Publication Abstracts

Li et al. 2010

Li, L., B.J. Conrath, P.J. Gierasch, R.K. Achterberg, C.A. Nixon, A.A. Simon-Miller, F.M. Flasar, D. Banfield, K.H. Baines, R.A. West, A.P. Ingersoll, A.R. Vasavada, A.D. Del Genio, C.C. Porco, A.A. Mamoutkine, M.E. Segura, G.L. Bjoraker, G.S. Orton, L.N. Fletcher, P.G.J. Irwin, and P.L. Read, 2010: Saturn's emitted power. J. Geophys. Res., 115, E11002, doi:10.1029/2010JE003631.

Long-term (2004-2009) on-orbit observations by Cassini/CIRS are analyzed to precisely measure Saturn's emitted power and its meridional distribution. Our evaluations suggest that the average global emitted power is 4.952±0.035 W/m2 during the period of 2004-2009. The corresponding effective temperature is 96.67±0.16 K. The emitted power is 16.6% higher in the southern hemisphere than in the northern hemisphere. From 2005 to 2009, the global mean emitted power and effective temperature decreased by ∼2% and ∼0.5%, respectively. Our study further reveals the inter-annual variability of emitted power and effective temperature between the epoch of Voyager (∼one Saturn year ago) and the current epoch of Cassini, suggesting changes in the cloud opacity from year to year on Saturn. The seasonal and inter-annual variability of emitted power implies that the energy balance and internal heat are also varying.

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BibTeX Citation

@article{li01500p,
  author={Li, L. and Conrath, B. J. and Gierasch, P. J. and Achterberg, R. K. and Nixon, C. A. and Simon-Miller, A. A. and Flasar, F. M. and Banfield, D. and Baines, K. H. and West, R. A. and Ingersoll, A. P. and Vasavada, A. R. and Del Genio, A. D. and Porco, C. C. and Mamoutkine, A. A. and Segura, M. E. and Bjoraker, G. L. and Orton, G. S. and Fletcher, L. N. and Irwin, P. G. J. and Read, P. L.},
  title={Saturn's emitted power},
  year={2010},
  journal={J. Geophys. Res.},
  volume={115},
  pages={E11002},
  doi={10.1029/2010JE003631},
}

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RIS Citation

TY  - JOUR
ID  - li01500p
AU  - Li, L.
AU  - Conrath, B. J.
AU  - Gierasch, P. J.
AU  - Achterberg, R. K.
AU  - Nixon, C. A.
AU  - Simon-Miller, A. A.
AU  - Flasar, F. M.
AU  - Banfield, D.
AU  - Baines, K. H.
AU  - West, R. A.
AU  - Ingersoll, A. P.
AU  - Vasavada, A. R.
AU  - Del Genio, A. D.
AU  - Porco, C. C.
AU  - Mamoutkine, A. A.
AU  - Segura, M. E.
AU  - Bjoraker, G. L.
AU  - Orton, G. S.
AU  - Fletcher, L. N.
AU  - Irwin, P. G. J.
AU  - Read, P. L.
PY  - 2010
TI  - Saturn's emitted power
JA  - J. Geophys. Res.
VL  - 115
SP  - E11002
DO  - 10.1029/2010JE003631
ER  -

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