An interface for simulating radiative transfer in and around volcanic plumes with the Monte Carlo radiative transfer model McArtim
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Abstract
This report describes two software tools that, when used as front ends for the three-dimensional backward Monte Carlo atmospheric-radiative-transfer model (RTM) McArtim, facilitate the generation of lookup tables of volcanic-plume optical-transmittance characteristics in the ultraviolet/visible-spectral region. In particular, the differential optical depth and derivatives thereof (that is, weighting functions), with regard to a change in SO2 column density or aerosol optical thickness, can be simulated for a specific measurement geometry and a representative range of plume conditions. These tables are required for the retrieval of SO2 column density in volcanic plumes, using the simulated radiative-transfer/differential optical-absorption spectroscopic (SRT-DOAS) approach outlined by Kern and others (2012). This report, together with the software tools published online, is intended to make this sophisticated SRT-DOAS technique available to volcanologists and gas geochemists in an operational environment, without the need for an indepth treatment of the underlying principles or the low-level interface of the RTM McArtim.
Suggested Citation
Kern, Christoph, 2016, An interface for simulating radiative transfer in and around volcanic plumes with the Monte Carlo radiative transfer model McArtim: U.S. Geological Survey Open-File Report 2016–1045, 18 p., http://dx.doi.org/10.3133/ofr20161045.
ISSN: 2331-1258 (online)
Table of Contents
- Abstract
- Introduction
- LT-Builder
- RTVP
- Conclusions
- Acknowledgments
- References Cited
Publication type | Report |
---|---|
Publication Subtype | USGS Numbered Series |
Title | An interface for simulating radiative transfer in and around volcanic plumes with the Monte Carlo radiative transfer model McArtim |
Series title | Open-File Report |
Series number | 2016-1045 |
DOI | 10.3133/ofr20161045 |
Year Published | 2016 |
Language | English |
Publisher | U.S. Geological Survey |
Publisher location | Reston, VA |
Contributing office(s) | Volcano Science Center |
Description | iv, 18 p. |
Online Only (Y/N) | Y |
Additional Online Files (Y/N) | N |
Google Analytic Metrics | Metrics page |