Description

This data set reports measurements of trace gas fluxes of methane (CH4), nitric oxide (N2O), nitrous oxide (NO), carbon dioxide (CO2) from soils at a study site in the Tapajos National Forest (TNF), near the km 83 on the Santarem-Cuiaba Highway south of Santarem, Para, Brazil. Data for root mass and carbon content, soil nitrogen (N), nitrification, and moisture content are also provided. There are five comma-delimited data files with this data set.The research was conducted to test the effects of root mortality on the soil-atmosphere trace-gas fluxes over the course of one year. Root mortality was induced by isolating blocks of land to 1 m depth using trenching and root exclusion screening. Gas fluxes were measured weekly for ten weeks following the trenching treatment and monthly for the remainder of the year.Note: The related data set LBA-ECO TG-07 Soil Trace Gas Flux and Root Mortality, Tapajos National Forest contains the same flux data that were measured weekly for ten weeks following the trenching treatment. This data set also provides the monthly data for the remainder of the year.

Resources

Format	Description	Link
21	Search results for publications that cite this dataset by its DOI.	https://scholar.google.com/scholar?q=10.3334%2FORNLDAAC%2F1116
21	This link allows direct data access via Earthdata login	https://daac.ornl.gov/daacdata/lba/trace_gases/TG07_Root_Mortality_Longterm/
33	Data Set Documentation	https://data.ornldaac.earthdata.nasa.gov/public/lba/trace_gases/TG07_Root_Mortality_Longterm/comp/TG07_Root_Mortality_Longterm.pdf
34	Browse Image	https://daac.ornl.gov/graphics/browse/project/square/lba_logo_square.png
21	Data set Landing Page DOI URL	https://doi.org/10.3334/ORNLDAAC/1116
21	ORNL DAAC Data Set Documentation	https://daac.ornl.gov/LBA/guides/TG07_Root_Mortality_Longterm.html

LBA-ECO TG-07 Long-Term Soil Gas Flux and Root Mortality, Tapajos National Forest

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