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Author : Anonim
Publisher : Unknown
Page : 128 pages
File Size : 49,8 Mb
Release : 1984
Category : Electronic
ISBN : OCLC:313505289
Author : United States. Army. Corps of Engineers. Portland District
Publisher : Unknown
Page : 128 pages
File Size : 45,8 Mb
Release : 1984
Category : Flood control
ISBN : OCLC:823191172
Author : Anonim
Publisher : Unknown
Page : 590 pages
File Size : 52,8 Mb
Release : 1984
Category : Dredging
ISBN : UCR:31210018960201
Author : Anonim
Publisher : Unknown
Page : 482 pages
File Size : 44,7 Mb
Release : 1984
Category : Environmental impact statements
ISBN : UCR:31210018960144
Author : Anonim
Publisher : Unknown
Page : 486 pages
File Size : 54,7 Mb
Release : 1985
Category : Electronic
ISBN : NWU:35556031028392
Author : Anonim
Publisher : Unknown
Page : 564 pages
File Size : 55,7 Mb
Release : 1985
Category : Electronic
ISBN : NWU:35556031028426
Author : Connie Manson,Carol H. Messick,Gertrude M. Sinnott
Publisher : Unknown
Page : 420 pages
File Size : 55,9 Mb
Release : 1987
Category : Geology
ISBN : UCSD:31822008731846
Author : Anonim
Publisher : Unknown
Page : 484 pages
File Size : 54,5 Mb
Release : 1985
Category : Environmental impact analysis
ISBN : MINN:31951P00482719G
Author : Anonim
Publisher : Unknown
Page : 486 pages
File Size : 52,8 Mb
Release : 1985
Category : Electronic
ISBN : NWU:35556030580252
Author : National Academies of Sciences, Engineering, and Medicine,Division of Behavioral and Social Sciences and Education,Board on Environmental Change and Society,Division on Earth and Life Studies,Water Science and Technology Board,Board on Earth Sciences and Resources,Committee on Geological and Geotechnical Engineering,Committee on Long-Term Management of the Spirit Lake/Toutle River System in Southwest Washington
Publisher : National Academies Press
Page : 337 pages
File Size : 40,7 Mb
Release : 2018-04-29
Category : Nature
ISBN : 9780309464444
The 1980 eruption of Mount St. Helens in southwest Washington State radically changed the physical and socio-economic landscapes of the region. The eruption destroyed the summit of the volcano, sending large amounts of debris into the North Fork Toutle River, and blocking the sole means of drainage from Spirit Lake 4 miles north of Mount St. Helens. As a result of the blockage, rising lake levels could cause failure of the debris blockage, putting the downstream population of approximately 50,000 at risk of catastrophic flooding and mud flows. Further, continued transport of sediment to the river from volcanic debris deposits surrounding the mountain reduces the flood carrying capacity of downstream river channels and leaves the population vulnerable to chronic flooding. The legacy of the 1980 eruption and the prospect of future volcanic, seismic, and flood events mean that risk management in the Spirit Lake Toutle River system will be challenging for decades to come. This report offers a decision framework to support the long-term management of risks related to the Spirit Lake and Toutle River system in light of the different regional economic, cultural, and social priorities, and the respective roles of federal, tribal, state, and local authorities, as well as other entities and groups in the region. It also considers the history and adequacy of characterization, monitoring, and management associated with the Spirit Lake debris blockage and outflow tunnel, other efforts to control transport of water and sediment from the 1980 and later eruptions, and suggests additional information needed to support implementation of the recommended decision framework.
Author : United States. Army. Corps of Engineers. Portland District
Publisher : Unknown
Page : 346 pages
File Size : 49,6 Mb
Release : 1985
Category : Flood control
ISBN : UCR:31210024874297
Author : Anonim
Publisher : Unknown
Page : 720 pages
File Size : 44,8 Mb
Release : 2001
Category : Sedimentation and deposition
ISBN : MINN:31951D02024684N
Author : Anonim
Publisher : Unknown
Page : 384 pages
File Size : 45,7 Mb
Release : 1998
Category : Electronic
ISBN : NWU:35556031002751
Author : United States. Congress. House. Committee on Appropriations. Subcommittee on Energy and Water Development
Publisher : Unknown
Page : 1056 pages
File Size : 43,6 Mb
Release : 1986
Category : Electronic
ISBN : UCAL:B4293053
Author : Anonim
Publisher : Unknown
Page : 458 pages
File Size : 49,7 Mb
Release : 1986
Category : Geological surveys
ISBN : UOM:39015048169893