D.A. Neitzel
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Comparative fish impingement at two adjacent water intakes on the mid-Columbia River Open
Fish impingement on the mid-Columbia River is a concern only from April through June, and is limited to a few species. A comparison of fish impingement was made from May through June 1977 at two water intake facilities located 276 m (900 f…
Hanford Site National Environmental Policy Act (NEPA) Characterization Open
documentation. The material in Chapter 5.0 is a guide to the models used, including critical assumptions incorporated in these models in previous Hanford NEPA documents. The user will to have to select those models appropriate for the prop…
Washington Phase II Fish Diversion Screen Evaluations in the Yakima River Basin, 1998. Open
Pacific Northwest National Laboratory (PNNL) evaluated 19 Phase II screen sites in the Yakima River Basin as part of a multi-year study for the Bonneville Power Administration (BPA) on the effectiveness of fish screening devices. The sites…
Hanford Site National Environmental Policy Act (NEPA) characterization. Revision 10 Open
This document describes the US Department of Energy`s (DOE) Hanford Site environment and is numbered to correspond to the chapters where such information is presented in Hanford Site NEPA related documents. The document is intended to prov…
Hanford Site National Environmental Policy Act (NEPA) characterization. Revision 8 Open
This eighth revision of the Hanford Site National Environmental Policy Act (NEPA) Characterization presents current environmental data regarding the Hanford Site and its immediate environs. This information is intended for use in preparing…
Movement of Fall Chinook Salmon Fry Oncorhynchus Tshawytscha : A Comparison of Approach Angles for Fish Bypass in a Modular Rotary Drum Fish Screen. Open
The Pacific Northwest National Laboratory (PNNL) performed tests to determine whether a significant difference in fish passage existed between a 6-ft screening facility built perpendicularly to canal flow and an identical screening facilit…
Proceedings from a Workshop on Ecological Carrying Capacity of Salmonids in the Columbia River Basin : Measure 7.1A of the Northwest Power Planning Council`s 1994 Fish and Wildlife Program : Report 3 of 4, Final Report. Open
This report contains the proceedings of a workshop held during 1995 in Portland, Oregon. The objective of the workshop was to assemble a group of experts that could help us define carrying capacity for Columbia River Basin salmonids. The w…
Effects of climate change on Pacific Northwest water-related resources: Summary of preliminary findings Open
The Pacific Northwest Case Study is a multi-agency analysis of atmospheric/climatic change impacts on the Pacific Northwest (which includes Washington, Oregon, Idaho, and portions of the Columbia River Basin in Western Montana). The purpos…
Survey of Columbia River Basin Streams for Columbia Pebblesnail Fluminicola Columbiana and Shortface Lanx Fisherola Nuttalli Open
At present, there are only two remaining sizable populations of Columbia pebblesnail Fluminicola columbiana; those in the Methow and Okanogan rivers, Washington. Smaller populations survive in the Hanford Reach of the Columbia River, Washi…
Survey of Columbia River Basin streams for Columbia pebblesnail Fluminicola columbiana and shortface lanx Fisherola nuttalli Open
At present, there are only two remaining sizable populations of Columbia pebblesnails Fluminicola columbiana; those in the Methow and Okanogan rivers, Washington. Smaller populations survive in the Hanford Reach of the Columbia River, Wash…
Survey of Columbia River Basin streams for Columbia pebblesnail Fluminicola columbiana and shortface lanx Fisherola nuttalli Open
At present, there are only two remaining sizable populations of Columbia pebblesnails Fluminicola columbiana; those in the Methow and Okanogan rivers, Washington. Smaller populations survive in the Hanford Reach of the Columbia River, Wash…
Native American fishery issues: Hanford involvement in evaluation of the Zone 6 fishery Open
Native American fishers are concerned about the deteriorating quality of salmon and other fish caught from the Columbia River. They fear salmon are not healthy and that eating the fish could Jeopardize the health of Native Americans. In 19…
Air quality analysis and related risk assessment for the Bonneville Power Administration's Resource Program Environmental Impact Statement Open
The Bonneville Power Administration (BPA) is considering 12 different alternatives for acquiring energy resources over the next 20 years. Each of the alternatives utilizes a full range of energy resources (e.g., coal, cogeneration, conserv…
Evaluation of rotary drum screens used to protect juvenile salmonids in the Yakima River Basin, Washington, USA Open
The purpose of this study is to assess the design and operation of rotary drum screens. Chinook salmon Oncorhynchus tshawytscha and steelhead O. mykiss are the potentially affected fish. Cold-branded fish are released upstream of the scree…
Hatchery Effectiveness Technical Work Group Retreat Proceedings, January 9-11, 1990. Open
This report summarizes a retreat held for the Hatchery Effectiveness Technical Work Group (HETWG). The objectives were to improve the effectiveness of the Technical Work Group (TWG) through developing procedures for its operation, and to d…
A fisheries evaluation of the Wapato, Sunnyside, and Toppenish Creek canal fish screening facilities, spring 1988 Open
The Bonneville Power Administration, the United States Bureau of Reclamation, and the Washington State Department of Ecology are funding the construction and evaluation of fish passage and protection facilities at irrigation and hydroelect…
Survey of Columbia River Basin Streams for Giant Columbia River Spire Snail Fluminicola columbiana and Great Columbia River limpet Fisherola nuttalli Open
Surveys have confirmed the survival of both the giant Columbia River spire snail Fluminicola columbiana and the great Columbia River limpet Fisherola nuttalli in the Hanford Reach of the Columbia River, Washington State, as well as other s…
Smolt Survival Workshop: Proceedings of a Workshop held at University of Washington Laboratory, Friday Harbor, Washington, February 1-3, 1989. Open
A workshop was held at the University of Washington Laboratory to evaluate measures of juvenile salmon and steelhead survival and to recommend approaches for future studies in the Columbia River. Specific workshop goals included: review st…
Proceedings of the Predator-Prey Modeling Workshop : Workshop Proceedings May 16-19, 1989, University of Washington Friday Harbor Laboratory in Friday Harbor, Washington. Open
This report summarizes the results of a workshop held to receive expert advice and review existing Columbia River models that include juvenile salmonid predation components and, if warranted, recommend alternate modeling approaches. The wo…
Downstream extent of the N Reactor plume Open
The downstream extent of the N Reactor thermal plume was studied to assess the potential for fisheries impacts downstream of N Reactor. The N Reactor plume, as defined by the 0.5/sup 0/F isotherm, will extend less than 10 miles downstream …
Evaluation of the potential for fish passage through the N Reactor and the Hanford generating project discharges Open
The potential for juvenile downstream-migrating salmonids to encounter both the Hanford Generating Project (HGP) and N Reactor discharges was evaluated. Three general scenarios were assessed for fish exposure: (1) HGP plume centerline pass…
A Fisheries Evaluation of the Richland and Toppenish/Satus Canal Fish Screening Facilities, Spring 1986 Annual Report. Open
The fisheries evaluation phase of diversion screen effectiveness summarizes the results of work at the Richland and Toppenish/Satus Fish screening facilities (Richland Screens and Toppenish/Satus Screens) during 1986. More than 10,000 stee…
Preliminary survey of polychlorinated biphenyls (PCBs) in aquatic habitats and Great Blue Herons on the Hanford Site. [Ardea herodias] Open
Polychlorinated biphenyls (PCBs), constituents of insulating fluids used in electrical transformers and capacitors, were identified during a preliminary survey of waters, sediments, and fish from five locations on the Hanford Site in south…
Distribution of polychlorinated biphenyls (PCBs) in surface sediments of Gable Mountain Pond Open
Samples of sediments were collected and analyzed to determine the concentration and distribution of polychlorinated biphenyls (PCBs) in Gable Mountain Pond, which is located on the Hanford Site in southeastern Washington State. All samples…
White Sturgeon Research Needs: Workshop Results, Seattle, Washington, November 3-4, 1983. Open
This report describes the results of a workshop to develop a research program for Columbia River Basin white surgeon. Invited participants developed a list of white sturgeon research needs and rationale for ranking the relative importance …
Salmonid redd dewatering: What do we know Open
Dewatering of salmonid spawning areas causes abrupt changes in the intergravel environment that may lead to extensive losses of development phases while intergravel in redds. Information on tolerance to dewatering and the extent of physico…
Information retrieval system: impacts of water-level changes on uses of federal storage reservoirs of the Columbia River. Open
A project undertaken to provide the Bonneville Power Administration (BPA) with information needed to conduct environmental assessments and meet requirements of the National Environmental Policy Act (NEPA) and the Pacific Northwest Electric…
Guidance manual for the input of biological information to water-intake-structure design Open
This manual is intended to provide guidance to the biologist who is asked to provide biological input during the construction or subsequent alteration of a water intake structure. Examples of the types of biological information that might …
Procedure for developing biological input for the design, location, or modification of water-intake structures Open
To minimize adverse impact on aquatic ecosystems resulting from the operation of water intake structures, design engineers must have relevant information on the behavior, physiology and ecology of local fish and shellfish. Identification o…
Review of Pacific Northwest Laboratory research on aquatic effects of hydroelectric generation and assessment of research needs Open
This report is an overview of Pacific Northwest Laboratory's (PNL) research on how hydroelectric generation affects aquatic biota and environments. The major accomplishments of this research are described, and additional work needed to per…