DISCOVER-AQ Houston TOPAZ Data
September 9, 2013
September 9. Monday.
TOPAZ data were collected from about 2000 to 2040 CDT to coincide with the DC-8 overflights. The DC-8 overflew La Porte airport at 2024 CDT from N to S at an altitude of 15000' and then made an E-W pass a few kilometers north of La Porte airport at 2038 CDT at 2000' on its approach to Ellington airport. O3 values measured with TOPAZ were around 35 ppbv in the lowest few hundred meters with an O3 layer of 50 - 65 ppbv aloft.
Note: Biases due to clouds have not yet been fully corrected.
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