Visibility Analysis of Class I Areas Using Multiple Satellite Products &
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Visibility Analysis of Class I Areas Using Multiple Satellite Products & In-Situ Ground Based Measurements. Nikisa Jordan (1) , Jill Engel-Cox (2,1) , Raymond Hoff (1) , Kevin McCann (1) , Kamonayi Mubenga (1)

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Visibility Analysis of Class I Areas Using Multiple Satellite Products & In-Situ Ground Based Measurements

Nikisa Jordan(1), Jill Engel-Cox(2,1), Raymond Hoff(1), Kevin McCann(1), Kamonayi Mubenga(1)

(1)CREST, Joint Center for Earth Systems Technology, University of Maryland Baltimore County, 1000 Hilltop Circle, Baltimore, MD, 21250 email: [email protected]

(2)Battelle Memorial Institute, 2101 Wilson Boulevard, Suite 800,

Arlington, VA 22201email: [email protected]


Objective

Objective

  • Current methods & tools for studying visibility impairment involve

    • Ground-based back trajectory receptor models

    • Surface point measurements

  • This research offers a new approach of studying the sources of visibility degradation to Class I areas

    • Satellites can provide a better understanding of the pollutant source and, potentially, its concentration in protected sites.

  • Suites of satellite and ground-based measurements were used to provide an enhanced understanding of pollutant sources to protected areas


Data used

Data Used

  • In-Situ

    • IMPROVE surface monitors

    • National Park Service (NPS) Webcam images

    • EPA PM2.5 data was used in addition to IMPROVE aerosol data

    • NOAA Air Resources Laboratory (ARL) (HYbrid Single-Particle Lagrangian Integrated Trajectory) HYSPLIT model

  • Spaceborne

    • NASA MODerate Resolution Imaging Spectroradiometer (MODIS) true color images

    • NASA MODIS Aerosol Optical Depth (AOD)

    • NOAA GOES Aerosol & Smoke Product (GASP) AOD

    • NOAA Hazard Mapping System (HMS) Fire and Smoke Product


Objective

* Modified from Source: EPAhttp://www.epa.gov/air/visibility/monitor.html


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