The polar contribution to the heat flow of Io

Details The polar contribution to the heat flow of Io The polar contribution to the heat flow of Io

May 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004icar..169..264v&link_type=abstract

Icarus, Volume 169, Issue 1, p. 264-270.

Computer Science

15

Io, Volcanism, Thermal, Infrared

Scientific paper

Polar brightness temperatures on Io are higher than expected for any passive surface heated by absorbed sunlight. This discrepancy implies large scale volcanic activity from which we derive a new component of Io's heat flow. We present a `Three Component' thermal background, infrared emission model for Io that includes active polar regions. The widespread polar activity contributes an additional ~0.6 Wm-2 to Io's heat flow budget above the ~2.5 Wm-2 from thermal anomalies. Our estimate for Io's global average heat flow increases to ~3+/-1 Wm-2 and ~1.3+/-0.4×1014 watts total.

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