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LBA-ECO CD-02 Oxygen Isotopes of Plant Tissue Water and Atmospheric Water Vapor

Data Set Overview

Data setLBA-ECO CD-02 Oxygen Isotopes of Plant Tissue Water and Atmospheric Water Vapor
DOI10.3334/ORNLDAAC/1008
Release date2011-05-12
ProjectLarge Scale Biosphere-Atmosphere
Time Period1999-03-01 to 2004-09-30

Description

This data set reports the oxygen isotope signatures of water extracted from plant tissue (xylem from the stems and leaf tissue) and of atmospheric water vapor from twelve different sites (including both pasture and forest) throughout the Amazon region of Brazil. Samples were collected approximately every 4 months between 1999 and 2003 with additional samples collected monthly between January and May of 2003. In 2004 the collection of water samples from plant tissue continued at two sites, though water vapor collections were discontinued, and measurements of deuterium signatures were added to the analyses. In addition, water vapor from the troposphere was collected during a series of aircraft flights over the Tapajos National Forest in May of 2003 and analyzed for oxygen isotopes using the same methodology. There is one comma-delimited ASCII data file with this data set.

Documentation

Data set reference document

Citation

Ehleringer, J.R., L.A. Martinelli, C. Cook, T.F. Domingues, L. Flanagan, J.A. Berry, and J.P.H.B. Ometto. 2011. LBA-ECO CD-02 Oxygen Isotopes of Plant Tissue Water and Atmospheric Water Vapor. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1008
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Project

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_O_H_Isotopes.pdf

Data Files

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Data File (Granule)File SizeDates
CD02_Stable_Isotope_Water.csv 242.3 KB 1999-03-01 - 2004-09-30

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Files related to this data set have been downloaded on 20 occasions since 2011-12-22, totaling 46 files.