Rapid deep-water renewal in Lake Issyk-Kul (Kyrgyzstan) indicated by transient tracers

Hofer, Markus; Peeters, Frank; Aeschbach-Hertig, Werner; Brennwald, Matthias S.; Holocher, Johannes; Livingstone, David M.; Romanovski, Vladimir; Kipfer, Rolf

Rapid deep-water renewal in Lake Issyk-Kul (Kyrgyzstan) indicated by transient tracers

Dateien

Rapid_deep_water_renewal_in_Lake_Issyk_Kul_Kyrgyzstan_indicated_by_transient_tracers.pdfGröße: 310.56 KBDownloads: 373

Datum

2002

Autor:innen

Hofer, Markus

Peeters, Frank

Aeschbach-Hertig, Werner

Brennwald, Matthias S.

Holocher, Johannes

Livingstone, David M.

Romanovski, Vladimir

Kipfer, Rolf

URI (zitierfähiger Link)

http://nbn-resolving.de/urn:nbn:de:bsz:352-opus-44579

Link zur Lizenz

Attribution-NonCommercial-NoDerivs 2.0 Generic

Open Access-Veröffentlichung

Open Access Green

Sammlungen

Biologie

Publikationstyp

Zeitschriftenartikel

Publikationsstatus

Published

Erschienen in

Limnology and Oceanography. 2002, 47(4), pp. 1210-1216. ISSN 0024-3590. eISSN 1939-5590

Zusammenfassung

Simultaneous profiles of the transient tracers sulfur hexafluoride (SF6), 3H-3He, and the chlorofluorocarbons CFC-11 and CFC-12 were measured in Lake Issyk-Kul, a large, deep lake in Kyrgyzstan. Apparent water ages derived from these measurements suggest rapid mixing, with a deepwater renewal rate > 10% yr21 at 650 m depth. SF6 and 3H-3He ages agree reasonably well, whereas CFC ages are significantly greater. The discrepancy is explained by the nonlinear relationship between tracer age and tracer concentration and by the flattening of the atmospheric growth curves for CFCs. Novel to physical limnology is the application of SF6 dating, which proves to be an excellent tool for the study of mixing in lakes, complementing 3H-3He and CFC dating techniques.

Fachgebiet (DDC)

570 Biowissenschaften, Biologie

Schlagwörter

Lake Issyk-Kul, Kyrgyzstan, transient tracers

Zitieren

ISO 690

HOFER, Markus, Frank PEETERS, Werner AESCHBACH-HERTIG, Matthias S. BRENNWALD, Johannes HOLOCHER, David M. LIVINGSTONE, Vladimir ROMANOVSKI, Rolf KIPFER, 2002. Rapid deep-water renewal in Lake Issyk-Kul (Kyrgyzstan) indicated by transient tracers. In: Limnology and Oceanography. 2002, 47(4), pp. 1210-1216. ISSN 0024-3590. eISSN 1939-5590

BibTex

@article{Hofer2002Rapid-8079,
  year={2002},
  title={Rapid deep-water renewal in Lake Issyk-Kul (Kyrgyzstan) indicated by transient tracers},
  number={4},
  volume={47},
  issn={0024-3590},
  journal={Limnology and Oceanography},
  pages={1210--1216},
  author={Hofer, Markus and Peeters, Frank and Aeschbach-Hertig, Werner and Brennwald, Matthias S. and Holocher, Johannes and Livingstone, David M. and Romanovski, Vladimir and Kipfer, Rolf}
}

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Universitätsbibliographie

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