2nd Year Progress Report submitted to GACP The Direct Radiative Forcing of Biomass Burning Aerosols: Investigations during SCAR-B and ZIBBEE Principal Investigator

  • Sundar A. Christopher
  • Co-investigators Brent Holben
  • Thomas Eck
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Publication date
August 2015

Abstract

Using high temporal resolution (half-hourly) GOES-8 imager data and radiative transfer calculations, smoke aerosol optical thickness (τ) is retrieved over selected sites in South America and Central America. The degradation of the signal response in GOES-8 visible channel is estimated and the satellite-retrieved τ values are then compared against ground-based sunphotometer measurements. The satellite-retrieved values are in good agreement with ground-based measurement sites over South America with mean linear correlation coefficients of 0.97. Over Central America the mean correlation coefficient is 0.80. A single scattering albedo of 0.90 (at 0.67 µm) yields the best agreement between measured and calculated values that is consistent with p...

Extracted data

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