1. 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

2. 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? +

3. 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

4. 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

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

6. MOPITT adjusted for bias
MOPITT adjusted for bias

7. MOPITT adjusted for bias
MOPITT adjusted for bias

8. 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

9. 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