Data Tsunami

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Tsunami Data Assimilation For Early Warning

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Author : Yuchen Wang
language : en
Publisher: Springer Nature
Release Date : 2022-10-26

Tsunami Data Assimilation For Early Warning written by Yuchen Wang and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-10-26 with Nature categories.

This book focuses on proposing a tsunami early warning system using data assimilation of offshore data. First, Green’s Function-based Tsunami Data Assimilation (GFTDA) is proposed to reduce the computation time for assimilation. It can forecast the waveform at Points of Interest (PoIs) by superposing Green’s functions between observational stations and PoIs. GFTDA achieves an equivalently high accuracy of tsunami forecasting to the previous approaches, while saving sufficient time to achieve an early warning. Second, a modified tsunami data assimilation method is explored for regions with a sparse observation network. The method uses interpolated waveforms at virtual stations to construct the complete wavefront for tsunami propagation. Its application to the 2009 Dusky Sound, New Zealand earthquake, and the 2015 Illapel earthquake revealed that adopting virtual stations greatly improved the tsunami forecasting accuracy for regions without a dense observation network. Finally, a real-time tsunami detection algorithm using Ensemble Empirical Mode Decomposition (EEMD) is presented. The tsunami signals of the offshore bottom pressure gauge can be automatically separated from the tidal components, seismic waves, and background noise. The algorithm could detect tsunami arrival with a short detection delay and accurately characterize the tsunami amplitude. Furthermore, the tsunami data assimilation approach is combined with the real-time tsunami detection algorithm, which is applied to the tsunami of the 2016 Fukushima earthquake. The proposed tsunami data assimilation approach can be put into practice with the help of the real-time tsunami detection algorithm.

Heads Up

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Author : John A. Eisenhauer
language : en
Publisher: CreateSpace
Release Date : 2011-06-01

Heads Up written by John A. Eisenhauer and has been published by CreateSpace this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011-06-01 with Business & Economics categories.

Data has historically been the output of computer systems. With the onslaught of smartphones, and changes in behaviors such as "Tweeting," the volume, complexity and velocity of data is changing at an exponential pace. And with newer, small technologies being embedded into just about every physical manifestation, data is on its way to be generated from just about every person and every thing. Everything will be "talking" to the web: clothes, roads, signs, packages, chairs, table, cars, phones, etc. The Data Tsunami is on its way. This book provides the first Survival Guide of how an enterprise can implement the appropriate changes, methodologies and technologies to best govern and manage their current data and prepare for the Data Tsunami. This includes what most people think of as data governance and data management. The data that must be governed and managed include master data, meta data, referential data, transactional data and unstructured data such as social data, images, videos, spreadsheets and documents.

Data Tsunami

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Author :
language : en
Publisher:
Release Date : 2019

Data Tsunami written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.

Tsunami Data

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Author : World Data Center A for Solid Earth Geophysics
language : en
Publisher:
Release Date : 1988

Tsunami Data written by World Data Center A for Solid Earth Geophysics and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Tsunamis categories.

Earthquake Data Services And Publications Including Tsunami

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Author :
language : en
Publisher:
Release Date : 1981

Earthquake Data Services And Publications Including Tsunami written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1981 with Earthquakes categories.

Earthquake And Tsunami Data Services And Publications

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Author :
language : en
Publisher:
Release Date : 1986

Earthquake And Tsunami Data Services And Publications written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1986 with Earthquakes categories.

Earthquake Data Services And Publications Including Tsunami

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Author : National Geophysical Data Center
language : en
Publisher:
Release Date : 1983

Earthquake Data Services And Publications Including Tsunami written by National Geophysical Data Center and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with Seismology categories.

Data Tsunami

Tsunami Data Assimilation For Early Warning

Heads Up

Data Tsunami

Tsunami Data

Earthquake Data Services And Publications Including Tsunami

Earthquake And Tsunami Data Services And Publications

Earthquake Data Services And Publications Including Tsunami

Tsunami Data Management

Tsunami Data And Publications

Catalog Of Tsunamis In The Hawaiian Islands

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