Sulfur forcing

[saraarriz]

Describe the bug

When inputting sulfur emissions in FAIR, I don't get any output as sulfur forcing. I have tried the [basic_run_example.ipynb] code, which is available in the github, and I still have no response for sulfur forcing. After running FAIR, this is what I get :

Failing Test

  f.emissions.loc[dict(specie='Sulfur')]

   array([[[100.        , 100.        , 100.        ],
    [  2.2       ,   2.2       ,   2.2       ]],

   [[100.        , 100.        , 100.        ],
    [  4.19591837,   4.19591837,   4.19591837]],

   [[100.        , 100.        , 100.        ],
    [  6.19183673,   6.19183673,   6.19183673]],

   [[100.        , 100.        , 100.        ],
    [  8.1877551 ,   8.1877551 ,   8.1877551 ]],

   [[100.        , 100.        , 100.        ],
    [ 10.18367347,  10.18367347,  10.18367347]],

   [[100.        , 100.        , 100.        ],
    [ 12.17959184,  12.17959184,  12.17959184]],

   [[100.        , 100.        , 100.        ],
    [ 14.1755102 ,  14.1755102 ,  14.1755102 ]],
    ...
   [[100.        , 100.        , 100.        ],
    [ 88.0244898 ,  88.0244898 ,  88.0244898 ]],

   [[100.        , 100.        , 100.        ],
    [ 90.02040816,  90.02040816,  90.02040816]],

   [[100.        , 100.        , 100.        ],
    [ 92.01632653,  92.01632653,  92.01632653]],

   [[100.        , 100.        , 100.        ],
    [ 94.0122449 ,  94.0122449 ,  94.0122449 ]],

   [[100.        , 100.        , 100.        ],
    [ 96.00816327,  96.00816327,  96.00816327]],

   [[100.        , 100.        , 100.        ],
    [ 98.00408163,  98.00408163,  98.00408163]],

   [[100.        , 100.        , 100.        ],
    [100.        , 100.        , 100.        ]]])

    f.forcing.loc[dict(specie='Sulfur')]

    array([[[ 0.,  0.,  0.],
    [ 0.,  0.,  0.]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],
    ...
   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]],

   [[nan, nan, nan],
    [nan, nan, nan]]])

Expected behavior

Here, I expected the corresponding values of sulfur forcing as a response of the emissions.

System (please complete the following information):

• OS: Windows
• Python 3.6,8 and FaIR 2.1.0

Additional context

I am a trainee student in Airbus and I am doing my master's thesis in aviation impact on climate.

[chrisroadmap]

Hi, this is not a bug: the Sulfur species does not itself create a forcing, it is a precursor of ERFari (direct aerosol forcing) and ERFaci (indirect aerosol forcing).

f.forcing.loc[dict(specie='ERFari')] f.forcing.loc[dict(specie='ERRaci')]

will work.

[saraarriz]

Thank you very much for your prompt response.

Sara Arriolabengoa

On Tue, Jun 20, 2023 at 9:00 AM Chris Smith @.***> wrote:

Hi, this is not a bug: the Sulfur species does not itself create a forcing, it is a precursor of ERFari (direct aerosol forcing) and ERFaci (indirect aerosol forcing).

f.forcing.loc[dict(specie='ERFari')] f.forcing.loc[dict(specie='ERRaci')]

will work.

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