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Introduction
The proposal aims to identify observational signals associated with changes in the overturning circulation and heat transport in the North Atlantic, exploiting the development of the monitoring system put in place by international programmes and the UK RAPID monitoring initiative. Our study aims to analyse both existing historical data obtained over the last 50 years and the latest emerging observations. Our approach is to apply a forward circulation model with an accompanying adjoint for the North Atlantic in order to identify how signals in the data are formed by external forcing and ocean physics. The adjoint provides a highly effective method of identifying the sensitivity of model signals and optimising the model towards selected data signals, which will be used together to identify how signals in the data are controlled. The study will focus on several themes: identifying how data signals along the western boundary and ocean interior are controlled using the adjoint approach; identifying the role of geostrophic eddies in limiting the adjoint approach; mapping hydrographic changes along the margins of the Atlantic from historical data and identifying the propagation of coastal wave modes from altimetric data.
Project Duration: 1 Sep 2005 - 28 Feb 2009
This project is funded by NERC - Lead Grant Ref. NE/C509266/1 - through the RAPID Climate Change NERC directed mode programme.
Access to data and information
Data and software supplied from this project to the BADC will be stored in the BADC RAPID archive.
Access to the archive is currently restricted to participants to this particular project. If you are a programme participant and would like to access this RAPID project data, then please apply for access* to the RAPID data.
You will be requested to abide by the
RAPID Climate Change Data Policy.
Data management, availability and use are ruled by the
RAPID Climate Change Programme Data Management Plan
(PDF document).
Access to Hadley Centre model data held at the BADC is subject to the signature of the NERC-Met Office agreement.
* Note that to apply for access to this dataset, you should first register as a BADC user (anyone is allowed to register). If you are already a registered BADC user, skip this step. If you have forgotten your BADC user ID and/or password, please contact the BADC helpdesk at badc@rl.ac.uk. To register as a new BADC user, please follow the instructions online.
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