2008 Aerosol Update Goddard Space Flight Center Peter Colarco, Code 613.3 Robert Levy, SSAI/Code 613.2 Santiago Gassó, GEST/Code 613.2 Ellsworth Welton, Code 613.1 Tom Eck, GEST/Code 614.4. Update Agenda. Purpose What is Aerocenter? What have we been up to?
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Goddard Space Flight Center
Peter Colarco, Code 613.3
Robert Levy, SSAI/Code 613.2
Santiago Gassó, GEST/Code 613.2
Ellsworth Welton, Code 613.1
Tom Eck, GEST/Code 614.4
Purpose What is Aerocenter?
What have we been up to?
What do we think about the future?
Context Synthesis talks around four science questions
and natural ecosystems?
Wrap-Up Where do we go from here?
⅓ NASA, ⅓ GEST, ⅓ other
IPCC AR4 Working Group, 2007
Sulfate - SU
Nitrate - NO3
Ammonium - NH4
Water - H2O
Black carbon - BC
Organic carbon- OC
Dust - DU
Sea Salt - SS
Bauer et al, submitted to Atmos. Chem Phys. 2008: The Multiconfiguration Aerosol TRacker of mIXing state MATRIX, an aerosol microphysical module for global atmospheric models
Collaboration of NASA GSFC Atmospheric Chemistry and Dynamics Branch and Global Modeling and Assimilation Office (GMAO)
Quick-look forecasts products available at a web site: http://hyperion.gsfc.nasa.gov/People/Colarco/Mission_Support
Say something about climate
Huisheng Bian, GEST-UMBC/NASA GSFC Code 613.3
Terra-MODIS measurement of Fire Radiative Power (FRP) on 26-Oct-2003.
Smoke emissions proportional to fire radiative power
C. Ichoku, L. Giglio, M. J. Wooster, and L. A. Remer, Global characterization of biomass-burning patterns using satellite measurements of Fire Radiative Energy. Remote Sens. Environ., (In Press), 2008.
Volcanic “ship tracks” – a natural laboratory for studying the indirect effect
Gassó, S. (2008), "Satellite observations of the impact of weak volcanic activity on marine clouds" , J. Geophys. Res., 113, 27, doi:10.1029/2007JD009106. (In Press, Kaufman Special Issue)
Cloud Effective Radius
MODIS Terra Susceptibility October 2005
Cloud albedo response to changes in cloud microphysics
Susceptibility is correlated with larger cloud droplet effective radius
Global TOA flux change for
N=1cm-3, LWC=0.3 gm-3
Susceptibility/cloud fraction relations are important!
Platnick, S. and L. Oreopoulos, 2008: The radiative susceptibility of cloudy atmospheres to droplet number perturbations, Part I: Theoretical analysis and examples from MODIS. J. Geophys. Res. ( in revision for Kaufman special issue).
Oreopoulos, L. and S. Platnick, 2008: The radiative susceptibility of cloudy atmospheres to droplet number perturbations, Part II: Global analysis from MODIS. J. Geophys. Res. (in revision for Kaufman special issue).
J.V. Martins, Department of Physics – UMBC/ NASA GSFC Code 613.2
Alexander Marshak, Robert Cahalan, NASA GSFC Code 613.2
Hygroscopic Growth in Amazonian Smoke
J.S. Schafer, Eck T.F., Holben B.N., Artaxo P.,Duarte A.F., Characterization of the optical properties of atmospheric aerosols in Amazônia from long-term AERONET monitoring [1993-95;1999-2006], J. Geophys. Res., 2007JD009319, in Press.
Eck, T.F., B. N. Holben, J. S. Reid, A. Sinyuk, O. Dubovik, A. Smirnov, D. Giles, O’Neill, N.T., S.-C. Tsay, Q. Ji, A. Al Mandoos, M. Ramzan Khan, E. A. Reid, J. S. Schafer, M. Sorokine, W. Newcomb, and I. Slutsker. Spatial and Temporal Variability of Column Integrated Aerosol Optical Properties in the Southern Arabian Gulf and United Arab Emirates in Summer, In Press, Journal of Geophysical Research-Atmospheres.
Atmospheric correction to retrieve surface
Surface reflectance to retrieve atmosphere
Sinyuk, A., O. Dubovik, B. Holben, T.F. Eck, F-M Breon, J. Martonchik, R. Kahn, D. J. Diner, E. F. Vermote, J-C Roger, T. Lapyonok, and I. Slutsker, Simultaneous retrieval of aerosol and surface properties from a combination of AERONET and satellite, Rem. Sens. of Env., 107, 2007, doi:10.1016/j.rse.2006.07.022.
Aerosol size distribution measured by lidar at three altitudes
Joint Lidar/AERONET Vertical Composition Information
Active and Passive Aerosol Physical Property Measurements, Inverse Retrieval Studies and In-Situ Validation, Investigators: Whiteman/GSFC, Veselovskii/UMBC, Ogren/NOAA, Andrews/CIRES, Collaborators: Sinyuk/SSAI, Dubovik/CNRS, Holben/GSFC, Ferrare/LaRC, Hostetler/LaRC, Müller/IfTP, GermanyRecently funded by NASA Radiation Sciences Program
AERONET gives you total columnar information.
Lidar gives you the vertical information
Raman Lidar Lab
Validation campaigns with NOAA AAO, 2009 and 2010
Black Carbon: TAU_ABS ~ -1
TAU_ABS as SSA
Nick Krotkov et al., Geophys. Res. Lett., manuscript in preparation
Nick Krotkov et al., Aerosol ultraviolet absorption experiment (2002 to 2004) , part 2: absorption optical thickness, refractive index, and single scatter albedo, Optical Engineering, 44(4) 041005, 2005.
MODIS constrains extinction
OMI initial assumption of aerosol height
S.K. Sateesh, India Institute of Science on sabbatical at GSFC with ORAU