Webinars and Knowledge exchange venture
NOBV regularly organizes webinars. The recordings
can be found on this page. This also includes
recordings of the Knowledge Exchange Venture
that NOBV organized from the end of 2020 to
mid-2022 in collaboration with the National
Knowledge Program for Land Subsidence (NKB)
and webinars in collaboration with the Netherlands
Peatland Innovation Program (VIPNL).
VIPNL/NOBV Webinar 30 January 2023: Clay in peat
Mechanisms in the soil, field trials, lab trials, availability of clay
- Mariet Hefting (Utrecht University/NOBV/VIPNL) gave a presentation on mechanisms in the soil. Why does peat break down and what effect does adding clay have on the process of peat degradation and on greenhouse gas emissions?
- Maaike van Agtmaal (Louis Bolk Institute/VIPNL) discussed practical tests with clay in peat. Which pilots are running? How many types of clay are there actually and is each type of clay usable?
- Moderator Frank Lenssinck (VIC/VIPNL) talked to Bernd van den Berg, Policy Advisor on subsidence in peat meadows at the Schieland and Krimpenerwaard Water Board, and Joyce Zuijdam (Rijkswaterstaat) about the possibilities and conditions for application in practice.
VIPNL/NOBV Webinar 21 November 2022: Farming at a high groundwater level
Mechanisms in the soil, practical tests, greenhouse gas measurements
- Joost Keuskamp (Utrecht University/NOBV) gave a presentation on soil mechanisms. Why does peat break down and why is it important to understand these mechanisms?
- Idse Hoving (WUR) discussed practical tests with a high groundwater level. Ype van der Velde (VU University/NOBV) then discussed the greenhouse gas emissions from these field trials.
- Presenter Roel van Gerwen (VIPNL) talked to Wim Honkoop (PPP Agro-advies) and dairy farmer Frank de Wit about their experiences in the field with a high groundwater level.
- Finally, Roel van Gerwen and Bert de Groot, Hoogheemraadschap de Stichtse Rijnlanden and a farmer, discussed the state of affairs.
Knowledge exchange venture 30 May 2022: measurements with eddy covariance, nitrous oxide measurements, spatial variation, scaling up and aircraft measurements
The knowledge exchange venture of 30 May took place in collaboration with the National Soil Subsidence Knowledge Program (NKB), Wageningen University (WU) and TNO.
- Bart Kruijt, researcher at WU in the field of climate change, carbon cycle, land-atmosphere interactions and the Amazon, discussed measuring the variation in CO2 and methane emissions with fixed and mobile eddy covariance;
- Researcher Arnoud Frumau of TNO explained nitrous oxide measurements using eddy covariance and advanced equipment;
- Ronald Hutjes, associate professor of land use-climate interactions at WU, zoomed in on integrating measurements between the plot and landscape scale with the aircraft measurements that WU performs within the NOBV.
Knowledge exchange venture 28 maart: mobile measurements, biochemical processes, nitrogen and the carbon cycle and innovations in measuring equipment
- Junior researcher Tom Heuts and Reinder Nouta, project leader and researcher at Wetterskip Fryslan, explained the mobile measurements that the RUN performs within the NOBV.
- Researcher Christian Fritz and Fons Smolder, professor by special appointment of biogeochemistry, discussed biochemical processes, nitrogen and the carbon cycle.
- Post-doc researcher Ralf Aben, together with PhD student Judith van der Knaap, zoomed in on locations where Radboud University conducts research and on innovations in the field of measuring equipment.
Webinar December 9, 2021. Two years of NOBV: where are we?
Climate tasking, greenhouse gas measurements, soil processes, modelling, monitoring
- Moderator Inge Diepman talked to NOBV program manager Pui Mee Chan (STOWA/NOBV) and Gilles Erkens (Deltares/UU), leader of the NOBV research consortium, about the background of the research and the initial findings.
- Ralf Aben (Radboud University Nijmegen) discussed measuring greenhouse gases.
- Mariet Hefting (Utrecht University) explained the soil processes that cause greenhouse gases.
- Jim Boonman (VU University) explained how findings can be modeled to better predict effects.
- Gilles Erkens (Deltares/Utrecht University) discussed the monitoring of measures in the peat meadow area to combat greenhouse gases and the need for long-term measurements.
- Finally, Douwe Jonkers (Ministry of Agriculture, Nature and Food Quality) joined to discuss the tasking in rural areas and the translation of data into policy.
VIPNL/NOBV webinar 5 October 2021: Cattail cultivation in the Dutch peat meadow area: where are we?
Pilots, sales opportunities, life cycle assessment, harvesting methods and carrying capacity, harvest time, nutrients and water, greenhouse gas measurements
- Moderator Pui Mee Chan (STOWA/program leader NOBV) talked to Ed Buijs (municipality of Amsterdam) about the pilot in the Burkmeer, among others.
- Jeroen Pijlman (Louis Bolk Institute) gave an overview of pilots in the Netherlands.
- Gerben Nij Bijvank (The Spring Company) discussed the market and sales opportunities for cattail.
- Marle de Jong explained the life cycle assessment (LCA) of cattail as insulation board material.
- Youri Egas (KTC Zegveld) and Monique Bestman (Louis Bolk Institute) visualized the construction of a plot of cattail, harvesting methods and carrying capacity of cattail.
- Jeroen Pijlman and Monique Bestman zoomed in on aspects such as harvest time, nutrients and water.
- Researcher Merit van den Berg (VU University) discussed greenhouse gas emissions from cattail cultivation.
Knowledge Exchange Venture 27 September 2021: subsidence research, modeling with SWAP-ANIMO, peat columns and nitrous oxide measurements
The Knowledge Exchange Venture on 27 September took place in collaboration with the National Soil Subsidence Knowledge Programme (NKB) and Wageningen Environmental Research (WENR). >> Click here to watch the Knowledge Exchange Venture.
- Soil, Water and Land Use researcher Rudi Hessel gave a brief explanation of the NOBV measurement sites in Zegveld and Lange Weide;
- Hydrology researcher Harry Massop zoomed in on the ongoing subsidence research performed by WENR in Zegveld as part of the NOBV, and on the connection between subsidence processes and greenhouse gas emissions;
- Soil physics and mechanics researcher Jan van den Akker examined modelling with SWAP-ANIMO, and PhD candidate Erne Blondeau discussed the peat column experiments that are being carried out for modelling purposes;
- Finally, PhD candidate Jordy van ‘t Hull gave an explanation of the nitrous oxide measurements that WENR carries out within the NOBV.
In the Knowledge Exchange Venture on 7 June 2021 in collaboration with Utrecht University and B-Ware, we discussed microbial processes in the soil that result in peat decomposition. What processes take place in the soil, and what are the variables that play a role in these? Researchers Mariet Hefting (Utrecht University), Gijs van Dijk (B-Ware) and Laura Knops (Utrecht University) took the participants through these soil processes and explained the effect they have on emissions. The participants were given a peek into Utrecht University’s lab via a vlog by Laura Knops. Naturally there was time for discussion and questions as well.
Knowledge Exchange Venture 15 March 2021: soil subsidence in relation to greenhouse gas emissions in peat meadow areas
In the Knowledge Exchange Venture of 15 March 2021, we collaborated with Deltares and TU Delft to discuss subsidence in relation to greenhouse gas emissions in peatland.
- Gilles Erkens, researcher at Deltares and leader of the NOBV research consortium, zoomed in on the connection between soil subsidence processes and greenhouse gas emissions in peatland;
- Researcher Sanneke van Asselen (Deltares) examined the measurement of soil movement, various measurement methods, and the initial measurement results and findings;
- We went into the field for a look at a soil sampling at one of the research sites, and also to the lab where the sampling, peat description and compression tests are carried out. Click here to watch the video.
- Finally, Ramon Hanssen, Professor of Geodesy (surveying) and Satellite Earth Observation at TU Delft, gave an explanation of the use of InSAR in peatland.
Knowledge Exchange Venture 14 December 2020: hydrology, Peatland-VU model and the effects of water management and the (climatic and hydrological) environment on conditions for microbes
On 14 December 2020, we organised an online Knowledge Exchange Venture in collaboration with VU Amsterdam.
Issues covered in this edition:
- Researcher Ype van der Velde (VU Amsterdam) gave an overview of the research currently undertaken by VU Amsterdam on the effects that measures have on greenhouse gas emissions;
- Ko van Huissteden (VU Amsterdam) discussed the Peatland-VU model and the complexity of modelling CO2 and methane fluxes from the soil;
- PhD candidate Jim Boonman (VU Amsterdam) zoomed in on his research into the effects of water management and the (climatological and hydrological) environment on conditions for microbes, in order to evaluate the vulnerability of peat soils. For his presentation, Jim Boonman also made a vlog from the field. You can view it here.
Knowledge Exchange Venture 29 June 2020
The first session of the Peatlands Greenhouse Gas Knowledge Exchange Venture was held on 29 June 2020, organised by STOWA, NOBV and the NKB. You can view the session here. Click here to see the vlogs.
What issues were covered in this edition?
- Pui Mee Chan, Knowledge Exchange Venture leader and NOBV programme leader, explained the NOBV’s background and objectives from the studio;
- Gilles Erkens, researcher at Deltares and leader of the NOBV research consortium, told us more about the measurement sites and methods as well as the measures taken to impact greenhouse gas emissions;
- NKB knowledge brokers Erik Jansen (Water infiltration systems) and Roelof Westerhof (Wet crops) were there to answer questions on these topics;
- Chris van Naarden (Ministry of Agriculture, Nature and Food Quality) explained the role of the Regiegroep Veenweiden (Peatlands Region Group);
- Mini-vlogs gave viewers a look at things in the field at various research sites.