Publications (1-2 of 2)

1. Workshop on Wind-remobilisation processes of volcanic ash, Consensual Document

   out of 5 stars 

   20 Feb 2020 | Contributor(s):: Costanza Bonadonna, Paul A Jarvis, Lucia Dominguez, Corine Frischknecht, Pablo Forte, Donaldo Bran, Rigoberto Aguilar, Frances Beckett, Manuela Elissondo, Jack Gillies, ulrich kueppers, Jonathan Merrison, Nick Varley, Kristi L Wallace

   Explosive volcanic eruptions can eject large quantities of tephra into the atmosphere that can be dispersed and deposited over wide areas. Whilst the hazardous consequences of primary tephra fallout are well known, subsequent remobilisation of ash by aeolian processes can continue to present an...

2. Sequential fragmentation/transport model applied to Irazu volcano, Costa Rica. Positive dispersion case

   out of 5 stars 

   21 Mar 2015 | Contributor(s):: Jose Brenes

   Sequential fragmentation/transport model was applied to ash deposits of 1723 eruption of  Irazu volcano, Costa Rica.  Some 25% of the sub-populations showed positive dispersion values, which were associated to a new fractal dimension,. With the help of Mandelbrot fractal relationship...