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@barronh
Last active March 17, 2023 17:48
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MICS to CMAQ
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@Gwang-Jin
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I know I should not simply interpolate the vertical fractions to my eta_levels. But, I don't know a mathematical keyword to obtain new fractions on the new vertical grid.

@Gwang-Jin
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Gwang-Jin commented Apr 1, 2022

I've obtained the new fractions on my eta_levels by replacing layerfractions with :

layerfractions = pd.read_csv(io.StringIO("""L,SigmaTop,PPCB,PROT
1,0.995,0.00,0.06
2,0.985,0.066,0.26
3,0.979,0.067,0.34
4,0.973,0.067,0.34
5,0.967,0.1,0.0
6,0.960,0.1,0.0
7,0.954,0.1,0.0
8,0.949,0.05,0.0
9,0.941,0.05,0.0
10,0.934,0.05,0.0
11,0.925,0.05,0.0
12,0.917,0.05,0.0
13,0.907,0.05,0.0
14,0.897,0.05,0.0
15,0.887,0.05,0.0
16,0.878,0.05,0.0
17,0.866,0.05,0.0
"""), comment='#')

I distributed original fraction to new level properly, and the sum of fractions is 1.

I have one question regarding the area source of MICS-Asia RESIDENTIAL, TRANSPORT, and AGRICULTURE.
In [23], the area sources are allocated on the second vertical grids. But, the first vertical grid has also height (35m). So should be the area sources allocated on the first vertical grids?
Thank you.

@barronh
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barronh commented Apr 7, 2022

I'm glad you figured it out.

You're right about the layers. When it was first made, I think that L was the index. In this version, however, the index is a zero-based value. You should change all of those to layerfractions.loc[0, '...'] = 1. I updated the notebook.

@Gwang-Jin
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Thank you for response.

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