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Glider Cruise Report No. 1. Bellamite and Dynamite, 15 Sep-24 Nov 2008 and 21 May-21 Jul 2009: RAPID glider deployment report

By D.A. Smeed

Abstract

This report describes the trial glider operations conducted as part of the RAPID-MOC project<br/>conducted between 15 September – 24 November 2008 and 21 May – 21 July 2009 between<br/>the Canary Islands and the coast of Morocco.<br/>The RAPID-MOC mooring array at 26.5°N is designed to quantify the strength and variability<br/>of the transport of mass and heat associated with the Atlantic meridional overturning<br/>circulation (MOC). Currently the majority of the measurements are made from moored<br/>instruments.<br/>The objective of this study was to assess the contribution that autonomous gliders could make<br/>to the monitoring array. In particular the focus was on the use of gliders on the shallow eastern<br/>boundary of the North Atlantic. This is the part of the RAPID array that has suffered the<br/>greatest loss of instruments, in large part due to suspected fishing activity on the continental<br/>slope. Furthermore, initial results (Chidichimo 2009) from the first three years of the RAPID<br/>array have shown that the largest contribution to the seasonal variation in the MOC is the<br/>variability of density on the eastern boundary in the upper 1000m.<br/>It is expected that gliders will be less susceptible to loss by fishing than the moored<br/>instruments. Another advantage of gliders is that data are retrieved in real-time via Iridium<br/>satellite communications, further reducing the risk of data loss.<br/>http://www.noc.soton.soton.ac.uk/rapidmoc<br/>and/or<br/>http://www.noc.soton.ac.uk/omf/projects/glider<br/

Topics: GC
Publisher: National Oceanography Centre Southampton
Year: 2009
OAI identifier: oai:eprints.soton.ac.uk:157097
Provided by: e-Prints Soton

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Citations

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