The New Tsunami Warning System of the Japan Meteorological Agency
The New Tsunami Warning System of the Japan Meteorological Agency
复制标题
日本气象厅新海啸警报系统
DOI：
10.1007/978-94-015-8859-1_12
复制
发表时间：
1997
期刊：
影响因子：
--
通讯作者：
H. Tatehata
中科院分区：
文献类型：
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作者：
H. Tatehata
自1941年以来，日本气象厅(JMA)一直参与对频繁遭受海啸灾害的日本的海啸预报。然而，在其间的几年中，又发生了巨大的海啸(例如，日本海地震海啸{1983，5，26 M=7.7}，北海道南海海啸{1993，7，12 M=7.8})，。新的海啸预警系统由以下三部分组成：1.使用P波震级的新地震台网；2.快速数值海啸模式；3.卫星传播系统。新的地震台网和卫星传播系统已经建成。快速数值海啸模型即将完成，并将在几年内投入使用。本文将重点研究快速数值海啸预报模式，因为这将是世界上第一批将快速数值模拟应用于海啸预报的模式之一。
Since 1941, the Japan Meteorological Agency (JMA) has been involved in tsunami forecasting for Japan, which has frequently suffered from tsunami disasters. However, in the intervening years huge tsunami have occurred again (for example, the Japan Sea earthquake tsunami {1983,5,26 M=7.7}, and the Hokkaido Nanseioki Tsunami {1993, 7,12 M=7.8}),. and have taken many lives The experience with these tsunamis has fuels the Japanese desire to provide a more rapid and accurate tsunami forecast system in order to save lives.The new Tsunami Warning System is made up of the following three components:1.a new seismograph network using P-wave magnitudes,2.rapid numerical tsunami model, and3.a satellite-based dissemination system.The new seismograph network and the satellite-based dissemination system have been completed. Rapid numerical tsunami model is nearing completion and will be operational in a few years.In this paper, this new system and procedures are introduced. The paper will focus especially on the rapid numerical tsunami model in detail, because it will be one of the first applications of rapid numerical modeling to tsunami forecasting in the world.