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LBA-ECO ND-02 Soil Volumetric Water Content, Tapajos National Forest, Brazil

Data Set Overview

Data setLBA-ECO ND-02 Soil Volumetric Water Content, Tapajos National Forest, Brazil
DOI10.3334/ORNLDAAC/1061
Release date2012-02-15
ProjectLarge Scale Biosphere-Atmosphere
Time Period1999-05-19 to 2001-05-19

Description

This data set reports monthly measured soil volumetric water content (VWC) from a rainfall exclusion experiment that was conducted from 1999-2001 at the km 67 Seca Floresta site, Tapajos National Forest, Brazil. The purpose was to observe the potential effects of severe water stress on a humid Amazonian forest (Nepstad 2002). There are two ASCII comma delimited files with measured VWC, one for the control plot and one for the rainfall exclusion plot. These measured values were used by the authors to develop a model of daily changes in the distribution of water through the soil layers. The simulated daily VWC values are also provided in the file with the measured VWC. For comparison, results of VWC simulation for the control and treatment plots using a STELLA model which incorporates rainfall and plant water uptake are provided. There are two ASCII comma delimited files of simulated results. See Belk et. al., 2007 for details.

Documentation

Data set reference document

Citation

Belk, E.L., D. Markewitz, T. Rasmussen, C.J.R. de Carvalho, D.C. Nepstad, and E.A. Davidson. 2012. LBA-ECO ND-02 Soil Volumetric Water Content, Tapajos National Forest, Brazil . ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1061
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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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  • ND02_REE_Soil_VWC.pdf

Data Files

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Data File (Granule)File SizeDates
Seca_Floresta_actual_vs_simulated_VWC_control_plot.csv 8.8 KB 1999-05-19 - 2001-05-19
Seca_Floresta_actual_vs_simulated_VWC_treatment_plot.csv 8.8 KB 1999-05-19 - 2001-05-19
Seca_Floresta_simulated_VWC_treatment_plot.csv 101.3 KB 1999-05-19 - 2001-05-19
Seca_Floresta_simulated_VWC_control_plot.csv 110.9 KB 1999-05-19 - 2001-05-19

Download Statistics

Files related to this data set have been downloaded on 33 occasions since 2012-03-09, totaling 158 files.