M4Models
Manure management for methane mitigation - Improved inventory modelling to support policy actions
Manure management is a main source of methane (CH4) emissions. Mitigation options such as biogas treatment exist, but effects cannot be verified and are not accounted for in inventories. The aim of the project is to reduce methane emissions from slurry in cattle and pig farming through manure management and manure treatment measures and to ensure that this can be reflected in the national calculations.
The M4Models project will investigate the reduction potential for greenhouse gas (GHG) emissions from livestock using a new methodology to determine methane (CH4) emissions from liquid manure storage combined with a model to describe carbon (C) and nitrogen (N) fluxes at farm level. This new methodology is transparent and provides verifiable estimates of greenhouse gas reduction. While the focus is on existing emission abatement technologies (in particular feeding and anaerobic digestion), the proposed methodology - after validation in this project - can be used to quantify the impact of abatement measures, and also in national emission inventories.
M4Models works towards the following objectives: - Quantification of CH4 emissions and N-availability of liquid manure including reduction measures; - Estimates of greenhouse gas reduction at the operational level through integration into operational models; - Improvement of CH4 emission estimates and greenhouse gas reduction potentials for national emission inventories
Coordinator
Aarhus University (AU), Denmark
Søren O. Petersen
Project partners
Leibniz Institute for Agricultural Engineering and Bioeconomy (ATB), Germany
Wageningen Livestock Research (WLR), Netherlands
Research Institutes of Sweden (RISE), Sweden
Lund University (LU), Sweden
Bioprocess Control Sweden AB (BPC), Sweden
Total requested funding
1,017,000 €
Start-end date
01.12.2019-30.11.2022
Project duration
36 months
Project website and social media
https://projects.au.dk/m4models/
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NEWS from M4Models
2020.05.18
support policy actions (M4Models) will investigate GHG mitigation for livestock production using a new methodology to determine CH4 emissions from manure management in combination with a farm model to describe C and N flows at farm level. If validated, this approach can produce verifiable estimates of GHG mitigation. The partners (Aarhus University, Denmark; RISE and Lund University, Sweden; ATB Potsdam, Germany; Wageningen LR, Netherlands; and the company BioProcess Control, Sweden) met in Denmark for a kickoff meeting in November 2019. Since then several virtual meetings have been held to discuss laboratory procedures to be adopted in all four partner countries, and procedures for on-farm monitoring. An existing model, FarmAC, will be modified to describe country-specific finishing pig farms and dairy farms, as basis for scenario development. The Covid-19 situation has delayed preparations, but not critically at this time.