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RRS "Charles Darwin" Cruise CD170 and RV "Knorr" Cruise KN182-2. RAPID mooring cruise report April - May 2005

RRS "Charles Darwin" Cruise CD170 and RV "Knorr" Cruise KN182-2. RAPID mooring cruise report April - May 2005
RRS "Charles Darwin" Cruise CD170 and RV "Knorr" Cruise KN182-2. RAPID mooring cruise report April - May 2005
This report describes the mooring operations conducted during RRS Charles Darwin Cruise CD170 and RV Knorr Cruise KN182-2. Cruise CD170 was conducted between 2 April 2005 and 27 April 2005, and Cruise KN182-2 was conducted between 2 May 2005 and 26 May 2005.

These cruises were completed as part of the United Kingdom Natural Environment Research Council (NERC) funded RAPID Programme and the United States of America National Science Federation (NSF) funded MOCHA Programme to monitor the Atlantic Meridional Overturning Circulation at 26.5ºN. The primary purpose of these cruises was to service the 26.5ºN mooring array deployed in 2004 during RRS Discovery cruises D277 and D278 (cruise report number 53).

Cruise CD170 was from Tenerife to Bermuda, and covered the Eastern Boundary and Mid-Atlantic Ridge moorings deployed on D277. On arrival in Bermuda equipment and personnel were transferred to the RV Knorr, with Cruise KN182-2 covering the Western Boundary moorings deployed on Cruise D278. These cruises are the first annual refurbishment an array of moorings deployed across the Atlantic in order to set up a pre-operational
prototype system to continuously observe the Atlantic Meridional Overturning Circulation (MOC). This array will be further refined and refurbished during subsequent years.

The mooring array deployed in 2004 consisted of 19 moorings from the National Oceanography Centre, Southampton (NOC – formerly the Southampton Oceanography Centre), with 3 from the Rosenstiel School of Marine and Atmospheric Science (RSMAS), University of Miami. The replacement array deployed in 2005 consisted of 24 NOC moorings, and 5 RSMAS moorings. Moorings are focused at the Eastern and Western
boundaries, along with a grouping at the Mid Atlantic Ridge.

The instruments deployed on the array consists of a variety of current meters, bottom pressure recorders and CTD loggers which, combined with time series measurements of the Florida Channel Current and wind stress estimates, will be used to determine the strength and structure of the MOC at 26.5ºN.
Atlantic Ocean, bottom pressure recorder, BPR, cruise CD170 2005, cruise KN182-2 2005, CTD, current meter, Charles Darwin, Knorr, Meridional Overturning Circulation, MOC, mooring array, Moorings, North Atlantic, RAPID, RAPIDMOC, THC, thermohaline circulation
2
National Oceanography Centre
Cunningham, S.A.
07f1bd78-d92f-478b-a016-b92f530142c3
Rayner, D.
60eaf35c-c54e-447b-8551-efc08637d122
Cunningham, S.A.
07f1bd78-d92f-478b-a016-b92f530142c3
Rayner, D.
60eaf35c-c54e-447b-8551-efc08637d122

Cunningham, S.A. and Rayner, D. (2006) RRS "Charles Darwin" Cruise CD170 and RV "Knorr" Cruise KN182-2. RAPID mooring cruise report April - May 2005 (National Oceanography Centre Southampton Cruise Report, 2) Southampton, UK. National Oceanography Centre 148pp.

Record type: Monograph (Project Report)

Abstract

This report describes the mooring operations conducted during RRS Charles Darwin Cruise CD170 and RV Knorr Cruise KN182-2. Cruise CD170 was conducted between 2 April 2005 and 27 April 2005, and Cruise KN182-2 was conducted between 2 May 2005 and 26 May 2005.

These cruises were completed as part of the United Kingdom Natural Environment Research Council (NERC) funded RAPID Programme and the United States of America National Science Federation (NSF) funded MOCHA Programme to monitor the Atlantic Meridional Overturning Circulation at 26.5ºN. The primary purpose of these cruises was to service the 26.5ºN mooring array deployed in 2004 during RRS Discovery cruises D277 and D278 (cruise report number 53).

Cruise CD170 was from Tenerife to Bermuda, and covered the Eastern Boundary and Mid-Atlantic Ridge moorings deployed on D277. On arrival in Bermuda equipment and personnel were transferred to the RV Knorr, with Cruise KN182-2 covering the Western Boundary moorings deployed on Cruise D278. These cruises are the first annual refurbishment an array of moorings deployed across the Atlantic in order to set up a pre-operational
prototype system to continuously observe the Atlantic Meridional Overturning Circulation (MOC). This array will be further refined and refurbished during subsequent years.

The mooring array deployed in 2004 consisted of 19 moorings from the National Oceanography Centre, Southampton (NOC – formerly the Southampton Oceanography Centre), with 3 from the Rosenstiel School of Marine and Atmospheric Science (RSMAS), University of Miami. The replacement array deployed in 2005 consisted of 24 NOC moorings, and 5 RSMAS moorings. Moorings are focused at the Eastern and Western
boundaries, along with a grouping at the Mid Atlantic Ridge.

The instruments deployed on the array consists of a variety of current meters, bottom pressure recorders and CTD loggers which, combined with time series measurements of the Florida Channel Current and wind stress estimates, will be used to determine the strength and structure of the MOC at 26.5ºN.

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More information

Published date: 2006
Keywords: Atlantic Ocean, bottom pressure recorder, BPR, cruise CD170 2005, cruise KN182-2 2005, CTD, current meter, Charles Darwin, Knorr, Meridional Overturning Circulation, MOC, mooring array, Moorings, North Atlantic, RAPID, RAPIDMOC, THC, thermohaline circulation

Identifiers

Local EPrints ID: 21035
URI: http://eprints.soton.ac.uk/id/eprint/21035
PURE UUID: b6e7c7a7-af93-423e-a849-2efae3a84ba9

Catalogue record

Date deposited: 08 Mar 2006
Last modified: 09 Apr 2024 16:35

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Contributors

Author: S.A. Cunningham
Author: D. Rayner

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