Spring to Summer Transitions of Ozone and Its Precursors over North America and Photochemistry over Antarctica

The horizontal and vertical distributions of ozone and its precursors over North America during spring and summer are frequently determined by several factors: cloud convection, lightning NOx production, mixing depth, and long-range transport. The critical factors that contribute to the spatial dist...

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Bibliographic Details
Main Author: Choi, Yunsoo
Other Authors: Wang, Yuhang, Earth and Atmospheric Sciences, Black, Robert X., Cunnold, Derek, Nenes, Athanasios, Russell, Armistead (Ted)
Format: Doctoral or Postdoctoral Thesis
Language:unknown
Published: Georgia Institute of Technology 2007
Subjects:
NOX
CO
Satellite
North America
Photochemistry
Cloud convection
Lightning NOX
Soil NOX
Mixing depth
Long range transport
Stratospheric flux
Spring
Summer
Ozone
Antarctic
The Antarctic
Antarc*
Antarctica
Online Access:http://hdl.handle.net/1853/16130
Description
Summary:The horizontal and vertical distributions of ozone and its precursors over North America during spring and summer are frequently determined by several factors: cloud convection, lightning NOx production, mixing depth, and long-range transport. The critical factors that contribute to the spatial distribution of air pollutants are studied using the Regional chEmical trAnsport Model (REAM) with diverse satellite measurements as well as in-situ surface and aircraft measurements. Surface and aircraft measurements show a large amount of reactive nitrogen tracers over the Antarctic plateau during summer. These enhanced measurements are investigated, and their photochemical impact is accessed by 1-D CTM and REAM. Ph.D.

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