Variation in reach‐scale thalweg‐migration intensity in a braided reach of the lower Yellow River in 1986–2015

机译：1986 - 2015年，下黄河辫状距离达到达到达到迁移强度的变化

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Abstract >Thalweg migration of an alluvial river plays a key role in channel evolution, which may influence the effect of existing river training works and biodiversity on floodplains, and cause losses in riparian land and property. The braided reach of the Lower Yellow River underwent continuous channel aggradation during the period from 1986 to 1999, and then remarkable channel degradation in 1999–2015 owing to the state of operation of the Xiaolangdi Reservoir in 1999. Here we quantify associated thalweg migration changes and identify the key influencing factor in the braided reach. Thalweg‐migration distances and intensities at section‐ and reach‐scales were calculated during the past 30?years from 1986 to 2015, in order to investigate the characteristics of thalweg migration in the reach. There was a 47% reduction in the reach‐scale thalweg‐migration distance and a 35% reduction in the corresponding migration intensity after the reservoir operation. It is also revealed that fluvial erosion intensity is a dominant factor in controlling the thalweg migration, based on the investigation into various influencing factors in the study reach. The thalweg‐migration intensity of the braided reach can be expressed as a power function of the previous four‐year average fluvial erosion intensity. The calculated thalweg‐migration intensities in 1986–2015 using the proposed relation generally agree with the observed data. Copyright ? 2017 John Wiley & Sons, Ltd. </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”> <title type =“main”>抽象</ title> > thalweg迁移的加蓝河播放一个键在渠道演变中的作用，这可能影响现有河流训练工程和生物多样性对洪泛平原的影响，并导致河岸土地和财产损失。下黄河的编织范围在1986年至1999年期间接受了连续渠道委员会，然后在1999年的Xiaolangdi水库的运作状态下，1999-2015的卓越渠道退化。在这里，我们量化了相关的Thalweg迁移变化和识别编织范围的关键影响因素。在过去的30年期间，在过去的30年期间计算了Thalweg-and-leades的距离和强度，从1986年到2015年，以调查达到触及中的Thalweg迁移的特征。储层运作后，达到尺度迁移距离减少47％，降低了相应的迁移强度的35％。还透露，河流侵蚀强度是控制Thalweg迁移的主导因素，基于对研究达到的各种影响因素的调查。编织覆盖范围的Thalweg迁移强度可以表示为先前的四年平均河流侵蚀强度的功率函数。计算出的Thalweg迁移强度，1986 - 2015年使用所提出的关系通常与观察到的数据一致。版权？ 2017年John Wiley＆amp; SONS，LTD。</ 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-22319/'>《Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group》</a> <b style="margin: 0 2px;">|</b><span>2017年第13期</span><b style="margin: 0 2px;">|</b><span>共11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=Li Jie&option=202" target="_blank" rel="nofollow">Li Jie;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xia Junqiang&option=202" target="_blank" rel="nofollow">Xia Junqiang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhou Meirong&option=202" target="_blank" rel="nofollow">Zhou Meirong;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Deng Shanshan&option=202" target="_blank" rel="nofollow">Deng Shanshan;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhang Xiaolei&option=202" target="_blank" rel="nofollow">Zhang Xiaolei;</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>State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityWuhan P.R. China;</p> <p>State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityWuhan P.R. China;</p> <p>State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityWuhan P.R. China;</p> <p>State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityWuhan P.R. China;</p> <p>State Key Laboratory of Water Resources and Hydropower Engineering ScienceWuhan UniversityWuhan P.R. China;</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=thalweg migration&option=203" rel="nofollow">thalweg migration;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=fluvial erosion intensity&option=203" rel="nofollow">fluvial erosion intensity;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=reach‐scale&option=203" rel="nofollow">reach‐scale;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=braided reach&option=203" rel="nofollow">braided reach;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=lower Yellow River&option=203" rel="nofollow">lower Yellow River;</a> </p> <div class="translation"> 机译：Thalweg迁移;河流侵蚀强度;达到尺度;编织覆盖范围;下黄河; </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/0704023139111.html">Variation in reach‐scale thalweg‐migration intensity in a braided reach of the lower Yellow River in 1986–2015</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Jie&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Li Jie,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Xia Junqiang&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Xia Junqiang,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhou Meirong&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Zhou Meirong,</a> <a href="/journal-foreign-22319/" target="_blank" rel="nofollow" class="tuijian_authcolor">Earth Surface Processes and Landforms: The journal of the British Geomorphological Research Group .</a> <span>2017</span><span>,第13期</span> </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：1986 - 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