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The Effect of Tides on Dense Water Formation in Arctic Shelf Seas : Volume 7, Issue 2 (24/03/2011)

By Postlethwaite, C. F.

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Book Id: WPLBN0004020503
Format Type: PDF Article :
File Size: Pages 15
Reproduction Date: 2015

Title: The Effect of Tides on Dense Water Formation in Arctic Shelf Seas : Volume 7, Issue 2 (24/03/2011)  
Author: Postlethwaite, C. F.
Volume: Vol. 7, Issue 2
Language: English
Subject: Science, Ocean, Science
Collections: Periodicals: Journal and Magazine Collection, Copernicus GmbH
Publication Date:
Publisher: Copernicus Gmbh, Göttingen, Germany
Member Page: Copernicus Publications


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Morales Maqueda, M. A., Willmott, A. J., Fouest, V. L., Tattersall, G. R., Postlethwaite, C. F., & Holt, J. (2011). The Effect of Tides on Dense Water Formation in Arctic Shelf Seas : Volume 7, Issue 2 (24/03/2011). Retrieved from

Description: National Oceanography Centre, Joseph Proudman Building, 6 Brownlow Street, Liverpool, L3 5DA, UK. Ocean tides are not explicitly included in many ocean general circulation models, which will therefore omit any interactions between tides and the cryosphere. We present model simulations of the wind and buoyancy driven circulation and tides of the Barents and Kara Seas, using a 25 km × 25 km 3-D ocean circulation model coupled to a dynamic and thermodynamic sea ice model. The modeled tidal amplitudes are compared with tide gauge data and sea ice extent is compared with satellite data. Including tides in the model is found to have little impact on overall sea ice extent but is found to delay freeze up and hasten the onset of melting in tidally active coastal regions. The impact that including tides in the model has on the salt budget is investigated and found to be regionally dependent. The vertically integrated salt budget is dominated by lateral advection. This increases significantly when tides are included in the model in the Pechora Sea and around Svalbard where tides are strong. Tides increase the salt flux from sea ice by 50% in the Pechora and White Seas but have little impact elsewhere. This study suggests that the interaction between ocean tides and sea ice should not be neglected when modeling the Arctic.

The effect of tides on dense water formation in Arctic shelf seas

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