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Reviews and syntheses: Greenhouse gas exchange data from drained organic forest soils-A review of current approaches and recommendations for future research

Artikel i vetenskaplig tidskrift
Författare Jyrki Jauhiainen
Jukka Alm
Brynhildur Bjarnadottir
Ingeborg Callesen
Jesper R. Christiansen
Nicholas Clarke
Lise Dalsgaard
Hongxing He
Sabine Jordan
Vaiva Kazanavičiute
Leif Klemedtsson
Ari Lauren
Andis Lazdins
Aleksi Lehtonen
Annalea Lohila
Ainars Lupikis
Ülo Mander
Kari Minkkinen
Åsa Kasimir
Mats Olsson
Paavo Ojanen
Hlynur Óskarsson
Bjarni D. Sigurdsson
Gunnhild Søgaard
Kaido Soosaar
Lars Vesterdal
Raija Laiho
Publicerad i Biogeosciences
Volym 16
Nummer/häfte 23
Sidor 4687-4703
ISSN 17264170
Publiceringsår 2019
Publicerad vid Institutionen för geovetenskaper
Institutionen för biologi och miljövetenskap
Sidor 4687-4703
Språk en
Ämneskategorier Geovetenskap och miljövetenskap, Klimatforskning

Sammanfattning

© Author(s) 2019. Drained organic forest soils in boreal and temperate climate zones are believed to be significant sources of the greenhouse gases (GHGs) carbon dioxide (CO2), methane (CH4) and nitrous oxide (N2O), but the annual fluxes are still highly uncertain. Drained organic soils exemplify systems where many studies are still carried out with relatively small resources, several methodologies and manually operated systems, which further involve different options for the detailed design of the measurement and data analysis protocols for deriving the annual flux. It would be beneficial to set certain guidelines for how to measure and report the data, so that data from individual studies could also be used in synthesis work based on data collation and modelling. Such synthesis work is necessary for deciphering general patterns and trends related to, e.g., site types, climate, and management, and the development of corresponding emission factors, i.e. estimates of the net annual soil GHG emission and removal, which can be used in GHG inventories. Development of specific emission factors also sets prerequisites for the background or environmental data to be reported in individual studies. We argue that wide applicability greatly increases the value of individual studies. An overall objective of this paper is to support future monitoring campaigns in obtaining high-value data.We analysed peer-reviewed public cations presenting CO2, CH4 and N2O flux data for drained organic forest soils in boreal and temperate climate zones, focusing on data that have been used, or have the potential to be used, for estimating net annual soil GHG emissions and removals. We evaluated the methods used in data collection and identified major gaps in background or environmental data. Based on these, we formulated recommendations for future research.

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