Abstract
This paper aim to create simple hydrodynamic simulation by using MIKE 21. The module used in MIKE 21 is LITPACK. LITPACK is one of the modules in MIKE 21 to solve hydraulic and sedimentation problems in coastal areas. Especially in this paper, the LITTLITE engine in LITPACK will be used. LITLINE determines the coastline position using a timeseries of wave climatic data. The model is based on a one-line theory, in which the cross-shore profile is expected to remain unaltered during erosion/accretion, with minor adjustments. Coastal morphology is thus only defined by coastline location (cross-shore direction) and coastal profile at a given long-shore position. The simulation used in this paper is the influence of groins on shoreline dynamics. The results of the simulation show that some areas will experience abrasion and some will experience accretion.
Highlights
The shoreline is the physical transition between land and water, and the coastline is a proxy for the shoreline location that is used in shoreline management to mark the land-sea boundary
Over the past 34 years (1985-2019), this study looked at the spatiotemporal behavior of short- and long-term characteristics of the shoreline, as well as the driving mechanisms responsible for shoreline changes in Joo Pessoa
Throughout the study period (1985-2019), accretion behavior was seen across the region
Summary
The shoreline is the physical transition between land and water, and the coastline is a proxy for the shoreline location that is used in shoreline management to mark the land-sea boundary. Zeinali et al, (2021) uses artificial neural network for the prediction of shoreline changes in Narrabeen, Australia Because of their relevance in people's lives, shorelines are important all over the world. Recurrent ANNs like as NARNET and NARXNET are used to model shoreline changes on Australia's Narrabeen Coast between 1980 and 2014 Their results show that they can accurately forecast shoreline changes based on historical data. Since the low water circumstances of 2012-2013, the UAV scans reveal substantial coastline erosion and recession at both beaches, with both beaches losing 70.7 and 64.8 m3 /m of dry beach volume For both beaches, the shoreline receded by about 35 meters throughout this time. Konlechner et al, (2020) uses Normalized Difference Water Index (NDWI) to identify shoreline change They present the first regional analysis of shoreline movements along the 1230 km long wave-exposed coast of Victoria, south-east Australia. The use of Mike 21 software will be carried out to simulate the dynamics of simple shoreline changes
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