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Dyanamic And Static Characterization Of The Planimetry Of The Ucayali River, Peru

Dauer, Kristin (2015) Dyanamic And Static Characterization Of The Planimetry Of The Ucayali River, Peru. Master's Thesis, University of Pittsburgh. (Unpublished)

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The Ucayali River, one of the largest rivers in the Peruvian Amazon, is one of the most dynamic rivers in the region. The Upper Ucayali River is a single-thread, meandering river, while the Lower Ucayali has multiple threads. Before being able to answer complex questions such as if the planform characteristics of Ucayali River are affected by climate change or land use change, the river itself needs to be characterized. The river can be characterized both in terms of the planform and morphometrics. I have developed a toolbox to facilitate the calculation of static planform statistics on meandering rivers, and have calculated some basic parameters of a reach of the Ucayali, including wavelength, amplitude, and orientation of bends. In order to understand the morphodynamic processes on the Lower Ucayali River, which has multiple threads, I have conducted a case study of one reach where two cutoffs have occurred in recent years, and where a third may soon happen. The study includes a temporal analysis using satellite imagery, hydrodynamic and morphodynamic field measurements and a two-dimensional Reynolds Average Navier Stokes (RANS) model, in order to predict how and when the cutoff may occur.


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Item Type: University of Pittsburgh ETD
Status: Unpublished
CreatorsEmailPitt UsernameORCID
Dauer, Kristinkrd33@pitt.eduKRD33
ETD Committee:
TitleMemberEmail AddressPitt UsernameORCID
Thesis AdvisorAbad, Jorgejabad@pitt.eduJABAD
Committee MemberBain, Danieldbain@pitt.eduDBAIN
Committee MemberLiang, Xuxuliang@pitt.eduXULIANG
Date: 4 June 2015
Date Type: Publication
Defense Date: 11 December 2014
Approval Date: 4 June 2015
Submission Date: 23 March 2015
Access Restriction: 2 year -- Restrict access to University of Pittsburgh for a period of 2 years.
Number of Pages: 46
Institution: University of Pittsburgh
Schools and Programs: Swanson School of Engineering > Civil and Environmental Engineering
Degree: MS - Master of Science
Thesis Type: Master's Thesis
Refereed: Yes
Uncontrolled Keywords: river morphology, Ucayali River, cutoff, planform characteristics, meandering river, Amazon Basin
Date Deposited: 04 Jun 2015 13:59
Last Modified: 04 Jun 2017 05:15


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