Daniel J. Jacob, Professor of Atmospheric Chemistry

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Presentation transcript:

Daniel J. Jacob, Professor of Atmospheric Chemistry EARLY RESULTS FROM TES Daniel J. Jacob, Professor of Atmospheric Chemistry Harvard University TES Principal Investigator: Reinhard Beer, NASA/JPL

and the global impact of human activity TES is providing the first global data on tropospheric ozone including vertical profiles and gases that track ozone production These data enable a better understanding of the sources controlling ozone and the global impact of human activity Oxygen + strong UV g Ozone UV shield Stratosphere 8-18 km altitude Troposphere lightning Greenhouse gas (1/3 as important as CO2) Carbon monoxide Organic gases Nitrogen oxides + UV g Ozone + Toxic (smog) vegetation combustion

TES OZONE AND CARBON MONOXIDE (July 2005, 6 km) reveal ozone pollution belt at northern mid-latitudes Ozone Relationship of ozone and carbon monoxide downwind of eastern United States TES Ozone (ppbv) ppbv Carbon monoxide GEOS-Chem model Carbon monoxide (pppbv) Jennifer A. Logan and Lin Zhang, Harvard ppbv

Relationship of ozone and carbon monoxide downwind of East Asia TES OZONE AND CARBON MONOXIDE (July 2005, 6 km) reveal ozone pollution belt at northern mid-latitudes Ozone Relationship of ozone and carbon monoxide downwind of East Asia TES Ozone (ppbv) ppbv Carbon monoxide GEOS-Chem model Carbon monoxide (pppbv) Jennifer A. Logan and Lin Zhang, Harvard ppbv

TES OZONE AND CARBON MONOXIDE (November 2004, 6 km) reveal high ozone over much of tropics from biomass burning Ozone Carbon monoxide Fire counts (MODIS) Kevin W. Bowman, JPL

TES UPPER TROPOSPHERIC NITRIC ACID tracks nitrogen oxide sources and ozone production Sept 20-21 2004 TES data: hot spots over N. America, Europe, and Africa (fuel combustion, biomass burning, lightning) GEOS-Chem model Susan S. Kulawik, JPL