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Retrieval and Interpretation of Tropospheric Retrieval and Interpretation of Tropospheric Observations from GOMEObservations from GOME
Randall Martin Daniel Jacob Paul Palmer
Sushil Chandra Jerry Ziemke Mian Chin
Kelly Chance Thomas Kurosu Robert Spurr
RETRIEVAL OF BrO DURING SPRING SHOWS REGIONAL RETRIEVAL OF BrO DURING SPRING SHOWS REGIONAL EPISODIC TROPOSPHERIC OZONE DESTRUCTIONEPISODIC TROPOSPHERIC OZONE DESTRUCTION
Kelly Chance
INTEGRATED ANALYSIS OVER AMAZON DURING OCTOBERINTEGRATED ANALYSIS OVER AMAZON DURING OCTOBER
GOME HCHO GOME NO2
ATSR FIRECOUNTS
AEROSOLS DECREASE GOME SENSITIVITY TO NOAEROSOLS DECREASE GOME SENSITIVITY TO NO22 BY BY
MORE THAN 30% OVER BIOMASS BURNING REGIONSMORE 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]
NO2 profiles from GEOS-CHEM
GOME Tropospheric NO2 GEOS-CHEM Tropospheric NO2
1015 molecules cm-2
DJF
MAM
JJA
SON
r = 0.75 bias=5%
GOME / GEOS-CHEM TROPOSPHERIC NOGOME / GEOS-CHEM TROPOSPHERIC NO22 COLUMNS OVER COLUMNS OVER
REGIONS THAT EXCEED THE RETRIEVAL UNCERTAINTYREGIONS THAT EXCEED THE RETRIEVAL UNCERTAINTY
DJF JJA
MAM SON
ANNUAL MEAN SURFACE NOANNUAL MEAN SURFACE NOXX EMISSIONS EMISSIONS
36.6
37.3
Tg N yr-1
TROPOSPHERIC OZONE DETERMINED FROM TOMS/MLS TROPOSPHERIC OZONE DETERMINED FROM TOMS/MLS SUGGESTS GEOS-CHEM NOSUGGESTS GEOS-CHEM NOXX EMISSIONS HIGH OVER INDIA EMISSIONS HIGH OVER INDIA
Dobson Units for March, April, May
TOMS/MLS Chandra et al. [2002]
GEOS-CHEM