Dust Impacts on Clouds

Dust Impacts on CloudsMichael J. Garay

Jet Propulsion Laboratory, California Institute of Technology

Pasadena, California, USA

http://www.thespaldingspirit.com/2012/03/03/the-global-warming-heat-flash/

http://climate.nasa.gov/keyIndicators/

Ice Mass from GRACE

http://hyperphysics.phy-astr.gsu.edu/hbase/thermo/solact.html

http://www.ipcc.ch/

http://www.ipcc.ch/ Third Assessment Report (2001)

http://www.ipcc.ch/ Fourth Assessment Report (2007)

http://www.ipcc.ch/

http://www.ipcc.ch/

Note Change in

Scale

http://www.ipcc.ch/

Twohy et al., GRL, 2009

Dunion & Velden, BAMS, 2004 Evan et al., GRL, 2006

SAL No SAL

MODIS RGB Image MODIS Aerosol RetrievalMODIS Cloud Retrieval

MODIS Cloud + Aerosol

MISR Views of the Canary Islands

Nadir View +70.5° View

Pandis, Atmospheric Aerosol Processes, 2004

RainDrop

CloudDrop

CloudCondensation

Nucleus

Logarithmic Scale

NASA Terra EOS SatelliteMODIS, MISR, CERES, ASTER, MOPITTMulti-spectral, multi-angle, high-resolution

NOAA GOES SatelliteGOES Imager, GOES SounderBroadband imagery

NASA Aqua EOS SatelliteMODIS, AIRS, CERES, AMSR-E, AMSU-A, HSB Multi-spectral, “hyper-spectral”, multi-angle

NASA CloudSat SatelliteCPRCloud Profiling Radar

NASA CALIPSO SatelliteCALIOP, IIR, WFCLidar

CNES PARASOLPOLDERPolarization

NOT PICTURED

NASA Aura EOS SatelliteOMI, MLS, TES, HIRDLSUltra-violetNASA TOMS SatellitesTOMSUltra-violetNOAA Suomi NPPVIIRSMulti-spectral

A Selection of Satellite Instruments Used to Study Dust

NASA TRMM (EOS) SatellitePR, VIRS, CERES, TMI, LISPrecipitation Radar, multi-spectral/angle

“Airplane Window” View

http://www.avo.alaska.edu/image_full.php?id=14333

Photo by Kelly Reeves flight attendant

during Alaska Airlines flights 160 and 161

MISR Df Camera, Orbit 45589

http://www.ipcc.ch/

Mahowald et al., Ann. Rev. Mar. Sci., 2009

Discussion• Dust impacts on clouds is a cutting

edge research topic• The system is complex• Studying this system is at the limit

of the capabilities of the current generation of Earth remote sensing instruments

Dust Impacts on Clouds

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