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首页> 外文期刊>Environment and Ecology Research >River-valleys and the Challenges in Hitherto Implemented Projects – A Case Study: Tehran's Seven River-valleys and the Three Linear Parks
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River-valleys and the Challenges in Hitherto Implemented Projects – A Case Study: Tehran's Seven River-valleys and the Three Linear Parks

机译：河谷与迄今已实施项目的挑战-案例研究：德黑兰的七个河谷和三个线性公园

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One of the key challenges in studying the human-nature relationship in urban contexts worldwide is the current issues in hitherto implemented projects. The term ‘issues' here refers to the needs, potentials and problems of the two spheres of citizens and the city's natural structures. Investigating the present issues in implemented projects reveals how people perceive and subsequently interact with the nature in cities at the present time. This paper aims to open up a research platform in order to revive, improve and strengthen the human- nature interaction in current and future projects. To this end, Tehran and its seven river-valleys have been selected as the case study for this research. Three linear parks and four mountainous recreational areas are the principal projects that have been implemented along specific lengths of some of the seven main river-valleys in Tehran. This paper focuses mainly on the interaction of Tehranian residents with the natural structures of the river-valleys in the three implemented linear parks. The applied methodology consists of a literature review, followed by related analysis and direct observation. The findings are categorised into seven sections: dealing with height differences and a definition of the horizontal layers; physical perceptions of the river; physical perceptions of the height difference; bridges over the river; facilities; lighting; and accessibility and parking spaces. As the main conclusion, this paper will introduce the design and planning strategies and objectives that could improve the possibility and quality of the human-nature interaction in current and future linear parks in the river-valleys of Tehran.
机译：在世界范围内研究城市环境下人与自然关系的主要挑战之一是迄今为止已实施项目中的当前问题。这里的“问题”一词是指公民和城市自然结构这两个领域的需求，潜力和问题。对已实施项目中的当前问题进行调查，揭示了人们如何感知并随后与城市中的自然互动。本文旨在开放一个研究平台，以复兴，改善和加强当前和未来项目中的人与自然互动。为此，德黑兰及其七个河谷被选为该研究的案例研究。三个线性公园和四个山区休闲区是沿着德黑兰七个主要河谷中的某些特定河段的特定长度实施的主要项目。本文主要关注德黑兰居民与三个已实施线性公园中河谷自然结构的相互作用。应用的方法包括文献综述，然后进行相关分析和直接观察。调查结果分为七个部分：处理高度差异和定义水平层;以及对河流的物理感知;对身高差异的物理感知;河上的桥;设备;灯光;和无障碍设施和停车位。作为主要结论，本文将介绍可提高德黑兰河谷当前和未来线性公园中人与自然相互作用的可能性和质量的设计和规划策略及目标。

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