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NCAR/EOL Driftsonde Data

Project:

AMMA

Summary

Quality-controlled driftsonde sounding data for the African Monsoon Multidisciplinary Analysis (AMMA) project. A total of 124 soundings are contained in the quality final archive.

Data access

ORDER data for delivery by FTP

Additional information

Identifier	DOI: https://doi.org/10.5065/D6NC5ZDG
Data Quality	final
Versions	2.0 (2016-02-16): The second version of AMMA quality-controlled driftsonde data is different from the first version that was released on January 26, 2007 in the following ways: (1) The 1^st version of quality controlled (QC) data does not contain any calculated pressure values. Note that the Miniature In-situ Sounding Technology (MIST) dropsonde carried by the driftsonde did not have a pressure sensor. In the 2^nd version of the QCed data, pressure was calculated and stored in the final dataset (see details in Section 6 of Readme). (2) During this second phase of the data QC, the soundings (with calculated pressure included) were run through the Atmospheric Sounding Processing ENvironment (ASPEN) software, which analyzes the data, performs smoothing, and removes suspect data points. Additional QC procedures are also applied to the 2^nd version of the QCed data (see Section 6 of Readme). (3) The 2^nd version of QCed data is in the EOL sounding format (see Section 4 of Readme), while the 1^st version was in original D file format. The readme file for the 1^st version of QCed data has been included with the release of the 2^nd version of the data.
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Related projects	AMMA: African Monsoon Multidisciplinary Analyses
Spatial Type	unknown
Frequency	1 second
Language	English
Categories	Upper Air
Platforms	Driftsonde Dropwindsondes
Instruments	Dropsondes
GCMD Science Keywords	ATMOSPHERIC PRESSURE MEASUREMENTS BOUNDARY LAYER TEMPERATURE BOUNDARY LAYER WINDS DEW POINT TEMPERATURE GEOPOTENTIAL HEIGHT RELATIVE HUMIDITY U/V WIND COMPONENTS VERTICAL PROFILES WATER VAPOR PROFILES WIND DIRECTION WIND DIRECTION PROFILES WIND SPEED WIND VELOCITY/SPEED PROFILES Show 10 more... Expand keywords
Documentation	readme.AMMA.Driftsonde.QCv1.pdf [1411 KiB] readme.AMMA06.driftsondes-QCv2.pdf [1592 KiB]
Related links	homepage: AMMA Project Homepage

Temporal coverage

Begin datetime	2006-08-29 00:00:00
End datetime	2011-03-10 23:59:59

Spatial coverage

Map data from IBCSO, IBCAO, and Global Topography.

Maximum (North) Latitude: 30.00, Minimum (South) Latitude: 0.00
Minimum (West) Longitude: -30.00, Maximum (East) Longitude: 35.00

Primary point of contact information

EOL Data Support <datahelp@eol.ucar.edu>

Citation

UCAR/NCAR - Earth Observing Laboratory. 2016. NCAR/EOL Driftsonde Data. Version 2.0. UCAR/NCAR - Earth Observing Laboratory. https://doi.org/10.5065/D6NC5ZDG. Accessed 12 Oct 2024.

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Ancillary information

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