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Global Change Master Directory (GCMD)
LBA-ECO CD-04 Meteorological and Flux Data, km 83 Tower Site, Tapajos National Forest
Entry ID: LBACD04METFLUXES_946_1


Summary
Abstract: Tower flux measurements of carbon dioxide,water vapor, heat, and meteorological variables were obtained at the Tapajos National Forest, km 83 site, Santarem, Para, Brazil. For the period June 29, 2000 through March 11, 2004, 30-minute averaged and calculated quantities of fluxes of momentum, heat, water vapor, and carbon dioxide, storage of carbon dioxide in the air column, are reported. Data are reported in three comma separated files: (1) 30 minute-averages, (2) the daily (24 hour) averages, and (3) the monthly (calendar) averages.The variables measured on the 67 m tower relate to meteorology, soil moisture, respiration, fluxes of momentum, heat, water vapor, and carbon dioxide, and were used to calculate storage of carbon dioxide, Net Ecosystem Exchange, and Gross Primary Productivity. Most of the variables have not been gap filled. However, CO2 flux and storage have been filled to avoid biases in Net Ecosystem Exchange; a fill index flag is included to indicate which data points were filled. Variables derived from the filled variables (respiration, NEE, GPP) are essentially filled also. Net ecosystem exchange has been filtered for calm nighttime periods.

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Data Set Citation
Version: 1


Temporal Coverage
Start Date: 2000-07-01
Stop Date: 2004-03-12


Science Keywords
ATMOSPHERE >ATMOSPHERIC CHEMISTRY >CARBON AND HYDROCARBON COMPOUNDS >CARBON DIOXIDE    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >HEAT FLUX    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >NET RADIATION    [Definition]
ATMOSPHERE >ATMOSPHERIC RADIATION >SOLAR RADIATION    [Definition]
ATMOSPHERE >ATMOSPHERIC TEMPERATURE >SURFACE TEMPERATURE >AIR TEMPERATURE    [Definition]
ATMOSPHERE >ATMOSPHERIC WATER VAPOR >WATER VAPOR INDICATORS >WATER VAPOR    [Definition]
ATMOSPHERE >ATMOSPHERIC WINDS >SURFACE WINDS    [Definition]
ATMOSPHERE >PRECIPITATION >PRECIPITATION AMOUNT    [Definition]
BIOSPHERE >VEGETATION >PHOTOSYNTHETICALLY ACTIVE RADIATION    [Definition]
LAND SURFACE >SOILS >SOIL MOISTURE/WATER CONTENT    [Definition]
LAND SURFACE >SOILS >SOIL TEMPERATURE    [Definition]


ISO Topic Category
CLIMATOLOGY/METEOROLOGY/ATMOSPHERE
ENVIRONMENT


Platform
FIXED OBSERVATION STATIONS    [Information]
FIELD INVESTIGATION    [Information]


Instrument
SONIC ANEMOMETER    [Information]
IRGA >Infrared Gas Analyzers    [Information]
PYRANOMETERS    [Information]
RAIN GAUGES    [Information]
LICOR QUANTUM SENSOR    [Information]
NET RADIOMETERS    [Information]
TEMPERATURE SENSORS    [Information]
SOIL MOISTURE PROBE    [Information]
Thermocouples    [Information]


Project
LBA-ECO >Large Scale Biosphere-Atmosphere Experiment - Ecology    [Information]


Data Set Progress
COMPLETE


Data Center
THE OAK RIDGE NATIONAL LABORATORY (ORNL) DISTRIBUTED ACTIVE ARCHIVE CENTER (DAAC)    [Information]
Data Center URL: https://daac.ornl.gov/

Data Center Personnel
Name: NOT PROVIDED


Extended Metadata Properties
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Creation and Review Dates
Last DIF Revision Date: 2019-04-15



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