Brückmann, Warner, Rhein, Monika, Rehder, Gregor, Bialas, Jörg and Kopf, Achim, eds. (2009) SUBFLUX, Cruise No. 66, August 12 – December 22, 2005, Las Palmas (Spain) – Talcahuano (Chile). . METEOR-Berichte, 09-2 . Leitstelle METEOR, Institut für Meereskunde der Universität Hamburg, Hamburg, Germany, 158 pp. DOI 10.2312/cr_m66.

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Abstract

The R/V METEOR M 66 cruise was carried out primarily in support of the "SFB" 574 (Volatiles
and Fluids in Subduction Zones), a Cooperative Research Center dedicated to understanding the
budget, reactions, and recycling of volatile elements in subduction zones and their role in climate
forcing. To address the short- and long-term variability of the Earth’s climate, the geochemical
evolution of the hydrosphere and atmosphere, and related processes that are all connected to the
return flow of volatiles and fluids from subduction zones, the SFB 574 is studying the Central
American forearc off Costa Rica and Nicaragua (Fig 1).
The goals of the initial, oceanographic leg of cruise M 66 were to obtain part of a 2-year time
series of the transport of southern hemispheric water through the passages into the Caribean, to
study the circulation and variability of the flow in the deep western boundary current and in the
interior of the basin, and to calculate time scales of deep water spreading from the Labrador Sea
to 16°N.

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