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                <text>Agricultura sostenible</text>
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                <text>Dominio científico: Agricultura sostenible</text>
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              <text>Review of Top-Down Method to Determine Atmospheric Emissions in Port. Case of Study: Port of Veracruz, Mexico</text>
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              <text>Gilberto Fuentes García, Rodolfo Sosa Echeverría, José María Baldasano Recio, Jonathan D. W. Kahl, Rafael Esteban Antonio Durán</text>
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              <text>Indicators of environmental policies in force in Mexico, fossil fuels will continue to be used in industrial sectors, especially marine fuels, such as marine diesel oil, in port systems for some time. Considering this, we have evaluated several methods corresponding to a top-down system for determining fuel consumption and sulfur dioxide atmospheric emissions for the port of Veracruz in 2020 by type of ship on a daily resolution, considering a sulfur content of 0.5% mass by mass in marine fuel. After analyzing seven methods for determining sulfur dioxide atmospheric emission levels, Goldsworthy’s method was found to be the best option to characterize this port. The port system has two maritime zones, one of which is in expansion, which represented 55.66% of fuel consumption and 23.05% of atmospheric emissions according to the typology of vessels. We found that higher fuel consumption corresponded to container vessels, and tanker vessels represented higher atmospheric emission levels in the berthing position. The main differences that we found in the analysis of the seven methods of the top-down system corresponded to the load factor parameter, main and auxiliary engine power, and estimation of fuel consumption by type of vessel.</text>
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          <name>Date</name>
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              <text>2022</text>
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          <name>Subject</name>
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              <text>Sulphur content, berthing position, emission factor, fuel consumption, gross tonnage, marine fuel</text>
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          <name>Identifier</name>
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              <text>10.3390/jmse10010096</text>
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              <text>Journal of Marine Science and Engineering</text>
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          <name>Publisher</name>
          <description>An entity responsible for making the resource available</description>
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              <text>MDPI AG</text>
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          <name>Coverage</name>
          <description>The spatial or temporal topic of the resource, the spatial applicability of the resource, or the jurisdiction under which the resource is relevant</description>
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              <text>Oceanography, Naval architecture. Shipbuilding. Marine engineering</text>
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          <description>A related resource</description>
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              <text>&lt;a href="https://www.mdpi.com/2077-1312/10/1/96" target="_blank" rel="noreferrer noopener"&gt;https://www.mdpi.com/2077-1312/10/1/96&lt;/a&gt;</text>
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