Contribution of organic carbon to wood smoke particulate matter absorption of solar radiation

  title={Contribution of organic carbon to wood smoke particulate matter absorption of solar radiation},
  author={Thomas W. Kirchstetter and Tracy L. Thatcher},
A spectroscopic analysis of 115 wintertime particulate matter samples collected in rural California shows that wood smoke absorbs solar radiation with a strong spectral selectivity. This is consistent with prior work that has demonstrated that organic carbon (OC), in addition to black carbon (BC), appreciably absorbs solar radiation in the visible and ultraviolet spectral regions. We apportion light absorption to OC and BC and find that the absorption Å gstr̈om exponent of the light-absorbing… CONTINUE READING
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