Satellite Aerosol Validation Pawan Gupta NASA ARSET- AQ – GEPD & SESARM, Atlanta, GA September 1-3, 2015.

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Presentation transcript:

Satellite Aerosol Validation Pawan Gupta NASA ARSET- AQ – GEPD & SESARM, Atlanta, GA September 1-3, 2015

Spatial and Temporal Collocation

MODIS Dark Target AOD Uncertainties

Preliminary Validation Results of Collection 6

Validation Maps

Scatter Plot

Other Online Tools

MAPSS Giovanni instances Used to evaluate the quality of a satellite retrievals MAPSS allows you to compare AERONET data with coincident satellite data. Quick and effective way to evaluate the quality of the satellite retrieval at particular locations for a range of dates or season. Data from MODIS, MISR. Multi-sensor Aerosol Products Sampling System (MAPSS) Multi-sensor statistics Satellite – AERONET Inter-comparison

MAPSS Statistical Explorer

Petrenko, M., and C. M. Ichoku "Coherent uncertainty analysis of aerosol measurements from multiple satellite sensors." Atmos. Chem. Phys., 13 (14): [ /acp ] [Journal Article/Letter] Petrenko, M., C. M. Ichoku, and G. Leptoukh "Multi-sensor Aerosol Products Sampling System (MAPSS)." Atmospheric Measurement Techniques, 5 (5): [ /amt ] [Journal Article/Letter]

Some Published Validation Papers Levy, R. C., Mattoo, S., Munchak, L. A., Remer, L. A., Sayer, A. M., Patadia, F., & Hsu, N. C.. (2013). The Collection 6 MODIS aerosol products over land and ocean. Atmospheric Measurement Techniques, 6, 2989–3034. doi: /amt Remer, L. A., Mattoo, S., Levy, R. C., & Munchak, L. A.. (2013). MODIS 3 km aerosol product: algorithm and global perspective. Atmospheric Measurement Techniques, 6, 1829–1844. doi: /amt Sayer, A. M., N.-Y. C. Hsu, C. Bettenhausen, and M.-J. Jeong "Validation and uncertainty estimates for MODIS Collection 6 “Deep Blue” aerosol data." J. Geophys. Res. Atmos., 118 (14): [ /jgrd Sayer, A. M., L. A. Munchak, N.-Y. C. Hsu, et al "MODIS Collection 6 aerosol products: Comparison between Aqua's e-Deep Blue, Dark Target, and “merged” data sets, and usage recommendations." J. Geophys. Res.-Atmos, 119 (24): 13,965-13,989 [ JD022453]