Hi Cathy, The “P” of PSU is “Practical” so it's almost certain to be PSS-78, it sounds like we should get “sea_water_practical_salinity_at_sea_floor” on the list. Let me know what the oceanographer says and we can get a name proposed.
-Barna > On 2019-09-10, at 07:32, Cathy Smith <[email protected]> wrote: > > Thanks. I didn't think to look. It's a reanalysis dataset so not measured > directly. The units are PSU. I'm not sure either "methods" below apply. The > observed data for ORAS5 reanalysis is from here > > https://agupubs.onlinelibrary.wiley.com/doi/full/10.1002/2013JC009067 > > I'll ask an oceanographer here if he has any idea about this. > > Cathy > > On 9/10/19 11:23 AM, Andrew Barna wrote: >> Hi Cathy, >> >> There is already the name `sea_water_salinity_at_sea_floor` in the CF >> standard name list. However, if you know the scale you are calculating, a >> new name should be added to indicate this: >> sea_water_practical_salinity_at_sea_floor if using PSS-78 >> or >> sea_water_absolute_salinity_at_sea_floor if using TEOS-10 >> >> I can come up with some definitions if you would like to have either of >> these proposed to the list. >> -Barna >> >> >>> On 2019-09-10, at 07:04, Cathy Smith <[email protected]> wrote: >>> >>> Thanks. I will use that variable. >>> >>> I also calculated salinity of the ocean floor. Same question. >>> >>> Cathy >>> >>> On 9/9/19 3:44 PM, Andrew Barna wrote: >>>> Hi Cathy, >>>> >>>> There is the name `sea_water_potential_temperature_at_sea_floor` with the >>>> following definition: >>>> Potential temperature is the temperature a parcel of air or sea water >>>> would have if moved adiabatically to sea level pressure. The potential >>>> temperature at the sea floor is that adjacent to the ocean bottom, which >>>> would be the deepest grid cell in an ocean model. >>>> >>>> From what I can tell, there is no “in situ” sea water temperature name at >>>> the sea floor. I’d suggest the following name for this parameter with >>>> canonical units K: >>>> `sea_water_temperature_at_sea_floor` >>>> >>>> Here is a possible definition basically modifying the above to remove the >>>> “potential” parts: >>>> >>>> Sea water temperature is the in situ temperature of the sea water. The >>>> temperature at the sea floor is that adjacent to the ocean bottom, which >>>> would be the deepest grid cell in an ocean model. >>>> >>>> There should probably also be a modification of the existing >>>> sea_water_temperature definition to include this new name if it is >>>> accepted: >>>> >>>> The sentence: >>>> "There are standard names for sea_surface_temperature, >>>> sea_surface_skin_temperature, sea_surface_subskin_temperature and >>>> sea_surface_foundation_temperature which can be used to describe data >>>> located at the specified surfaces.” >>>> >>>> Should be changed to: >>>> >>>> "There are standard names for sea_surface_temperature, >>>> sea_surface_skin_temperature, sea_surface_subskin_temperature, >>>> sea_surface_foundation_temperature, and sea_water_temperature_at_sea_floor >>>> which can be used to describe data located at the specified surfaces.” >>>> >>>> -Barna >>>> >>>>> On 2019-09-09, at 11:23, Cathy Smith <[email protected]> wrote: >>>>> >>>>> All >>>>> >>>>> I have a new variable request; bottom temperature. It is the temperature >>>>> of the ocean floor (or the last level of a multi level ocean dataset). I >>>>> searched and was unable to find it or a variable with "bottom" or synomyn >>>>> as a level. I welcome being pointed out where I missed it. >>>>> >>>>> It is an important variable for fish and aquatic populations near coasts >>>>> (or very shallow oceans). >>>>> >>>>> http://glossary.ametsoc.org/wiki/Bottom_temperature >>>>> >>>>> https://www.frontiersin.org/articles/10.3389/fmars.2019.00030/full >>>>> >>>>> Let me know if this request should go elsewhere. >>>>> >>>>> Thanks >>>>> >>>>> Cathy Smith >>>>> >>>>> ---------------------------------------------- >>>>> NOAA/ESRL PSD and CU CIRES >>>>> 303-497-6263 >>>>> https://www.esrl.noaa.gov/psd/people/cathy.smith/ >>>>> >>>>> Emails about data/webpages may get quicker responses from emailing >>>>> [email protected] >>>>> >>>>> _______________________________________________ >>>>> CF-metadata mailing list >>>>> [email protected] >>>>> http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata >>> -- >>> ---------------------------------------------- >>> NOAA/ESRL PSD and CU CIRES >>> 303-497-6263 >>> https://www.esrl.noaa.gov/psd/people/cathy.smith/ >>> >>> Emails about data/webpages may get quicker responses from emailing >>> [email protected] >>> > -- > ---------------------------------------------- > NOAA/ESRL PSD and CU CIRES > 303-497-6263 > https://www.esrl.noaa.gov/psd/people/cathy.smith/ > > Emails about data/webpages may get quicker responses from emailing > [email protected] > _______________________________________________ CF-metadata mailing list [email protected] http://mailman.cgd.ucar.edu/mailman/listinfo/cf-metadata
