Weighing the ocean with bottom-pressure sensors: robustness of the ocean mass annual cycle estimate

Williams, Joanne ORCID: 0000-0002-8421-4481, Hughes, CW ORCID: 0000-0002-9355-0233, Tamisiea, ME and Williams, SDP (2014) Weighing the ocean with bottom-pressure sensors: robustness of the ocean mass annual cycle estimate. OCEAN SCIENCE, 10 (4). pp. 701-718.

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Abstract

<jats:p>Abstract. We use ocean bottom-pressure measurements from 17 tropical sites to determine the annual cycle of ocean mass. We show that such a calculation is robust, and use three methods to estimate errors in the mass determination. Our final best estimate, using data from the best sites and two ocean models, is that the annual cycle has an amplitude of 0.85 mbar (equivalent to 8.4 mm of sea level, or 3100 Gt of water), with a 95% chance of lying within the range 0.61–1.17 mbar. The time of the peak in ocean mass is 10 October, with 95% chance of occurring between 21 September and 25 October. The simultaneous fitting of annual ocean mass also improves the fitting of bottom-pressure instrument drift. </jats:p>

Item Type:	Article
Uncontrolled Keywords:	14 Life Below Water
Subjects:	?? GC ?? ?? QC ??
Depositing User:	Symplectic Admin
Date Deposited:	22 Jul 2015 10:37
Last Modified:	16 Mar 2024 05:53
DOI:	10.5194/os-10-701-2014
Related URLs:	Author Publisher
URI:	https://livrepository.liverpool.ac.uk/id/eprint/2017093