The Geo-Information System Application for Display of the Tsunami Type Long Wave Propagation Modeling Results in the Black Sea Coastal Area

A.Yu. Basykina✉, E.V. Zhuk, A.Kh. Khaliulin

Marine Hydrophysical Institute, Russian Academy of Sciences, Sevastopol, Russian Federation

✉ e-mail: aleksa.44.33@gmail.com

Abstract

Study of the tsunami wave propagation in the coastal zone is an important practical task in the field of oceanology. Although tsunami in the Black Sea is a rare phenomenon, however, the level of seismic activity in the region does not permit to exclude generation of strong tsunami waves due to the underwater earthquakes. The computation experiments make it possible to analyze the features of the tsunami type wave transformation and to determine the sea level changes in the coastal zone. The geo-information system is shown to be is applied to visualize the tsunami type long wave propagation modeling results in the Black Sea coastal area. Within the framework of the nonlinear long wave theory, the Propagation of Surface Long Tsunami Type Waves in the Black Sea Coastal Zone software model is developed. It is integrated into the Black Sea geo-information system. The software module providing data exchange between the geo-information system and the model is developed. It permits to analyze the wave field transformation features and to quantify the wave amplitude characteristics when they propagate towards different sections of the Black Sea coast.

The results of the software module operation are represented based on the example of the Feodosiya Gulf. The instantaneous fields of sea level displacements in the gulf and the horizontal velocity fields are constructed. The values of the sea level maximum elevation and sink in the basin are calculated. The mareograms in the specified zones which allow the assessment of tsunami risk for the Feodosiya Gulf coast are also constructed.

Keywords

geo-information system, tsunami type waves, nonlinear long wave propagation, waves in gulfs and bays, tsunami risk for the Black Sea coast

For citation

Basykina, A.Yu., Zhuk, E.V. and Khaliulin, A.Kh., 2017. The Geo-Information System Application for Display of the Tsunami Type Long Wave Propagation Modeling Results in the Black Sea Coastal Area. Physical Oceanography, (3), pp. 69-76. doi:10.22449/1573-160X-2017-3-69-76

DOI

10.22449/1573-160X-2017-3-69-76

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