ࡱ> GIF QbjbjFF $ $$Q ~~AAAAAUUUUUq Un}LIKKKKKK>bKAK!AA`4!!!:AAI!I!!AA!?gFzU != <!B!B!!A!~ :   Ref IOC/OOS/KA/HHL Dear Dr. xxx Proposed Adoption of a new formulation for the Thermodynamics and Equation of State of Seawater (TEOS 10) as a UNESCO/IOC standard to replace the existing UNESCO Standard International Equation of State of Seawater (EOS-80). In light of your expertise in field studies and/or numerical modeling involving the equation of state for seawater (UNESCO, 19801), we invite you to take part in an evaluation of a new formulation that has been developed by the SCOR/IAPSO Working Group 127 and will be considered for possible adoption by governments at the upcoming 25th Session of the Intergovernmental Oceanographic Commission of UNESCO in June 2009. The Practical Salinity Scale and the International Equation of State of Seawater (EOS-80), which expresses the density of seawater as a function of Practical Salinity, temperature and pressure, have served the oceanographic community very well for thirty years. However, several inaccuracies in these existing standards have become apparent suggesting that it may be timely to more accurately redefine the international standard for the thermophysical properties of seawater. In 2005, SCOR and IAPSO established Working Group 127 on the Thermodynamics and Equation of State of Seawater ( HYPERLINK "http://www.scor-int.org/Working_Groups/wg127.htm" http://www.scor-int.org/Working_Groups/wg127.htm) and this group has now produced a suggested new series of algorithms (TEOS-10). The TEOS-10 is documented in a pdf file Thermodynamic Manual 09Jan09 available for download here ( HYPERLINK "http://cdiac3.ornl.gov/hydrography/" http://cdiac3.ornl.gov/hydrography/). The computer code that implements the new approach (FORTRAN and MATLAB routines) can be downloaded here (HYPERLINK "http://www.marine.csiro.au/~jackett/TEOS-10/"http://www.marine.csiro.au/~jackett/TEOS-10/). The Intergovernmental Oceanographic Commission of UNESCO is now seeking your expert views in two ways: 1) Technical and scientific comments on the proposed Manual, its underlying methodology, or the associated MATLAB and FORTRAN routines to be sent to WG127 chair Trevor MacDougal (Trevor.mcdougall@csiro.au); 2) A yes or no assessment, backed up by at most one page of written argument, as to whether you consider the TEOS-10 to be sufficiently technically sound, clear, and important for IOC Member states to consider adopting it as an international standard replacing the old EOS-80 standard at the IOC Assembly in June, 2009, for agreed use beginning 1 January, 2010. This should be emailed to Keith Alverson ( HYPERLINK "mailto:k.alverson@unesco.org" k.alverson@unesco.org) In order to fully account for your recommendations we request your inputs no later than March 15, 2009 at the latest. Although an honorarium is unfortunately not available, individuals who take part in this review will be acknowledged and thanked by name in the final version of the TEOS-10 report that will be published by IOC/UNESCO, on behalf of IOC, SCOR and IAPSO, in the event the new standard is adopted. Sincerely Yours, Keith Alverson Head of Ocean Observations and Services IOC/UNESCO  (4NO   0 2 3 4 d e Mн޵uf[h3hgOJQJjh3hgOJQJUhgOJQJ^Jhvjhg0JOJQJ#jhvjhgOJQJUhVuhgOJQJjhgOJQJUhgOJQJ%hghnIxcHdhdhdh&Hh&hghg h3hg h35h#h#5 h%a5 h35h#  ^ EPQgdg$a$gdgo&d&*]*^$$ & 0` P@1$7$8$H$a$gdg$a$gdgMNOrsGHIK]^DEF[\ӹ˯ˢˋ}}q_qRqhvjhg0JOJQJ#j hvjhgOJQJUjhgOJQJUHh&hgOJQJ-hghnIxOJQJcHdhdhdh&hVuhgOJQJ^JhgOJQJ^J#j>h3hgOJQJUhgOJQJh3hgOJQJjh3hgOJQJU#j9h3hgOJQJUPQh3hgOJQJhgOJQJ-hghnIxOJQJcHdhdhdh&h2mhg5OJQJ":pg/ =!"#$%9DyK 1http://www.scor-int.org/Working_Groups/wg127.htmyK bhttp://www.scor-int.org/Working_Groups/wg127.htmDyK $http://cdiac3.ornl.gov/hydrography/yK Hhttp://cdiac3.ornl.gov/hydrography/DyK yK Zhttp://www.marine.csiro.au/~jackett/TEOS-10/DyK k.alverson@unesco.orgyK :mailto:k.alverson@unesco.org666666666vvvvvvvvv666666>6666666666666666666666666666666666666666666666666hH6666666666666666666666666666666666666666666666666666666666666666666666666662 0@P`p2( 0@P`p 0@P`p 0@P`p 0@P`p 0@P`p 0@P`p8XV~ OJPJQJ_HmH nH sH tH D`D 0NormalCJ_HaJmH sH tH DA`D Default Paragraph FontRiR Table Normal4 l4a (k ( No List 6U@6 2m0 Hyperlink >*B*phHH nIx0 Balloon TextCJOJQJaJJ/J nIx0Balloon Text CharCJOJQJaJPK!K[Content_Types].xmlj0Eжr(΢]yl#!MB;BQޏaLSWyҟ^@ Lz]__CdR{`L=r85v&mQ뉑8ICX=H"Z=&JCjwA`.Â?U~YkG/̷x3%o3t\&@w!H'"v0PK!֧6 _rels/.relsj0 }Q%v/C/}(h"O = C?hv=Ʌ%[xp{۵_Pѣ<1H0ORBdJE4b$q_6LR7`0̞O,En7Lib/SeеPK!kytheme/theme/themeManager.xml M @}w7c(EbˮCAǠҟ7՛K Y, e.|,H,lxɴIsQ}#Ր ֵ+!,^$j=GW)E+& 8PK!\theme/theme/theme1.xmlYOoE#F{o'NDuر i-q;N3' G$$DAč*iEP~wq4;{o?g^;N:$BR64Mvsi-@R4Œ mUb V*XX! cyg$w.Q "@oWL8*Bycjđ0蠦r,[LC9VbX*x_yuoBL͐u_. 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