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        <dc:title>Bottom-up simulations of methane and ethane emissions from global oil and gas systems 1980 to 2012</dc:title>
        <dc:creator>Höglund-Isaksson, L.</dc:creator>
        <dc:description>Existing bottom-up emission inventories of methane from global oil and gas systems do not well explain year-on-year variation in atmospheric methane estimated by top-down models. Using a novel bottom-up approach this study quantifies and attributes methane and ethane emissions from global oil and gas production from 1980 to 2012. Country-specific information on associated gas flows from published sources are combined with inter-annual variations in observed flaring of associated gas from satellite images from 1994 to 2010, to arrive at country-specific annual estimates of methane and ethane emissions from flows of associated gas. Results confirm trends from top-down models and indicate considerably higher methane and ethane emissions from oil production than previously shown in bottom-up inventories for this time period.</dc:description>
        <dc:publisher>Institute of Physics Publishing (IOP)</dc:publisher>
        <dc:date>2017-12-20</dc:date>
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        <dc:identifier>https://pure.iiasa.ac.at/id/eprint/14230/3/H%25C3%25B6glund-Isaksson_2017_Environ._Res._Lett._12_024007.pdf</dc:identifier>
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        <dc:identifier>https://pure.iiasa.ac.at/id/eprint/14230/10/erlaa583e_suppdata.pdf</dc:identifier>
        <dc:identifier>  Höglund-Isaksson, L. &lt;https://pure.iiasa.ac.at/view/iiasa/128.html&gt; ORCID: https://orcid.org/0000-0001-7514-3135 &lt;https://orcid.org/0000-0001-7514-3135&gt;  (2017).  Bottom-up simulations of methane and ethane emissions from global oil and gas systems 1980 to 2012.   Environmental Research Letters 12 (2) e024007. 10.1088/1748-9326/aa583e &lt;https://doi.org/10.1088/1748-9326%2Faa583e&gt;.       </dc:identifier>
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        <dc:doi>10.1088/1748-9326/aa583e</dc:doi></oai_dc:dc>
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