Analysis of Low Flows and Selected Methods for Estimating Low-Flow Characteristics at Partial-Record and Ungaged Stream Sites in Western Washington PDF Download
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Author: Christopher A. Curran
Publisher: CreateSpace
ISBN: 9781500491338
Category : Technology & Engineering
Languages : en
Pages : 52
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Book Description
A regional low-flow survey of small, perennial streams in western Washington was initiated by the Northwest Indian Fisheries Commission (NWIFC), NWIFC-member tribes, and Point-No-Point Treaty Council in cooperation with the U.S. Geological Survey in 2007 and repeated by the tribes during the low-flow seasons of 2008–09. Low-flow measurements at 63 partial-record and miscellaneous streamflow-measurement sites during surveys in 2007–09 are used with concurrent flows at continuous streamflow-gaging stations (index sites) within the U.S. Geological Survey network to estimate the low-flow metric Q7,10 at each measurement site (Q7,10 is defined as the lowest average streamflow for a consecutive 7-day period that recurs on average once every 10 years).
Author: Christopher A. Curran
Publisher: CreateSpace
ISBN: 9781500491338
Category : Technology & Engineering
Languages : en
Pages : 52
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Book Description
A regional low-flow survey of small, perennial streams in western Washington was initiated by the Northwest Indian Fisheries Commission (NWIFC), NWIFC-member tribes, and Point-No-Point Treaty Council in cooperation with the U.S. Geological Survey in 2007 and repeated by the tribes during the low-flow seasons of 2008–09. Low-flow measurements at 63 partial-record and miscellaneous streamflow-measurement sites during surveys in 2007–09 are used with concurrent flows at continuous streamflow-gaging stations (index sites) within the U.S. Geological Survey network to estimate the low-flow metric Q7,10 at each measurement site (Q7,10 is defined as the lowest average streamflow for a consecutive 7-day period that recurs on average once every 10 years).
Author:
Publisher:
ISBN:
Category : Water
Languages : en
Pages : 1064
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Book Description
Author: Water Resources Council (U.S.). Hydrology Committee
Publisher:
ISBN:
Category : Flood forecasting
Languages : en
Pages : 232
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Book Description
Author: Lena M. Tallaksen
Publisher: Elsevier
ISBN: 9780444517678
Category : Computers
Languages : en
Pages : 626
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Book Description
The majority of the examples are taken from regions where the rivers run most of the year.
Author: Blakemore E. Thomas
Publisher:
ISBN:
Category : Flood forecasting
Languages : en
Pages : 440
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Book Description
Author: H.C. Riggs
Publisher: Elsevier
ISBN: 0080870139
Category : Science
Languages : en
Pages : 263
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Book Description
Reliable estimates of streamflow characteristics are needed for planning, design, and operation of works for providing water supplies and for protection from flooding. This book brings together some of the most useful estimation methods - those that are simple, practical, and require only commonly available or readily obtainable data, and which give results comparable in accuracy with those derived from more sophisticated methods. The author describes how streamflow data are collected, how the characteristics are computed, how they are changed by man's activities, and how they are used in planning and design. Chapters describing statistical principles and techniques, and the effects of various climatic and physiographic factors on streamflow are included. The analytical methods are described in sufficient detail that the reader can apply them to his data. Further applications and other techniques are referred to in bibliographies.
Author: D.R. Helsel
Publisher: Elsevier
ISBN: 0080875084
Category : Science
Languages : en
Pages : 539
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Book Description
Data on water quality and other environmental issues are being collected at an ever-increasing rate. In the past, however, the techniques used by scientists to interpret this data have not progressed as quickly. This is a book of modern statistical methods for analysis of practical problems in water quality and water resources.The last fifteen years have seen major advances in the fields of exploratory data analysis (EDA) and robust statistical methods. The 'real-life' characteristics of environmental data tend to drive analysis towards the use of these methods. These advances are presented in a practical and relevant format. Alternate methods are compared, highlighting the strengths and weaknesses of each as applied to environmental data. Techniques for trend analysis and dealing with water below the detection limit are topics covered, which are of great interest to consultants in water-quality and hydrology, scientists in state, provincial and federal water resources, and geological survey agencies.The practising water resources scientist will find the worked examples using actual field data from case studies of environmental problems, of real value. Exercises at the end of each chapter enable the mechanics of the methodological process to be fully understood, with data sets included on diskette for easy use. The result is a book that is both up-to-date and immediately relevant to ongoing work in the environmental and water sciences.
Author: T. A. McMahon
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 120
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Book Description
Factors affecting low streamflow; Assessment of data used in low flow analysis; Computational procedures with adequate hydrometric data; Determination of low flow inadequate hydrometric data; Low flow forecasts.
Author: Scott A. Olson
Publisher:
ISBN:
Category : Electronic government information
Languages : en
Pages : 58
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Book Description
Author: William D. Potter
Publisher:
ISBN:
Category : Road drainage
Languages : en
Pages : 44
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Book Description
