[ncl-talk] Ocean water density calculation

[Wickramage Chathurika]

Hi,
I am really sorry for less clarification on my question. Simply I want to know the script which has attached herewith is correct or wrong. Because I haven't followed the steps which are used in 'rho_mwjf' NCL example.  
P.S: When I run the script, I got density output without any error messages. 

........................................




Wickramage Chathurika HemamaliMsc Research ScholarState Key Laboratory of Tropical OceanographySouth China Sea Institute of OceanologyUniversity of Chinese Academy of ScienceChina
Specialized in Oceanography and Marine Geology (Bachelor)University of RuhunaMataraSri Lanka
Email : wickramagechathurika at rocketmail.com
 

    On Friday, 2 March 2018, 07:55:35 GMT+8, Dennis Shea <shea at ucar.edu> wrote:  
 
 This question is not clear to me.

"I have gotten two different minimum and maximum values for density"

test.ncl has: one ?time? step and one set of data ranges

temp=f0[:]->THETA(7,{0:500},{ 0:6},{80})
printVarSummary(temp)        
temp at _FillValue=1.e20

salt=f1[:]->SALT(7,{0:500},{0: 6},{80})
salt at _FillValue=1.e20
printVarSummary(salt)

depth=40
pd=rho_mwjf(temp, salt, depth)

---
n.ncl has ALL [:] ?time? steps and a different set of data ranges

emp=f0[:]->THETA(:,{0:200},{5. 5:6},{76:86})
printVarSummary(temp)       
temp at _FillValue=1.e20

salt=f1[:]->SALT(:,{0:200},{5. 5:6},{76:86})
salt at _FillValue=1.e20
printVarSummary(salt)

====
Are you asking about your array manipulations or abou the
results from the NCL function:
   http://www.ncl.ucar.edu/ Document/Functions/ Contributed/rho_mwjf.shtml

===
Really, looking at the scripts with no information from 'printVarSummary(...)'
would be a time consuming effort  

Certainly, making  **one** sample THETA and SALT file available would also help.

ftp ftp.cgd.ucar.edu
anonymous
your_email
cd in coming

put THETA.1440x720x50.1993????.nc"
put SALT.1440x720x50.1993????.nc"

quit



On Wed, Feb 28, 2018 at 10:31 PM, Wickramage Chathurika <wickramagechathurika at rocketmail.com> wrote:

Hello,
I am calculating the density of ocean water using ECCO2 model data. I have calculated density by two different methods. One is according to NCL example. But I have gotten two different minimum and maximum values for density. I have attached herewith the two scripts and please help me to figure out the problem with my script. appreciate your help in advance. 

Kind Regards;Chathu


.............................. ..........




Wickramage Chathurika HemamaliMsc Research ScholarState Key Laboratory of Tropical OceanographySouth China Sea Institute of OceanologyUniversity of Chinese Academy of ScienceChina
Specialized in Oceanography and Marine Geology (Bachelor)University of RuhunaMataraSri Lanka
Email : wickramagechathurika@ rocketmail.com

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