Mount St Helens Washington Decision Document

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Mount St Helens Washington Decision Document

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Author : United States. Army. Corps of Engineers. Portland District
language : en
Publisher:
Release Date : 1985

Mount St Helens Washington Decision Document written by United States. Army. Corps of Engineers. Portland District and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Flood control categories.

A Decision Framework For Managing The Spirit Lake And Toutle River System At Mount St Helens

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Author : National Academies of Sciences, Engineering, and Medicine
language : en
Publisher: National Academies Press
Release Date : 2018-04-29

A Decision Framework For Managing The Spirit Lake And Toutle River System At Mount St Helens written by National Academies of Sciences, Engineering, and Medicine and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-04-29 with Nature categories.

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.

Flood Hydrology

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Author : V.P. Singh
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Flood Hydrology written by V.P. Singh and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Floods constitute a persistent and serious problem throughout the United States and many other parts of the world. They are responsible for losses amounting to billions of dollars and scores of deaths annually. Virtually all parts of the nation--coastal, moun tainous and rural--are affected by them. Two aspects of the problem of flooding that have long been topics of scientific inquiry are flood frequency and risk analyses. Many new, even improved, tech niques have recently been developed for performing these analyses. Nevertheless, actual experience points out that the frequency of say a 100-year flood, in lieu of being encountered on the average once in one hundred years, may be as little as once in 25 years. It is therefore appropriate to pause and ask where we are, where we are going and where we ought to be going with regard to the technology of flood frequency and risk analyses. One way to address these ques tions is to provide a forum where people from all quarters of the world can assemble, discuss and share their experience and expertise pertaining to flood frequency and risk analyses. This is what con stituted the motivation for organizing the International Symposium on Flood Frequency and Risk Analyses held May 14-17, 1986, at Louisiana State University, Baton Rouge, Louisiana.

Rehabilitating Damaged Ecosystems

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Author : John Cairns, Jr.
language : en
Publisher: CRC Press
Release Date : 1994-12-27

Rehabilitating Damaged Ecosystems written by John Cairns, Jr. and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-12-27 with Technology & Engineering categories.

Built on a strong foundation in restoration ecology, this unique handbook provides practitioners, academics, and managers with vital tools needed to plan for ecosystem conservation, to restore degraded ecosystems, to make cost-effective restoration decisions, and to understand important legal issues. Rehabilitation of Damaged Ecosystems, Second Edition boasts three completely new chapters and five major chapter revisions. Coastal wetlands restoration, watershed rehabilitation and management, mined land reclamation, revegetation of disturbed ecosystems, and river and stream restoration are only a few of the critical topics explored in this timely reference handbook. This Second Edition provides valuable, reliable data as well as practical methods and techniques for the ongoing fight to protect natural resources and restore damaged ecosystems.

Rehabilitating Damaged Ecosystems

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Author : Jr. Cairns
language : en
Publisher: CRC Press
Release Date : 2017-12-14

Rehabilitating Damaged Ecosystems written by Jr. Cairns and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-12-14 with Technology & Engineering categories.

Built on a strong foundation in restoration ecology, this unique handbook provides practitioners, academics, and managers with vital tools needed to plan for ecosystem conservation, to restore degraded ecosystems, to make cost-effective restoration decisions, and to understand important legal issues. Rehabilitation of Damaged Ecosystems, Second Edition boasts three completely new chapters and five major chapter revisions. Coastal wetlands restoration, watershed rehabilitation and management, mined land reclamation, revegetation of disturbed ecosystems, and river and stream restoration are only a few of the critical topics explored in this timely reference handbook. This Second Edition provides valuable, reliable data as well as practical methods and techniques for the ongoing fight to protect natural resources and restore damaged ecosystems.

Federal Register

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Author :
language : en
Publisher:
Release Date : 2012-12

Federal Register written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12 with Delegated legislation categories.

Development And Routing Of Mudflow Resulting From Hypothetical Failure Of Spirit Lake Debris Dam Washington

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Author : David L. Kresch
language : en
Publisher:
Release Date : 1992

Development And Routing Of Mudflow Resulting From Hypothetical Failure Of Spirit Lake Debris Dam Washington written by David L. Kresch and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Debris avalanches categories.

Water Resources Investigations Report

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Author :
language : en
Publisher:
Release Date : 1991

Water Resources Investigations Report written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Hydrology categories.

Geohydrology And Water Quality Of Stratified Drift Aquifers In The Lower Merrimack And Coastal River Basins Southeastern New Hampshire

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Author : Peter J. Stekl
language : en
Publisher:
Release Date : 1992

Geohydrology And Water Quality Of Stratified Drift Aquifers In The Lower Merrimack And Coastal River Basins Southeastern New Hampshire written by Peter J. Stekl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Aquifers categories.

... Describes the hydrologic and geologic characteristics of the stratified-drift aquifers - areal extent, saturated thickness, and transmissivity, ground-water levels, general directions of groundwater flow and yield of stratified drift and contributing area for selected aquifers after prolonged pumping; describes the general geohydrology of till and bedrock and water use and water yielding characteristics of the bedrock aquifer and documents groundwater quality; area covered in study includes Londonderry to New Castle, Beaver Brook, Little River, Spicket River and Powwow Rivers were the drainage sub-basins studied ...

Water Resources Development Act Of 2000

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Author : United States. Congress
language : en
Publisher:
Release Date : 2000

Water Resources Development Act Of 2000 written by United States. Congress and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Federal aid to water resources development categories.