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Updated version of an algorithm for tephra isopach, extent and volume calculation in R
18 Oct 2016 | Contributor(s):: Marcus I Bursik, Qingyuan Yang
We have updated an algorithm that aids in isopach construction, and volume and extent calculation of tephra fall deposits. The program is written in R. Documentation has been improved, and we now include example datasets for the North Mono eruption and Fogo A. The algorith and...
Tephra isopach, extent and volume calculation in R
out of 5 stars
04 Mar 2016 | Contributor(s):: Qingyuan Yang, Marcus I Bursik
The method presented here is used to interpolate the thickness distribution of tephra fall deposits from point measurements. It first reconstructs the general thickness decay pattern, or "trend," and then models the residuals that cannot be explained by the trend with...
Isopach Map Dif Coef 1500
27 May 2013 | Contributor(s):: Milton Ivan Ordoñez
Mapa de isopacas de la erupcion del volcán Nevado del Ruiz, coeficiente de difusion 1500
Mapa de Isopacas Coefi_dif_1500
27 May 2013 | Contributor(s):: Paola Andrea Narvaez
Mapa de Isopacas donde se ha cambiado el valor de coeficiente de difusión a 1500.Los datos se refieren a la erupción del Volcán Nevado del Ruiz del 13 de nov. de 1985.
Natural Hazards Tephra Fallout Lab
04 Mar 2011 | | Contributor(s):: Leah Michelle Courtland
This lab walks students through using the tephra2 education graphical user interface (gui) to investigate tephra fallout at Colima volcano. By the end of this lab, students should be able to:•understand that every volcanic event is different and so produces a unique deposit•convert from units of...
20 Apr 2010 | | Contributor(s):: Costanza Bonadonna, Laura Connor, Chuck B Connor, Leah Michelle Courtland
Tephra2 uses the advection diffusion equation to forecast tephra dispersion in a given location based on a user-defined set of eruptive conditions.