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

Andronache C. | Zendy; Donner L. J. | Zendy; Ramaswamy V. | Zendy; Seman C. J. | Zendy; Hemler R. S. | Zendy

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

Author(s) -

Andronache C.,

Donner L. J.,

Ramaswamy V.,

Seman C. J.,

Hemler R. S.

Publication year - 1998

Publication title -

geophysical research letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.007

H-Index - 273

eISSN - 1944-8007

pISSN - 0094-8276

DOI - 10.1029/98gl01028

Subject(s) - atmosphere (unit) , sulfate , environmental science , atmospheric sciences , shortwave , radiative transfer , atmospheric model , convection , earth's energy budget , climatology , cloud physics , meteorology , geology , cloud computing , physics , radiation , chemistry , quantum mechanics , organic chemistry , computer science , operating system

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.

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