NDLI: Ecological hydraulics radius model for estimating instream ecological water requirement: Theory

Content Provider	IEEE Xplore Digital Library
Author	Baohui Men
Copyright Year	2010
Description	Author affiliation: National Engineering Laboratory for Biomass Power Generation Equipment, Renewable Energy Institute, North China Electric Power University, Beijing, 102206, China (Baohui Men)
Abstract	based on summarizing the methods for calculating in-stream ecological water requirement, the conceptions of ecological flow velocity and ecological hydraulic radius are bring forward and decided, the ecological hydraulic radius model (EHRM) for estimating in-stream ecological water requirement is built up by taking account of the information of river course (e. g. hydraulic radius, roughness coefficient, hydraulic gradient slope) and ecological flow velocity for satisfying stream ecosystem to keep its some ecological function. The key parameter of EHRM is the channel cross-section area of ecological hydraulic radius corresponding, the paper discusses the calculating method about the relationship between differ regulation stream cross section, inartificial stream cross section and hydraulic radius, meanwhile, the application of EHRM for estimating in-stream ecological water requirement is discussed and explained, and the instream ecological water requirement by EHRM can adapt better the demand of fish for flow velocity.
Starting Page	3938
Ending Page	3942
File Size	243523
Page Count	5
File Format	PDF
ISBN	9781424459582
e-ISBN	9781424459612
DOI	10.1109/ICNC.2010.5584775
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-08-10
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	ecological flow velocity Ecosystems in-stream ecological water requirement stream cross section area Water pollution Rivers Marine animals Water resources ecological hydraulic radius
Content Type	Text
Resource Type	Article

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