Empty surface ocean pH (value) .nc files

[mokhodge]

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Description of the problem

Downloading the .nc file for surface ocean pH values (instead of change) returns an empty file

To Reproduce

Write below the steps to reproduce the problem:

1. Dataset: Model projection = CMIP6
2. Variable: pH at surface
3. Quantity & Scenario: Value (pH), Period = Medium Term and Scenario = SSP5-8.5

https://interactive-atlas.ipcc.ch/permalink/OTv1mWRN

Expected behavior

I would expect this to return a populated .nc file

Screenshots

Desktop (please complete the following information):

Happens in both Chrome and Firefox

Additional context

[jesusff]

Duplicate of #71