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Subsonic Assessment: Ozone and Nitrogen Oxide Experiment (SONEX) Data Archive

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Abstract: SONEX was conducted to understand a variety of NOx sources including the current subsonic aircraft fleet in the North Atlantic, with and without convection. To improve the models and our understanding, Photochemistry was collected to determine the impact of subsonic aircraft emissions on Tropospheric NOx and Ozone budgets.

The experiment took place October - November 1997 from Bangor, Maine; Shannon, Ireland; and, Azores, Portugal.
Related URL
Description: Access to SONEX data and images

Geographic Coverage
Spatial coordinates   
  N: 55.49   S: 51.23   E: -5.62   W: -10.52
  N: 47.67   S: 42.85   E: -66.74   W: -71.31
  N: 38.0   S: 38.0   E: -21.0   W: -21.0

Data Set Citation
Dataset Originator/Creator: SONEX Team
Dataset Title: Subsonic Assessment: Ozone and Nitrogen Oxide Experiment (SONEX) Data Archive
Dataset Release Place: CA
Dataset Publisher: NASA/ARC/ESPO
Online Resource:
Temporal Coverage
Start Date: 1997-10-07
Stop Date: 1997-11-10
Data Set Progress
Originating Center
Data Center
Earth Science Project Office, Earth Sciences Division, Ames Research Center, NASA Supplemental Info
Data Center URL:
Dataset ID: SONEX

Data Center Personnel
Email: michael.s.craig at
Contact Address:
NASA Ames Research Center
Distribution Media: online ftp
Fees: None
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2003-05-14
Last DIF Revision Date: 2017-08-24