MATHEMATICAL MODELLING OF SEDIMENTATION IN THE PORT OF DEYLAM

Siltation of harbor basins and navigational channels is a serious problem all over the world. Because of siltation, basins and channels require frequent maintenance dredging the costs of which are fairly high. The port of Deylam is one of the ports in which siltation occurs frequently. The port is located in coast of Hendijan bay in the northwest of the port of Bushehr. Hendijan bay is a shallow water region the large part of which covered by very fine material and cohesive sediment. Figure 1 indicates location of the port of Deylam as well as a snapshot which shows a seaward view of its jetties. As it is shown in the figure 1, the port has two jetties to protect navigational channel against sedimentation in order to have a suitable navigational depth. This Paper is aimed to study on mathematical modelling of sedimentation using MIKE21-MT. The results of the model are verified and calibrated using field measurements. The model results show that sedimentation between jetties and harbor basin, respectively, is about 45000 and 16000 cubic meter per year.