1. PROJECT
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Title: Volcanic Ash Dosage and Risk Tool (VDART)
Dates: May 2023 - December 2023
Funding organisation: Lloyds Tercentenary Research Foundation

2. DATASET
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Title: Outputs from a volcanic ash transport and dispersion model (NAME) for the 2019 Raikoke eruption.

Description: 
This dataset contains the output of a volcanic ash transport and dispersion model (Numerical Atmospheric-dispersion Modelling Environment - NAME) simulations of the 2019 Raikoke eruption. 

This set of simulations is used to investigate the impact of the structual choices made in the setup of NAME to along-flight peak ash concentration and dosage calculations. The following parameters are varied: temporal resolution, horizontal resolution and number of particles released per hour in the simulations.

Cite as: James, Lauren, Harvey, Natalie and Dacre, Helen (2023): Outputs from a volcanic ash transport and dispersion model (NAME) for the 2019 Raikoke eruption. University of Reading. Dataset. https://doi.org/10.17864/1947.000519 

Publication Year: 2023

Simulation data
Creator: Lauren James, Natalie Harvey, Helen Dacre 	
Organisation: University of Reading
Rights-holder: University of Reading


3. TERMS OF USE
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(C) University of Reading 2023. This dataset is licensed by the rights-holder under a Creative Commons Attribution 4.0 International Licence: https://creativecommons.org/licenses/by/4.0/. 

4. CONTENTS
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File listing

raikoke_structural_runs.tar.gz contains concentration output from NAME simulations for the 2019 eruption of Raikoke. The number in the directory name indicates the particle release rate used in the simulations. Within each of these directories there are outputs for the following spatial and temporal resolutions. 
Output times: 1hr, 2hr, 3hr, 6hr, 12hr, 24hr 
Horizontal resolution: 20km, 40km, 80km, 160km
All other input and model parameters are kept the same. 


5. METHOD and PROCESSING
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The method and processing used to create this data are described in Lauren James et al. (202X): How does model structural sensitivity effect volcanic ash dispersion and aviation hazard risk thresholds? ACP (In prep). The dispersion model data was created using NAME III Version 7.2. 

Full details of the NAME model can be found here:
Jones, A., Thomson, D., Hort, M., Devenish, B. The UK Met Offices next-generation atmospheric dispersion model, NAME III. In Air Pollution Modeling and its Application XVII; Springer, 2007; pp. 580-589. https://doi.org/10.1007/978-0-387-68854-1