Regarding issues and suggestions about metadata.

[lizhuoq]

First of all, thank you for your dedication to this project, which has been very helpful to me. However, I am not clear about the units of continuous variables in the metadata, such as clay_fraction, organic_carbon, and sand_fraction. I cannot intuitively obtain the units of these variables. Could you please provide me with the units of these variables in the metadata? Similar to the issue I mentioned earlier, I believe it is crucial to intuitively obtain the units of different variables, and this needs to be addressed urgently.

Therefore, I have a suggestion to address this issue. It would be helpful to add a function def get_unit() -> dict[str, str], which would directly return all the variables related to ISMN along with their units. This information could be stored as a JSON file, and when users call get_unit(), it would return a dictionary directly. I suggest using LaTeX formatting for the units.

I hope to receive your response soon. Thank you.