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| Titel |
Mean Dynamic Topography of the Black Sea, computed from altimetry, drifter measurements and hydrology data |
| VerfasserIn |
A. A. Kubryakov, S. V. Stanichny |
| Medientyp |
Artikel
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| Sprache |
Englisch
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| ISSN |
1812-0784
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| Digitales Dokument |
URL |
| Erschienen |
In: Ocean Science ; 7, no. 6 ; Nr. 7, no. 6 (2011-11-08), S.745-753 |
| Datensatznummer |
250004867
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| Publikation (Nr.) |
 copernicus.org/os-7-745-2011.pdf |
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| Zusammenfassung |
Mean Dynamic Topography (MDT) is a crucial parameter for estimating dynamic
topography, and, therefore, geostrophic circulation from satellite altimetry
measurements. In this work we use drifting buoy measurements, hydrographic
profiles and along-track Sea Level Anomalies (SLA) to reconstruct MDT of the
Black Sea by the "synthetic" method. Obtained MDT shows a lot of mesoscale
features, which are not present in previous MDT fields of the Black Sea,
mostly based on climatic data. Moreover, gradients of sea level in the
synthetic MDT are significantly higher compared to other fields, which is
evidence of more intense currents in the basin.
Validation of determined MDT field with independent dynamic heights and
drifter buoy velocities shows good quantitative and qualitative coincidence
over all Black Sea basin and improvements compare to previous fields.
New Black Sea MDT will improve quality of altimetry-derived geostrophic
velocities and lead to better understanding of the spatial and temporal
features of the upper layer dynamics. |
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