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Solar activity during the last 1000 yr inferred from radionuclide records

Muscheler, Raimund LU orcid ; Joos, Fortunat ; Beer, Jurg ; Muller, Simon ; Vonmoos, Maura and Snowball, Ian LU (2006) In Quaternary Science Reviews 26. p.82-97
Abstract
Identification of the causes of past climate change requires detailed knowledge of one of the most important natural factors—solar forcing. Prior to the period of direct solar observations, radionuclide abundances in natural archives provide the best-known proxies for changes in solar activity. Here we present two independent reconstructions of changes in solar activity during the last 1000 yr, which are inferred from 10Be and 14C records. We analyse the tree-ring 14C data (SHCal, IntCal04 from 1000 to 1510 AD and annual data from

1511 to 1950 AD) and four 10Be records from Greenland ice cores (Camp Century, GRIP, Milcent and Dye3) together with two 10Be records from Antarctic ice cores (Dome Concordia and South Pole). In general,... (More)
Identification of the causes of past climate change requires detailed knowledge of one of the most important natural factors—solar forcing. Prior to the period of direct solar observations, radionuclide abundances in natural archives provide the best-known proxies for changes in solar activity. Here we present two independent reconstructions of changes in solar activity during the last 1000 yr, which are inferred from 10Be and 14C records. We analyse the tree-ring 14C data (SHCal, IntCal04 from 1000 to 1510 AD and annual data from

1511 to 1950 AD) and four 10Be records from Greenland ice cores (Camp Century, GRIP, Milcent and Dye3) together with two 10Be records from Antarctic ice cores (Dome Concordia and South Pole). In general, the 10Be and 14C records exhibit good agreement that allows us to obtain reliable estimates of past solar magnetic modulation of the radionuclide production rates. Differences between 10Be records from Antarctica and Greenland indicate that climatic changes have influenced the deposition of 10Be during some periods of the last 1000 yr. The radionuclide-based reconstructions of past changes in solar activity do not always agree with the sunspot record, which

indicates that the coupling between those proxies is not as close as has been sometimes assumed. The tree-ring 14C record and 10Be from Antarctica indicate that recent solar activity is high but not exceptional with respect to the last 1000 yr. (Less)
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publishing date
type
Contribution to journal
publication status
published
subject
in
Quaternary Science Reviews
volume
26
pages
82 - 97
publisher
Elsevier
ISSN
0277-3791
DOI
10.1016/j.qscirev.2006.07.012
language
English
LU publication?
yes
id
fa878de1-f844-443b-8fd9-599a7a4685b2 (old id 627255)
date added to LUP
2016-04-01 11:45:15
date last changed
2021-09-27 04:09:09
@article{fa878de1-f844-443b-8fd9-599a7a4685b2,
  abstract     = {{Identification of the causes of past climate change requires detailed knowledge of one of the most important natural factors—solar forcing. Prior to the period of direct solar observations, radionuclide abundances in natural archives provide the best-known proxies for changes in solar activity. Here we present two independent reconstructions of changes in solar activity during the last 1000 yr, which are inferred from 10Be and 14C records. We analyse the tree-ring 14C data (SHCal, IntCal04 from 1000 to 1510 AD and annual data from<br/><br>
1511 to 1950 AD) and four 10Be records from Greenland ice cores (Camp Century, GRIP, Milcent and Dye3) together with two 10Be records from Antarctic ice cores (Dome Concordia and South Pole). In general, the 10Be and 14C records exhibit good agreement that allows us to obtain reliable estimates of past solar magnetic modulation of the radionuclide production rates. Differences between 10Be records from Antarctica and Greenland indicate that climatic changes have influenced the deposition of 10Be during some periods of the last 1000 yr. The radionuclide-based reconstructions of past changes in solar activity do not always agree with the sunspot record, which<br/><br>
indicates that the coupling between those proxies is not as close as has been sometimes assumed. The tree-ring 14C record and 10Be from Antarctica indicate that recent solar activity is high but not exceptional with respect to the last 1000 yr.}},
  author       = {{Muscheler, Raimund and Joos, Fortunat and Beer, Jurg and Muller, Simon and Vonmoos, Maura and Snowball, Ian}},
  issn         = {{0277-3791}},
  language     = {{eng}},
  pages        = {{82--97}},
  publisher    = {{Elsevier}},
  series       = {{Quaternary Science Reviews}},
  title        = {{Solar activity during the last 1000 yr inferred from radionuclide records}},
  url          = {{http://dx.doi.org/10.1016/j.qscirev.2006.07.012}},
  doi          = {{10.1016/j.qscirev.2006.07.012}},
  volume       = {{26}},
  year         = {{2006}},
}