# Presentation: 790090

## Airborne Sunphotometry in the SAFARI 2000 Dry Season Campaign  P. B. Russell1, B. Schmid2, B.N. Holben3, J. Redemann2 and P. V. Hobbs41NASA Ames Research Center, Moffett Field, CA2Bay Area Environmental Research Institute, San Francisco, CA3NASA Goddard Space Flight Center, Code 923, Greenbelt, MD 4Uniiversity of Washington, Seattle, WA SAFARI 2000 Workshop Goddard Space Flight Center, Greenbelt, MD, May 30-31, 2001 

## Ames Airborne Tracking Sunphotometers (AATS) 

- Urban Pollution

- Biomass Smoke

- Volcanic Emissions

*H**2**0*

*O**3*

**SAGE**

**Terra**

**AATS-6**

**AATS-14**

**Ames Airborne Tracking Sunphotometers (AATS) **
**And How They Are Used**

- Desert Dust

## Ames Airborne Tracking Sunphotometer (AATS) 

**Ames Airborne Tracking Sunphotometer (AATS) **
**Channels and Atmospheric Spectra**

## AATS-14 on UW CV-580 in SAFARI 2000

**AATS-14 on UW CV-580 in SAFARI 2000**

## Ames Airborne Tracking Sunphotometer (AATS-14) Operations 

_**aboard the UW CV-580 during SAFARI-2000**_
**(Excerpt shown as example.  **
**Full table, describing 24 flights,  **
**is downloadable at http://geo.arc.nasa.gov/sgg/SAFARI/)**

## Slide 6

## Slide 7

## Slide 8

## Slide 9

## Suggestions/Desires for Collaboration with other researchers on papers to report results

**• **_**P. Pilewskie et al**_**.: SSFR solar spectral forcing as a function of aerosol thickness**
**   ****- See 24 Aug  example in Pilewskie talk**
**• **_**P. Hobbs et al**_**.: CV-580 in situ comparisons**
**• **_**B. Holben et al**_**.: AERONET comparisons**
**•**_**J. Welton**_** et al.: MPL comparisons and derivation of complex refractive index**
**• ****M. McGill, J. Spinhirne et al.: ER-2 lidar comparisons and joint analyses**
**• ****L. Remer et al.: MODIS comparisons**
**•****J. Herman, O. Torres et al.: TOMS comparisons**
**• ****C. Bruegge, R. Kahn: MISR & AirMISR comparisons**
**• ****S. Platnick: MAS, aerosol outbreak over coastal stratus**
**[**_**Underlining indicates collaboration already in progress**_**.]**

## Schedule for completing analyses 

**• ****AATS-14 data reduction to AOD(********), Column H****2****O:**** **
**   ****- First release for all flights: Sep 2001 **
**   ****- Final version: Sep 2002**
**• ****Journal publications submitted****, including collaborative analyses: **
**   ****- According to SAFARI 2K publication schedule**

## Submitted abstracts or titles of research through the next 6-8 months.	

**Schmid, B., P. B. Russell, P. Pilewskie, J. Redemann, J. M. Livingston, P. V. Hobbs, E. J. Welton, J. Campbell, B. N. Holben, M. McGill, J. Spinhirne, Airborne sunphotometry and closure studies in SAFARI-2000 dry season campaign, Accepted for presentation, 8th Scientific Assembly of IAMAS, Innsbruck, Austria, 10-18 July, 2001. **
**Schmid, B. et al., [title and coauthors similar to above], Abstract to be submitted (by 15 June 2001 deadline) to Safari 2000 Science Symposium, Siavonga, Zambia, 28-31 August, 2001.**
_**Related papers will be submitted to**_**:**
**4th Global Aerosol Climatology Program (GACP) Science Team Meeting, Ann Arbor, MI, 24-26 Oct 2001**
**EOS Inter-Disciplinary Science (EOS-IDS) Team Meeting, early November 2001 **
**SAFARI Session, Fall AGU Meeting, San Francisco, CA, 10-14 December 2001**

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## days when the ER-2 was above the

- CV-580 (where our sunphotometer flew)  were:
- Aug 22, Aug 24, Sep 6, Sep 7, Sep 11, and Sep 13.
- I guess I will have to look at the flight tracks of both planes to find
- out at what times the two were co-located.

##  Below is the list of times when

- we overflew or profiled above the MPL sites Skukuza or Mongu in
- SAFARI-2000. If you could provide me us with the aerosol extinction
- values as a function of altitude that would be great. As mentioned Phil
- would then show a comparison at the upcoming Goddard meeting (with
- proper credits). As you know once I have the plot I will at least use it
- for 10 more meetings...
- Skukuza 8/22/2000 8.12-10.12 UT(decimal hours).  CV-580 flew profile
- (parking garage) That is the case we looked at before but as you said
- your results (and ours too) will be different.
- Skukuza 8/24/2000 7.5 UT Overflight at 3580 m AOD is 0.06 at 525 nm. But
- please provide entire profile.
- Skukuza 8/29/2000 13.4-13.55 UT (ramp into Skukuza)
- Skukuza 9/7/2000 11.59-11.75 UT (we are quite a bit North of Skukuza in
- Kruger NP but worth looking at it because it is an interesting profile)
- Mongu 9/6/2000 Well we were there around 8 UT ... just give me the last
- profile before MPL went into no save mode (6 UT, I believe)