Description

TRACE-A_Sondes_Data is the balloonsonde and ozonesonde data collected during the Transport and Atmospheric Chemistry near the Equator - Atlantic (TRACE-A) suborbital campaign. Data collection for this product is complete. The TRACE-A mission was a part of NASA’s Global Tropospheric Experiment (GTE) – an assemblage of missions conducted from 1983-2001 with various research goals and objectives. TRACE-A was conducted in the Atlantic from September 21 to October 24, 1992. TRACE-A had the objective of determining the cause and source of the high concentrations of ozone that accumulated over the Atlantic Ocean between southern Africa and South America from August to October. NASA partnered with the Brazilian Space Agency (INPE) to accomplish this goal. The NASA DC-8 aircraft and ozonesondes were utilized during TRACE-A to collect the necessary data. The DC-8 was equipped with 19 instruments. A few instruments on the DC-8 include the Differential Absorption Lidar (DIAL), the Laser-Induced Fluorescence, the O3-NO Ethylene/Forward Scattering Spectrometer, the Modified Licor, and the DACOM IR Laser Spectrometer. The DIAL was responsible for a variety of measurements, which include Nadir IR aerosols, Nadir UV aerosols, Zenith IR aerosols, Zenith VS aerosols, ozone, and ozone column. The Laser-Induced Fluorescence instrument collected measurements on NxOy in the atmosphere. Measurements of ozone were recorded by the O3-NO Ethylene/Forward Scattering Spectrometer while the Modified Licor recorded CO2. Finally, the DACOM IR Laser Spectrometer gathered an assortment of data points, including CO, O3, N2O, CH4, and CO2. Ozonesondes played a role in data collection for TRACE-A along with the DC-8 aircraft. The sondes were dropped from the DC-8 aircraft in order to gather data on ozone, temperature, and atmospheric pressure.

Resources

Format	Description	Link
5		https://www-gte.larc.nasa.gov%2Ftrace%2Ftra_hmpg.htm
5		https://www-gte.larc.nasa.gov%2Fgte_hmpg.htm%23table
5		https://asdc.larc.nasa.gov%2Fdocuments%2Fgte%2Fguide%2Fgte_fmt.pdf
5		https://asdc.larc.nasa.gov%2Fciting-data
5		https://agupubs.onlinelibrary.wiley.com%2Fdoi%2Fepdf%2F10.1029%2F96JD00123
5		https://doi.org%2F10.5067%2FASDC%2FSUBORBITAL%2FTRACE-A%2FSondes_Data_1
5		https://search.earthdata.nasa.gov%2Fsearch%2Fgranules%3Fp%3DC2813533459-LARC_CLOUD
5	tra_hmpg.htm	https://www-gte.larc.nasa.gov/trace/tra_hmpg.htm
5	gte_hmpg.htm	https://www-gte.larc.nasa.gov/gte_hmpg.htm#table
33	gte_fmt.pdf	https://asdc.larc.nasa.gov/documents/gte/guide/gte_fmt.pdf
5		https://asdc.larc.nasa.gov/citing-data
21		https://doi.org/10.5067/ASDC/SUBORBITAL/TRACE-A/Sondes_Data_1
5		https://search.earthdata.nasa.gov/search/granules?p=C2813533459-LARC_CLOUD
5		https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/96JD00123
5	tra_hmpg.htm	https://www-gte.larc.nasa.gov/trace/tra_hmpg.htm
5	gte_hmpg.htm	https://www-gte.larc.nasa.gov/gte_hmpg.htm#table
33	gte_fmt.pdf	https://asdc.larc.nasa.gov/documents/gte/guide/gte_fmt.pdf
5		https://asdc.larc.nasa.gov/citing-data
5		https://agupubs.onlinelibrary.wiley.com/doi/epdf/10.1029/96JD00123
21		https://doi.org/10.5067/ASDC/SUBORBITAL/TRACE-A/Sondes_Data_1
5		https://search.earthdata.nasa.gov/search/granules?p=C2813533459-LARC_CLOUD
0	The metadata's original source.	https://cmr.earthdata.nasa.gov/search/concepts/C2813533459-LARC_CLOUD.iso19115

TRACE-A Balloonsondes and Ozonesondes Data

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