Sediment dynamics is the study of how sediments (particles of rock, sand, and organic material) move and change over time in geological environments such as rivers, lakes, oceans, and glaciers. This field of research focuses on understanding the processes that lead to sediment transport, deposition, erosion, and the formation of sedimentary layers. Researchers in sediment dynamics study a variety of factors that influence sediment movement, including water flow, wave action, wind, tectonic forces, and biological activity. They also investigate how human activities such as agriculture, mining, and construction can impact sediment dynamics and lead to environmental problems such as erosion, sedimentation, and habitat degradation. By studying sediment dynamics, researchers can gain insights into past environmental conditions, predict future changes in sediment distribution, and develop strategies for managing and conserving natural resources. This research is important for understanding the Earth's surface processes, managing water resources, and protecting ecosystems and infrastructure from the impacts of sediment-related hazards.