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27 August 2008Example applications of the MISR INteractive eXplorer (MINX) software tool to wildfire smoke plume analyses
The Multi-angle Imaging SpectroRadiometer (MISR) instrument aboard Terra acquires imagery at 275-m resolution at
nine angles ranging from 0° to 70° off-nadir. This multi-angle capability facilitates the stereoscopic retrieval of smoke
heights associated with near-source plumes. A new visualization and analysis program called MISR INteractive eXplorer
(MINX) takes advantage of wind-direction information inherent in smoke plumes from active fires to determine plume
heights and wind speeds at higher resolution and with greater accuracy than provided by the standard, operational MISR
product. Among the software tool's many features are several designed for in-depth study of plumes, including
animations of the nine MISR camera images that provide a visual 3-D perspective, and interactive digitization of plumes
in order to automatically retrieve heights and winds. Aerosol properties from MISR, and fire power based on infrared
brightness temperatures from MODIS (also on Terra) are archived along with the retrieved height and wind data. MINX
retrievals have sufficient spatial detail to provide valuable input to studies of plume dynamics as well as large-scale
climatological studies. Current efforts are focusing on fires in North America, but application to other areas of the world
is also envisioned. Case study examples will be presented to illustrate MINX capabilities.
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David L. Nelson, Yang Chen, Ralph A. Kahn, David J. Diner, Dominic Mazzoni, "Example applications of the MISR INteractive eXplorer (MINX) software tool to wildfire smoke plume analyses," Proc. SPIE 7089, Remote Sensing of Fire: Science and Application, 708909 (27 August 2008); https://doi.org/10.1117/12.795087