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User-oriented development of global emission inventories: Bottom-up modeling of emissions from land transport, aviation and shipping in the DLR project ELK

Hellekes, Jens and Ehrenberger, Simone and Thomsen, Nina and Brinkop, Sabine and Hendricks, Johannes and Weder, Christian Martin and Banyś, Paweł and Dasgupta, Isheeka and Feinauer, Mario and Löber, Manuel and Schripp, Tobias and Righi, Mattia and Schulz, Angelika (2023) User-oriented development of global emission inventories: Bottom-up modeling of emissions from land transport, aviation and shipping in the DLR project ELK. EGU General Assembly 2023, 2023-04-24 - 2023-04-28, Wien, Österreich. doi: 10.5194/egusphere-egu23-7711.

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Official URL: https://doi.org/10.5194/egusphere-egu23-7711


The transport sector accounts for about one quarter of worldwide anthropogenic carbon dioxide emissions. Since a robust growth in transport activity is expected over the coming decades, reducing associated emissions to mitigate human-caused climate change is a particular challenge. In order to achieve high-quality comparative monitoring, to develop scenarios for future emissions, and to enable a robust assessment of climate protection measures, the allocation of emissions to the subsector level is a necessary prerequisite. The DLR project ELK - EmissionsLandKarte (en.: emission map) contributes here in several respects: (1) requirements are specified in an application-based manner, i.e. compatibility with existing inventories, such as the ones generated for IPCC, is ensured and insufficiencies in spatial resolution and methodological detail are addressed, (2) an input database congruent with both statistical data and SSP scenarios is provided, and (3) bottom-up calculations are performed that allow attribution of climate impacts to specific transport services, as well as prospective analyses where, for example, activity levels change or alternative fuels affect regional emission factors. The resulting prototype global gas and particle emission inventories for land transport, aviation and shipping reflect the status quo as of 2019. For land transport, fine-grained activity and vehicle fleet data as well as technology-specific emission factors are applied. This allows emissions from passenger and freight transport to be disaggregated by mode and vehicle type. New approaches for spatial disaggregation of emissions will increase transparency of the methodology. For aviation, calculations are based on fleet composition and transport performance for both passenger and cargo traffic at the airport pair level, while real flight tracks serve as the foundation for spatial allocation. For both transport sectors, complementary analyses are performed to characterize particulate emissions in order to fill gaps in data availability. For shipping, transport performance on inland waterways and maritime routes are considered, including technical data describing propulsion and bunkering. Finally, all mode-specific results are subjected to an innovative uncertainty assessment aligned with the needs of other emission inventory creators through a detailed evaluation per uncertainty factor, as well as aggregated values for climate modelers and practitioners. The consistent assessment of uncertainty factors along the entire calculation chain, such as activity levels, emission factors, and proxy data used for spatial or temporal disaggregation, promotes comparability across all transport sectors. In this paper, we outline the new methodological approaches for mapping transport emissions and present first results.

Item URL in elib:https://elib.dlr.de/198216/
Document Type:Conference or Workshop Item (Poster)
Title:User-oriented development of global emission inventories: Bottom-up modeling of emissions from land transport, aviation and shipping in the DLR project ELK
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Hellekes, JensUNSPECIFIEDhttps://orcid.org/0000-0002-0080-3124UNSPECIFIED
Ehrenberger, SimoneUNSPECIFIEDhttps://orcid.org/0000-0002-2148-5129UNSPECIFIED
Thomsen, NinaUNSPECIFIEDhttps://orcid.org/0000-0002-4810-3450UNSPECIFIED
Brinkop, SabineDLR, IPAhttps://orcid.org/0000-0003-3167-203XUNSPECIFIED
Banyś, PawełUNSPECIFIEDhttps://orcid.org/0000-0001-9865-1482UNSPECIFIED
Löber, ManuelUNSPECIFIEDhttps://orcid.org/0000-0002-4492-952XUNSPECIFIED
Schripp, TobiasUNSPECIFIEDhttps://orcid.org/0000-0002-1594-7331UNSPECIFIED
Righi, MattiaDLR, IPAhttps://orcid.org/0000-0003-3827-5950UNSPECIFIED
Schulz, AngelikaUNSPECIFIEDhttps://orcid.org/0000-0002-8881-592XUNSPECIFIED
Date:25 April 2023
Refereed publication:No
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Emission inventory; Transport emissions; Land transport emissions; Aviation emissions; Shipping emissions
Event Title:EGU General Assembly 2023
Event Location:Wien, Österreich
Event Type:international Conference
Event Start Date:24 April 2023
Event End Date:28 April 2023
Organizer:European Geoscience Union (EGU)
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Impulse project emissions map [EO], V - DATAMOST - Daten & Modelle zur Mobilitätstransform
Location: Berlin-Adlershof , Hamburg , Neustrelitz , Oberpfaffenhofen , Stuttgart
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
Institute of Vehicle Concepts > Fahrzeugsysteme und Technologiebewertung
Institute of Transport Research > Spaces in Mobility and Transport Systems
Institute of Atmospheric Physics > Earth System Modelling
Air Transport Operations > Air Transport Operations and Infrastructure
Institute of Communication and Navigation > Nautical Systems
Institute of Combustion Technology > Chemical Kinetics and Analytics
Deposited By: Hellekes, Jens
Deposited On:18 Oct 2023 07:43
Last Modified:24 Apr 2024 20:58

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