A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models
International audience Abstract. Arctic and boreal peatlands play a major role in the global carbon (C) cycle. They are particularly efficient at sequestering carbon because their high water content limits decomposition rates to levels below their net primary productivity. Their future in a climate-...
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Online Access: | https://hal.archives-ouvertes.fr/hal-03419700 https://doi.org/10.5194/essd-12-2365-2020 |
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ftccsdartic:oai:HAL:hal-03419700v1 2023-05-15T15:02:04+02:00 A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models Morel, Xavier Hansen, Birger Delire, Christine Ambus, Per Mastepanov, Mikhail Decharme, Bertrand Centre national de recherches météorologiques (CNRM) Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS) 2020 https://hal.archives-ouvertes.fr/hal-03419700 https://doi.org/10.5194/essd-12-2365-2020 en eng HAL CCSD Copernicus Publications info:eu-repo/semantics/altIdentifier/doi/10.5194/essd-12-2365-2020 hal-03419700 https://hal.archives-ouvertes.fr/hal-03419700 doi:10.5194/essd-12-2365-2020 ISSN: 1866-3508 Earth System Science Data https://hal.archives-ouvertes.fr/hal-03419700 Earth System Science Data, Copernicus Publications, 2020, 12 (4), pp.2365-2380. ⟨10.5194/essd-12-2365-2020⟩ [SDE]Environmental Sciences info:eu-repo/semantics/article Journal articles 2020 ftccsdartic https://doi.org/10.5194/essd-12-2365-2020 2021-11-13T23:30:33Z International audience Abstract. Arctic and boreal peatlands play a major role in the global carbon (C) cycle. They are particularly efficient at sequestering carbon because their high water content limits decomposition rates to levels below their net primary productivity. Their future in a climate-change context is quite uncertain in terms of carbon emissions and carbon sequestration. Nuuk fen is a well-instrumented Greenlandic fen with monitoring of soil physical variables and greenhouse gas fluxes (CH4 and CO2) and is of particular interest for testing and validating land-surface models. But knowledge of soil carbon stocks and profiles is missing. This is a crucial shortcoming for a complete evaluation of models, as soil carbon is one of the primary drivers of CH4 and CO2 soil emissions. To address this issue, we measured, for the first time, soil carbon and nitrogen density, profiles and stocks in the Nuuk peatland (64∘07′51′′ N, 51∘23′10′′ W), colocated with the greenhouse gas measurements. Measurements were made along two transects, 60 and 90 m long and with a horizontal resolution of 5 m and a vertical resolution of 5 to 10 cm, using a 4 cm diameter gouge auger. A total of 135 soil samples were analyzed. Soil carbon density varied between 6.2 and 160.2 kg C m−3 with a mean value of 50.2 kg C m−3. Mean soil nitrogen density was 2.37 kg N m−3. Mean soil carbon and nitrogen stocks are 36.3 kg C m−2 and 1.7 kg N m−2. These new data are in the range of those encountered in other arctic peatlands. This new dataset, one of very few in Greenland, can contribute to further development of joint modeling of greenhouse gas emissions and soil carbon and nitrogen in land-surface models. The dataset is open-access and available at https://doi.org/10.1594/PANGAEA.909899 (Morel et al., 2019b). Article in Journal/Newspaper Arctic Climate change Greenland greenlandic Nuuk Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) Arctic Greenland Nuuk ENVELOPE(-52.150,-52.150,68.717,68.717) Earth System Science Data 12 4 2365 2380 |
institution |
Open Polar |
collection |
Archive ouverte HAL (Hyper Article en Ligne, CCSD - Centre pour la Communication Scientifique Directe) |
op_collection_id |
ftccsdartic |
language |
English |
topic |
[SDE]Environmental Sciences |
spellingShingle |
[SDE]Environmental Sciences Morel, Xavier Hansen, Birger Delire, Christine Ambus, Per Mastepanov, Mikhail Decharme, Bertrand A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models |
topic_facet |
[SDE]Environmental Sciences |
description |
International audience Abstract. Arctic and boreal peatlands play a major role in the global carbon (C) cycle. They are particularly efficient at sequestering carbon because their high water content limits decomposition rates to levels below their net primary productivity. Their future in a climate-change context is quite uncertain in terms of carbon emissions and carbon sequestration. Nuuk fen is a well-instrumented Greenlandic fen with monitoring of soil physical variables and greenhouse gas fluxes (CH4 and CO2) and is of particular interest for testing and validating land-surface models. But knowledge of soil carbon stocks and profiles is missing. This is a crucial shortcoming for a complete evaluation of models, as soil carbon is one of the primary drivers of CH4 and CO2 soil emissions. To address this issue, we measured, for the first time, soil carbon and nitrogen density, profiles and stocks in the Nuuk peatland (64∘07′51′′ N, 51∘23′10′′ W), colocated with the greenhouse gas measurements. Measurements were made along two transects, 60 and 90 m long and with a horizontal resolution of 5 m and a vertical resolution of 5 to 10 cm, using a 4 cm diameter gouge auger. A total of 135 soil samples were analyzed. Soil carbon density varied between 6.2 and 160.2 kg C m−3 with a mean value of 50.2 kg C m−3. Mean soil nitrogen density was 2.37 kg N m−3. Mean soil carbon and nitrogen stocks are 36.3 kg C m−2 and 1.7 kg N m−2. These new data are in the range of those encountered in other arctic peatlands. This new dataset, one of very few in Greenland, can contribute to further development of joint modeling of greenhouse gas emissions and soil carbon and nitrogen in land-surface models. The dataset is open-access and available at https://doi.org/10.1594/PANGAEA.909899 (Morel et al., 2019b). |
author2 |
Centre national de recherches météorologiques (CNRM) Institut national des sciences de l'Univers (INSU - CNRS)-Météo France-Centre National de la Recherche Scientifique (CNRS) |
format |
Article in Journal/Newspaper |
author |
Morel, Xavier Hansen, Birger Delire, Christine Ambus, Per Mastepanov, Mikhail Decharme, Bertrand |
author_facet |
Morel, Xavier Hansen, Birger Delire, Christine Ambus, Per Mastepanov, Mikhail Decharme, Bertrand |
author_sort |
Morel, Xavier |
title |
A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models |
title_short |
A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models |
title_full |
A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models |
title_fullStr |
A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models |
title_full_unstemmed |
A new dataset of soil carbon and nitrogen stocks and profiles from an instrumented Greenlandic fen designed to evaluate land-surface models |
title_sort |
new dataset of soil carbon and nitrogen stocks and profiles from an instrumented greenlandic fen designed to evaluate land-surface models |
publisher |
HAL CCSD |
publishDate |
2020 |
url |
https://hal.archives-ouvertes.fr/hal-03419700 https://doi.org/10.5194/essd-12-2365-2020 |
long_lat |
ENVELOPE(-52.150,-52.150,68.717,68.717) |
geographic |
Arctic Greenland Nuuk |
geographic_facet |
Arctic Greenland Nuuk |
genre |
Arctic Climate change Greenland greenlandic Nuuk |
genre_facet |
Arctic Climate change Greenland greenlandic Nuuk |
op_source |
ISSN: 1866-3508 Earth System Science Data https://hal.archives-ouvertes.fr/hal-03419700 Earth System Science Data, Copernicus Publications, 2020, 12 (4), pp.2365-2380. ⟨10.5194/essd-12-2365-2020⟩ |
op_relation |
info:eu-repo/semantics/altIdentifier/doi/10.5194/essd-12-2365-2020 hal-03419700 https://hal.archives-ouvertes.fr/hal-03419700 doi:10.5194/essd-12-2365-2020 |
op_doi |
https://doi.org/10.5194/essd-12-2365-2020 |
container_title |
Earth System Science Data |
container_volume |
12 |
container_issue |
4 |
container_start_page |
2365 |
op_container_end_page |
2380 |
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1766334058526146560 |