Risk Analysis of Coastal Disaster of Semarang City, Indonesia

Abstract

Coastal areas are highly vulnerable to disasters, as they are affected by events occurring both on land and at sea. In the development of cities in these areas, information on vulnerability levels is needed as a consideration in determining policy. This study aims to identify potential vulnerability of Semarang city, and to investigate the potential of hazard and disaster risk levels of the city. The study was conducted in 17 villages in the northern coastal area of Semarang. The assessment approach used was score analysis to some variables, i.e geomorphology, erosion, coastal slope, waves and socio-economic aspects. The research showed that the highest level of coastal vulnerability in the Semarang city were at three villages i.e.Terboyo Kulon, Terboyo Wetan and Trimulyo with value of 4.5; while the lowest level were at the Maron beach, Marina beach and Tanah Mas with value of 2.8. The highest potential coastal hazard in the Semarang city were at two villages i.e. Tanjung Mas and Tambak Lorok with value of 4.5; and the lowest value were in the village of Randugarut, Karanganyar, Tugurejo, Marina beach and Tanah Mas with value of 1.25.The highest level of coastal risk in the Semarang city were in the Trimulyo village with value of 3.13; and the lowest level were in the Marina beach and Tanah mas with value of 1.32.

Tourism Suitability, and Carrying Capacity : Prospect Ecotourism (Case Study in Marina Beach Semarang)

“…Maintaining coastal productivity is certainly a goal for fisheries productivity around the coastal location [4][5], plus the procurement of a number of mangrove forests of at least 1 or 2 trees with more natural abilities to be able to increase the carrying capacity of the area, [3] better and planned management models for returned to the city government as a reason to stabilize the carrying capacity, at this time it has not been focused on satellite imagery for managing the carrying capacity of the region, it will also be planned later with the support of satellite imagery [22]. Calculating mathematically is certainly a consideration in fundamental management [13], coupled with coastal vulnerability analysis [21]. Changing the paradigm or framework of thinking that the location of the beach again and again is not only on the marina beach, and not just the old city.…”

“…In this case, much recreation only has a LOW carrying capacity then Fishing and Sport recreation. The concept of carrying capacity of a region provides useful strategies for achieving objectives that can be applied in a management context [21]. Therefore, of course crosssectoral cooperation is needed with one of the manifestations is to transfer the management of this coastal marine tourism area to be owned by the Semarang city government and also added with other beaches.…”

“…This condition has become a valuable component, including ecosystems, communities and socioeconomic risks under pressure from marine dynamics on climate change that is classified as vulnerable. Vulnerability is the magnitude of the function of change and the impacts and variations of climate change, [21].…”

“…The study of the effects of rising sea levels is very important to affect coastal cities. Climate change through rising sea levels has a tendency for coastal areas to be inundated, as a result the balance of coastal areas, especially marine tourism will be disrupted [13,17,21].…”

“…However, there are good things that have been studied previously, namely the lowest level of coastal vulnerability is in Maron Beach, Marina Beach and Tanah Mas with a value of 2.8. X3, then with that it also becomes an advantage that the potential for coastal hazards with the lowest value is in the villages of Randugarut, Karanganyar, Tugurejo, Marina Beach and Tanah Mas with a value of 1.25 [21].…”