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Author: Antonio Da Roza

Date: 5/8/10


Patterns of pollutant concentrations on very high pollution days show sharp divergent trends, with the slope of the trend changing rapidly within an hour or two. [1]
39ConduitRoad-02

Street canyons in Hong Kong obscured by haze (15/10/09) - Alex Hofford (www.alexhofford.com)


Under typical urban conditions common in Hong Kong, the street canyon effect works to potentiate pollutant build-up during peak traffic periods. [2]

Footnote

  1. ‘The Sustainable Development Council Invitation and Response Document: Clean Air-Clear Choices - Will High Air Pollution Alert Days provide an efficient path to health protection?’, Department of Community Medicine, HKU, The Air Quality Objective Concern Group - last accessed 7/8/10
  2. ‘Air Pollution: costs and paths to a solution’, Department of Community Medicine, HKU, Department of Community and Family Medicine, CUHK, Institute for the Environment, HKUST, Civic Exchange, June 2006 - last accessed 7/8/10

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