TY - JOUR T1 - Evidence of significant large‐scale impacts of boreal fires on ozone levels in the midlatitude Northern Hemisphere free troposphere JO - Geophysical Research Letters UR - https://doi.org/10.1029/2006gl025878 PY - 2006/05/27 AU - Lapina K AU - Honrath RE AU - Owen RC AU - Val Martín M AU - Pfister G ED - DO - DOI: 10.1029/2006gl025878 PB - American Geophysical Union (AGU) VL - 33 IS - 10 Y2 - 2025/12/02 ER -