Soil erosion rates assessed by RUSLE and PESERA for a Chinese Loess Plateau catchment under land‐cover changes

Li Pengfei; Zang Yuzhe; Ma Doudou; Yao Wanqiang; Holden Joseph; Irvine Brian; Zhao Guangju

摘要

ABSTRACT >On the Chinese Loess Plateau, soil erosion models are often employed to predict erosion rates and responses to land‐use/‐cover changes (LUCCs). Previous Loess Plateau studies employed individual models with specific emphases but model comparisons have not been undertaken so the relative performance of different models is not known. In this study we employed two extensively applied models (RUSLE and PESERA) to investigate the impact of LUCCs during 1990–2000 and 2000–2011 on soil erosion rates for a typical Loess Plateau catchment (i.e. Huangfuchuan), and compared their modelling results. Land‐cover patterns for 1990, 2000 and 2011 were derived from Landsat images. The catchment was dominated by grassland (over 70%) and experienced considerable LUCCs: vegetation coverage increased from 38.3% in 1990 to 48.7% in 2011. Modelling results suggested that mean soil erosion rates of the catchment increased under the 1990–2000 LUCC and decreased under the 2000–2011 LUCC. Sandy land and scrubland were found to suffer from most severe soil erosion and thus should be the focus of future conservation work. Mean soil erosion rates on steep slopes (i.e. 25°) were predicted to increase under the 2000–2011 LUCC, implying that further work is still needed to study soil erosion processes and their conservation on steep slopes. Model comparisons showed that RUSLE predictions were higher than PESERA predictions for most areas (particularly for steep slopes), and the former were generally closer than the latter to check‐dam sediment yield measurements. RUSLE and PESERA results were not linearly correlated, possibly due to differences in their underlying principles and their sensitivity to crucial parameters – RUSLE is more sensitive to slope gradients while PESERA is more sensitive to vegetation coverage. PESERA needs improvement to better account for steep slope erosion processes on the Loess Plateau, while RUSLE needs improvement in the description of vegetation effects. ? 2019 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 Type =“Main”XML：Lang =“en”> <标题类型=“main”>抽象</ title> <P>在中国黄土高原上，往往采用土壤侵蚀模型来预测侵蚀率和对土地利用/ - COVER的反应（LUCC）。之前的黄土高原研究采用了具有特定重点的个别模型，但尚未开展模型比较，因此不知道不同模型的相对性能。在这项研究中，我们采用了两个广泛应用的模型（风险和PESERA）来研究卢卡斯在1990 - 2000 - 2011年期间对典型黄土高原集水区的土壤侵蚀率（即黄福川）的影响，并比较了其建模结果。 1990年，2000年和2011年的陆地覆盖模式源自Landsat图像。该集水区由草原（超过70％）主导，经历了可观的卢卡：植被覆盖率从1990年的38.3％增加到2011年的48.7％。建模结果表明，在1990 - 2000年的LUCC下，该集水区的平均土壤侵蚀率增加到了下降根据2000-2011 Lucc。发现桑迪土地和灌木丛患有最严重的土壤侵蚀，因此应该是未来保护工作的重点。预计陡坡（即25°）在2000-2011 Lucc下增加陡坡的土壤侵蚀速率，这意味着仍然需要进一步的工作来研究土壤侵蚀过程及其对陡坡的保护。模型比较显示，对大多数区域（特别是陡坡）的质谱预测高于PESERE的预测，并且前者通常比后者更近，以检查坝沉积物收率测量。列出和PESERA结果没有线性相关，可能是由于其潜在原则的差异以及它们对关键参数的敏感性 - 对于坡度对坡梯度更敏感，而PESERE对植被覆盖率更敏感。 PESERA需要改进，更好地解释黄土高原上的陡坡侵蚀过程，而风险需要改善植被效应的描述。还2019年John Wiley＆amp; SONS，LTD。</ p> </摘要> </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>2020年第3期</span><b style="margin: 0 2px;">|</b><span>共16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 Pengfei&option=202" target="_blank" rel="nofollow">Li Pengfei;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zang Yuzhe&option=202" target="_blank" rel="nofollow">Zang Yuzhe;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Ma Doudou&option=202" target="_blank" rel="nofollow">Ma Doudou;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Yao Wanqiang&option=202" target="_blank" rel="nofollow">Yao Wanqiang;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Holden Joseph&option=202" target="_blank" rel="nofollow">Holden Joseph;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Irvine Brian&option=202" target="_blank" rel="nofollow">Irvine Brian;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Zhao Guangju&option=202" target="_blank" rel="nofollow">Zhao Guangju;</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 GeomaticsXi'an University of Science and TechnologyXi'an China;</p> <p>College of GeomaticsXi'an University of Science and TechnologyXi'an China;</p> <p>College of GeomaticsXi'an University of Science and TechnologyXi'an China;</p> <p>College of GeomaticsXi'an University of Science and TechnologyXi'an China;</p> <p>water@leeds School of GeographyUniversity of LeedsLeeds UK;</p> <p>water@leeds School of GeographyUniversity of LeedsLeeds UK;</p> <p>State Key Laboratory of Soil Erosion and Dryland Farming on Loess PlateauNorthwest A&</p> <p>F UniversityYangling 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=dryland&option=203" rel="nofollow">dryland;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=land degradation&option=203" rel="nofollow">land degradation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=erosion&option=203" rel="nofollow">erosion;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=soil conservation&option=203" rel="nofollow">soil conservation;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=multi‐model assessment&option=203" rel="nofollow">multi‐model assessment;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=model comparison&option=203" rel="nofollow">model comparison;</a> </p> <div class="translation"> 机译：旱地;土地退化;侵蚀;水土保持;多模型评估;模型比较; </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/0704023138972.html">Soil erosion rates assessed by RUSLE and PESERA for a Chinese Loess Plateau catchment under land‐cover changes</a> <b>[J]</b> . <span> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Li Pengfei&option=202" target="_blank" rel="nofollow" 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