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LBA-ECO CD-02 Carbon, Nitrogen, Oxygen Stable Isotopes in Organic Material, Brazil

Data Set Overview

Data setLBA-ECO CD-02 Carbon, Nitrogen, Oxygen Stable Isotopes in Organic Material, Brazil
Release date2010-07-22
ProjectLarge Scale Biosphere-Atmosphere
Time Period1999-03-01 to 2004-08-31


This data set reports the measurement of stable carbon, nitrogen, and oxygen isotope ratios in organic material (plant, litter and soil samples) in forest canopy profiles and pasture (grasses and shrubs) as well as corresponding carbon and nitrogen tissue concentrations in a number of different sites across Brazil. The sampling design captured the temporal variation in rainfall over the course of several years. Carbon and nitrogen isotope ratios can act as a proxy for interpreting aspects of the carbon and nitrogen cycles in Amazonian rainforests. Data are in three comma-delimited ASCII files.


Data set reference document


Ehleringer, J.R., L.A. Martinelli, J.P.H.B. Ometto, T.F. Domingues, L. Flanagan, J.A. Berry, C. Cook, and G.B. Nardoto. 2010. LBA-ECO CD-02 Carbon, Nitrogen, Oxygen Stable Isotopes in Organic Material, Brazil. 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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  • CD02_C_N_O_Organic.pdf

Data Files

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Data File (Granule)File SizeDatesLatitudeLongitude
LBA-ECO_CD02_Stable_Isotopes_CN_Leaf_tissue.csv 124.6 KB 1999-11-01 - 2003-12-31 2.77S To 3.02S54.58W To 54.96W
LBA-ECO_CD02_Geographic_Variability_CN_Organic_Matter.csv 222.3 KB 2002-01-01 - 2003-10-31 0.14N To 15.15S47.51W To 66.46W
LBA-ECO_CD02_Stable_Isotope_CNO_Organic_Matter.csv 273.0 KB 1999-03-01 - 2004-08-31 2.00S To 10.76S54.58W To 62.36W


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