城市滨水景观的视觉环境质量评价——以合肥市为例
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南京大学环境学院,污染控制与资源化研究国家重点实验室;安徽省水利水电勘测设计院,南京大学环境学院,污染控制与资源化研究国家重点实验室,安徽建筑工业学院艺术学院,中国环境管理干部学院生态系,南京大学环境学院,污染控制与资源化研究国家重点实验室

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国家水体污染控制与治理科技重大专项(2008ZX07101-004-05); 江苏省建设厅科技项目(JS2007JH18); 污染控制与资源化研究国家重点实验室自主研究课题; 国家自然科学基金(40976021); 江苏省自然科学基金(BK2011404)


Assessing the visual quality of urban waterfront landscapes:the case of Hefei, China
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State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University; Anhui Survey and Design Institute of Water,State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University,School of Art,Anhui University of Architechure,Department of Ecology,Environmental Management College of China,State Key Laboratory of Pollution Control and Resource Reuse,School of the Environment,Nanjing University

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    摘要:

    滨水景观是城市景观的重要组成部分,以合肥市为例评价城市滨水景观的视觉环境质量。综合"基于公众感知"和"基于专家/设计"的评价方法,选取22张滨水景观照片作为研究对象,评价这些滨水景观的视觉环境质量和各物理要素等级,对评价数据进行了相关和回归分析。评价结果表明环境质量得分较高的滨水景观比得分较低的滨水景观拥有更多的自然式驳岸和适当的园林小品。统计分析结果表明"有利的人工景观"、"驳岸类型"和"树群轮廓线"对滨水景观视觉环境质量有着非常显著的积极影响。另外,将研究结果与其他学者研究结论进行了对比分析,并对未来城市滨水景观的规划和管理提出一些建议。

    Abstract:

    Waterfront landscape is an important part of the urban landscape. In this study, the aim was to evaluate the visual quality of waterfront landscape in Hefei city. The visual quality assessment methodology was used through public perception-based and expert/design approaches. The former approach enables us to rank waterfront landscapes based on a survey of public preference; the latter weighs the contributions of the elements contained in the photo to its overall scenic beauty via correlation and regression analyses. In total, 165 photos were taken from 9 am to 5 pm on several sunny days in October 2010. Finally, the 22 photos were selected and used in the survey captured the most relevant features of waterfront landscapes. The valuators are college students who came from the subjects of art design, urban planning and garden design. 280 college students ranked these 22 selected photos from highest to lowest preference that we used a seven-point scale for each photo, with 7 being the highest score and 1 being the lowest score. Each photo was shown for ten seconds and repeated twice. Among the college students, 100 students who had rich experience in visual quality assessment scored the intensity of landscape attributes. Characterization of waterfront landscape attributes were described by 13 indicators and scored from 4 (highest) to 1 (lowest). The results indicated waterfront landscapes depicted in the "best" photos possessed more attractive qualities regarding the more nature-type revetment and the selection of human additions compared to those depicted in the "worst" photos. The perceived visual quality was positively influenced by, in decreasing order of importance, positive man-made elements, the type of waterfront revetment and tree group contour. To a lesser degree, type of vegetations, vegetation shape, color contrast and type of waterfronts had important influences on scenic beauty. The analysis results also showed there are linearly correlations among 13 landscape indicators. For instance, vegetation shape, the degree of wildness and the positive man-made elements showed to be significantly correlated with the type of vegetations. We also compared our results with others and analyzed their differences. Furthermore, we suggested the following steps for future urban waterfront landscape design and planning regarding perceived visual beauty: (1)The visual resources should be considered as health, aesthetic appreciation and well being to affect human beings; (2)Waterfront greening should change the current practice of the top-down approach and encourage more public participation; (3)Instead of concrete riverbanks, natural or seminatural revetment should be built in waterfront space; (4)We should value vividness, variety and distinctiveness of landscape more in landscape configuration design; (5) Native species and various plants should be chosen as much as possible and suitable garden ornaments (winding garden paths, sculptures and wooden pavilions, etc.) are also welcomed.

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姚玉敏,朱晓东,徐迎碧,杨海燕,孙翔.城市滨水景观的视觉环境质量评价——以合肥市为例.生态学报,2012,32(18):5836~5845

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