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Multi-Platform Goals of ICARTT

Explore the credibility of ICARTT measurements, comparisons, and experimental evolution during transport to understand aerosols' radiative effects through diverse platforms and experiments.

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Multi-Platform Goals of ICARTT

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  1. Multi-Platform Goals of ICARTT Measurement Comparison Lagrangian Experiment Radiative Forcing of Aerosols

  2. CO Correlation Slope = 0.88 Intercept = 7.6 ± 0.2 R2 = 0.98 250 200 DRL Falcon (ppbv) 150 250 100 200 50 50 100 150 200 250 NO Correlation Slope = 0.29 Intercept = 7.53 ± 0.02 R2 = 0.41 150 BAE 146 (ppbv) DRL Falcon (ppbv) 100 50 0 0 50 100 150 200 250 BAE 146 (ppbv) Multi-Platform Goals of ICARTT Credibility of measurements: • What is critical? • Can we trust it? • How can we test it? Comparisons during ICARTT: • Aircraft to aircraft • Aircraft to ground • Aircraft to ship • Aircraft to Satellite • Ship to Satellite Your not doing as well as you think (hope)?

  3. Multi-Platform Goals of ICARTT Lagrangian Experiment (Evolution During Transport) A. Stolh and D. Parrish NOAA Lagrangian Experiments New York City plume - July 20 - 26 (P-3, DLR Falcon, Mace Head) Low-level Outflow - July 15 - 18 (P-3, DC-8, BAe 146, Pico) Warm Conveyor Belt - July 27 - August 1 (P-3, DC-8, BAe 146, DLR Falcon, Pico) Outflow - July 9 - 15 (P-3, BAe 146) Alaskan/Canadian Forest Fires - July 18 - 31 (DC-8, P-3, BAe 146)

  4. July 28 July 27 NASA DC-8 Sampling Area NOAA WP-3D Sampling Area NOAA WP-3D Sampling Area July 29 July 31 BAe 146 Sampling Area DLR Falcon Sampling Area Lagrangian Experiment (Evolution During Transport)

  5. 1.0 NH4 0.8 nssSO4 NO3 Mass Fraction 0.6 Seasalt POM 0.4 EC Dust 0.2 H2O 0.0 Indirect Radiative Effect NEAQS IND India AA Dust IND Arabia AA Marine AA Polluted Effect of aerosols on the cloud drop size distribution and cloud reflectance. Direct Radiative Effect Clear-sky radiative impact of the aerosols from North America over North Atlantic. Up or down welling radiative flux & AOD effective radius re(z) LWP backscatter profiles In-situ measurement of aerosols & gases lidar microwave radiometer radar lidar Aerosol Properties and Radiative Effects Aerosol Characterization Characterize the chemical, physical and optical properties of the aerosol particles from North America as they move out over the western North Atlantic and observe how they change. (Various platforms)

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