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  • Kylander, Malin E.Stockholms universitet,Institutionen för geologiska vetenskaper (author)

Mineral dust as a driver of carbon accumulation in northern latitudes

  • Article/chapterEnglish2018

Publisher, publication year, extent ...

  • 2018-05-02
  • Springer Science and Business Media LLC,2018
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:research.chalmers.se:4e8ef8f4-2472-4bab-8f66-526d2210c53d
  • https://research.chalmers.se/publication/503177URI
  • https://research.chalmers.se/publication/503275URI
  • https://doi.org/10.1038/s41598-018-25162-9DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-147806URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-156591URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:art swepub-publicationtype
  • Subject category:ref swepub-contenttype

Notes

  • Peatlands in northern latitudes sequester one third of the world's soil organic carbon. Mineral dusts can affect the primary productivity of terrestrial systems through nutrient transport but this process has not yet been documented in these peat-rich regions. Here we analysed organic and inorganic fractions of an 8900-year-old sequence from Store Mosse (the "Great Bog") in southern Sweden. Between 5420 and 4550 cal yr BP, we observe a seven-fold increase in net peat-accumulation rates corresponding to a maximum carbon-burial rate of 150 g C m(-2) yr(-1) -more than six times the global average. This high peat accumulation event occurs in parallel with a distinct change in the character of the dust deposited on the bog, which moves from being dominated by clay minerals to less weathered, phosphate and feldspar minerals. We hypothesize that this shift boosted nutrient input to the bog and stimulated ecosystem productivity. This study shows that diffuse sources and dust dynamics in northern temperate latitudes, often overlooked by the dust community in favour of arid and semi-arid regions, can be important drivers of peatland carbon accumulation and by extension, global climate, warranting further consideration in predictions of future climate variability.

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Added entries (persons, corporate bodies, meetings, titles ...)

  • Martinez-Cortizas, A.Universidade de Santiagode Compostela (author)
  • Bindler, RichardUmeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum(Swepub:umu)ribi0001 (author)
  • Kaal, JoeriUniversidade de Santiagode Compostela (author)
  • Sjöström, Jenny K.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)jesj2932 (author)
  • Hansson, Sophia V.Århus Universitet,Aarhus University (author)
  • Silva-Sanchez, NoemiUniversidade de Santiagode Compostela (author)
  • Greenwood, Sarah L.Stockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)sgree (author)
  • Gallagher, KerryUniversité de Rennes 1,University of Rennes 1 (author)
  • Rydberg, JohanUmeå universitet,Institutionen för ekologi, miljö och geovetenskap(Swepub:umu)jonryg02 (author)
  • Mörth, Carl-MagnusStockholms universitet,Institutionen för geologiska vetenskaper(Swepub:su)morth (author)
  • Rauch, Sebastien,1971Chalmers tekniska högskola,Chalmers University of Technology(Swepub:cth)sebr (author)
  • Stockholms universitetInstitutionen för geologiska vetenskaper (creator_code:org_t)

Related titles

  • In:Scientific Reports: Springer Science and Business Media LLC8:12045-23222045-2322

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