The effects of atmospheric sulfur on the radiative properties of convective clouds: a limited area modeling study

C. Andronache, L. J. Donner, Venkatachalam Ramaswamy, C. J. Seman, R. S. Hemler

Research output: Contribution to journalArticle

1 Scopus citations

Abstract

Convective clouds in tropical areas can be sensitive to the atmospheric sulfate loading, particularly during enhanced sulfate episodes. This assertion is supported by simulations with a high resolution limited area non-hydrostatic model (LAN) employing a detailed sulfate-cloud microphysics scheme, applied to estimate the effects of sulfate on convective clouds in a case study from the Tropical Ocean Global Atmosphere Coupled Ocean Atmosphere Response Experiment (TOGA COARE). Results show that a change in sulfate loading for scenarios using the minimum to the maximum observed values produces a change in the average net flux of shortwave radiation above clouds. This time-average change was estimated between -1.1 and -0.3 Wm -2 over the integration domain.

Original languageEnglish (US)
Pages (from-to)1423-1426
Number of pages4
JournalGeophysical Research Letters
Volume25
Issue number9
DOIs
StatePublished - May 1 1998

All Science Journal Classification (ASJC) codes

  • Geophysics
  • Earth and Planetary Sciences(all)

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