A new method of simulating volcanic eruption column formation and dispersion of ejected ash clouds

Arenal F. Espinosa; Avila R.; Raza S. S.

摘要

ABSTRACT > A new Eulerian?Lagrangian model is developed to predict the formation of eruption columns, and the long range transport and dispersion of volcanic ash clouds in the atmosphere. The model capability is tested by presenting the atmospheric dispersion of ash clouds released during two eruptions of the Popocatepetl volcano in Mexico. The atmospheric wind predictions were made by using the Eulerian <fc>r</fc> egional <fc>a</fc> tmospheric <fc>m</fc> odelling <fc>s</fc> ystem ( <fc>RAMS</fc> ), which is well tested over the Mexico region. Two Lagrangian models were also employed: (1) an eruption column formation model and (2) a Lagrangian stochastic deterministic ( <fc>LSD)</fc> particle dispersion model. In a <fc>LSD model</fc> , the continuous plume is simulated by several puffs (clouds) successively released in the atmosphere. (1) The influence of the wind on the eruption column, (2) the transport and dispersion of the ash cloud and (3) the concentration of volcanic ash using a smoothed particle hydrodynamics technique are reported. This is thought to be a unique combination of mathematical prediction models and would be of interest to the broader scientific community. The formation of the eruption column is compared with ground observations, while the long range trajectory of the ash clouds is compared with images based on satellite data, qualitatively. In both cases the agreement within the observed and simulated plume shape was found to be satisfactory which indicated the suitability of the Eulerian wind prediction model ( <fc>RAMS</fc> ) in the region as well as that of Lagrangian models employed in the study. </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 xmlns =“http://www.wiley.com/namespaces/wiley”type =“main”xml：lang =“en”> <title type =“main”>抽象</ title> >一个新的欧拉尼亚州的欧拉模型是开发出来预测喷发柱的形成，以及大气中火山灰云的远程运输和分散。通过呈现在墨西哥Popocatepetl火山火山的两次喷发期间释放的灰云的大气分散来测试模型能力。通过使用欧拉氏仪<Fc> R <FC> A </ FC> TMORION <FC> M </ FC>杂志<FC> S </ FC> Ystem（<FC> RAMS </ FC>），在墨西哥地区进行了良好测试。还采用了两种拉格朗日模型：（1）喷发柱形成模型和（2）拉格朗日随机确定性（<FC> LSD）</ FC>粒子分散模型。在<FC> LSD型号</ FC>中，连续羽流通过在大气中连续释放的几个浮雕（云）模拟。（1）据报道，（1）风对喷发塔的影响，（2）灰云和（3）使用平滑颗粒流体动力学技术的火山灰浓度的运输和分散。这被认为是数学预测模型的独特组合，并且对更广泛的科学界会感兴趣。将喷发柱的形成与地面观察进行比较，而基于卫星数据的图像比较灰云的长距离轨迹，定性地。在两种情况下，发现观察和模拟羽流形状内的协议是令人满意的，这表明该地区欧拉风预测模型（<FC> RAMS </ FC>）的适用性以及采用的拉格朗日模型学习。 </ 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-24923/'>《Meteorological applications》</a> <b style="margin: 0 2px;">|</b><span>2018年第1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=Arenal F. Espinosa&option=202" target="_blank" rel="nofollow">Arenal F. Espinosa;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Avila R.&option=202" target="_blank" rel="nofollow">Avila R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Raza S. S.&option=202" target="_blank" rel="nofollow">Raza S. S.;</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>Facultad de IngenieriaUniversidad VeracruzanaCoatzacoalcos Mexico;</p> <p>Centro de Ingeniería Avanzada Facultad de IngenieríaUniversidad Nacional Autonoma de Mexico (UNAM) Ciudad UniversitariaMexico;</p> <p>Faculty of EngineeringPakistan Institute of Engineering and Applied Sciences (PIEAS)Islamabad Pakistan;</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/164.html" title="大气科学（气象学）">大气科学（气象学）;</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=eruption column modelling&option=203" rel="nofollow">eruption column modelling;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=volcanic ash&option=203" rel="nofollow">volcanic ash;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=turbulent dispersion&option=203" rel="nofollow">turbulent dispersion;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=atmospheric modelling&option=203" rel="nofollow">atmospheric modelling;</a> </p> <div class="translation"> 机译：喷发柱建模;火山灰;湍流分散;大气建模; </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/0704023665248.html">A new method of simulating volcanic eruption column formation and dispersion of ejected ash clouds</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Arenal F. 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<span> . 2008-06-03</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：机载火山灰云及喷发检测系统及方法 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130421823280.html">METHOD FOR LOCALISING EMISSIONS DURING VOLCANIC ERUPTION AND AGENT FOR WETTING VOLCANIC ASH</a> <b>[P]</b> . <span> 外国专利：  RU2441111C1 </span> <span> . 2012-01-27</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：定位火山喷发中的排放物的方法和润湿火山灰的助剂 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130421865466.html">METHOD OF LOCATION emissions from the volcanic eruption and the agent for wetting VOLCANIC ASH</a> <b>[P]</b> . <span> 外国专利：  RU2010118960A </span> <span> . 2011-11-27</span> </div> <p class="zwjiyix translation" style="max-width: initial;height: auto;word-break: break-all;white-space: initial;text-overflow: initial;overflow: initial;"> <span>机译：火山喷发的位置排放方法和润湿火山灰的媒介 </span> </p> </li> </ul> </div> </div> </div> <div class="theme cardcommon" style="overflow: auto;display:none"> <h3 class="all_title" id="enpatent55">相关主题</h3> <ul id="subject"> </ul> </div> </div> </div> </div> <div class="right rightcon"> <div class="details_img cardcommon clearfix" style="margin-bottom: 10px;display:none;" > </div> </div> </div> <div id="thesis_get_original1" class="downloadBth" style="bottom: 19px;z-index: 999;" onclick="ywcd('0704023665248','4',7,2,1,'',this,24)" class="delivery" prompt="010401" title="通过人工服务将文献原文发送至邮箱" >获取原文</div> <div class="journalsub-pop-up" style="display: none"> <div class="journal-sub"> <h2>期刊订阅</h2> <img src="https://cdn.zhangqiaokeyan.com/img/loginclose.png" alt="关闭" onclick="$('.journalsub-pop-up').hide()"> <p class="pardon">抱歉，该期刊暂不可订阅，敬请期待！</p> <p 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