Optimal Design for Placements of Tsunami Observing Systems to Accurately Characterize the Inducing Earthquake

Mulia Iyan E.; Gusman Aditya Riadi; Satake Kenji

摘要

Abstract >Recently, there are numerous tsunami observation networks deployed in several major tsunamigenic regions. However, guidance on where to optimally place the measurement devices is limited. This study presents a methodological approach to select strategic observation locations for the purpose of tsunami source characterizations, particularly in terms of the fault slip distribution. Initially, we identify favorable locations and determine the initial number of observations. These locations are selected based on extrema of empirical orthogonal function (EOF) spatial modes. To further improve the accuracy, we apply an optimization algorithm called a mesh adaptive direct search to remove redundant measurement locations from the EOF‐generated points. We test the proposed approach using multiple hypothetical tsunami sources around the Nankai Trough, Japan. The results suggest that the optimized observation points can produce more accurate fault slip estimates with considerably less number of observations compared to the existing tsunami observation networks. </abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> <div class="translation abstracttxt"> <span class="zhankaihshouqi fivelineshidden" id="abstract"> <span>机译：</span><Abstract Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >最近，在几个主要的海啸区域部署了许多海啸观测网络。然而，对最佳地放置测量装置的指导是有限的。本研究提出了一种方法论方法，可以为海啸源表征选择战略观察位置，特别是在故障滑动分布方面。最初，我们确定有利的位置并确定初始观察数。基于经验正交函数（EOF）空间模式的极值选择这些位置。为了进一步提高准确性，我们应用一种称为网格自适应直接搜索的优化算法，以从EOF产生的点中删除冗余测量位置。我们使用日本南开槽周围的多个假设海啸来源测试所提出的方法。结果表明，与现有的海啸观察网络相比，优化的观察点可以产生更准确的故障滑动估计，观察数量较少。</ p> </ abstract> </span> <span class="z_kbtn z_kbtnclass hoverxs" style="display: none;">展开▼</span> </div> </div> <div class="record"> <h2 class="all_title" id="enpatent33" >著录项</h2> <ul> <li> <span class="lefttit">来源</span> <div style="width: 86%;vertical-align: text-top;display: inline-block;"> <a href='/journal-foreign-23539/'>《Geophysical Research Letters》</a> <b style="margin: 0 2px;">|</b><span>2017年第24期</span><b style="margin: 0 2px;">|</b><span>共10页</span> </div> </li> <li> <div class="author"> <span class="lefttit">作者</span> <p id="fAuthorthree" class="threelineshidden zhankaihshouqi"> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mulia Iyan E.&option=202" target="_blank" rel="nofollow">Mulia Iyan E.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Gusman Aditya Riadi&option=202" target="_blank" rel="nofollow">Gusman Aditya Riadi;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Satake Kenji&option=202" target="_blank" rel="nofollow">Satake Kenji;</a> </p> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zkzz" style="display: none;">展开▼</span> </div> </li> <li> <div style="display: flex;"> <span class="lefttit">作者单位</span> <div style="position: relative;margin-left: 3px;max-width: 639px;"> <div class="threelineshidden zhankaihshouqi" id="fOrgthree"> <p>Earthquake Research InstituteUniversity of TokyoTokyo Japan;</p> <p>Earthquake Research InstituteUniversity of TokyoTokyo Japan;</p> <p>Earthquake Research InstituteUniversity of TokyoTokyo Japan;</p> </div> <span class="z_kbtnclass z_kbtnclassall hoverxs" id="zhdw" style="display: none;">展开▼</span> </div> </div> </li> <li > <span class="lefttit">收录信息</span> <span style="width: 86%;vertical-align: text-top;display: inline-block;"></span> </li> <li> <span class="lefttit">原文格式</span> <span>PDF</span> </li> <li> <span class="lefttit">正文语种</span> <span>eng</span> </li> <li> <span class="lefttit">中图分类</span> <span><a href="https://www.zhangqiaokeyan.com/clc/163.html" title="地球物理学">地球物理学;</a></span> </li> <li class="antistop"> <span class="lefttit">关键词</span> <p style="width: 86%;vertical-align: text-top;"> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=tsunami&option=203" rel="nofollow">tsunami;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=observation networks&option=203" rel="nofollow">observation networks;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=optimization&option=203" rel="nofollow">optimization;</a> </p> <div class="translation"> 机译：海啸;观察网络;优化; </div> </li> </ul> </div> </div> <div class="literature cardcommon"> <div class="similarity "> <h3 class="all_title" id="enpatent66">相似文献</h3> <div class="similaritytab clearfix"> <ul> <li class="active" >外文文献</li> <li >中文文献</li> <li >专利</li> </ul> </div> <div class="similarity_details"> <ul > <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019849632.html">Optimal Design for Placements of Tsunami Observing Systems to Accurately Characterize the Inducing Earthquake</a> <b>[J]</b> . <span> <a 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href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张文璨&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 张文璨</a> <span> . 2017</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/061202968830.html">一种二维宽线地震观测系统的优化设计方法及装置</a> <b>[P]</b> . <span> 中国专利： CN106501841B </span> <span> . 2018.08.14</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120108993344.html">一种二维宽线地震观测系统的优化设计方法及装置</a> <b>[P]</b> . <span> 中国专利： CN106501841A </span> <span> . 2017-03-15</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130453262020.html">METHOD, SYSTEM AND DEVICE FOR DETECTING THE GENERATION AND THE SIZE OF TSUNAMI BY OBSERVING AND MEASURING FROM THE SPACE THE TEMPERATURE RISE OR STEAM QUANTITY ON THE SEA SURFACE OF HUNDREDS KM2 IN TENS SECONDS DUE TO HEAT ENERGY RELEASE AS GREAT NUMBER OF STEAM BUBBLE, 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