Articles | Volume 11, issue 11
Research article
21 Nov 2018
Research article |  | 21 Nov 2018

The impact of MISR-derived injection height initialization on wildfire and volcanic plume dispersion in the HYSPLIT model

Charles J. Vernon, Ryan Bolt, Timothy Canty, and Ralph A. Kahn

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Cited articles

Colarco, P. R., Schoeberl, M. R., Doddridge, B. G., Marufu, L. T., Torres, O., and Welton, E. J.: Transport of smoke from Canadian forest fires to the surface near Washington, D.C.: Injection height, entrainment, and optical properties, J. Geophys. Res., 109, 2156–2202,, 2004. 
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Flower, V. and Kahn, R.A.: Assessing the altitude and dispersion of volcanic plumes using MISR multi-angle imaging: Sixteen years of volcanic activity in the Kamchatka Peninsula, Russia, J. Volcanol. Geoth. Res., 337, 1–15, 2017. 
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Short summary
The height that aerosols are injected into the atmosphere can significantly impact the dispersion of aerosol plumes. We use direct observations from the MISR instrument to determine aerosol injection height and constrain the HYSPLIT Dispersion model with these data. We have shown that the nominal plume-rise calculation within HYSPLIT tends to underestimate injection heights of wildfires and that simulations constrained with MISR injection height can show better agreement with MODIS observations.