Abstract
<p>Local wisdoms such as a traditional ethics, land-use system and others had sometimes mitigated tsunami damages in Indonesia. The effective use of those local wisdoms is strongly desired especially in developing countries, because it is quite difficult for those countries to allocate enough budgets for constructing hard type of countermeasures against tsunami. Among local wisdoms against tsunami hazard, this study evaluates the efficiency of a hollow topography which can be seen on the beach along Lampon village in Indonesia. Artificial hollows are arrayed on the beach as one of the local wisdoms in Lampon village to reduce the intensity of inundated tsunami flow. The numerical simulation of tsunami inundation is conducted to evaluate the efficiency of this hollow topography. Furthermore, this study evaluates the efficiency of some contrivances, such a combination of vegetation area and a multiple-use of hollow and embankment topography, in order to enhance the performance of countermeasure based on the local wisdom.</p>
Highlights
Local wisdoms such as a tradition, land-use system, etc. had sometimes mitigated tsunami damages in Indonesia
The effective use of local wisdoms is strongly desired especially in developing countries, because local governments cannot allocate enough budgets for constructing hard type countermeasures against tsunami. Among those local wisdoms against tsunami hazard, this study evaluates the efficiency of a hollow topography which can be seen on the beach along Lampon village in Indonesia
This study evaluates the efficiency of some contrivances, such a combination of vegetation area, a multiple-use of hollow and embankment topography in order to enhance the performance of countermeasure based on the local wisdom
Summary
Local wisdoms such as a tradition, land-use system, etc. had sometimes mitigated tsunami damages in Indonesia. The effective use of local wisdoms is strongly desired especially in developing countries, because local governments cannot allocate enough budgets for constructing hard type countermeasures against tsunami. Among those local wisdoms against tsunami hazard, this study evaluates the efficiency of a hollow topography which can be seen on the beach along Lampon village in Indonesia. 9.1m tsunami height was measured at a point on the seaside 1km east of the village Between these two points, there is a vegetation area and an artificially hollowed area. Those topographic features might have reduced the tsunami energy in Lampon village
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