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Flow Characteristics in Small Northe...

Baki, Abul Basar Mohammad.

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Flow Characteristics in Small Northern Streams and Nature-like Fishpasses.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Flow Characteristics in Small Northern Streams and Nature-like Fishpasses./
作者:	Baki, Abul Basar Mohammad.
面頁冊數:	294 p.
附註:	Source: Dissertation Abstracts International, Volume: 75-06(E), Section: B.
Contained By:	Dissertation Abstracts International75-06B(E).
標題:	Environmental engineering. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NS27775
ISBN:	9780499277756

Flow Characteristics in Small Northern Streams and Nature-like Fishpasses.
Baki, Abul Basar Mohammad.

Flow Characteristics in Small Northern Streams and Nature-like Fishpasses. - 294 p.

Source: Dissertation Abstracts International, Volume: 75-06(E), Section: B.

Thesis (Ph.D.)--University of Alberta (Canada), 2013.

This item must not be sold to any third party vendors.

Increasingly, human activities for the societal development and quality of life can alter, disrupt or destroy aquatic habitat with varying degrees. The rising awareness and concern regarding such type of human activities on stream and riverine ecosystem have resulted in a movement towards habitat compensation to achieve no net loss in productive capacity of fish habitat. As part of a fish habitat compensation project, this thesis investigated detailed flow characteristics in small northern streams and in rock-ramp type nature-like fishpasses through field, laboratory, and numerical studies. The principal motivation for this study is to advance our understanding of flow characteristics in a rock-ramp fishpass to retrofit small streams for fish habitat connectivity and compensation.

ISBN: 9780499277756Subjects--Topical Terms:

548583
Environmental engineering.

Flow Characteristics in Small Northern Streams and Nature-like Fishpasses.
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245 1 0 $a Flow Characteristics in Small Northern Streams and Nature-like Fishpasses.
300 $a 294 p.
500 $a Source: Dissertation Abstracts International, Volume: 75-06(E), Section: B.
500 $a Adviser: David Z. Zhu.
502 $a Thesis (Ph.D.)--University of Alberta (Canada), 2013.
506 $a This item must not be sold to any third party vendors.
520 $a Increasingly, human activities for the societal development and quality of life can alter, disrupt or destroy aquatic habitat with varying degrees. The rising awareness and concern regarding such type of human activities on stream and riverine ecosystem have resulted in a movement towards habitat compensation to achieve no net loss in productive capacity of fish habitat. As part of a fish habitat compensation project, this thesis investigated detailed flow characteristics in small northern streams and in rock-ramp type nature-like fishpasses through field, laboratory, and numerical studies. The principal motivation for this study is to advance our understanding of flow characteristics in a rock-ramp fishpass to retrofit small streams for fish habitat connectivity and compensation.
520 $a First, the flow characteristics of a headwater stream as a fish migration corridor and the hydraulic characteristics of several headwater streams in the Northwest Territories of Canada were investigated. The analysis of stream hydrological or hydraulic flow characteristics demonstrated that some sections of the study stream for certain durations of the study period appeared to naturally provide suitable habitat for select stages of YOY (young-of-the-year) Arctic grayling, while other sections would require certain modifications and additional outlet flow arrangements. The study of hydraulic characteristics explored the nature of at-a-station hydraulic geometry and flow resistance in an unstudied geographic region of the Northwest Territories of Canada for the future habitat assessment and predictions.
520 $a Next, detailed mean and turbulence flow characteristics generated by a staggered arrangement of boulders in a rock-ramp nature-like fishpass were investigated experimentally. The results showed that this type of fishpass can produce adequate water depth and favorable flow velocity, turbulent intensity, and turbulent kinetic energy for suitable fish passage. Some general correlations were developed for predicting the mean and turbulence flow parameters in a rock-ramp fishpass as a function of normalized discharge and streamwise distance. Moreover, a flow resistance analysis based on basic concepts for wake-interference flow regime in this fishpass has resulted in a general equation for the average velocity.
520 $a Finally, a three-dimensional Computational Fluid Dynamics (CFD) solver was used to investigate the flow characteristics in a rock-ramp nature-like fishpass under different flow conditions and geometric variables. The model was validated with experimental data and a good agreement was achieved. The findings emanating from this numerical study optimized the design of rock-ramp fishpasses.
590 $a School code: 0351.
650 4 $a Environmental engineering. $3 548583
650 4 $a Water resources management. $3 794747
650 4 $a Aquatic sciences. $3 3174300
690 $a 0775
690 $a 0595
690 $a 0792
710 2 $a University of Alberta (Canada). $b Civil and Environmental Engineering. $3 3175893
773 0 $t Dissertation Abstracts International $g 75-06B(E).
790 $a 0351
791 $a Ph.D.
792 $a 2013
793 $a English
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=NS27775