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CEPEX: NASA ER-2 Water Ozone Experiment (WOX) Data


This dataset contains ozone measurements from the Harvard University Water Ozone Experiment (WOX) aboard the ER-2 for 9 missions during CEPEX. The ozone instrument determined ozone by measuring the absorption of 253.7 nanometer radiation. Ambient air was alternately drawn through a scrubber that chemically removed ozone to determine a reference signal. The ozone signal was determined with ambient air flowing through the detection cell. Ozone concentration was then determined using Beer's law. Units are ppbv. Principal Investigators were Weinstock, Dessler, Hintsa, and Anderson (Harvard Univ).

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Additional information

Data Quality final
  • 1.0 (2006-07-26)
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Related projects
Spatial Type point
Frequency 1 second
Language English
GCMD Science Keywords Expand keywords
Related links

Temporal coverage

Begin datetime 1993-03-17 00:00:00
End datetime 1993-04-05 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 20.00, Minimum (South) Latitude: -20.00
Minimum (West) Longitude: -140.00, Maximum (East) Longitude: 140.00

Primary point of contact information

EOL Data Support <>

Additional contact information


Weinstock, E., et al. 2006. CEPEX: NASA ER-2 Water Ozone Experiment (WOX) Data. Version 1.0. UCAR/NCAR - Earth Observing Laboratory. Accessed 18 Jul 2024.

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