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| DOI | 10.1146/annurev-earth-071719-054845 |
| Tsunami Modeling for the Deep Sea and Inside Focal Areas | |
| Saito T.; Kubota T. | |
| 发表日期 | 2020 |
| ISSN | 0084-6597 |
| 起始页码 | 121 |
| 结束页码 | 145 |
| 卷号 | 48 |
| 英文摘要 | This article reviews tsunami modeling and its relation to recent developments of deep-ocean observations. Unlike near-coast observations, deep-ocean observations have enabled the capture of short-wavelength dispersive tsunamis and reflected waves from the coast. By analyzing these waves, researchers can estimate tsunami sources and earthquake slip distributions more reliably with higher spatial resolution. In addition, fractional tsunami speed reduction due to the elasticity of the Earth medium is now clearly detected. Densely and widely distributed tsunami sensors make it possible to observe tsunamis inside the earthquake focal area, and understanding tsunami generation mechanisms is increasingly important. In order to describe the generation field, we should consider seismic waves overlapping tsunami signals in addition to vertical and horizontal displacements at the sea bottom. The importance of elastic dynamics, in addition to fluid dynamics, is increasing in order for researchers to fully understand tsunami phenomena using the new offshore and inside focal area observations. Deep-ocean observations have advanced tsunami propagation modeling. New deep-ocean observations in earthquake focal areas are expected to detect in situ tsunami generation caused by megathrust earthquakes. The importance of elastic dynamics, in addition to fluid dynamics, is increasing to help researchers fully understand mechanics in tsunami generation and propagation. Tsunami modeling including earthquake rupture and seismic waves contributes to mega-thrust earthquake investigation and disaster mitigation. © Copyright 2020 by Annual Reviews. All rights reserved. |
| 关键词 | EarthquakesFluid dynamicsOceanographyOffshore oil well productionSeismic wavesDisaster mitigationEarthquake ruptureEarthquake slip distributionHorizontal displacementsMegathrust earthquakesPropagation modelingSpatial resolutionTsunami generationTsunamisdeep seaearthquake rupturefocal mechanismocean waveseismic waveslipspatial resolutionthrust faulttsunami |
| 语种 | 英语 |
| 来源机构 | Annual Review of Earth and Planetary Sciences |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/131916 |
| 推荐引用方式 GB/T 7714 | Saito T.,Kubota T.. Tsunami Modeling for the Deep Sea and Inside Focal Areas[J]. Annual Review of Earth and Planetary Sciences,2020,48. |
| APA | Saito T.,&Kubota T..(2020).Tsunami Modeling for the Deep Sea and Inside Focal Areas.,48. |
| MLA | Saito T.,et al."Tsunami Modeling for the Deep Sea and Inside Focal Areas".48(2020). |
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