Impact of a set of XBeach calibration factors on the behavior of cross-shore profiles in medium-term timescales: A case study

XBeach is designed to model nearshore area in storm conditions and needs adjustments to be used for longer periods. One way to implement this model on a medium- or long-term time scale is to take the model through a calibration step. Selecting the right calibration factors amongst several parameters can be challenging. In this study, ten factors were selected based on the literature review to determine the extent and nature of their impact on the transformation of the sandy profiles of Zarabad fishery harbor in seven months (۲۰۰۶.۰۲.۲۰ to ۲۰۰۶.۰۹.۲۳). By ۲DH modeling, the results are represented by two profiles from the study area. Six of the ten selected parameters had a significant effect on the behavior of the profiles, and the results of seven out of ten parameters showed a convergence point in their profiles. As a result of this study, it is possible to move more consciously and expedite the calibration process of further studies. Of course, changing the particle size, the beach slope, the modeling duration, and the energy level of the incoming waves in the area may lead to different results, which can lead to further studies.

Keywords:

Sensitivity Analyzes , Sandy beach , Sedimentation , Bed level change , Process-based modeling