Download - Are Sulfur Aerosols a Soluon The Faint Young Sun Paradox? · 60km- 40 km— sos 1 coS04 cos Fesz Fig. 1: Sulfur photochemistry on Venus (Prinn and Fegley, 1987)

AreSulfurAerosolsaSolu,onTheFaintYoungSunParadox?MeganSmith

PennState/UofWashington

BACKGROUND:

PreviousresearchbyKas,ngetal.(1989)provesthatS8,astrongabsorberinthenearultraviolet,couldhaveformedanultravioletshieldintheanoxicatmosphereoftheearlyEarth.

Itislikelythatamorphoussulfur(S3,S4)wouldhavebeenintheatmosphere,too.

Ques%on:CanatmosphericsulfuraerosolswarmthesurfaceoftheearlyEarth,andthussolvethefaintyoungSunparadox?

METHODSRESULTS

CONCLUSION

Sulfuraerosolsdonotwarmthesurface!Moreresearchshouldbedone.*greenhousegases*par,clesizedistribu,on

Calculatethepar,cleproper,esforbothS8andamorphoussulfur(S3,S4)andtheninserttheminto1‐Dphotochemicalandclimatemodels.

Download - Are Sulfur Aerosols a Soluon The Faint Young Sun Paradox? · 60km- 40 km— sos 1 coS04 cos Fesz Fig. 1: Sulfur photochemistry on Venus (Prinn and Fegley, 1987)

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