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CMS: Carbon Fluxes from Global Agricultural Production and Consumption, 2005-2011

Data Set Overview

Data setCMS: Carbon Fluxes from Global Agricultural Production and Consumption, 2005-2011
DOI10.3334/ORNLDAAC/1279
Release date2015-07-24
ProjectCarbon Monitoring System (CMS)
Time Period2005-01-01 to 2011-12-31

Description

This data set provides global estimates of carbon fluxes associate with annual crop net primary production (NPP) and harvested biomass, annual uptake and release by humans and livestock, and the total annual estimate of net carbon exchange (NCE) derived from these carbon fluxes. NCE estimates are for the combined crop plant harvest and consumption/expiration of fodder by livestock and of food by humans. Estimation of carbon uptake and release from global agricultural production and consumption required compilation and analysis of inventory data from various sources for the years 2005-2011. The flux estimates were spatially distributed to a global 0.05-degree resolution grid using MODIS land cover data. The quantities of carbon flux in each gridcell are represented in two ways: (1) where the quantities of carbon distributed to each gridcell were divided by the total gridcell area, resulting in average carbon fluxes per unit of total area (g C/m2/yr), and (2), where annual carbon fluxes associated with a source were summed over all types for the gridcell (Mg C/yr). The total surface area of the grid cells is provided. There are eight data files in netCDF format (.nc4) with this data set -- two files (per area and per gridcell) for each of the four flux source types. Data for all years are in each *.nc4 file.

Documentation

Data set reference document

Citation

Wolf, J., T.O. West, Y. Le Page, G. Kyle, X. Zhang, G.J. Collatz, and M.L. Imhoff. 2015. CMS: Carbon Fluxes from Global Agricultural Production and Consumption, 2005-2011. ORNL DAAC, Oak Ridge, Tennessee, USA. http://dx.doi.org/10.3334/ORNLDAAC/1279
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Project

Carbon Monitoring System (CMS): The NASA Carbon Monitoring System (CMS) is designed to make significant contributions in characterizing, quantifying, understanding, and predicting the evolution of global carbon sources and sinks through improved monitoring of carbon stocks and fluxes. The System will use the full range of NASA satellite observations and modeling/analysis capabilities to establish the accuracy, quantitative uncertainties, and utility of products for supporting national and international policy, regulatory, and management activities. CMS will maintain a global emphasis while providing finer scale regional information, utilizing space-based and surface-based data and will rapidly initiate generation and distribution of products both for user evaluation and to inform near-term policy development and planning.

Project data set list for Carbon Monitoring System (CMS).

Companion Files

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  • CMS_Global_Cropland_Carbon.pdf

Data Files

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Data File (Granule)File SizeDates
lvstk_2005_2011_gCm2.nc4 430.3 MB 2005-01-01 - 2011-12-31
human_2005_2011_MgC.nc4 183.4 MB 2005-01-01 - 2011-12-31
NCE_2005_2011_gCm2.nc4 146.3 MB 2005-01-01 - 2011-12-31
crop_2005_2011_gCm2.nc4 239.4 MB 2005-01-01 - 2011-12-31
human_2005_2011_gCm2.nc4 181.1 MB 2005-01-01 - 2011-12-31
lvstk_2005_2011_MgC.nc4 434.6 MB 2005-01-01 - 2011-12-31
NCE_2005_2011_MgC.nc4 144.8 MB 2005-01-01 - 2011-12-31
crop_2005_2011_MgC.nc4 201.7 MB 2005-01-01 - 2011-12-31

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Publications

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Files related to this data set have been downloaded on 45 occasions since 2015-09-26, totaling 431 files.