J31 Data Workshop 9-10Mar05 Validation of Satellite Aerosol Optical Depth by AATS-14 during ICARTT 2004 NASA Ames Airborne Sunphotometer Team Presented.

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Presentation transcript:

J31 Data Workshop 9-10Mar05 Validation of Satellite Aerosol Optical Depth by AATS-14 during ICARTT 2004 NASA Ames Airborne Sunphotometer Team Presented by John Livingston SRI International

Jetstream-31 (J31) in INTEX-ITCT

Table of J31/satellite coincidences during ITCT 2004

ICARTT 2004 AATS-14/MODIS Coincidences Eight cases w/MODIS data July 12, 16, 17, 21, 22, 23; August 2, 8 ICARTT 2004 AATS-14/MISR Coincidences Four events July 20, 22, 29; August 7

MISR 20 July Moderate AODs Limited MISR data

J31 descent J31 ascent

Terra overpass: 1543 UT

Note: V16 MISR AODs > 0 are available only within blue box shown in earlier slide. These AATS-14 data are means for all AATS data points shown in previous slide. MISR V16

Note: These AATS-14 means only include those data points within the MISR blue box, as shown in earlier slide. MISR V16

J31 descent J31 ascent

MISR 29 July Moderate/large AODs AOD gradient

J31 ascent J31 descent

Terra overpass: 1537 UT AOD gradient (AATS)

MISR V15

MISR V16

J31 ascent J31 descent

MISR 7 Aug Small AODs AOD gradient DC-8 rendezvous

J31 ascent

Terra overpass: 1531 UT small AOD gradient (AATS)

MISR V15

MISR V16

MISR 22 July Moderate/large AODs small AOD gradient along J31 flight track but outside of MISR grid cell locations

J31 ascent J31 descent MISR grids

Terra overpass: 1531 UT small AOD gradient (AATS)

MISR V15

MISR V16

22 July: AATS/MISR/MODIS

small AOD gradient (AATS)

MODIS

ICARTT 2004 AATS-14/MODIS Coincidences Eight cases w/MODIS data July 12, 16, 17, 21, 22, 23; August 2, 8 MISR data also available for 22 July case

MODIS 12 July Moderate AODs AOD gradient along portion of J31 track

flight direction J31 descent J31 ascent

AOD gradient (AATS)

MODIS 16 July Moderate AODs Limited AATS retrievals

MODIS 17 July Small AODs Limited near surface AATS AOD retrievals

MODIS 21 July Moderate AODs AOD gradient along portion of J31 track

flight direction J31 descent J31 ascent

AOD gradient (AATS)

MODIS 23 July AOD gradient Large maximum AODs

flight direction

AOD gradient (AATS)

MODIS 2 Aug Large AOD gradient Moderate maximum AODs

flight direction J31 descent

AOD gradient (AATS) flight direction

MODIS 8 Aug J31 short longitudinal transect Small AODs AOD gradient near eastern end of track