Quantification of bedform dynamics and bedload sediment flux in sandy braided rivers from airborne and satellite imagery

机译：机载与卫星图像中沙子编织河流床单动力学和床单沉积物的量化

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Abstract >Images from specially‐commissioned aeroplane sorties (manned aerial vehicle, MAV), repeat unmanned aerial vehicle (UAV) surveys, and Planet CubeSat satellites are used to quantify dune and bar dynamics in the sandy braided South Saskatchewan River, Canada. Structure‐from‐Motion (SfM) techniques and application of a depth‐brightness model are used to produce a series of Digital Surface Models (DSMs) at low and near‐bankfull flows. A number of technical and image processing challenges are described that arise from the application of SfM in dry and submerged environments. A model for best practice is presented and analysis suggests a depth‐brightness model approach can represent the different scales of bedforms present in sandy braided rivers with low‐turbidity and shallow ( 2?m deep) water. >The aerial imagery is used to quantify the spatial distribution of unit bar and dune migration rate in an 18?km reach and three ~1?km long reaches respectively. Dune and unit bar migration rates are highly variable in response to local variations in planform morphology. Sediment transport rates for dunes and unit bars, obtained by integrating migration rates (from UAV) with the volume of sediment moved (from DSMs using MAV imagery) show near‐equivalence in sediment flux. Hence, reach‐based sediment transport rate estimates can be derived from unit bar data alone. Moreover, it is shown that reasonable estimates of sediment transport rate can be made using just unit bar migration rates as measured from 2D imagery, including from satellite images, so long as informed assumptions are made regarding average bar shape and height. With recent availability of frequent, repeat satellite imagery, and the ease of undertaking repeat MAV and UAV surveys, for the first time, it may be possible to provide global estimates of bedload sediment flux for large or inaccessible low‐tur </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”> <title类型=“main”>抽象</ title> >从专门委托飞机配量（有载人航空车，MAV），重复无人驾驶飞行器（UAV）调查和行星CubeSat卫星用于量化在加拿大桑迪编织南萨斯喀彻省河流中的沙丘和酒吧动态。结构从运动（SFM）技术和应用深度亮度模型的应用用于在低和近银行流动的一系列数字表面模型（DSM）。描述了许多技术和图像处理挑战，其出现在干燥和淹没的环境中SFM的应用。提出了一种用于最佳实践的模型，分析表明，深度亮度模型方法可以代表具有低浊度和浅（深）水的沙质编织河中存在的床单的不同尺度。</ p> >航空图像用于量化单位杆和沙丘迁移率的空间分布，分别为三〜1厘米长到达。 DUNE和单位级迁移率是高度变化的，响应平面形态的局部变化。通过将迁移率（来自UAV）与沉积物的体积集成（来自使用MAV Imagerery的DSM）来实现的沙丘和单位条的沉积物运输速率在沉积物通量中显示近乎等当量而获得的因此，基于达到的沉积物传输速率估计可以单独从单位栏数据中得出。此外，示出了可以使用从2D图像测量的仅单位杆迁移速率来制造沉积物传输速率的合理估计，包括从卫星图像中获得的，只要在普通条形和高度上进行知识的假设。随着近期可用性，重复卫星图像的可用性，以及首次重复MAV和UAV调查的易于进行重复的MAV和UAV调查，可以为大型或无法接近的低压床负荷沉积物通量提供全球估计 </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>2019年第4期</span><b style="margin: 0 2px;">|</b><span>共20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=Strick Robert J.P.&option=202" target="_blank" rel="nofollow">Strick Robert J.P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ashworth Philip J.&option=202" target="_blank" rel="nofollow">Ashworth Philip J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sambrook Smith Gregory H.&option=202" target="_blank" rel="nofollow">Sambrook Smith Gregory H.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Nicholas Andrew P.&option=202" target="_blank" rel="nofollow">Nicholas Andrew P.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Best James L.&option=202" target="_blank" rel="nofollow">Best James L.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lane Stuart N.&option=202" target="_blank" rel="nofollow">Lane Stuart N.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Parsons Daniel R.&option=202" target="_blank" rel="nofollow">Parsons Daniel R.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Simpson Christopher J.&option=202" target="_blank" rel="nofollow">Simpson Christopher J.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Unsworth Christopher A.&option=202" target="_blank" rel="nofollow">Unsworth Christopher A.;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Dale Jonathan&option=202" target="_blank" rel="nofollow">Dale Jonathan;</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>Division of Geography and Geology School of Environment and TechnologyUniversity of BrightonBrighton BN2 4GJ UK;</p> <p>Division of Geography and Geology School of Environment and TechnologyUniversity of BrightonBrighton BN2 4GJ UK;</p> <p>School of Geography Earth Environmental SciencesUniversity of BirminghamEdgbaston Birmingham BL5 2TT UK;</p> <p>Geography College of Life and Environmental SciencesUniversity of ExeterExeter EX4 4RJ UK;</p> <p>Departments of Geology Geography and Geographic Information Science Mechanical Science and Engineering and Ven Te Chow Hydrosystems LaboratoryUniversity of Illinois at Urbana‐Champaign1301 W. Green St Urbana IL 61801 USA;</p> <p>Institute of Earth Surface Dynamics Faculté des Géosciences et de l’EnvironnementUniversité de Lausanne Batiment GéopolisCH1015 Lausanne Switzerland;</p> <p>Geography School of Environmental Sciences Faculty of Science and EngineeringUniversity of HullHull HU6 7RX UK;</p> <p>Division of Geography and Geology School of Environment and TechnologyUniversity of BrightonBrighton BN2 4GJ UK;</p> <p>Geography College of Life and Environmental SciencesUniversity of ExeterExeter EX4 4RJ UK;</p> <p>Division of Geography and Geology School of Environment and TechnologyUniversity of BrightonBrighton BN2 4GJ UK;</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=sandy braided rivers&option=203" rel="nofollow">sandy braided rivers;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=UAV&option=203" rel="nofollow">UAV;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=drone&option=203" rel="nofollow">drone;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=CubeSat&option=203" rel="nofollow">CubeSat;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=digital surface model&option=203" rel="nofollow">digital surface model;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=bedforms&option=203" rel="nofollow">bedforms;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=bedload transport&option=203" rel="nofollow">bedload transport;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=South Saskatchewan&option=203" rel="nofollow">South Saskatchewan;</a> </p> <div class="translation"> 机译：桑迪编织河;无人机;无人机;立方体;数字表面模型;床罩;床单运输;南萨斯喀彻温; 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A. </a> <span>2010</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：2007年10月至2008年5月桑迪河对土拨鼠大坝呼吸的时间推移影像以及随后沙质河流的侵蚀</span> </p> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/academic-journal-cn_medical-equipment_thesis/0201291104169.html">两种床单位消毒法在多重耐药菌污染床单位中的应用效果</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=王凌燕&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 王凌燕</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=黎梦笋&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,黎梦笋</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=贾利霞&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,贾利霞</a> <span> <a href="/journal-cn-5560/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 医疗装备 </a> </span> <span> . 2021</span><span>,第015期</span> </span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-cn_journal-textile-research_thesis/020121547921.html">双针床单贾卡经编织物网眼数量与送经量的关系</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=李筱一&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 李筱一</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=缪旭红&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,缪旭红</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=蒋高明&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,蒋高明</a> <span> <a href="/journal-cn-9341/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 纺织学报 </a> </span> <span> . 2018</span><span>,第001期</span> </span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/academic-journal-cn_chinese-journal-rural-medicine-pharmacy_thesis/0201290735253.html">一次性泡澡袋联合床单位臭氧消毒机在翻身床消毒中的应用</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=陈燕青&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 陈燕青</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=卢慧琴&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,卢慧琴</a> <span> <a href="/journal-cn-6690/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 中国乡村医药 </a> </span> <span> . 2021</span><span>,第019期</span> </span> </div> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/academic-journal-cn_guide-china-medicine_thesis/0201298540921.html">规范化抢救床单元模式在急诊抢救室中的应用探究</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=陈炳星&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 陈炳星</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=刘赐惠&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,刘赐惠</a> <span> <a href="/journal-cn-6710/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 中国医药指南 </a> </span> <span> . 2021</span><span>,第35期</span> </span> </div> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/academic-journal-cn_medical-equipment_thesis/0201277847603.html">臭氧消毒机在呼吸科床单位真菌消毒中的应用效果</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=张荔&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 张荔</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=袁雪梅&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,袁雪梅</a> <span> <a href="/journal-cn-5560/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 医疗装备 </a> </span> <span> . 2020</span><span>,第003期</span> </span> </div> </li> <li> <div> <b>6. </b><a class="enjiyixqcontent" href="/academic-conference-cn_meeting-3303_thesis/02022759858.html">金矿区河流沉积物中重金属的释放动力学</a> <b>[C]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=CAI Yongbing&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . CAI Yongbing</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=蔡永兵&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,蔡永兵</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=MI Yu ting&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,MI Yu ting</a> <span> <a href="/conference-cn-3303/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 第二届全国沉积物环境与污染控制研讨会 </a> <span> <span> . 2014</span> </span> </div> </li> <li> <div> <b>7. </b><a class="enjiyixqcontent" href="/academic-degree-domestic_mphd_thesis/02031407403.html">金矿区河流沉积物中砷和锌的动力学释放</a> <b>[A] </b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=米玉婷&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 米玉婷</a> <span> . 2016</span> </span> </div> </li> </ul> <ul style="display: none;"> <li> <div> <b>1. </b><a class="enjiyixqcontent" href="/patent-detail/06120103911410.html">双针床单贾卡多色缇花织物的编织工艺及该缇花织物</a> <b>[P]</b> . <span> 中国专利： CN111364160A </span> <span> . 2020-07-03</span> </div> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/patent-detail/06120215377691.html">一种激光治疗中可用于床单铺垫的治疗车</a> <b>[P]</b> . <span> 中国专利： CN215503990U </span> <span> . 2022-01-14</span> </div> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/patent-detail/06130406294650.html">Smart Data - Utilizing a combination of Airborne sensor imagery capture from drone and satellite, as well as ground based sensors automatically recognized in airborne imagery, and combined with smart processing to automate detection and presciption areas on farmland. The ground based sensors will include identification of soil moisture, nutrients, light, and any other relevant information. They will also contain on board GNSS, and be solar powered. All information including imagery will then be stored in a central and then algorithms run to give health of particular crops.</a> <b>[P]</b> . <span> 外国专利：  AU2017101749A4 </span> <span> . 2018-02-01</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：智能数据-结合使用从无人机和卫星获取的机载传感器图像以及在机载图像中自动识别的地面传感器，并与智能处理相结合，使农田中的探测和沉淀区域自动化。地面传感器将包括对土壤水分，养分，光照和任何其他相关信息的识别。它们还将包含机载GNSS，并由太阳能供电。然后将所有信息（包括图像）存储在中央，然后运行算法以提供特定作物的健康状况。 </span> </p> </li> <li> <div> <b>4. </b><a class="enjiyixqcontent" href="/patent-detail/06130412036169.html">Device and method for determining the intensity of sediment transport in the river bedload</a> <b>[P]</b> . <span> 外国专利：  PL223747B1 </span> <span> . 2016-10-31</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：确定河床负荷中泥沙输送强度的装置和方法 </span> </p> </li> <li> <div> <b>5. </b><a class="enjiyixqcontent" href="/patent-detail/06130417617385.html">Device and method for determining the intensity of sediment transport in the river bedload</a> <b>[P]</b> . <span> 外国专利：  PL401889A1 </span> <span> . 2014-06-09</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：确定河床负荷中泥沙输送强度的装置和方法 </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('0704023138832','4',7,2,1,'',this,24)" 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