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| Titel |
Meteoric Water, sea ice melt and Pacific Water and freshwater transports in the western Fram Strait from 1998-2009 |
| VerfasserIn |
Benjamin Rabe, Paul Dodd, Edmond Hansen, Andreas Mackensen, Eva Falck, Agnieszca Beszczynska-Möller, Gerhard Kattner, Peter Jones, Katharine Cox, Johan Nilsson |
| Konferenz |
EGU General Assembly 2011
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| Medientyp |
Artikel
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| Sprache |
Englisch
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| Digitales Dokument |
PDF |
| Erschienen |
In: GRA - Volume 13 (2011) |
| Datensatznummer |
250054978
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| Zusammenfassung |
| We present the late summer distribution and transports of freshwater components in the
upper western part of the Fram Strait for several years since 1998. Hydrographic
data and water values of δ18O, PO4 and NO3 have been analyzed to distinguish
Atlantic Water, Pacific Water (PW), sea ice melt (SIM) or freshwater removal from
sea ice formation (IFB), and Meteoric Water (precipitation and riverine sources;
MW).
In 2008 significant fractions of PW, up to 60%, were again present in the western Fram Strait,
although still less than in 1998. This is in contrast to several years of measurements between
2002 and 2005, when PW almost vanished in this region. The dominant ratio of MW to
IFB inventories west of 4oE was fairly constant. Concentrations of the different
water masses are further combined with volume transport estimates from an inverse
model to calculate water mass transports. Results are discussed in the context of
changes in large scale ocean circulation and regional processes on the Arctic shelves. |
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