MOPITT Observations of CO during TRACE P Future work at Harvard University Colette Heald Atmospheric Chemistry Modeling Group Harvard University Advisor: Daniel Jacob MOPITT Science Team Meeting February 7, 2002

Motivation Opportunity to examine MOPITT data in the context of many observational data sets in addition to models. What additional information does MOPITT bring to bear on CO sources during TRACE-P? +

TRACE-P: An Integrated Approach 2 aircraft mission over the Western Pacific in Feb– Apr 2001 Objective: determine chemical composition and evolution of Asian outflow in the Spring ASIA P-3 Satellite data DC-8 PACIFIC 3D chemical model ASIAN OUTFLOW What measured on TP? O3, NO, H2O, CO, met params, aerosol, PAN, HNO3, H2O2, CH3OOH (methylhydroperoxide), hydrocarbons, OH, HO2, NO2, CO2, N2O, CH4, acetone, actinic fluxes and photolysis rates, SO2, etc. etc. DC-8 (ceiling 12 km) P-3B (ceiling 7 km) 24 flights from Wallops – Dryden – Palmdale – Kona, Hawaii – Guam – Hong Kong – Okinowa -Yokota -Midway Emissions Fossil fuel Biomass burning Biosphere, dust

Current Work with TRACE-P Using satellite observations of fires to dictate daily biomass burning emissions during TRACE-P Modeling CO with GEOS-CHEM and comparisons with aircraft observations AVHRR

A Quick Look at MOPITT and GEOS-CHEM 20010324 MOPITT adjusted for bias

MOPITT adjusted for bias 20010325 MOPITT adjusted for bias

MOPITT adjusted for bias 20010326 MOPITT adjusted for bias

MOPITT and TRACE-P MOPITT Data Evaluation Comparing to aircraft CO, CMDL CO, GEOS-CHEM CO and fire activity Using MOPITT to evaluate GEOS-CHEM Do MOPITT observations highlight particular model strengths/weaknesses? MOPITT + Scientific Objectives of TRACE-P Characterize Asian outflow and evolution using MOPITT, aircraft observations and GEOS-CHEM

Integrated Analysis of global troposphere: Use of MOPITT Integrated Analysis of global troposphere: Emission Inventories GEOS-CHEM MOPITT CO Understanding Tropospheric Processes (CO) CMDL CO Aircraft CO Observations