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LBA-ECO CD-06 Isotopic Composition of Carbon Fractions, Amazon Basin River Water

Data Set Overview

Data setLBA-ECO CD-06 Isotopic Composition of Carbon Fractions, Amazon Basin River Water
DOIhttps://doi.org/10.3334/ORNLDAAC/1120
Release date2012-09-21
ProjectLarge Scale Biosphere-Atmosphere Experiment (LBA-ECO)
Time period1991-08-12 to 2003-01-26

Usage Metrics

CountEarliest DateLatest DateData Usage
Downloads622012-11-242017-03-17189 total files downloaded

Description

This data set includes measurements of standard geochemical variables, dissolved CO2, dissolved inorganic carbon (DIC), dissolved organic carbon (DOC), fine particulate organic carbon (FPOC), and coarse particulate organic carbon (CPOC) in samples taken from 60 Amazonian river locations across the Amazon Basin from 1991 to 2003 (Mayorga et al., 2005). The 14C and 13C isotopic composition of DIC was measured on samples collected between 1991 and 2003. The 14C composition of organic carbon fractions was measured on samples collected from 1995 through 1996. There are four comma-delimited data files with this data set. Note that site descriptions include a categorization of each site by topography according to the percentage of the drainage area above 1,000 m elevation (Mayorga et al., 2005). Only means of geochemical and carbon-fraction results are provided. Both individual 13C and 14C measurements and mean results are provided.

Data set documentation

Citation

Mayorga, E., A.K. Aufdenkampe, C.A. Masiello, A.V. Krusche, J.I. Hedges, P.D. Quay, J.E. Richey, and T.A. Brown. 2012. LBA-ECO CD-06 Isotopic Composition of Carbon Fractions, Amazon Basin River Water. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/1120

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Data Files

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Data File (Granule)File SizeDates
C_fraction_delta_values_ind_samples.csv 9.1KB 1991-08-12 - 2003-01-26
Mean_C_fraction_delta_values.csv 1.9KB 1991-08-12 - 2003-01-26
Geochemical_property_means.csv 6.9KB 1991-08-12 - 2003-01-26
Sample_site_descriptions.csv 4.7KB 1991-08-12 - 2003-01-26

Companion Files

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Data set has 1 companion files.

  • CD06_C_Isotopes.pdf