![]() In daily language "mud" refers to the deposited state of mud particles. Studies on erosion behaviour of sand-mud mixtures indicate that the bed exhibits cohesive behaviour for clay contents above 15-20%. Mud is defined as a mixture of mainly fine-grained sediments ( clays, silt and sand), organic matter and water, where the cohesive properties of the clay fraction, enhanced by the properties of the organic matter, dominate the overall behaviour. In order to understand the dynamics of mud in coastal environments, it is necessary to properly define mud and its properties, in contrast to sand and other non-cohesive particles. Migniot was probably the first to present a comprehensive overview of all the processes involved in mud dynamics. Mud in coastal areas is mainly found in intertidal deposits. ![]() ![]() 6.1 Morphodynamics & Sediment transport.
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