SDR input layers resolution; unit of the results for soil erosion and soil conservation

firstly, it is mandatory to make all the layers as the same resolution before inputs these layers to the sofware or not?
Secondly, what is the unit of the results and which result indicate the actual soil erosion and which one for soil conservation.
finally, these results indicate average of or annual results

Hello @eslam_rashad, and welcome to the forum!

It sounds like you are asking about the SDR (Sediment Delivery Ratio) model, yes? Have you read the User Guide chapter about it? It answers all of these questions, particularly the Data Needs and Interpreting Results sections.

~ Stacie