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Mineral dust as a d...
Mineral dust as a driver of carbon accumulation in northern latitudes
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- Kylander, Malin E. (author)
- Stockholms universitet,Institutionen för geologiska vetenskaper
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- Martinez-Cortizas, A. (author)
- Universidade de Santiagode Compostela
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- Bindler, Richard (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum
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- Kaal, Joeri (author)
- Universidade de Santiagode Compostela
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- Sjöström, Jenny K. (author)
- Stockholms universitet,Institutionen för geologiska vetenskaper
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- Hansson, Sophia V. (author)
- Århus Universitet,Aarhus University
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- Silva-Sanchez, Noemi (author)
- Universidade de Santiagode Compostela
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- Greenwood, Sarah L. (author)
- Stockholms universitet,Institutionen för geologiska vetenskaper
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- Gallagher, Kerry (author)
- Université de Rennes 1,University of Rennes 1
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- Rydberg, Johan (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Mörth, Carl-Magnus (author)
- Stockholms universitet,Institutionen för geologiska vetenskaper
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- Rauch, Sebastien, 1971 (author)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2018-05-02
- 2018
- English.
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In: Scientific Reports. - : Springer Science and Business Media LLC. - 2045-2322 .- 2045-2322. ; 8:1
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Abstract
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- 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.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Klimatforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Climate Research (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Multidisciplinär geovetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geosciences, Multidisciplinary (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences (hsv//eng)
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- By the author/editor
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Kylander, Malin ...
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Martinez-Cortiza ...
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Bindler, Richard
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Kaal, Joeri
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Sjöström, Jenny ...
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Hansson, Sophia ...
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show more...
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Silva-Sanchez, N ...
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Greenwood, Sarah ...
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Gallagher, Kerry
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Rydberg, Johan
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Mörth, Carl-Magn ...
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Rauch, Sebastien ...
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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Geology
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Physical Geograp ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Climate Research
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
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and Geosciences Mult ...
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Earth and Relate ...
- Articles in the publication
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Scientific Repor ...
- By the university
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Chalmers University of Technology
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Umeå University
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Stockholm University