A GEOMORPHOLOGICAL APPROACH TO THE IDENTIFICATION AND CLASSIFICATION OF INSTREAM FLOW ENVIRONMENTS
A GEOMORPHOLOGICAL APPROACH TO THE IDENTIFICATION AND CLASSIFICATION OF INSTREAM FLOW ENVIRONMENTS
复制标题
河流环境识别和分类的地貌方法
DOI：
10.1080/10183469.1994.9631349
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发表时间：
1994
期刊：
影响因子：
--
通讯作者：
R. Wadeson
中科院分区：
文献类型：
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作者：
R. Wadeson
摘要 本文强调了生态文献中有关流水（流水）环境分类的相当大的混乱。不同作者引入了大量定义不明确的术语；这些通常与更明确的地貌特征相关，但生态学家的使用更为宽松。本文强调了存在的一致性缺乏，并提出了一些建议，试图缓解普遍的混乱。在尝试提供更严格的分类的客观技术之前，需要检查物种群落存在的非生物环境（群落生境）与河流地貌学家（形态单位）识别的河道形态特征之间的关系。两者之间的联系是通过河流水流的水力学描述建立的。弗劳德数和雷诺数是水利工程师经常提到的两个无量纲值，在本文中使用...
Summary This paper highlights the considerable confusion that exists within the ecological literature concerning the classification of the lotic (flowing water) environments. A large number of ill defined terms has been introduced by various authors; these often relate to better defined geomorphological features, but are used more loosely by ecologists. This paper highlights the lack of consistency that exists and a number of recommendations are made in an attempt to alleviate the general confusion. Before attempting to provide an objective technique for a more rigorous classification, the relationships between the abiotic environment in which a community of species exists (biotope) and the channel form features recognised by fluvial geomorphologists (morphological unit) are examined. A link between the two is made through the description of the hydraulics of river flow. The Froude and Reynolds numbers are two dimensionless values frequently referred to by hydraulic engineers, and are used in this paper t...