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SAFARI 2000 SHADOZ OZONESONDE DATA, ZAMBIA AND REGIONAL SITES, DRY SEASON 2000
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Summary:

Ozonesonde launches were made by the Southern Hemisphere ADditional OZonesondes (SHADOZ) group as part of the SAFARI 2000 Dry Season Campaign in September 2000 (Thompson et al., 2002) at Lusaka, Zambia. Launches from on-going SHADOZ regional sites at Irene (South Africa), La RĂ©union Island, and Ascension Island sites are also included. These ozonesonde data files contain profiles of ozone partial pressures, as well as temperature, pressure, and humidity values up to 35 km in altitude (around 5 hPa in pressure coordinates). These ozonsondes, which are a suite of balloon-borne instruments, capture the troposphere and lower stratospheric portion of the atmosphere. During the campaign, ozonesondes were launched daily at Lusaka during the height of the burning season and in a region of active biomass burning activity. Plots of sonde vertical profiles and air mass back trajectories are included.

Photographs taken during this research activity can be viewed at the S2K Photo Gallery.

Data Citation:

Cite this data set as follows:

Thompson, A., and J. Witte. 2004. SAFARI 2000 SHADOZ Ozonesonde Data, Zambia and Regional Sites, Dry Season 2000. Data set. Available on-line [http://daac.ornl.gov/] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. doi:10.3334/ORNLDAAC/726.

References:

Thompson, A. M., J. C. Witte, R. D. McPeters, S. J. Oltmans, F. J. Schmidlin, J. A. Logan, M. Fujiwara, V. W. J. H. Kirchhoff, F. Posny, G. J. R. Coetzee, B. Hoegger, S. Kawakami, T. Ogawa, B. J. Johnson, H. Vomel, and G. Labow. 2003. Southern Hemisphere Additional Ozonesondes (SHADOZ) 1998-2000 tropical ozone climatology 1. Comparison with Total Ozone Mapping Spectrometer (TOMS) and ground-based measurements, J. Geophys. Res., Vol. 108 No. D2, 8241, doi: 10.1029/2002JD002241.

Thompson, A. M., J. C. Witte, M. T. Freiman, A. Phahlane, and G. J. R. Coetzee. 2002. Lusaka, Zambia, during SAFARI-2000: Convergence of local and imported ozone pollution, Geophys. Res. Lett., 29, 1976, doi: 10.1029/2002GL015399.

Thompson, A. M., B. G. Doddridge, J. C. Witte, R. D. Hudson, W. T. Luke, J. E. Johnson, B. J. Johnson, S. J. Oltmans, and R. Weller. 2000. A tropical Atlantic ozone paradox: Shipboard and satellite views of a tropospheric ozone maximum and wave-one in January-February 1999, Geophys. Res. Lett., 27, 3317-3320.

Data Format:

The data files are stored as ASCII table files, one file per flight, in space-separated-value format. Files with the letter 'b' after the date are the second launch on that day. The data files and the .gif files of vertical profile plots and air mass trajectory images are compressed in a separate .zip file per measurement site.

Lusaka, Zambia Flights - September 2000

Data File Names

Vertical Profile Plots

Air Parcel History Images

safari2k_20000906.dat

safari2k_20000906.gif

safari2k_20000906_ktj.gif

safari2k_20000907.dat

safari2k_20000907.gif

safari2k_20000907_ktj.gif

safari2k_20000907b.dat

safari2k_20000907b.gif

safari2k_20000907b_ktj.gif

safari2k_20000908.dat

safari2k_20000908.gif

safari2k_20000908_ktj.gif

safari2k_20000909.dat

safari2k_20000909.gif

safari2k_20000909_ktj.gif

safari2k_20000909b.dat

safari2k_20000909b.gif

safari2k_20000909b_ktj.gif

safari2k_20000910.dat

safari2k_20000910.gif

safari2k_20000910_ktj.gif

safari2k_20000910b.dat

safari2k_20000910b.gif

safari2k_20000910b_ktj.gif

safari2k_20000911.dat

safari2k_20000911.gif

safari2k_20000911_ktj.gif

Ascension Island Observatory Flights - August and November 2000

Data File Names

Vertical Profile Plots

Air Parcel History Images

ascen_20000804.dat

ascen_20000804.gif

ascen_20000804_ktj.gif

ascen_20000810.dat

ascen_20000810.gif

ascen_20000810_ktj.gif

ascen_20000816.dat

ascen_20000816.gif

ascen_20000816_ktj.gif

ascen_20001102.dat

ascen_20001102.gif

ascen_20001102_ktj.gif

ascen_20001108.dat

ascen_20001108.gif

ascen_20001108_ktj.gif

Irene, South Africa Station - August to November 2000

Data File Names

Vertical Profile Plots

Air Parcel History Images

irene_20000802.dat

irene_20000802.gif

irene_20000802_ktj.gif

irene_20000816.dat

irene_20000816.gif

irene_20000816_ktj.gif

irene_20000823.dat

irene_20000823.gif

irene_20000823_ktj.gif

irene_20000830.dat

irene_20000830.gif

irene_20000830_ktj.gif

irene_20000901.dat

irene_20000901.gif

irene_20000901_ktj.gif

irene_20000904.dat

irene_20000904.gif

irene_20000904_ktj.gif

irene_20000905.dat

irene_20000905.gif

irene_20000905_ktj.gif

irene_20000906.dat

irene_20000906.gif

irene_20000906_ktj.gif

irene_20000907.dat

irene_20000907.gif

irene_20000907_ktj.gif

irene_20000908.dat

irene_20000908.gif

irene_20000908_ktj.gif

irene_20000911.dat

irene_20000911.gif

irene_20000911_ktj.gif

irene_20000927.dat

irene_20000927.gif

irene_20000927_ktj.gif

irene_20001004.dat

irene_20001004.gif

irene_20001004_ktj.gif

irene_20001011.dat

irene_20001011.gif

irene_20001011_ktj.gif

irene_20001025.dat

irene_20001025.gif

irene_20001025_ktj.gif

irene_20001101.dat

irene_20001101.gif

irene_20001101_ktj.gif

La RĂ©union Observatory - August to November 2000

Data File Names

Vertical Profile Plots

Air Parcel History Images

reunion_20000803.dat

reunion_20000803.gif

reunion_20000803_ktj.gif

reunion_20000810.dat

reunion_20000810.gif

reunion_20000810_ktj.gif

reunion_20000824.dat

reunion_20000824.gif

reunion_20000824_ktj.gif

reunion_20000830.dat

reunion_20000830.gif

reunion_20000830_ktj.gif

reunion_20001025.dat

reunion_20001025.gif

reunion_20001025_ktj.gif

reunion_20001102.dat

reunion_20001102.gif

reunion_20001102_ktj.gif

Data File Format

The data files have descriptive headers, followed by the data records, as shown in the following sample header from a SAFARI data file.

The files contain data records with the following columns.

Column

Label

Definition

Units

1

Press

Air pressure

hPa

2

Alt

Altitude

km

3

Temp

Temperature

degrees Celsius

4

RH

Relative Humidity

%

5

O3

Ozone Partial Pressure

nbar

6

O3

Ozone Mixing Ratio

ppmv

Additional information about the ozonesonde measurements, data formats, and example vertical profile plots and air mass trajectory images, are found in the companion file: http://daac.ornl.gov/daacdata/safari2k/atmospheric/shadoz_ozonesonde/comp/shadoz_ozonesondes_readme.pdf

Document Information:

2004/6/16

Document Review Date:

2004/6/16

Document Curator:

webmaster@www.daac.ornl.gov

Document URL:

http://daac.ornl.gov