Meltwater erosion process of frozen soil as affected by thawed depth under concentrated flow in high altitude and cold regions

机译：高空和寒冷地区集中流动下冻土的熔化冻土侵蚀过程

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Abstract >Changes in thawed depth of frozen soil caused by diurnal and seasonal temperature fluctuations are commonly found in high altitude and latitude regions of the world. These changes significantly influence hydrologic and erosion processes. Experimental data are necessary to improve the understanding and modeling of the phenomenon. Laboratory experiments were conducted in Beijing to assess the impacts of thawed soil depth, slope gradient, and flow rate on soil erosion by concentrated meltwater flow over an underlying frozen soil layer. Soil samples from watershed were filled in flumes, saturated before being frozen. After the soil was completely frozen, flumes were taken out of storage to thaw the frozen soil from top to the designed depths. Meltwater flow was simulated using a tank filled with water and icecubes at approximately 0°C. The erosion experiments involved four thawed soil depths of 1, 2, 5, and 10?cm; three slope gradients of 5°, 10°, and 15°; and three flow rates of 1, 2, and 4?l/min; and seven rill lengths of 0.5, 1, 2, 3, 4, 5, and 6?m. Sediment‐laden water samples were collected at the lower end of the flume for determination of sediment concentration. The results showed that sediment concentration increased exponentially with rill length to approach a maximum value. The sediment concentrations were closely correlated with thawed soil depth, flow rate, and slope gradient. Shallower thawed depths delivered more sediments than deeper thawed depths. Slope gradient was the primary factor responsible for severe erosion. The effect of flow rate on sediment concentration which decreased with increasing slope gradient, was not as significant as that of slope gradient. Results from these experiments are useful for understanding the effect of thawed soil depth on erosion process in thawed soils subject to freezing and for estimating erosion model parameters. 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类型=“main”>抽象</ title> >冻土的冻结深度的变化昼夜和季节性温度波动通常在世界的高空和纬度地区发现。这些变化会显着影响水文和侵蚀过程。实验数据是改善现象的理解和建模所必需的。实验室实验在北京进行，评估解冻土壤深度，边坡梯度和流量对土壤侵蚀对土壤侵蚀的影响，通过浓缩的冻土流量在底层冷冻的土壤层上。来自流域的土壤样品填充在瓶子中，饱和前饱和。土壤完全冷冻后，将储存从储存中取出，将冷冻的土壤从顶部解冻到设计的深度。使用填充有水的罐和冰箱在大约0°C的冰箱模拟熔融流。侵蚀实验涉及四种解冻的土壤深度为1,2,5和10？cm;三个斜坡梯度为5°，10°和15°;三个流速为1,2和4？L / min;和七个植物长度为0.5,1,2,3,4,5和6？m。在小管的下端收集沉积物水样，以确定沉积物浓度。结果表明，沉积物浓度随着佝偻病长度呈指数增长以接近最大值。沉积物浓度与解冻土壤深度，流速和坡度梯度密切相关。浅薄的深度达到比深层解冻的深度更多的沉积物。坡梯度是负责严重侵蚀的主要因素。流速对坡度梯度增加降低的沉积物浓度的影响并不像坡梯度那么重要。这些实验的结果可用于了解解冻土壤深度对冻结的侵蚀过程的影响和估算腐蚀模型参数的影响。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8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=Ban Yunyun&option=202" target="_blank" rel="nofollow">Ban Yunyun;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lei Tingwu&option=202" target="_blank" rel="nofollow">Lei Tingwu;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Chao&option=202" target="_blank" rel="nofollow">Chen Chao;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yin Zhe&option=202" target="_blank" rel="nofollow">Yin Zhe;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Qian Dengfeng&option=202" target="_blank" rel="nofollow">Qian Dengfeng;</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>College of Water Resources and Civil EngineeringChina Agricultural UniversityBeijing P. R. China;</p> <p>College of Water Resources and Civil EngineeringChina Agricultural UniversityBeijing P. R. China;</p> <p>College of Water Resources and Civil EngineeringChina Agricultural UniversityBeijing P. R. China;</p> <p>China Institute of Water Resources and Hydropower ResearchBeijing P. R. China;</p> <p>College of Resource and EnvironmentXizang Agriculture and Animal Husbandry CollegeLinzhi Tibet Autonomous Region 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=meltwater erosion&option=203" rel="nofollow">meltwater erosion;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=erosion process&option=203" rel="nofollow">erosion process;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=thawed soil depth&option=203" rel="nofollow">thawed soil depth;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=slope gradient&option=203" rel="nofollow">slope gradient;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=flow rate&option=203" rel="nofollow">flow rate;</a> </p> <div class="translation"> 机译：熔体侵蚀;侵蚀过程;解冻土壤深度;坡梯度;流量; </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/0704023139101.html">Meltwater erosion process of frozen soil as affected by thawed depth under concentrated flow in high altitude and cold regions</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ban Yunyun&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Ban Yunyun,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Lei Tingwu&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Lei Tingwu,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chen Chao&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Chen Chao,</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：高空和寒冷地区集中流动下冻土的熔化冻土侵蚀过程</span> </p> </li> <li> <div> <b>2. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_detail_thesis/0204115483707.html">Study on the facilities and procedures for meltwater erosion of thawed soil</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yunyun Ban&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Yunyun Ban,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Tingwu Lei&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Tingwu Lei,</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Chao Chen&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">Chao Chen,</a> <a href="/journal-foreign-22054/" target="_blank" rel="nofollow" class="tuijian_authcolor">International Soil and Water Conservation Research .</a> <span>2016</span><span>,第2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：融化土壤融水侵蚀的设施与程序研究 </ sup></span> </p> </li> <li> <div> <b>3. </b><a class="enjiyixqcontent" href="/academic-journal-foreign_advances-water-resources_thesis/0204112161555.html">Analytical solutions for benchmarking cold regions subsurface water flow and energy transport models: One-dimensional soil thaw with conduction and advection</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Barret L. 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<b>5. </b><a class="enjiyixqcontent" href="/academic-journal-cn_detail_thesis/0201293826507.html">动荷载作用下冻土试验技术及冻土变形初步研究</a> <b>[J]</b> <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=孙义强&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor"> . 孙义强</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=孟上九&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,孟上九</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=王兴隆&option=202" target="_blank" rel="nofollow" class="tuijian_auth tuijian_authcolor">,王兴隆</a> <span> <a href="/journal-cn-56884/" target="_blank" rel="nofollow" class="tuijian_authcolor"> . 地震工程与工程振动 </a> </span> <span> . 2016</span><span>,第1期</span> </span> </div> </li> <li> <div> <b>6. </b><a class="enjiyixqcontent" href="/academic-conference-cn_meeting-33143_thesis/02022754723.html">青藏公路冻土路段冻土过程的变化和控制建议</a> <b>[C]</b> <span> <a 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