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LBA-ECO TG-03 Aeronet Aerosol Optical Thickness Measurements, Brazil: 1993-2005

Data Set Overview

Data setLBA-ECO TG-03 Aeronet Aerosol Optical Thickness Measurements, Brazil: 1993-2005
Release date2012-09-25
ProjectLarge Scale Biosphere-Atmosphere
Time Period1993-01-01 to 2005-01-01


This data set includes aerosol optical thickness measurements from the CIMEL sunphotometer for 22 sites in Brazil during the period from 1993-2005. The AERONET (AErosol RObotic NETwork) program is an inclusive federation of ground-based remote sensing aerosol networks established by AERONET and the PHOtometrie pour le Traitement Operationnel de Normalisation Satellitaire (PHOTONS) and greatly expanded by AEROCAN (the Canadian sunphotometer network) and other agency, institute and university partners. The goal is to assess aerosol optical properties and validate satellite retrievals of aerosol optical properties. The network imposes standardization of instruments, calibration, and processing. Data from this collaboration provides globally distributed observations of spectral aerosol optical depths, inversion products, and precipitable water in geographically diverse aerosol regimes. Three levels of data are available from the AERONET website: Level 1.0 (unscreened), Level 1.5 (cloud-screened), and Level 2.0 (cloud-screened and quality-assured). Data provided here are Level 2.0. There are 22 comma-delimited data files with this data set and one companion text file which contains the latitude, longitude, and elevation of the 22 sites.


Data set reference document


Schafer, J.S., T.F. Eck, B.N. Holben, P.E. Artaxo, M.A. Yamasoe, and S. Procopio. 2012. LBA-ECO TG-03 Aeronet Aerosol Optical Thickness Measurements, Brazil: 1993-2005. ORNL DAAC, Oak Ridge, Tennessee, USA.
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Large Scale Biosphere-Atmosphere : The Large-Scale Biosphere-Atmosphere Experiment in Amazonia (LBA) is an intensive scientific investigation of the tropical rainforest of Brazil and portions of adjacent countries. Like FIFE and BOREAS, this project uses intensive remote-sensing techniques and ground-based experiments to investigate the atmosphere-biosphere-hydrosphere dynamics of this large tropical region. The LBA Project encompasses several scientific disciplines, or components. The LBA-ECO component focuses on the question: "How do tropical forest conversion, regrowth, and selective logging influence carbon storage, nutrient dynamics, trace gas fluxes, and the prospect for sustainable land use in Amazonia?"

Project data set list for Large Scale Biosphere-Atmosphere .

Companion Files

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  • TG03_AOT_Sites.txt
  • TG03_AERONET_AOT.pdf

Data Files

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Data File (Granule)File SizeDatesLatitudeLongitude
930101_050101_Alta_Floresta_lev20.csv 6.3 MB 1993-06-21 - 2004-12-03 9.87S56.10W
980101_981231_Arica_lev20.csv 1.3 MB 1998-05-13 - 1998-12-31 18.47S70.31W
980101_981231_Concepcion_lev20.csv 670.8 KB 1998-06-30 - 1998-12-06 16.14S62.03W
950101_951231_Potosi_Mine_lev20.csv 42.2 KB 1995-09-03 - 1995-09-11 9.28S62.87W
000101_050101_Rio_Branco_lev20.csv 2.6 MB 2000-07-02 - 2004-11-26 9.96S67.87W
960101_971231_Los_Fieros_lev20.csv 531.9 KB 1996-07-13 - 1996-09-26 14.55S60.62W
930101_951231_Porto_Nacional_lev20.csv 296.6 KB 1993-07-24 - 1993-12-04 10.70S48.60W
930101_951231_Brasilia_lev20.csv 2.4 MB 1993-01-01 - 1995-12-31 15.92S47.90W
950101_951231_El_Refugio_lev20.csv 269.9 KB 1995-07-23 - 1995-10-03 14.77S62.03W
930101_050101_Cuiaba_lev20.csv 1.6 MB 1993-01-17 - 1995-11-15 15.73S56.02W
930101_951231_Santarem_lev20.csv 406.8 KB 1993-07-31 - 1995-11-21 2.43S54.75W
951231_930101_Tukurui_lev20.csv 229.2 KB 1993-07-28 - 1995-10-09 3.72S49.68W
940101_951231_Ji_Parana_lev20.csv 200.0 KB 1994-08-02 - 1995-10-08 10.86S61.80W
990101_050101_Abracos_Hill_lev20.csv 4.4 MB 1999-01-22 - 2004-07-01 10.76S62.36W
000101_050101_Cuiaba_Miranda_lev20.csv 2.3 MB 2001-03-23 - 2004-11-25 15.73S56.02W
950101_951231_Uberlandia_lev20.csv 187.1 KB 1995-09-12 - 1995-10-20 18.90S48.28W
990101_050101_Belterra_lev20.csv 2.7 MB 1999-09-21 - 2003-08-28 2.65S54.95W
970101_981231_Surinam_lev20.csv 92.1 KB 1998-03-06 - 1998-04-29 5.80S55.20W
990101_020101_Balbina_lev20.csv 2.3 MB 1999-09-27 - 2001-12-30 1.20S59.49W
000101_050101_Sao_Paulo_lev20.csv 3.1 MB 2000-11-08 - 2005-01-01 23.56S46.74W
950101_951231_Campo_Grande_lev20.csv 204.4 KB 1995-08-06 - 1995-11-13 20.45S54.62W
930101_931231_Jamari_lev20.csv 151.2 KB 1993-08-04 - 1993-10-27 8.63S62.75W

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Files related to this data set have been downloaded on 33 occasions since 2012-11-24, totaling 373 files.