Present-day variability of background ozone
in the lower troposphere

05/06/2001


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Table of Contents

Title of Paper

The Approach

North America Map

Northern Europe Map

Yellowstone, WY

North America Slide

Northern Europe Slide

Northern Europe Data

Background Ozone

Findings

Findings (Continued)

Author of Presentation: Allen S. Lefohn,
A.S.L. & Associates, Helena, Montana

Email: asl@attglobal.net