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Shifts in precipita...
Shifts in precipitation during the last millennium in northern Scandinavia from lacustrine isotope records
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- Rosqvist, Gunhild C. (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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Leng, Melanie J. (author)
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Goslar, Tomasz (author)
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Sloane, Hilary J. (author)
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- Bigler, Christian (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap,Arcum
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- Cunningham, Laura (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Dadal, Anna (author)
- Umeå universitet,Institutionen för ekologi, miljö och geovetenskap
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- Bergman, Jonas (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Berntsson, Annika (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Jonsson, Christina (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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- Wastegård, Stefan (author)
- Stockholms universitet,Institutionen för naturgeografi och kvartärgeologi (INK)
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(creator_code:org_t)
- Elsevier BV, 2013
- 2013
- English.
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In: Quaternary Science Reviews. - : Elsevier BV. - 0277-3791 .- 1873-457X. ; 66, s. 22-34
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Subject headings
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- Here we present delta P-18(diatom) data from two high-latitude lakes; one has short residence time and a water isotopic composition (delta O-18(lake)) that fluctuate due to seasonal variations in precipitation and temperature, and the other has delta O-18(lake) that is influenced by longer lake water residence times and evaporation. The delta O-18(diatom) records reveal common responses to precipitation forcing over the past millennium. Relatively wet summers are inferred from delta O-18(diatom) between 1000 and 1080 AD, 1300 and 1440 AD, and during the early 19th century, coincided with periods of high cloud cover inferred from tree-ring carbon isotopes, and other data for high Arctic Oscillation index. While relatively dry summers with increasing influence of winter snow are indicated between 1600 and 1750 AD. The co-response between carbon isotopes in trees and oxygen isotopes in diatoms strengthens the relationship between cloud cover and precipitation and the hypothesis that these changes were the result of significant regional shifts in atmospheric circulation.
Subject headings
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Naturgeografi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Physical Geography (hsv//eng)
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Geologi (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Geology (hsv//eng)
Keyword
- Last millennium
- Lakes
- Isotope
- Diatoms
- Scandinavian climate
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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Rosqvist, Gunhil ...
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Leng, Melanie J.
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Goslar, Tomasz
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Sloane, Hilary J ...
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Bigler, Christia ...
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Cunningham, Laur ...
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show more...
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Dadal, Anna
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Bergman, Jonas
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Berntsson, Annik ...
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Jonsson, Christi ...
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Wastegård, Stefa ...
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show less...
- 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 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 Geology
- Articles in the publication
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Quaternary Scien ...
- By the university
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Stockholm University
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Umeå University