Daniel Meyer-KohlstockCity of Schwerin, Mecklenburg-Vorpommern, Germany · Department of Immission Control and Environmental Planning
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Citations since 2017
1 Research Item
Daniel Meyer-Kohlstock currently works at the Department of Immission Control and Environmental Planning in the City of Schwerin, which is part of the Hamburg Metropolitan Region. Daniel is looking for ways to sustainably improve the living conditions for the city's residents and guests, e.g., by organizing a new climate action plan. He is still interested in his former, relatively broad research on sustainable material- and energy-flows, especially when it involves biochar.
January 2023 - present
City of Schwerin
- Daniel Meyer-Kohlstock currently works at the Department of Immission Control and Environmental Planning in the City of Schwerin, which is part of the Hamburg Metropolitan Region. Daniel is looking for ways to sustainably improve the living conditions for the city's residents and guests, e.g., by organizing a new climate action plan. He is still interested in his former, relatively broad research on sustainable material- and energy-flows, especially when it involves biochar.
January 2012 - November 2015
Bauhaus Universität Weimar
- Work Package Leader
- European project FERTIPLUS – Reducing mineral fertiliser use by recycling organic waste to compost and biochar.
Previous publications about biochar in anaerobic digestion show encouraging results with regard to increased biogas yields. This work investigates such effects in a solid-state fermentation of bio-waste. Unlike in previous trials, the influence of biochar is tested with a setup that simulates an industrial-scale biogas plant. Both the biogas and th...
While several EU member states have working compost markets, only about one third of the bio-waste, around 35 Mio tons is used to produce compost, and to some degree, biogas. The major part is still incinerated or landfilled together with other waste. This paper proposes the improvement of existing and the creation of new compost markets based on t...
Based on a recent survey of German composting plants an evaluation of costs and benefits of composting was attempted. In this regard, several economical, ecological and legal aspects and some interrelations are discussed in this paper. A special emphasis is placed on the fees and compost prices of composting plants. It is also shown how the legal f...
The scientific study of biochar (charcoal) as soil amendment has increased in recent years, partly because of its potential as carbon sink. The aim of this review is to present biochar in its whole diversity, illuminating past, present, and possible future impacts on human life and its environment. The review starts with a look back into history an...
In the early 2000s the pre-Columbian, anthropologically produced black soil in the Amazon basin, „Terra Preta de Índio“, received greater scientific attention. Compared to the surrounding poor soils, this very fertile anthrosol contains significantly higher levels of microorganisms and nutrients. The reason for this was determined to be the likewis...
Localised material cycles reduce transport costs and increase supply security. While for many high-tech products such localised cycles are hardly possible, they make a lot of sense for many food and other organic products. Yet, it is not a technological problem to grow and distribute food within and in close proximity to cities. Neither is it a tec...
It is hypothesized that with small nutrient cycles in urban farming, including Terra Preta Sanitation, the major part of the biogenic nutrient potential in faeces, urine, grey water and bio-waste could be recycled. And it is further hypothesized that this would be more efficient than to use this potential for the partial replacement of mineral fert...
There is a large potential of organic residues from municipalities in the European Union. Most of the potential is not utilised yet, but wasted by being landfilled. However, the recycling rates for these residues differ to a great degree between member states, regions and cities. The mobilisation of bio and green waste can be promoted by European...
Municipal organic waste is seen as one possible feedstock for biochar. Whereas many research projects focus on the agricultural application of such biochar, this presentation argues to better utilise the feedstock where it is generated, within cities. The renewed advent of urban agriculture in Europe may provide the base for exactly that.
I came upon a real planning case, where a small street with a max speed of 30 km/h requires a complete makeover. The existing cobble stones can either be replaced by new ones or by asphalt. Some aspects beside, like historic ambience, noise emissions, or rainwater infiltration, which alternative would have which global warming potential (GWP), roughly estimated?
In my search for an answer I first found the publication of Santero and Horvath (2009) regarding the "Global warming potential of pavements". Following its citations I came across several publications about asphalt, concrete, and their respective innovations, also regarding their GWP. I even came across a paper by Lo Presti and D'Angelo (2017) regarding their "Review and comparison of freely-available tools for pavement carbon footprinting in Europe". However, I did not find any comparison between asphalt and cobblestone. Probably because the latter does not play a major role for today's streets. Suggestions are welcome!