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

Pyle, J.A., Warwick, N.J., Harris, N.R.P., Abas, M.R., Archibald, A.T., Ashfold, M.J., Ashworth, K., Barkley, M.P., Carver, G.D., Chance, K., Dorsey, J.R., Fowler, D., Gonzi, S., Gostlow, B., Hewitt, C.N., Kurosu, T.P., Lee, J.D., Langford, S.B., Mills, G., Moller, S., Mackenzie, A.R., Manning, A.J., Misztal, P., Nadzir, M.S.M., Nemitz, E., Newton, H.M., O'Brien, L.M., Ong, S., Oram, D., Palmer, P.I., Peng, L.K., Phang, S.M., Pike, R., Pugh, T.A.M., Rahman, N.A., Robinson, A.D., Sentian, J., Samah, A.A., Skiba, U., Ung, H.E., Yong, S.E. and Young, P.J. (2011) The impact of local surface changes in Borneo on atmospheric composition at wider spatial scales: Coastal processes, land-use change and air quality. Philosophical Transactions of the Royal Society B: Biological Sciences, 366 (1582). pp. 3210-3224. ISSN 0962-8436

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Abstract

We present results fromtheOP3 campaign in Sabah during 2008 that allowus to study the impact of localemission changes over Borneo on atmospheric composition at the regional andwider scale. OP3 constituentdata provide an important constraint onmodel performance. Treatment of boundary layer processes is highlighted as an important area of model uncertainty.Model studies of land-use change confirm earlierwork, indicating that further changes to intensive oil palm agriculture in South EastAsia, and the tropics ingeneral, could have important impacts on air quality, with the biggest factor being the concomitantchanges in NO emissions. With the model scenarios used here, local increases in ozone of around 50per cent could occur. We also report measurements of short-lived brominated compounds aroundSabah suggesting that oceanic (and, especially, coastal) emission sources dominate locally. The concentrationof bromine in short-lived halocarbons measured at the surface during OP3 amounted to about7 ppt, setting an upper limit on the amount of these species that can reach the lower stratosphere.

Item Type: Article
Faculty \ School: Faculty of Science > School of Environmental Sciences
Related URLs:
Depositing User: Pure Connector
Date Deposited: 09 Jun 2014 21:34
Last Modified: 07 May 2020 23:48
URI: https://ueaeprints.uea.ac.uk/id/eprint/48358
DOI: 10.1098/rstb.2011.0060

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