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SPREADING OF ANTARCTIC BOTTOM WATER IN THE ATLANTIC OCEAN

https://doi.org/10.24057/2071-9388-2012-5-4-24-32

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Abstract

This paper describes the transport of bottom water from its source region in the Weddell Sea through the abyssal channels of the Atlantic Ocean. The research brings together the recent observations and historical data. A strong flow of Antarctic Bottom Water through the Vema Channel is analyzed. The mean speed of the flow is 30 cm/s. A temperature increase was found in the deep Vema Channel, which has been observed for 30 years already. The flow of bottom water in the northern part of the Brazil Basin splits. Part of the water flows through the Romanche and Chain fracture zones. The other part flows to the North American Basin. Part of the latter flow propagates through the Vema Fracture Zone into the Northeast Atlantic. The properties of bottom water in the Kane Gap and Discovery Gap are also analyzed.

About the Authors

Eugene Morozov

Russian Federation
Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky pr. 36, 117997, Moscow, Russia


Roman Tarakanov

Russian Federation
Shirshov Institute of Oceanology, Russian Academy of Sciences, Nakhimovsky pr. 36, 117997, Moscow, Russia


Walter Zenk

Germany
Helmholtz Center for Ocean Research, GEOMAR, Düsternbrokerweg 20, D-24105, Kiel, Germany


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For citation:


Morozov E., Tarakanov R., Zenk W. SPREADING OF ANTARCTIC BOTTOM WATER IN THE ATLANTIC OCEAN. GEOGRAPHY, ENVIRONMENT, SUSTAINABILITY. 2012;5(4):24-32. https://doi.org/10.24057/2071-9388-2012-5-4-24-32

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ISSN 2071-9388 (Print)
ISSN 2542-1565 (Online)