Considerations for Dam Removal in Ice-Affected Rivers. Ice Engineering. Number 27, January 2001

• Main Author: White, Kathleen D.
• Other Authors: COLD REGIONS RESEARCH AND ENGINEERING LAB HANOVER NH
• Format: Text
• Language: English
• Published: 2001
• Subjects: Ecology; Snow; Ice and Permafrost; Civil Engineering; *REMOVAL; *WATER FLOW; *ICE FORMATION; *ECOLOGY; *DAMS; REQUIREMENTS; ENVIRONMENTS; IMPACT; COSTS; ENGINEERING; ICE; SAFETY; ELECTRIC POWER; RIVERS; PONDS; FLOOD CONTROL; HYDROELECTRICITY; ICE JAMS; Ice; permafrost
• Online Access: http://www.dtic.mil/docs/citations/ADA407415; http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA407415

During the past several hundred years, many dams have been built in the United States to meet the power, water supply, flood control, and recreational needs of a variety of users. The National Research Council estimates that there are about 2.5 million dams in the United States, ranging from small farm pond dams to large hydropower dams (NRC 1992). Recently, increased awareness of the ecological, recreational, economic, and safety issues associated with dams has led to a reevaluation of the continuing existence of a number of dams. American Rivers et al. (1999) identified 467 dam removals in 43 states since 1912, with most removals in the latter part of that century (92 in the 198Os and 177 in the 199Os). Remediation or mifigafion of ecological impacts are cited as the primary cause for many recent dam removals. Dam safety concerns and the costs associated with rehabilitation to meet dam safety criteria or environmental requirements also lead to dam removal. The original document contains color images.