I have two lines of transect data taken during two scenarios. I am trying to highlight the area between the two curves created by the data but I have not found a solution using geom_ribbon(), likely due to the differing endpoints and measurement intervals. Any ideas?

I have two lines of transect data taken during two scenarios. I am trying to highlight the area between the two curves created by the data but I have not found a solution using geom_ribbon(), likely due to the differing endpoints and measurement intervals. Any ideas?

I have two lines of transect data taken during two scenarios. I am trying to highlight the area between the two curves created by the data but I have not found a solution using geom_ribbon(), likely due to the differing endpoints and measurement intervals. Any ideas?