Wood export prediction at the watershed scale

机译：流域鳞片的木材出口预测

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Abstract > Wood export from a watershed is a function of peak annual discharge, but one hydrologic relationship alone does not fully explain observed variability. Consideration of physical processes that influence the amount of wood available for transport is needed. However, wood recruitment, storage, mobilization, breakage, and transport rates and processes remain difficult to quantify. A theoretical wood transport equation focused on variations in discharge was the motivation for investigation into watershed‐specific wood export rates. Herein, multiplicative coefficients categorized by water year type are developed, paired with the equation, and validated to provide a new method for prediction of wood export at the watershed scale. The coefficients are defined as representing a broad suite of watershed processes that encompass spatio‐temporally variable scales. Two complementary datasets from the 1097?km 2 mountainous North Yuba River, California watershed were used. Wood surveys above New Bullards Bar Reservoir yielded a wood availability estimate of 250 000–300 000?m 3 along the channel network. Annual wood export into the reservoir was field‐surveyed in 2010, 2012 and 2013, and estimated in seven years via remotely sensed images over the 30?year study period of water years 1985–2014. Empirical, watershed‐scale wood export rates ranged from 0.3–5.6%. Comparison of predicted quantities using the new DVWP (discharge variations modified by watershed processes) wood export equation to observed wood export quantities resulted in an aggregate error rate of type="mathematics">± 10%. When individual wood export quantities were compared, predicted to observed varied by 0.5–3.0 times. Total wood export of 59 000–71 000?m 3 was estimated over the 30?year period, yielding a rate of 1.8 to 2.2?m 3 /year/km 2 . Wood export predictive capabilities at the watershed scale may help water resource and regulatory agencies plan for wood transfers to augment downstream ecosystems. 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”xml：lang =“en”> <title type =“main”>抽象</ title> > Wood Export来自流域是年下峰值的函数，但单独的一种水文关系并没有完全解释观察到的可变性。考虑影响可用于运输的木材量的物理过程。然而，木材招募，储存，动员，破损和运输速率和过程仍然难以量化。一种重点放电变化的理论木运输方程是调查流域特异性木材出口率的动机。这里，由水年型分类的乘法系数被开发，与等式配对，并验证以提供一种新方法，用于预测流域规模的木材出口。系数被定义为代表广泛的流域进程，包括涵盖时空变量尺度。使用了来自1097年的两种互补数据集，来自加州流域的1097 km 2 </ sup>山区北yuba河。新的磁盘储物储存器上方的木材调查产生了沿着通道网络的250 000-300 000？M <SUP> 3 </ SUP>的木材可用性估计。 2010年，2012年和2013年，2012年和2013年的现场木材出口将在2010年，2012年和2013年估计，通过30年来的30岁以下的速度感测到左上感测量的图像。经验，流域级木材出口率从0.3-5.6％范围。使用新的DVWP预测量的比较（流域过程修改的放电变化）木材出口方程观察到木材出口量导致<跨度型=“数学”>±</跨度> 10％的总误差率。当比较各个木材出口量时，预计观察到不同的0.5-3.0倍。在30年期间估计了59 000-71 000？M <SUP> 3 </ SUP>的总工厂，从而产生1.8至2.2？m 3 </ sup> /年/ km < sup> 2 </ sup>。流域规模的木材出口预测能力可能有助于水资源和监管机构的木材转移计划，以增加下游生态系统。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14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=Senter Anne&option=202" target="_blank" rel="nofollow">Senter Anne;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Pasternack Gregory&option=202" target="_blank" rel="nofollow">Pasternack Gregory;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Piégay Hervé&option=202" target="_blank" rel="nofollow">Piégay Hervé;</a> <a href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Vaughan Matthew&option=202" target="_blank" rel="nofollow">Vaughan Matthew;</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>Department of Land Air and Water ResourcesUniversity of California at DavisDavis CA 95616 USA;</p> <p>Department of Land Air and Water ResourcesUniversity of California at DavisDavis CA 95616 USA;</p> <p>University of Lyon CNRS UMR 5600 ‐ Environnement Ville Société Site ENS of LyonFrance;</p> <p>Department of Land Air and Water ResourcesUniversity of California at DavisDavis CA 95616 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=wood export&option=203" rel="nofollow">wood export;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wood transport&option=203" rel="nofollow">wood transport;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wood storage&option=203" rel="nofollow">wood storage;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=wood availability&option=203" rel="nofollow">wood availability;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=watershed processes&option=203" rel="nofollow">watershed processes;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=reservoir management&option=203" rel="nofollow">reservoir management;</a> <a style="color: #3E7FEB;" href="/search.html?doctypes=4_5_6_1-0_4-0_1_2_3_7_9&sertext=Sierra Nevada&option=203" rel="nofollow">Sierra Nevada;</a> </p> <div class="translation"> 机译：木材出口;木材运输;木材储存;木材可用性;流域流程;水库管理;塞拉尼达达; 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