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Rainfall-aerosol relationships explained by wet scavenging and humidity

Abstract:

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 R conv-τtot relationships arise due to wet scavenging of aerosol. The apparent...

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Publication status:
Published

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Publisher copy:
10.1002/2014GL060958

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Atmos Ocean and Planet Physics
Role:
Author
Publisher:
Blackwell Publishing Ltd
Journal:
GEOPHYSICAL RESEARCH LETTERS
Volume:
41
Issue:
15
Pages:
5678-5684
Publication date:
2014-08-16
DOI:
EISSN:
1944-8007
ISSN:
0094-8276
URN:
uuid:65fa4867-aa96-4017-84fe-64eb923f9014
Source identifiers:
481234
Local pid:
pubs:481234

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