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Investigation:

PC-06 (Betts / Maria Silva Dias / Pedro Silva Dias)

LBA Dataset ID:

PC06_ABRACOS_Ozone

Originator(s):

1. Betts, Alan K.
2. Gatti, Luciana Vanni
3. Cordova, Ana Maria
      4. Dias, Maria Assuncao Faus da Silva
5. Fuentes, Jose D.

Point(s) of Contact:

Betts, Alan K. (akbetts@aol.com)

Dataset Abstract:

During the Large-scale Biosphere-Atmosphere Experiment in Amazonia wet season experiment, the near-surface measurements of equivalent potential temperature and ozone at night, when background levels of ozone are low, clearly show that convective downdrafts transport air with higher ozone and lower equivalent potential temperature down to the surface from around 800 hPa.
Reference: Betts, A. K., L.V. Gatti, A.M. Cordova, M. A. F. Silva Dias, and J. Fuentes, 2002: Transport of ozone to the surface by convective downdrafts at night. J. Geophys. Res., 107, 8046, doi:10.1029/2000JD000158, 2002.
Associated data sets (description and document):
MC_1min.txt (1-min micromet data: MCDataDoc.pdf) MC_10min.txt (10-min micromet data: MCDataDoc.pdf) GA_MC_1min.txt (merged gas analyzer & micromet data: GA_MCDataDoc.pdf)
TB_MC_1min.txt (merged tethersonde & micromet data: TB_MCDataDoc.pdf)
RA_FullRes.txt; RA_TB_5&2mb.txt (VIZ rawinsonde and merged rawinsonde and tethersonde data: RA_TBDataDoc.pdf) VA_FullRes.txt; VA_5&2mb.txt (Vaisala intercomparison data: VADataDoc.pdf) TB2SEC.zip (raw 2sec tethered balloon data, Tb2secReadme.txt) Overview document LBABettsDatadoc.pdf

Beginning Date:

1999-01-01

Ending Date:

1999-02-28

Metadata Last Updated on:

2011-09-25

Data Status:

In Preparation for Archive

Access Constraints:

Public

Distribution Contact(s):

Merilyn Gentry

Access Instructions:

Public

Data Access:

IMPORTANT: The LBA-ECO Project website is no longer being supported. Links to external websites may be inactive. Final data products from the LBA project can be found at the ORNL DAAC. Please follow the fair use guidelines found in the dataset documentation when using or citing LBA data.
Datafile(s):

10-minute average of 1-minute derived data (rev. 19-AUG-2002):  ftp://daac.ornl.gov/data/lba/physical_climate/Betts/ABRACOS_Pasture/microclimate/data/MC_10MIN.zip
Merged gas analyzer and microclimate data (rev. 23-AUG-2002):  ftp://daac.ornl.gov/data/lba/physical_climate/Betts/ABRACOS_Pasture/merged_products/data/GA_MC_10min.zip

Documentation/Other Supporting Documents:

Calibrated/corrected/merged Abracos pasture site dataset overview (pdf):  ftp://daac.ornl.gov/data/lba/physical_climate/Betts/ABRACOS_Pasture/lbabettsdatadoc.pdf
Transport of ozone to the surface by convective downdrafts at night -- Preprint (pdf): :  ftp://daac.ornl.gov/data/lba/physical_climate/Betts/ABRACOS_Pasture/microclimate/comp/Bettsgatti.pdf
Gas analyzer and micromet document file:  ftp://daac.ornl.gov/data/lba/physical_climate/Betts/ABRACOS_Pasture/merged_products/comp/ga_mcdatadoc.pdf

Citation Information - Other Details:

Betts, A. K., J. H. Ball and J.D.Fuentes, 2002: Calibration and Correction of LBA-HMET Abracos pasture site merged dataset. Available from LBA Beija-Flor Archives at CPTEC, Brasil, and ORNL DAAC, or on CD-ROM from Atmospheric Research, 58 Hendee Lane, Pittsford, VT 05763, USA.

Keywords - Theme:

Parameter Topic Term Source Sensor
OZONE ATMOSPHERE ATMOSPHERIC CHEMISTRY TOWER  
TRACE GASES ATMOSPHERE ATMOSPHERIC CHEMISTRY TOWER  
DIURNAL MOVEMENTS ATMOSPHERE ATMOSPHERIC FLUX TOWER  
CONVECTION ATMOSPHERE ATMOSPHERIC WINDS TOWER  

Uncontrolled Theme Keyword(s):  Wet season campaign

Keywords - Place (with associated coordinates):

Region
(click to view profile)
Site
(click to view profile)
North South East West
Rondonia Fazenda Nossa Senhora -10.07800 -10.07800 -61.93310 -61.93310

Related Publication(s):

Betts, A. K., L.V. Gatti, A.M. Cordova, M. A. F. Silva Dias, and J. D. Fuentes, (2002) Transport of ozone to the surface by convective downdrafts at night, Journal of Geophysical Research-Atmospheres, 107(D20). ftp://daacl.esd.ornl.gov/mjg/lba/Betts/Bettsgatti.pdf

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