See on this researchgate link please

https://www.researchgate.net/post/which_software_is_best_for_groundwater_flow_direction_along_with_future_prediction_of_water_quality_parameters

Zerouali

I highly recommend you try ModelMuse which is a completely free software that was developed by the USGS and comes with a free GUI making it easier to build your conceptual model.

Here is the link:

https://www.usgs.gov/software/modelmuse-a-graphical-user-interface-groundwater-models

Zerouali Bilel and Wissam Al-Taliby thanks for your answers!

https://www.pmwin.net/pmwin5.htm

This is a very easy-to-use program that includes most of the needed programs ModFlow, MT3Dms and so on ...

Import-Export to Surfer (topography)

All of these answers are pertaining to numerical modeling not conceptual modeling. Typically you "construct" your conceptual model based on site and literature data (e.g., climate, topography, surficial geology, geological structure, boreholes, wells, surface water, groundwater water levels, recharge areas, discharge areas, aquifer testing, etc.). The conceptual model is typically composed of text and figures in ArcGIS or equivalent. Then, you can develop a 3-D numerical model based on your conceptualization of the groundwater system using the programs listed above.

Thanks for you answer Guy Roemer , and yes, my idea is how can create an image like this...

Walter Antolinez that helps. We typically use Adobe Illustrator, Leapfrog, or MVS, which are not freeware, to put together graphics like this. I suggest looking at this researchgate thread that covers this topic:

https://www.researchgate.net/post/What_software_do_you_use_to_draw_conceptual_diagrams

There is GMS,

https://www.aquaveo.com/downloads-gms

I recommend GMS from aquaveo

there is a free student Licence

Hello, you can try Mohid (GNU Licence), http://www.mohid.com. http://www.mohid.com/pages/models/mohidland/mohid_land_home.shtml

il y a le GMS avec documentation sur le site