Abstract
Climate change is regarded as a serious threat to both environment and humanity, and as a result, it has piqued worldwide attention in the twenty-first century. Natural hazards are expected to have major effects in the coastal cities of the globe. At the same time, about two-thirds of the world’s human population lives in the coastal margins. One of the fundamental issues for coastal city planners is the coastal cities’ environmental change. This paper presents the application of a model framework for the management and sustainable development of coastal cities under a changing climate in Kuala Terengganu Malaysia. The analytic hierarchy process (AHP) is performed in the Expert Choice software for coastal city hazard management. This approach enables decision-makers to evaluate and identify the relative priorities of vulnerability and hazard criteria and sub-criteria based on a set of preferences, criteria, and alternatives. This paper also presents a hierarchy erosion design applied in Kuala Terengganu to choose the important sustainable weights of criteria and sub-criteria as well as the zone as an alternative model.
Highlights
Climate change is often regarded as the world’s most persistent environmental concern in the twenty-first century
QD is used for appraisal of erosion assessment in experts’ knowledge setting, whereas qualitative design is used for management of erosion in expert and GIS settings
A sensitivity analysis in this study shows the sensitivity of the alternatives for all the different criteria of the model on the choice of the important erosion criteria and subcriteria in the Kuala Terengganu coastal area
Summary
Climate change is often regarded as the world’s most persistent environmental concern in the twenty-first century. The current beach sediment transport through littoral drift in Peninsular Malaysia’s east coast is caused by the oblique technique of south-westward-directed sea swell and waves emanating from the South China Sea during the period of the northeast segments, and the existence of near shore islands and coastline protrusions, according to the conclusion of [18] regarding sediment transport in Kuala Terengganu This sort of inlet is prevalent in developing countries, where data availability is typically sub-optimal and community resilience to coastal changes is low, due to its presence in tropical and sub-tropical zones [14]. Coastal erosion caused by rising sea levels is a major problem in Malaysia, according to some research [21], because the country has a long coastline and numerous cities located along the ocean. It was developed as an economic corridor to help the east coast of Peninsular Malaysia undergo socioeconomic changes
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