Text / Interpretation and Analysis of Bed-Surface Changes Using Digital Elevation Models - POSTER

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Title: Interpretation and Analysis of Bed-Surface Changes Using Digital Elevation Models - POSTER
Creator: Katie Trifone, Chuck Podolak, Dr. Peter Wilcock
Date Created and/or Issued: 2008
Contributing Institution: UC Riverside, Library, Water Resources Collections and Archives
Collection: Clearinghouse for Dam Removal Information (CDRI)
Rights Information: Copyrighted
Transmission or reproduction of materials protected by copyright beyond that allowed by fair use requires the written permission of the copyright owners. Works not in the public domain cannot be commercially exploited without permission of the copyright owner. Responsibility for any use rests exclusively with the user.
Description: Scope/Content: Abstract: In 2007 the Marmot Dam was removed. There is very little known on the effects of downstream changes in bed-surface after a dam has been removed. Graduate student Chuck Podolak, Johns Hopkins University, is researching the changes that have and will occur along the Sandy River, OR after the removal of the Marmot dam. Objective: The goal of my project is to interpret what happened on the river during a year with normal activity and during a year with a flood event. Research Area: Research was conducted on three reaches along the river, reach A1, reach A2, and reach B. Purpose: My research will provide a base line that can be used by Chuck if needed. Elevations taken from 2005 to 2007 will provide an idea of the changes occurring in the Sandy River with the dam still present. On November 17, 2006, there was a large storm event with 29 inches of rainfall during the entire event and produced turbid water. This event will allow the opportunity to observe how the river changes.
Scope/Content: Dam type: concrete
Scope/Content: Height: 30 feet. Length: 4690 feet.
Scope/Content: Date constructed: 1913. Date removed: 2007.
Type: text
Identifier: ark:/86086/n2cf9prd
1225
Language: eng
Subject: Pre- and post-project monitoring
Sediment and channel dynamics
Dams
Dam retirement
Place: Sandy River, OR
Marmot Dam

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