Rainfall-aerosol relationships explained by wet scavenging and humidity

@inproceedings{Grandey2014RainfallaerosolRE,
  title={Rainfall-aerosol relationships explained by wet scavenging and humidity},
  author={Benjamin S. Grandey and Anisha Gururaj and Patrick Stier and Theodoro Marcel Wagner},
  year={2014}
}
Relationships between precipitation rate and aerosol optical depth, the extinction of light by aerosol in an atmospheric column, have been observed in satellite-retrieved data. What are the reasons for these precipitation-aerosol relationships? We investigate relationships between convective precipitation rate (Rconv) and aerosol optical depth (τtot) using the ECHAM5-HAM aerosol-climate model. We show that negative Rconv-τtot relationships arise due to wet scavenging of aerosol. The apparent… CONTINUE READING

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