Lava discharge rates from satellite-measured heat flux

Details Lava discharge rates from satellite-measured heat flux Lava discharge rates from satellite-measured heat flux

Oct 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009georl..3619302h&link_type=abstract

Geophysical Research Letters, Volume 36, Issue 19, CiteID L19302

Mathematics

Logic

9

Volcanology: Effusive Volcanism, Volcanology: Planetary Volcanism (5480, 6063, 8148), Volcanology: Remote Sensing Of Volcanoes, Volcanology: Instruments And Techniques

Scientific paper

A commonly used method to convert lava flow area to volume flux using low spatial resolution satellite data rests on two primary assumptions, that: (1) volume flux is related to flow area, and (2) lava surfaces cool exponentially with time and distance from the source. Field data show that both assumptions are valid. The ensuing relationship is an empirical one in which flow area is proportional to time-averaged discharge rate under given compositional, insulation, rheological and ambient conditions. Thus, the proportionality has to be determined depending on flow conditions, and the conversion set and applied on a case-by-case basis.

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