Abstract
The relationship between the impacts of coastal perimeter transformations derived from human activity and coastal vulnerability is not easy to assess. The impacts associated with coastal dynamics are phenomena that usually develop very extensively over a considerable time. These are transformations that cause significant environmental damage in vulnerable coastal areas, but whose results are very often not really visible until 10, 20, or even 40 years have elapsed. In addition, the analysis and quantification of the current context in complex territories is particularly difficult, since the spatial feedback of various issues and its consequences can generate an uncertain scenario with many interrelated variables. In this field, the use of GIS tools can be of great help to objectively analyze the relationship between coastal anthropization and its impact on its vulnerability in order to correct wrong inertias in vulnerable coastal areas. To this end, a long-term GIS analysis has been carried out of the impacts from urbanization and seaside infrastructures suffered by a complex Mediterranean coastal area in Spain. This territory, with singular elements such as dune ridges, beaches located in protected areas, and a coastal lagoon, will be evaluated using GIS spatio-temporal indicators over the last 90 years and geostatistical correlation methods. This approach will allow us to better understand the relationship between territorial transformations on the coast and the current coastal vulnerability of this area.
Highlights
IntroductionThere are several approaches that focus on, for example, their analysis of the environmental [2], economic [3], physical [4], or social impact [5], and some that even consider the combination of several of them [6,7]
This study has presented an innovative methodology for analyzing the coastal vulnerability of a territory based on the GIS evaluation of the spatial statistical correlation of long-term anthropic impacts and the distribution of current risks
Mar Menor Mediterranean lagoon reveals that the urbanization processes being developed in the last decades have generated imbalances
Summary
There are several approaches that focus on, for example, their analysis of the environmental [2], economic [3], physical [4], or social impact [5], and some that even consider the combination of several of them [6,7] This problem can affect various environments such as large cities [8], natural areas [9], tourist beaches [10], developing countries [11], or small islands [12], among others, and is often associated with phenomena such as urbanization and the construction of infrastructures [13,14], hazards [15,16], and in recent years, the global climate change of the planet [8,17]. There are many other less common reasons that may bring about this problem, such as land subsidence [4], hydrology [18], or soil erosion [19] for example, with a complex set of these causes being the final origin of the vulnerability of a coastal territory in many cases.
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