Preface &amp;quot;An historical perspective on the development of the Thermodynamic Equation of Seawater – 2010&amp;quot;

Pawlowicz, Rich; McDougall, Trevor J.; Feistel, Rainer; Tailleux, Rémi

doi:10.5194/os-8-161-2012

Cited by 38 publications

(21 citation statements)

References 43 publications

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“…Some introductory articles about TEOS-10 are also available from this web site, namely "Getting started with TEOS-10 and the Gibbs Seawater (GSW) Oceanographic Toolbox" (McDougall and Barker, 2011), and "What every oceanographer needs to know about TEOS-10 (The TEOS-10 Primer)" (Pawlowicz, 2010b). The key concepts of TEOS-10 are also described in an introductory set of lecture slides that are publicly available (McDougall, 2012), while Pawlowicz et al (2012) have written an historical account of the way that TEOS-10 was developed.…”

Section: Discussionmentioning

confidence: 99%

A global algorithm for estimating Absolute Salinity

et al. 2012

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Abstract. The International Thermodynamic Equation ofSeawater -2010 has defined the thermodynamic properties of seawater in terms of a new salinity variable, Absolute Salinity, which takes into account the spatial variation of the composition of seawater. Absolute Salinity more accurately reflects the effects of the dissolved material in seawater on the thermodynamic properties (particularly density) than does Practical Salinity.When a seawater sample has standard composition (i.e.

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Section: Discussionmentioning

confidence: 99%

A global algorithm for estimating Absolute Salinity

et al. 2012

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“…In order to address these problems along with maintaining TEOS-10, a standing Joint Committee on the Properties of Seawater, JCS, was established by SCOR, IAPSO and the IAPWS in 2012 (IAPWS, 2012). At the BIPM at Sèvres in 2011 and 2012, related meetings on a potential future cooperation took place, and subsequently a joint workshop of JCS was held with representatives of the BIPM at the 2013 International Conference on the Properties of Water and Steam in Greenwich, UK (Feistel, 2013;IAPWS, 2013;Hellmuth et al, 2014;Pawlowicz et al, 2014;Feistel et al, 2016). Recent progress and upcoming tasks are planned to be on the agenda of the 2018 International Conference on the Properties of Water and Steam in Prague, Czech Republic.…”

Section: Problems Beyond Teos-10mentioning

confidence: 99%

Thermodynamic properties of seawater, ice and humid air: TEOS-10, before and beyond

Feistel

2018

Ocean Sci.

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Abstract. In the terrestrial climate system, water is a key player in the form of its different ambient phases of ice, liquid and vapour, admixed with sea salt in the ocean and with dry air in the atmosphere. For proper balances of climatic energy and entropy fluxes in models and observations, a highly accurate, consistent and comprehensive thermodynamic standard framework is requisite in geophysics and climate research. The new Thermodynamic Equation of Seawater -2010 (TEOS-10) constitutes such a standard for properties of water in its various manifestations in the hydrological cycle.

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“…Finally, independence excludes the possibility of deriving the same quantity alternatively from different parts of the four potentials. This rigorous axiomatic approach distinguishes TEOS-10 from earlier collections of empirical correlations for thermodynamic properties of aqueous geophysical systems, such as those recommended by JPOTS 15 in the context of the 1980 Equation of State of Seawater, EOS-80 (Unesco 1981, 1983; Millero, 2010; Pawlowicz et al, 2012), or those recommended by WMO (2008) for the atmosphere.…”

Section: Thermodynamic Equation Of Seawater – 2010 (Teos-10)mentioning

confidence: 99%

“…While TEOS-10 supersedes the previous oceanographic Equation of State of 1980 (EOS-80, see Unesco, 1981), its relation to atmospheric standard equations recommended by JCOMM 4 and WMO (2008) is left unsettled (JCOMM, 2014). The formulation and successful international adoption of TEOS-10 was the result of close cooperation between the SCOR 5 /IAPSO 6 Working Group 127 and IAPWS 7 in the years 2006–2011, until WG 127 was disbanded in accordance with the rules governing SCOR/IAPSO Working Groups (Pawlowicz et al, 2012). In order to address metrological problems beyond TEOS-10, the standing Joint Committee on the Properties of Seawater, JCS, was established by SCOR, IAPSO and IAPWS in 2012.…”

Section: Introductionmentioning

confidence: 99%

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Metrological challenges for measurements of key climatological observables: oceanic salinity and pH, and atmospheric humidity. Part 1: overview

et al. 2015

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Water in its three ambient phases plays the central thermodynamic role in the terrestrial climate system. Clouds control Earth’s radiation balance, atmospheric water vapour is the strongest “greenhouse” gas, and non-equilibrium relative humidity at the air-sea interface drives evaporation and latent heat export from the ocean. On climatic time scales, melting ice caps and regional deviations of the hydrological cycle result in changes of seawater salinity, which in turn may modify the global circulation of the oceans and their ability to store heat and to buffer anthropogenically produced carbon dioxide. In this paper, together with three companion articles, we examine the climatologically relevant quantities ocean salinity, seawater pH and atmospheric relative humidity, noting fundamental deficiencies in the definitions of those key observables, and their lack of secure foundation on the International System of Units, the SI. The metrological histories of those three quantities are reviewed, problems with their current definitions and measurement practices are analysed, and options for future improvements are discussed in conjunction with the recent seawater standard TEOS-10. It is concluded that the International Bureau of Weights and Measures, BIPM, in cooperation with the International Association for the Properties of Water and Steam, IAPWS, along with other international organisations and institutions, can make significant contributions by developing and recommending state-of-the-art solutions for these long standing metrological problems in climatology.

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Preface "An historical perspective on the development of the Thermodynamic Equation of Seawater – 2010"

Cited by 38 publications

References 43 publications

A global algorithm for estimating Absolute Salinity

A global algorithm for estimating Absolute Salinity

Thermodynamic properties of seawater, ice and humid air: TEOS-10, before and beyond

Metrological challenges for measurements of key climatological observables: oceanic salinity and pH, and atmospheric humidity. Part 1: overview

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