[ncl-talk] Mixed Layer Depth

[Dennis Shea]

Actually, if you provide the equivalent of the 'KMT' POP variable, the
function could *possibly* be used.

----

The underlying fortran code uses 'kmt' which is a POP model variable. From
a POP file

        int KMT(nlat, nlon) ;
                KMT:long_name = "k Index of Deepest Grid Cell on T Grid" ;
                KMT:coordinates = "TLONG TLAT" ;
                KMT:_FillValue = -2147483647 ;
                KMT:missing_value = -2147483647 ;
---




On Mon, Nov 10, 2014 at 12:00 PM, Dennis Shea <shea at ucar.edu> wrote:

> I forgot to mention ... This is not what you want but the following may be
> of use to you sometime:
>
> http://www.ncl.ucar.edu/Applications/iso.shtml
>
> On Mon, Nov 10, 2014 at 10:34 AM, Dennis Shea <shea at ucar.edu> wrote:
>
>> Unfortunately, this function has incomplete documentation. This function
>> should likely be named 'mixed_layer_depth_PopModel' or some such thing. It
>> is *not* a general purpose code.
>> Rather, I think it is a function used by the CESM ocean post-processing
>> code.
>>
>> ===
>> The paper referred to by the ncl-talk post in 12/2013 (has R-code)
>>
>> Kara et al (2000) "An optimal definition for ocean mixed layer depth".
>> JOURNAL OF GEOPHYSICAL RESEARCH, VOL. 105, NO. C7, PAGES 16,803-16,821
>>
>> is at:
>>
>> http://onlinelibrary.wiley.com/doi/10.1029/2000JC900072/abstract
>>
>> ===
>>
>> fortran-90 code
>>   http://www7320.nrlssc.navy.mil/nmld/nmld.html.030214
>>
>> ==
>> Matlab:
>>   http://www.ecco-group.org/pdfs/reports/report_38.pdf
>>
>>
>> On Mon, Nov 10, 2014 at 9:52 AM, Rick Brownrigg <brownrig at ucar.edu>
>> wrote:
>>
>>> I'll send you the source..  I don't about the origins of that code
>>> however..
>>>
>>> On Mon, Nov 10, 2014 at 8:32 AM, Giorgio Graffino <
>>> giorgio.graffino at alice.it> wrote:
>>>
>>>>  Dear NCL Users,
>>>> I'm trying to use the built-in function mixed_layer_depth (
>>>> http://www.ncl.ucar.edu/Document/Functions/Built-in/mixed_layer_depth.shtml)
>>>> in my code (see .ncl attachment) to compute Water Mass Formation rate in
>>>> the Gulf of Lion, but result doesn't convince me (too large depths!!).
>>>> Unfortunately, there's not so much documentation on that function. I
>>>> just found some ncl-talk messages in the archive (such as
>>>> http://www.ncl.ucar.edu/Support/talk_archives/2013/3941.html), but
>>>> without finding any exhaustive information.
>>>> Is there anyone who can address me to the reference papers used to
>>>> write that function? What is the physical mechanism?
>>>> I'm using NCL 6.2.0 on a system
>>>> *giorgio at Giorgio-PC:~$ uname -a*
>>>> *Linux Giorgio-PC 3.13.0-39-generic #66-Ubuntu SMP Tue Oct 28 13:30:27
>>>> UTC 2014 x86_64 x86_64 x86_64 GNU/Linux*
>>>> Thanks a lot.
>>>> Giorgio Graffino
>>>>
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>>>
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>>
>
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