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学者姓名：蔡枫
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【目的】河口三角洲是陆海相互作用的敏感地带，也是人类活动最为频繁的地区，研究人类活动对河口三角洲演化的影响，一直以来都是国际沉积学的研究重点和热点。【方法】以福建闽江河口水下三角洲为研究对象，通过水动力模拟和表层沉积物粒度分析，探讨了闽江河口水下三角洲及周边海域现代沉积环境演化。【结果与结论】研究区河口内潮流以往复流为主，在口外海域逐渐转变为旋转流，水下三角洲地区流速大，外海流速较小；沉积物类型以砂、粉砂和砂质粉砂为主，平均粒径平均值分别为1.57Φ、6.78Φ和5.62Φ，并且由河口向口外陆架方向沉积物粗颗粒组分含量逐渐减少，细颗粒组分含量逐渐增大；沉积物输运趋势显示，在闽江河口水下三角洲内，沉积物输运呈现向东、东南和东北方向，在口外海域沉积物呈现朝东南和东北离岸方向，以及向西北朝岸方向输运；基于粒度组成、粒度参数及站位水深多元统计分析，综合地理位置、沉积物源和水动力条件，将研究区现代沉积环境划分为4个沉积区；通过探讨不同控制因素下的河口水下三角洲沉积环境差异，揭示了不同沉积区的沉积环境对人类活动的响应。该研究结果可为河口资源开发和生态环境保护提供科学依据。
Keyword ：
水下三角洲 水下三角洲 沉积物输运趋势 沉积物输运趋势 沉积环境 沉积环境 粒度参数 粒度参数 闽江河口 闽江河口
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| GB/T 7714 | 谢津剑 , 王爱军 , 叶翔 et al. 闽江河口水下三角洲及周边海域现代沉积环境演化及其对人类活动的响应 [J]. | 沉积学报 , 2024 , 42 (02) : 558-574 . |
| MLA | 谢津剑 et al. "闽江河口水下三角洲及周边海域现代沉积环境演化及其对人类活动的响应" . | 沉积学报 42 . 02 (2024) : 558-574 . |
| APA | 谢津剑 , 王爱军 , 叶翔 , 陶舒琴 , 蔡枫 . 闽江河口水下三角洲及周边海域现代沉积环境演化及其对人类活动的响应 . | 沉积学报 , 2024 , 42 (02) , 558-574 . |
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Vegetation patches constitute the foundational elements of river dynamic systems, often forming communities within channels. This study examines how the interaction between neighboring vegetation patches influences flow structure. A pair of adjacent vegetation patches, constructed from staggered rigid cylinders with varying densities, is used in the experiments. The findings indicate significant differences in flow structure when water traverses these adjacent patches compared to an isolated patch. Hence, a flow structure partition for adjacent patches is proposed, including an upstream adjustment region, a vegetation interior region, a shear layers region, and a wake merger region. The upstream adjustment length indicates the distance upstream from the obstruction where velocity starts to deviate from its far upstream value. This reduction in velocity is pronounced in denser patches, although the upstream adjustment length remains unaffected by vegetation density. The velocity at the centerline of each patch significantly decreases, whereas the velocity between the patches increases rapidly, a characteristic of the vegetation interior region. The reduction in individual patch velocity is again observed in denser patches. In the downstream area, the shear layers region extends from the trailing edge of the patches to the point of minimal velocity behind each isolated patch. With increasing vegetation density, the smallest velocity approaches zero, while the length of the shear layers region, denoted as L1, initially decreases before stabilizing. The highest velocity on the centerline between the patches occurs near the trailing edge, with the lowest velocity observed at a distance (x/D=Lm) from the trailing edge. As vegetation density increases, the maximum velocity on the centerline between the patches rises, but the minimum velocity and Lm decrease. The difference (Lm–L1) defines the length of the wake merger region; here, the centerline velocity of each patch increases and aligns with the velocity on the centerline between the patches, causing the wakes directly behind each patch to merge into a single, larger entity. In addition, the formulas for the exit velocity, steady wake velocity, and minimum centerline velocity of the two patches are presented. © 2024 Sichuan University. All rights reserved.
Keyword ：
Flow structure Flow structure Flow velocity Flow velocity Mergers and acquisitions Mergers and acquisitions Merging Merging Rivers Rivers Shear flow Shear flow Vegetation Vegetation Wakes Wakes
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| GB/T 7714 | Jiang, Beihan , Yang, Yang , Cai, Feng et al. Influence of Neighboring Vegetation Patches on Flow Structure Characteristics with Different Densities [J]. | Advanced Engineering Sciences , 2024 , 56 (3) : 189-196 . |
| MLA | Jiang, Beihan et al. "Influence of Neighboring Vegetation Patches on Flow Structure Characteristics with Different Densities" . | Advanced Engineering Sciences 56 . 3 (2024) : 189-196 . |
| APA | Jiang, Beihan , Yang, Yang , Cai, Feng , Hu, Zhaoyang , Yue, Yichao . Influence of Neighboring Vegetation Patches on Flow Structure Characteristics with Different Densities . | Advanced Engineering Sciences , 2024 , 56 (3) , 189-196 . |
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植被群是河流动力系统的基本组成要素，通常成群存在于河道中，相邻植被群之间相互作用，对河道水流结构产生影响。本文采用均匀圆柱体木棍模拟刚性植株，交错排列组成疏密不同的圆形植被群，并排布置于水槽中，研究不同密度下相邻植被群的水流结构特性。试验结果表明：与单一植被群相比，水流流经并排植被群时，其结构呈现不一样的特点，据此提出相邻植被群的水流结构纵向发展分区：上游调整区、内部调整区、内外剪切层发展区、尾流融合区以及流速恢复区。流速自植被群上游某一断面开始减小，并一直持续至植被群前端，流速减幅随植被群密度增大而增大，此区域为上游调整区；植被群密度对上游调整区长度无显著影响。流经植被区时，单植中心线流速进一步减小，两植中心线流速迅速增加，此区域为内部调整区；该区域内植被群密度越大，单植中心线流速减幅越大。植被群下游，单植中心线流速自植被群末端沿程减小，直至产生流速最小值，此区域为内外剪切层发展区；单植中心线最小流速随植被群密度增大而减小并趋于0，内外剪切层发展长度L_1随植被群密度增大先减小后趋于稳定。两植中心线流速在植被群末端出现最大值，随后沿程减小，在距离植被群末端L_m处出现最小值，植被群密度越大，两植中心线最大流速越大，两植中心线最小流速及L_m越小。定义（L_m–L_1）为尾流融合区，此区域内单植中心线流速沿程增加，在L_m处与两植中心线流速相等，此时两个外剪切层相遇，左右植被群尾流在横向掺混的作用下，融合成一个大的尾流结构。本文还提出了出流流速、最小尾流流速及两植中心线最小流速的计算公式。
Keyword ：
尾流 尾流 植被密度 植被密度 水流结构发展 水流结构发展 流速 流速 相邻植被群 相邻植被群
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| GB/T 7714 | 蒋北寒 , 杨洋 , 蔡枫 et al. 不同密度下相邻植被群的水流结构发展特性 [J]. | 工程科学与技术 , 2024 , 56 (03) : 189-196 . |
| MLA | 蒋北寒 et al. "不同密度下相邻植被群的水流结构发展特性" . | 工程科学与技术 56 . 03 (2024) : 189-196 . |
| APA | 蒋北寒 , 杨洋 , 蔡枫 , 胡朝阳 , 岳逸超 . 不同密度下相邻植被群的水流结构发展特性 . | 工程科学与技术 , 2024 , 56 (03) , 189-196 . |
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This study aimed to effectively evaluate the ecological restoration of the river reach where a small hydropower station was retired or renovated. An ecological health index system was constructed based on the environmental characteristics of the upstream and downstream of the small hydropower station after its retirement and renovation. Based on the combination weighting concept of game theory, the combination weights were obtained by the comprehensive analytic hierarchy process (subjective weight) and entropy method (objective weight). This ecological health assessment with fuzzy comprehensive evaluation was applied to assess the health status of Shimen (dam removal) and Changqiao (renovation in ecological flow) reaches of the Tufang River in Changting County, China. The results showed that the ecological health assessment index system proposed in this study was comprehensive and reasonable, and the revision degree of the hydropower station obviously influenced the process of ecological river restoration. The findings from this study would benefit for the rational utilization of water resources and the river ecological health maintenance in mountainous areas.
Keyword ：
combined weight combined weight entropy method entropy method fuzzy evaluation fuzzy evaluation game theory game theory retirement and renovation retirement and renovation river health river health small hydropower stations small hydropower stations
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| GB/T 7714 | Cai, Feng , Hu, Zhinan , Jiang, Beihan et al. Ecological Health Assessment with the Combination Weight Method for the River Reach after the Retirement and Renovation of Small Hydropower Stations [J]. | WATER , 2023 , 15 (2) . |
| MLA | Cai, Feng et al. "Ecological Health Assessment with the Combination Weight Method for the River Reach after the Retirement and Renovation of Small Hydropower Stations" . | WATER 15 . 2 (2023) . |
| APA | Cai, Feng , Hu, Zhinan , Jiang, Beihan , Ruan, Weifang , Cai, Shujuan , Zou, Huiling . Ecological Health Assessment with the Combination Weight Method for the River Reach after the Retirement and Renovation of Small Hydropower Stations . | WATER , 2023 , 15 (2) . |
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本实用新型涉及一种景观水体检测净化装置，包括进水管道、主管道和出水管道；所述主管道与所述进水管道相连，所述进水管道端口设有过滤挡板，所述主管道依次旁接有取样管道、返排管道、净化管道、回流管道，所述取样管道与所述返排管道之间连接有检测模块，所述净化管道和所述回流管道之间连接有净化模块，所述主管道与所述出水管道之间连接有曝气模块。该景观水体检测净化装置结构简单、运行成本低、管理方便、易于控制、维护简便，可以对水体进行实时在线取样并检测，减少工作人员参与度，可以节省人力物力，提高净化效率。
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| GB/T 7714 | 蔡枫 , 孙浩岩 , 唐萍 et al. 一种景观水体检测净化装置 : CN202320609298.0[P]. | 2023-03-25 00:00:00 . |
| MLA | 蔡枫 et al. "一种景观水体检测净化装置" : CN202320609298.0. | 2023-03-25 00:00:00 . |
| APA | 蔡枫 , 孙浩岩 , 唐萍 , 郑利涛 , 钟书豪 , 李灏 . 一种景观水体检测净化装置 : CN202320609298.0. | 2023-03-25 00:00:00 . |
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As a "marine ecological engineer", the oyster reefs not only perform important ecological functions, but also reduce the damage caused by waves to protective structures such as seawalls. However, oyster reefs in shallow water change the nonlinear characteristics of waves and affect sediment transport and coastal evolution. Based on Fourier spectrum and analysis of Wavelet Transform, the influence of artificial bag oyster reefs on the energy and nonlinear phase coupling of irregular waves are studied through physical experiment. The results show that oyster reefs have a substantial effect on the energy of primary harmonic, which transfer to higher harmonics through triad interactions, and a considerable reduction in primary harmonic energy and an increase in higher harmonics energy are reflected in the energy spectra. The transmission spectrum behind the oyster reefs shows three peaks at primary, secondary and third harmonics. The bicoherence spectrum indicates that the peaks at secondary and third harmonics mainly result from the self-coupling of the primary harmonics and phase coupling between the primary and secondary harmonics respectively. As the water depth increases, the degree of nonlinear coupling between wave components decreases, which leads to the energy of wave components at different frequencies increases. With increasing top width, the length of the shoaling region increases, and the growth of triad nonlinear interactions are observed in wavelet-based bicoherence spectra, resulting in the spectral peak energy decreasing while the secondary harmonics energy increasing in the spectrum. Finally, the potential application of an ecological system composed by "oyster reefs + mangroves" is discussed. As the effect of water depth on wave energy is much greater than that of top width, in artificial oyster reef construction, it is recommended that keep the oyster reefs non-submerged in terms of wave dissipation. Further studies should take the dynamic growth effect of oyster reefs into account.
Keyword ：
nonlinear triad interaction nonlinear triad interaction oyster reef oyster reef spectrum analysis spectrum analysis wave energy wave energy wavelet bicoherence wavelet bicoherence
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| GB/T 7714 | Jiang, Beihan , Zhang, Hui , You, Tuofu et al. Experimental study on the effect of an oyster reef on the nonlinear characteristics of irregular waves [J]. | FRONTIERS IN MARINE SCIENCE , 2022 , 9 . |
| MLA | Jiang, Beihan et al. "Experimental study on the effect of an oyster reef on the nonlinear characteristics of irregular waves" . | FRONTIERS IN MARINE SCIENCE 9 (2022) . |
| APA | Jiang, Beihan , Zhang, Hui , You, Tuofu , Sun, Yuanmin , Fu, Chenming , Liao, Weijie et al. Experimental study on the effect of an oyster reef on the nonlinear characteristics of irregular waves . | FRONTIERS IN MARINE SCIENCE , 2022 , 9 . |
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Integrated water resource scheduling is a key strategy for controlling river floods as well as for promoting the benefits and abolishing the harmful aspects of water conservancy projects. It is necessary to explore an effective development mode to address the current issues of long development times and poor outcomes for integrated water resource scheduling models. Drawing on the concept of software reuse, a development mode for an integrated water resource scheduling model is offered based on "platform system + model plug-in", the cores of which are plug-in modules and interface integration. The boundaries and connection relations of each plug-in module are formed based on the logical analysis of the model plug-in. A web application mode is used to implement a standardized interface, which can be quickly and seamlessly connected to the system platform. The model is explored and applied in the Wudu diversion and irrigation area in China. The generated model is eventually verified using data obtained from two flood periods. According to the simulation results, the gate operation will be convenient, and the target water level will be attained in the allocated time with a satisfactory peak-clipping effect. It shows both good coordination and great utilization value of the plug-in modules. The concept of designing a plug-in database is eventually taken into consideration for combining and generating an optimization model of each river.
Keyword ：
integrated water resource scheduling integrated water resource scheduling interface encapsulation interface encapsulation model application platform model application platform model plug-in model plug-in Wudu diversion and irrigation area Wudu diversion and irrigation area
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| GB/T 7714 | Jiang, Beihan , Pan, Long , Qin, Genquan et al. Development of an Integrated Water Resource Scheduling Model Based on Platform Plug-In: A Case Study of the Wudu Diversion and Irrigation Area, China [J]. | WATER , 2022 , 14 (22) . |
| MLA | Jiang, Beihan et al. "Development of an Integrated Water Resource Scheduling Model Based on Platform Plug-In: A Case Study of the Wudu Diversion and Irrigation Area, China" . | WATER 14 . 22 (2022) . |
| APA | Jiang, Beihan , Pan, Long , Qin, Genquan , Su, Xiaolin , Cai, Feng , Liang, Yue . Development of an Integrated Water Resource Scheduling Model Based on Platform Plug-In: A Case Study of the Wudu Diversion and Irrigation Area, China . | WATER , 2022 , 14 (22) . |
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本实用新型公开了多级式生态修复坝，包括：橡胶坝，跨设于河道的上游区，且河道的两侧为河岸；人工湿地单元，设置于河岸远离河道的一侧；土沙石岸基潜流层，设置在河道底部两侧，且用于连通河道和人工湿地单元，本实用新型解决了现有具有净水功能生态坝坝前容易淤积，且不能够灵活应对河道水位变化的技术问题，是一种能够实现同时满足下泄生态流量、多级净化水质等多功能的多级式生态修复坝。
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| GB/T 7714 | 蔡枫 , 胡至楠 , 花阳 et al. 多级式生态修复坝 : CN202120741595.1[P]. | 2021-04-13 . |
| MLA | 蔡枫 et al. "多级式生态修复坝" : CN202120741595.1. | 2021-04-13 . |
| APA | 蔡枫 , 胡至楠 , 花阳 , 邹会玲 , 张文东 . 多级式生态修复坝 : CN202120741595.1. | 2021-04-13 . |
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本实用新型提供一种复合型生态水坝，包括上窄下宽的梯形坝体以及位于梯形坝体侧部且靠近梯形坝体岸边背水一侧设置的生态鱼道，所述梯形坝体与生态鱼道之间设置有矩形连通池，所述生态鱼道内部沿水流方向设置有多个高度依次递减的隔板，用以形成多个鱼道池室，最靠近生态鱼道出口的两个鱼道池室内壁均设置有与矩形连通池连通的开孔，最靠近生态鱼道出口的鱼道池室内的开孔高度高于另一开孔。本实用新型设计合理，构造简单，是一种能够同时满足灌溉、鱼类洄游、生态流量下泄的复合型生态水坝。
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| GB/T 7714 | 蔡枫 , 胡至楠 , 林瑜 et al. 一种复合型生态水坝 : CN202120761612.8[P]. | 2021-04-14 . |
| MLA | 蔡枫 et al. "一种复合型生态水坝" : CN202120761612.8. | 2021-04-14 . |
| APA | 蔡枫 , 胡至楠 , 林瑜 , 孙萱茹 . 一种复合型生态水坝 : CN202120761612.8. | 2021-04-14 . |
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在水热条件下合成了一种结构新颖的具有一维链状结构的配合物[Cd0.5(2,2''-bipy)0.5 (C2O4)Cd(2,2,-bipy)Cl]n1,经X-ray单晶结构分析可知,配合物1是一个双核镉的二聚物,属于单斜晶系,C2/c空间群.在ac面上,Cd1和Cd2通过草酸根和氯原子桥连形成一维链,链与链之间存在着氢键弱作用力.在对配合物1结构分析的基础之上,并对它的红外光谱,荧光光谱,X射线粉末衍射进行了研究和讨论.
Keyword ：
光谱分析 光谱分析 晶体结构 晶体结构 水热合成 水热合成 配位聚合物 配位聚合物
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| GB/T 7714 | CAI Feng , 柴凤 , XIA Ze-min et al. 一个Cd(Ⅱ)配位聚合物的合成、晶体结构和谱学研究 [C] //第十七届全国分子光谱学学术会议论文集 . 2012 : 71-72 . |
| MLA | CAI Feng et al. "一个Cd(Ⅱ)配位聚合物的合成、晶体结构和谱学研究" 第十七届全国分子光谱学学术会议论文集 . (2012) : 71-72 . |
| APA | CAI Feng , 柴凤 , XIA Ze-min , 夏则民 , GE Su-zhi , 葛素志 et al. 一个Cd(Ⅱ)配位聚合物的合成、晶体结构和谱学研究 第十七届全国分子光谱学学术会议论文集 . (2012) : 71-72 . |
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