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ORNL DAAC Data Set LBA-ECO ND-02 Cation Leaching from Forest and Pasture Soils, Para, Brazil

LBA-ECO ND-02 Cation Leaching from Forest and Pasture Soils, Para, Brazil
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Project: Large Scale Biosphere-Atmosphere

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?"

Data Set: LBA-ECO ND-02 Cation Leaching from Forest and Pasture Soils, Para, Brazil

Data Set: LBA-ECO ND-02 Cation Leaching from Forest and Pasture Soils, Para, Brazil
This data set provides a time series of calcium, magnesium, and potassium extracted from soil samples from a laboratory column extraction study conducted in 2002. Soils used in the columns were originally collected in 1998 in Fazenda Vitoria, a cattle ranch 6 km north of the town of Paragominas, Para, Brazil. The soils were from contrasting land uses of primary forest (mata), secondary forest (capoeira), or pasture (pasto). Water equilibrated with increasing concentrations of CO2 was used to extract cations from the soil columns. Data represent the time series of cation concentrations in the extract solutions as well as the total content of cations removed from the soils. There is one comma-delimited ASCII file with this data set.

Detailed Documentation: Data Set Reference Document

Companion Files:

Citation:

Citation:
Markewitz, D., E.A. Davidson, R.D.O. Figueiredo, P.R. Moutinho and D.C. Nepstad. 2012. LBA-ECO ND-02 Cation Leaching from Forest and Pasture Soils, Para, Brazil. Data set. Available on-line [http://daac.ornl.gov] from Oak Ridge National Laboratory Distributed Active Archive Center, Oak Ridge, Tennessee, U.S.A. http://dx.doi.org/10.3334/ORNLDAAC/1074

Data Set Files:

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All Data Taken At Latitude: 2.98S, Longitude: 47.52W

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