Here's a breakdown of what geomorphologists do:

* Study the origin and development of landforms: They investigate how different processes like erosion, weathering, tectonic activity, and volcanic activity shape the Earth's surface.

* Analyze the relationship between landforms and other Earth systems: They examine how landforms interact with climate, vegetation, and human activity.

* Use a variety of techniques to study landforms: These techniques include field observation, remote sensing, geographic information systems (GIS), and numerical modeling.

* Apply their knowledge to solve practical problems: Geomorphologists can help with things like natural hazard assessment, land management, and environmental planning.

Other related fields that study landforms include:

* Geographers: Focus on the spatial distribution and relationships of landforms.

* Geologists: Study the composition, structure, and history of the Earth's rocks and landforms.

* Environmental scientists: Examine the interactions between landforms and the environment.

* Civil engineers: Design and build structures on landforms, considering their stability and suitability.