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Ice in the 1994 Rabaul eruption cloud: implications for volcano hazard and atmospheric effects.

Author(s) : ROSE W. I., DELENE D. J., SCHNEIDER D. J., BLUTH G. J. S., KRUEGER A. J., SPROD I., MCKEE C., DAVIES H. L., ERNST G. G.

Type of article: Article

Summary

The paper reports the detection, using a satellite-borne infrared sensor, of less or as much as 2 million tonnes of ice in the cloud produced by the September 1994 eruption of Rabaul volcano, in Papua New Guinea. The unusual aspects of this cloud may be related to the entry of sea water into the volcanic vent, and its participation in the eruption column. The presence of ice may decrease the residence time of ash and sulphur in the atmosphere. In addition, the ability of ice to mask the characteristic spectral signature of volcanic ash will increase the difficulty of designing airborne ash detection systems for aviation safety.

Details

  • Original title: Ice in the 1994 Rabaul eruption cloud: implications for volcano hazard and atmospheric effects.
  • Record ID : 1996-1920
  • Languages: English
  • Subject: Environment, General information
  • Source: Nature - vol. 375 - n. 6531
  • Publication date: 1995/06/08
  • Document available for consultation in the library of the IIR headquarters only.

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