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Retrieval and Interpretation of Tropospheric Observations from GOME Randall Martin Daniel Jacob Paul Palmer Sushil Chandra Jerry Ziemke Mian Chin Kelly.

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Presentation on theme: "Retrieval and Interpretation of Tropospheric Observations from GOME Randall Martin Daniel Jacob Paul Palmer Sushil Chandra Jerry Ziemke Mian Chin Kelly."— Presentation transcript:

1 Retrieval and Interpretation of Tropospheric Observations from GOME Randall Martin Daniel Jacob Paul Palmer Sushil Chandra Jerry Ziemke Mian Chin Kelly Chance Thomas Kurosu Robert Spurr

2 RETRIEVAL OF BrO DURING SPRING SHOWS REGIONAL EPISODIC TROPOSPHERIC OZONE DESTRUCTION Kelly Chance

3 INTEGRATED ANALYSIS OVER AMAZON DURING OCTOBER GOME HCHOGOME NO 2 ATSR FIRECOUNTS

4 AEROSOLS DECREASE GOME SENSITIVITY TO NO 2 BY MORE THAN 30% OVER BIOMASS BURNING REGIONS Based on aerosol fields from the GOCART model [Chin et al., 2002] Calculated with LIDORT model [Spurr et al., 2001] NO 2 profiles from GEOS-CHEM

5 GOME Tropospheric NO 2 GEOS-CHEM Tropospheric NO 2 10 15 molecules cm -2 DJF MAM JJA SON r = 0.75 bias=5%

6 GOME / GEOS-CHEM TROPOSPHERIC NO 2 COLUMNS OVER REGIONS THAT EXCEED THE RETRIEVAL UNCERTAINTY DJF JJA MAM SON

7 ANNUAL MEAN SURFACE NO X EMISSIONS 36.6 37.3 Tg N yr -1

8 TROPOSPHERIC OZONE DETERMINED FROM TOMS/MLS SUGGESTS GEOS-CHEM NO X EMISSIONS HIGH OVER INDIA Dobson Units for March, April, May TOMS/MLS Chandra et al. [2002] GEOS-CHEM

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