
  • A. J. Manning
  • P. Misztal
  • Mohd Shahrul Mohd Nadzir
  • Eiko Nemitz
  • L. M. O'Brien
  • Simon Ong
  • David Oram
  • P. I. Palmer
  • Leong Kok Peng
  • Seiw-Moi Phang
  • R. Pike
  • T. A. M. Pugh
  • Noorsaadah Abdul Rahman
  • A. D. Robinson
  • Justin Sentian
  • Azizan Abu Samah
  • U. Skiba
  • Huan Eng Ung
  • Sei Eng Yong
Journal publication date27/11/2011
JournalPhilosophical Transactions B: Biological Sciences
Number of pages15
Original languageEnglish


We present results from the OP3 campaign in Sabah during 2008 that allow us to study the impact of local emission changes over Borneo on atmospheric composition at the regional and wider scale. OP3 constituent data provide an important constraint on model performance. Treatment of boundary layer processes is highlighted as an important area of model uncertainty. Model studies of land-use change confirm earlier work, indicating that further changes to intensive oil palm agriculture in South East Asia, and the tropics in general, could have important impacts on air quality, with the biggest factor being the concomitant changes in NOx emissions. With the model scenarios used here, local increases in ozone of around 50 per cent could occur. We also report measurements of short-lived brominated compounds around Sabah suggesting that oceanic (and, especially, coastal) emission sources dominate locally. The concentration of bromine in short-lived halocarbons measured at the surface during OP3 amounted to about 7 ppt, setting an upper limit on the amount of these species that can reach the lower stratosphere.