A HIAPER Campaign to Observe the Impact of Dust on the Pacific Ocean And North America V. Ramanathan, D. Rogers and J. Stith National Center for Atmospheric.

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Presentation transcript:

A HIAPER Campaign to Observe the Impact of Dust on the Pacific Ocean And North America V. Ramanathan, D. Rogers and J. Stith National Center for Atmospheric Research

Major Questions: How Dusty and Polluted is the Pacific Ocean? How much Dust and Pollution Enters N. America from mid and upper troposphere? How Does the Dust and BC Impact the Pacific Cloud Systems in the Mid and upper Troposphere? What is the impact of the dust and the dusty cloud systems on solar Radiation (Dimming) over the Pacific Ocean? By interacting with solar and long wave radiation, Does the Dust/Pollution Impact Pacific SSTs and Storm Tracks?

Asian Dust Distributions from Horizontal to Vertical F. Li and V. Ramanathan Center for Atmospheric Sciences, Scripps Institution of Oceanography, University of California, San Diego To be Submitted to J. Climate, May 2005

Pacific Ocean Arabian Sea

Dust-Ice Cloud Interactions

Flight 4 (03 April 2004): Aerosol layer at ca m

Vertical Profiles for Dust Event #1 Continental pollution morning afternoon Continental/urban pollution

CIFEX Campaign; Trinidad Head, CA

MIDWAY Obs. Prospero; Now an ABC Observatory

CIFEX Campaign; Trinidad Head, CA