Question figures with the absolute error, here the error (with sign).

Is that better???

This is a nice discussion on how to improve represention of agreements for two time-series. I would add two suggestions:

1-Adding legend for identifying the time series.

2-Using black color for observations as reference if there are any reference.

Well sorry. Green = observed data (the reference) and red = simulated data (in this case with different rainfall products as input)

This is an interesting way of visualising the error; the red-blue scheme works better than the yellow-brown IMO. However, if the discharge series were clearer, I don't think it would be necessary. Have you tried reducing the line thickness, and making the simulated series solid rather than dashed?

Also, you may want to avoid the red-green combination if possible for people with colour-blindness. So long as the colours chosen are sharply different, this ought to make them quite distinct.

Daryl Hughes Is better now? I think you are right

Luca Brocca , yes I think this is much clearer.

The lower plots are much clearer but the coloured bars highlight the errors very nicely without having to decipher the plots. A good idea - I might try this myself. I also agree you should avoid red/green and probably red/blue for the plots Red blue bars work OK though.

Usually the simulated should be plotted as continuous line where as the oberved being dots or dotted lines.

Dear Luca Brocca , Dear all,

This is a very interesting perspective. Thanks for the good insights. I will be very interested in peeking at some implementation (in R, preferably), would you like to share some bits of it?

Also, I am interested in a slightly different case. Let us say I have two series of outputs from different modelling setups, which I would like to compare to a series of observed values. And I want them superimposed in the same graph. How would you go with this case?

Best,

Roland.

Roland Yonaba we don't have R code...I can share the Matlab code for making the figure...and currently no hints for the two+one series plot.

Daer Luca Brocca,

This is an interesting plot that you made. I think, blue color would be fine instead of green.

In addition, can you please share the MATLAB code with us? Thanks!

here the Matlab code with an example of data for making the figure

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Following your suggestions, I made the figures as in the top. Results are published here:

https://www.nature.com/articles/s41598-020-69343-x

Yes. It's great. And the published version is even better. The linespecs were better.

Thanks https://www.researchgate.net/profile/Mahelvson_Chaves