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Article Dans Une Revue Geophysical Research Letters Année : 2005

Evaluation of long-term tropospheric NO2 data obtained by GOME over East Asia in 1996-2002

Résumé

Long-term tropospheric nitrogen dioxide (NO2) column data obtained by the Global Ozone Monitoring Experiment (GOME) (G-NO2) are evaluated to confirm the trends found in tropospheric NO2 abundances over East Asia between 1996 and 2002. For three locations in Central and East Asia, the G-NO2 values are compared with tropospheric columns estimated from coincident observations of total NO2 by ground-based UV/visible spectrometers and stratospheric NO2 by satellite solar occultation sensors (E-NO2). The comparisons show a slight linear drift in G-NO2 data from 1996 to 2002. However, it is much smaller than the standard deviation of the differences between G-NO2 and E-NO2 and much smaller than the increasing trends in NO2 seen by GOME over the industrial areas of China, demonstrating the validity of the trends estimated using the GOME data.
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Dates et versions

hal-00068749 , version 1 (21-01-2016)

Identifiants

Citer

H. Irie, K. Sudo, H. Akimoto, A. Richter, J.-P. Burrows, et al.. Evaluation of long-term tropospheric NO2 data obtained by GOME over East Asia in 1996-2002. Geophysical Research Letters, 2005, 32, pp.L11810. ⟨10.1029/2005GL022770⟩. ⟨hal-00068749⟩
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