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A Comparative Study of Velocity and Transport Estimates Along the Oleander Line Between Bermuda and New Jersey
Stockholm University, Faculty of Science, Department of Meteorology . Stockholm University, Faculty of Science, The Bolin Centre for Climate Research (together with KTH & SMHI).ORCID iD: 0000-0002-5538-545x
Number of Authors: 42025 (English)In: Earth and Space Science, E-ISSN 2333-5084, Vol. 12, no 4, article id e2024EA004090Article in journal (Refereed) Published
Abstract [en]

The Oleander project, a program to monitor upper ocean currents between Bermuda and New Jersey, started in fall 1992, at about the same time modern satellite altimetry began. This study has two purposes. First, it revisits earlier work that compared Oleander estimates of sea level with altimetry. They agree well with respect to mean surface transport, but the Oleander velocity data exhibit significant temporal variability principally due to a varying Ekman layer. Second, we compare Oleander and altimetry-derived transport estimates with a set of oceanographic products (OSCAR, GLORYS12, GREPV2, ARMOR3D) as well as with transport estimates from hydrography. All agree with respect to surface transport reflecting the dominant influence of altimetry. Upper ocean (0–1,000 m) transports agree poorly except for acoustic Doppler current profiler estimates, and dynamic height. The analysis products give completely different results with respect to total (surface to bottom) transport.

Place, publisher, year, edition, pages
2025. Vol. 12, no 4, article id e2024EA004090
Keywords [en]
merchant marine, ocean currents, repeat sampling
National Category
Oceanography, Hydrology and Water Resources
Identifiers
URN: urn:nbn:se:su:diva-242998DOI: 10.1029/2024EA004090ISI: 001464984000001Scopus ID: 2-s2.0-105002437653OAI: oai:DiVA.org:su-242998DiVA, id: diva2:1957120
Available from: 2025-05-08 Created: 2025-05-08 Last updated: 2025-05-08Bibliographically approved

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Chafik, Léon

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  • apa
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  • asciidoc
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