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Title: Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock

Abstract

Background: Livestock play an important role in carbon cycling through consumption of biomass and emissions of methane. Recent research suggests that existing bottom-up inventories of livestock methane emissions in the US, such as those made using 2006 IPCC Tier 1 livestock emissions factors, are too low. This may be due to outdated information used to develop these emissions factors. In this study, we update information for cattle and swine by region, based on reported recent changes in animal body mass, feed quality and quantity, milk productivity, and management of animals and manure. We then use this updated information to calculate new livestock methane emissions factors for enteric fermentation in cattle, and for manure management in cattle and swine.

Authors:
ORCiD logo; ;
Publication Date:
Research Org.:
Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1406780
Report Number(s):
PNNL-SA-126549
Journal ID: ISSN 1750-0680; 400409900
DOE Contract Number:  
AC05-76RL01830
Resource Type:
Journal Article
Journal Name:
Carbon Balance and Management
Additional Journal Information:
Journal Volume: 12; Journal Issue: 1; Journal ID: ISSN 1750-0680
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES

Citation Formats

Wolf, Julie, Asrar, Ghassem R., and West, Tristram O. Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock. United States: N. p., 2017. Web. doi:10.1186/s13021-017-0084-y.
Wolf, Julie, Asrar, Ghassem R., & West, Tristram O. Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock. United States. doi:10.1186/s13021-017-0084-y.
Wolf, Julie, Asrar, Ghassem R., and West, Tristram O. Fri . "Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock". United States. doi:10.1186/s13021-017-0084-y.
@article{osti_1406780,
title = {Revised methane emissions factors and spatially distributed annual carbon fluxes for global livestock},
author = {Wolf, Julie and Asrar, Ghassem R. and West, Tristram O.},
abstractNote = {Background: Livestock play an important role in carbon cycling through consumption of biomass and emissions of methane. Recent research suggests that existing bottom-up inventories of livestock methane emissions in the US, such as those made using 2006 IPCC Tier 1 livestock emissions factors, are too low. This may be due to outdated information used to develop these emissions factors. In this study, we update information for cattle and swine by region, based on reported recent changes in animal body mass, feed quality and quantity, milk productivity, and management of animals and manure. We then use this updated information to calculate new livestock methane emissions factors for enteric fermentation in cattle, and for manure management in cattle and swine.},
doi = {10.1186/s13021-017-0084-y},
journal = {Carbon Balance and Management},
issn = {1750-0680},
number = 1,
volume = 12,
place = {United States},
year = {2017},
month = {9}
}

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