TRACE-P (TRAnsport and Chemical Evolution over the Pacific), a two-aircraft mission over the western Pacific to be conducted by the Global Tropospheric Experiment (GTE) of the National Aeronautics and Space Administration (NASA) in March-April 2001. TRACE-P is motivated by the need to better understand how outflow from the Asian continent affects the composition of the global atmosphere. The mission has two objectives:
- to determine the pathways for outflow of chemically and radiatively important gases and aerosols, and their precursors, from eastern Asia to the western Pacific;
- to determine the chemical evolution of the Asian outflow over the western Pacific, and understand the ensemble of processes that control this evolution.
TRACE-P will use two NASA aircraft, the DC-8 (ceiling 12 km) and the P-3B (ceiling 7 km) operating out of Yokota Air Force Base (near Tokyo, Japan) and Hong Kong. The aircraft payloads will include a suite of long-lived greenhouse gases, photochemical oxidants, aerosols, and their precursors.
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