COSIMA / cosima-recipes

A cookbook of recipes (i.e., examples) for analysing ocean and sea ice model output
https://cosima-recipes.readthedocs.io
Apache License 2.0
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Add sector-based sea ice analysis (#393) #459

Open serenaschroeter opened 2 months ago

serenaschroeter commented 2 months ago

Code to calculate and visualise sector-based sea ice metrics for Southern Hemisphere based on sector definitions in Raphael & Hobbs, 2014. Obtains NSIDC observational estimate directly from PolarWatch, and uses COSIMA Cookbook to access model data.

Closes #393

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navidcy commented 2 months ago

I updated the branch with changes that happened in main. You should pull the changes before you continue edit the notebook otherwise merge conflicts might created.

marc-white commented 2 months ago

Just noting that the experiment data referenced in this notebook appears to be available via access-nri-intake-catalog. That being said, it's probably best to bring the notebook in 'as is' (modulo any other changes), and convert it to intake later under #313 .

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navidcy commented on 2024-09-17T03:29:23Z ----------------------------------------------------------------

We call them "recipes", not "scripts". Could you please rephrase? Also, define SIA in the text as well, at least the first time.


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navidcy commented on 2024-09-17T03:29:24Z ----------------------------------------------------------------

Could you add a link to the reference? E.g., [Raphael & Hobbs (2014)](https://doi.org/XXXX.YYYY)


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navidcy commented on 2024-09-17T03:29:24Z ----------------------------------------------------------------

Why we have numbers 71.? Either 71.0 if we need that or just 71?


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navidcy commented on 2024-09-17T03:29:25Z ----------------------------------------------------------------

put this cell at the top


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navidcy commented on 2024-09-17T03:29:26Z ----------------------------------------------------------------

Let's make a different step for the conversion, e.g.,

OM2_SIC = OM2_SIC.fillna(0)

OM2_SIC = OM2_SIC* 1.e-6 # convert m^2 -> km^2

(Also, not 1.e-6 since what does . add here?)


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navidcy commented on 2024-09-17T03:29:27Z ----------------------------------------------------------------

Line #6.    CDR_area = CDR_area / 1000

I don't understand why divide by 1000 here


_anton-seaice commented on 2024-09-18T06:46:53Z_ ----------------------------------------------------------------

It a fairly arbitrary definition in the .dat file, it suited whomever made the file many years ago

_navidcy commented on 2024-10-04T04:44:53Z_ ----------------------------------------------------------------

So is this a unit conversion from m^2 -> km^2...? no...

Let's add a comment that explains?

Or, if the pss25area_v3.dat has the data with some arbirtrariness of whoever made it, let's remake the .dat file to make sense?