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The relationship between annual varve thickness and maximum annual discharge (1909-1971)

Författare:
Publiceringsår: 2002
Språk: Engelska
Sidor: 23-35
Publikation/Tidskrift/Serie: Journal of Hydrology
Volym: 263
Nummer: 1-4
Dokumenttyp: Artikel
Förlag: Elsevier Science B.V.

Sammanfattning

Annually laminated (varved) sediments from the River Angermanalven, mid-central Sweden, have been used to construct an annual 2000-year long record of varve thickness. Maximum daily annual discharge and mean varve thickness for the years 1909-1971 are significantly correlated (r = 0.87). A relationship between maximum daily annual discharge for the observed period (1909-1971) and varve thickness was determined. The return time of two exceptionally thick varves in the 2000-year long record at the years 658 and 492 AD were estimated and their likelihood estimated based on a Gumbel frequency analysis. (C) 2002 Elsevier Science B.V. All rights reserved.

Disputation

Nyckelord

  • Earth and Environmental Sciences
  • maximum daily annual discharge
  • River Angermanalven
  • quantitative flood reconstruction
  • mid-central Sweden
  • 2000-year record
  • Gumbel
  • varve thickness

Övriga

Published
Yes
  • ISSN: 0022-1694

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