2020
DOI: 10.5194/bg-2020-230
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Sub-soil irrigation does not lower greenhouse gas emission from drained peat meadows

Abstract: Abstract. Current water management in drained peatlands to facilitate agricultural use, leads to soil subsidence and strongly increases greenhouse gas (GHG) emission. High-density, sub-soil irrigation/drainage systems have been proposed as a potential climate mitigation measure, while maintaining high biomass production. In summer, sub-soil irrigation can potentially reduce peat decomposition by preventing groundwater tables to drop below −60 cm. In 2017–2018, we evaluated the effects of sub-soil irrig… Show more

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Cited by 4 publications
(5 citation statements)
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“…The minor fraction of the CO 2 flux related to the decomposition of organic soil in the total ecosystem respiratory CO 2 flux (in the order of magnitude of 5-10%) may have contributed to the difficulty in identifying statistically significant differences. Weideveld et al (2020) measured a similar difference in respiratory CO 2 flux between two drainage levels in a drained peat grassland. They equally had to conclude that there was no statistically significant difference in CO 2 flux between both drainage levels, possibly related to the very same high background ecosystem respiratory CO 2 flux.…”
Section: Statistical Analysis and Process-based Modellingmentioning
confidence: 68%
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“…The minor fraction of the CO 2 flux related to the decomposition of organic soil in the total ecosystem respiratory CO 2 flux (in the order of magnitude of 5-10%) may have contributed to the difficulty in identifying statistically significant differences. Weideveld et al (2020) measured a similar difference in respiratory CO 2 flux between two drainage levels in a drained peat grassland. They equally had to conclude that there was no statistically significant difference in CO 2 flux between both drainage levels, possibly related to the very same high background ecosystem respiratory CO 2 flux.…”
Section: Statistical Analysis and Process-based Modellingmentioning
confidence: 68%
“…Ammann et al 2020, Heimsch et al 2020, Zeeman et al 2010 or closed chambers (e.g. Hoffmann et al 2015, Spielmann et al 2020, Weideveld et al 2020.…”
Section: Measurement Methodologiesmentioning
confidence: 99%
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