MAVEN Observations of Ionospheric Irregularities at Mars

Fowler C. M.; Andersson L.; Shaver S. R.; Thayer J. P.; Huba J. D.; Lillis R.; Usanova M. E.; Espley J.; Ergun R. E.; Mcfadden J.; Mahaffy P. R.; Connerney J. E. P.; Benna M.; Elrod M.; Mitchell D. L.; Mazelle C.; Jakosky B. M.

摘要

Abstract > Ionospheric irregularities associated with horizontal magnetic fields below 200?km altitude are observed at Mars. Plasma density modulations of up to 200% are observed during such events and appear correlated with fluctuations in the magnetic field. The observed fluctuations are likely Doppler shifted and represent spatial structures at length scales of 15–20?km or less. Conditions in the Martian ionosphere below 200?km are synonymous with the terrestrial E region, where ionospheric irregularities have been extensively studied. Interestingly, the irregularities at Mars appear to be electromagnetic in nature, in contrast to the electrostatic nature of irregularities at Earth. It is currently unclear what the primary drivers of these irregularities at Mars are, and further study is needed to explain these important phenomenon within the Martian ionosphere. </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：ID =“Grl56564-Abs-Abs-0001”XML：Lang =“en”> <标题类型=“main”>抽象</ title> >与下面的水平磁场相关的电离层违规在火星中观察到200的高度。在此类事件期间观察到高达200％的等离子体密度调制，并且看起来与磁场的波动相关。观察到的波动可能是多普勒移位，并且表示长度尺度为15-20 km或更低的空间结构。 Martian电离层的条件低于200？KM的陆地间 e </ i>区域是同义的，其中电离层违规是广泛研究的。有趣的是，在火星凹凸似乎是在电磁性质，而相比之下，不规则的在地球的静电性质。目前尚不清楚火星在火星上这些违规行为的主要驱动因素，并且需要进一步研究，以解释Martian电离层内的这些重要现象。 </ 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21期</span><b style="margin: 0 2px;">|</b><span>共1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=Fowler C. M.&option=202" target="_blank" rel="nofollow">Fowler C. M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Andersson L.&option=202" target="_blank" rel="nofollow">Andersson L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Shaver S. R.&option=202" target="_blank" rel="nofollow">Shaver S. R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Thayer J. P.&option=202" target="_blank" rel="nofollow">Thayer J. P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Huba J. D.&option=202" target="_blank" rel="nofollow">Huba J. D.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lillis R.&option=202" target="_blank" rel="nofollow">Lillis R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Usanova M. E.&option=202" target="_blank" rel="nofollow">Usanova M. E.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Espley J.&option=202" target="_blank" rel="nofollow">Espley J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ergun R. E.&option=202" target="_blank" rel="nofollow">Ergun R. E.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mcfadden J.&option=202" target="_blank" rel="nofollow">Mcfadden J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mahaffy P. R.&option=202" target="_blank" rel="nofollow">Mahaffy P. R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Connerney J. E. P.&option=202" target="_blank" rel="nofollow">Connerney J. E. P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Benna M.&option=202" target="_blank" rel="nofollow">Benna M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Elrod M.&option=202" target="_blank" rel="nofollow">Elrod M.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mitchell D. L.&option=202" target="_blank" rel="nofollow">Mitchell D. L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mazelle C.&option=202" target="_blank" rel="nofollow">Mazelle C.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Jakosky B. M.&option=202" target="_blank" rel="nofollow">Jakosky B. M.;</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>Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulder CO USA;</p> <p>Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulder CO USA;</p> <p>Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulder CO USA;</p> <p>Department of Aerospace Engineering SciencesUniversity of Colorado BoulderBoulder CO USA;</p> <p>Plasma Physics DivisionNaval Research LaboratoryWashington DC USA;</p> <p>Space Sciences LaboratoryUniversity of CaliforniaBerkeley CA USA;</p> <p>Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulder CO USA;</p> <p>Planetary Magnetospheres LabNASA Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulder CO USA;</p> <p>Space Sciences LaboratoryUniversity of CaliforniaBerkeley CA USA;</p> <p>Planetary Environments LaboratoryNASA Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Planetary Magnetospheres LabNASA Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Planetary Magnetospheres LabNASA Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Planetary Environments LaboratoryNASA Goddard Space Flight CenterGreenbelt MD USA;</p> <p>Space Sciences LaboratoryUniversity of CaliforniaBerkeley CA USA;</p> <p>IRAP University of Toulouse CNRS UPS CNESToulouse France;</p> <p>Laboratory for Atmospheric and Space PhysicsUniversity of Colorado BoulderBoulder CO USA;</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=ionosphere&option=203" rel="nofollow">ionosphere;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=instability&option=203" rel="nofollow">instability;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Mars&option=203" rel="nofollow">Mars;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=irregularity&option=203" rel="nofollow">irregularity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=MAVEN&option=203" rel="nofollow">MAVEN;</a> </p> <div class="translation"> 机译：电离层;不稳定;火星;不规则;maven; </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="/academic-journal-cn_mechanics-express-english_thesis/0201241921711.html">Experimental study on interaction between a positive mass and a negative effective mass through a mass-spring system</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Jiao Zhou&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Jiao Zhou,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yong Cheng&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Yong Cheng,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Hongkuan Zhang&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Hongkuan Zhang,</a> <a href="/journal-foreign-13129/" target="_blank" rel="nofollow" class="tuijian_authcolor">力学快报(英文版) .</a> <span>2015</span><span>,第005期</span> </span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/journal-foreign-detail/0704019849594.html">MAVEN Observations of Ionospheric Irregularities at Mars</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Fowler C. 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