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Mooring Design Using Wave-State Estimate from the Southern Ocean

Citation

Schulz, EW and Grosenbaugh, MA and Pender, L and Greenslade, DJM and Trull, TW, Mooring Design Using Wave-State Estimate from the Southern Ocean, Journal of Atmospheric and Oceanic Technology, 28, (10) pp. 1351-1360. ISSN 0739-0572 (2011) [Refereed Article]


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Copyright Statement

Copyright 2011 AMS

DOI: doi:10.1175/JTECH-D-10-05033.1

Abstract

The Southern Ocean Flux Station was deployed near 47S, 140E. The extreme wind and wave conditions at this location require appropriate mooring design, which includes dynamic fatigue analysis and static analysis. An accurate estimate of the wave conditions was essential. A motion reference unit was deployed in a nearby test mooring for 6 months. The motion data provided estimates of significant wave height that agreed well with the Australian Bureau of Meteorology wave model, increasing confidence in the model performance in the Southern Ocean. The results of the dynamic fatigue analysis using three input wave datasets and implications for the mooring design are described. The design analysis predicts the fatigue life for critical mooring components and guided the final selection of links and chain shackles. The three input wave climatologies do not differ greatly, and this is reflected in minimal changes to mooring components for each of the fatigue analyses.

Item Details

Item Type:Refereed Article
Keywords:bouy observations
Research Division:Earth Sciences
Research Group:Oceanography
Research Field:Physical Oceanography
Objective Division:Environment
Objective Group:Other Environment
Objective Field:Antarctic and Sub-Antarctic Oceanography
Author:Trull, TW (Professor Thomas Trull)
ID Code:76928
Year Published:2011
Web of Science® Times Cited:3
Deposited By:CRC-Antarctic Climate & Ecosystems
Deposited On:2012-03-15
Last Modified:2015-03-01
Downloads:0

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