The Geomorphometry 2023 academic conference was successfully held from July 10 to 14 at the University of Alexandria in Iasi, Romania. This conference is open for the exchange of knowledge and opinions about various aspects of DEM processing and Digital Terrain Modeling. This year's Geomorphometry conference was co-sponsored by the International Society of Geomorphometry (ISG) and the Faculty of Geography of the University of Alexandria, with a total of more than 60 delegates from all over the world attending this academic conference in the field of digital terrain analysis. Members of the Geomorphology Working Group attended the meeting to introduce the progress of the DDE geomorphology working group and make some presentations on the following topics:

1.       “Hydrological object-based flow direction model for constructing a lake-stream topological system”. This work integrates lakes into the river network and constructs a topological system between lakes and the river network.

2.       “Super-resolution for terrain modeling using deep learning in High Mountain Asia”. This work utilizes deep learning methods to reconstruct the topography of high mountain regions in Asia

3.       “Integrating topographic knowledge into point cloud simplification for terrain modeling”. This work achieves terrain modeling by considering terrain features in point cloud simplification.

4.       “Mapping gully affected areas based on Sentinel 2 imagery and digital elevation model”. This work proposes a method based on GEE and OBIA that fully utilizes the spectral, geometric, topographic, and textural features of an object to achieve high-accuracy extraction of erosion gullies