====== SHARP - Study of Houston Atmospheric Radical Precursors ======

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Campaign Intensive Dates 15 April – 31 May, 2009 

Based on the TexAQS-II and TRAMP findings concerning radical processes in the Houston atmosphere, the SHARP project intends to investigate the following processes: 

  - The contribution of direct emissions of radical precursors HCHO and HONO from flares, stacks, and other point and mobile sources.
  - The identification of formation pathways of HONO (Night/Day, surface, heterogeneous, homogenous).
  - Impact of of soot (fresh and coated) on chemistry, radiation (photochemistry/climate), and dynamics.
  - The ambient levels of ClNO<sub>2</sub> in Houston and potential as a radical source.
  - The relative importance of measured radicals and other "missing" radical sources.
  - Identify important Springtime ozone formation mechanisms in Houston.

Reducing uncertainties surrounding these processes will improve our ability to model radicals and ozone formation.



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