| Evaluation of the Wave Absorber at Pentwater, Michigan |
20 JAN 2004 |
12 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
 | This discussion compares incident and transferred energy for gages located within the Pentwater, Michigan boat channel. Comparisons are made primarily by examining the differences in the incident and transferred significant wave height, (Hm0). Other comparisons use spectral results. Spectral analysis allows the energy of the total wave record to be broken down into discrete frequency bands. Energy inside and outside the wave absorber may then be compared and a transfer ... |
|
| A Measured Energy Transformation Application (META) for Long Beach Harbor, Site 2 Using a Statistical Relationship |
28 AUG 2003 |
10 pages |
| Authors:
James P. McKinney; William D. Corson; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This discussion compares prototype and computed spectral results for gages located at Long Beach Harbor, CA. Comparisons are made by examining the differences in the prototype and computed harbor total energy, Et, very long period energy between 200 and 30 seconds, E200-30, and energy spectrums. Spectral analysis allows the energy of the total wave record to be broken down into discrete frequency bands. Spectral results from an incident gage, LB8, ... |
|
| An Examination of Breakwater Performance at Burns Harbor, Indiana |
15 JUL 2003 |
12 pages |
| Authors:
James P. McKinney; Margaret A. Sabol; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This discussion compares incident and transferred spectral results for gages located at Burns Harbor, Indiana. Comparisons are made by examining the differences in the incident and transferred harbor energy spectrums. Spectral analysis allows the energy of the total wave record to be broken down into discrete frequency bands. Energy inside and outside the harbors may then be compared and a transfer factor for each discrete frequency can be determined. Incident ... |
|
| Deep-Draft Entrance Channels: Preliminary Comparisons Between Field and Laboratory Measurements |
DEC 2001 |
21 pages |
| Authors:
Michael J. Briggs; Ivano Melito; Zeki Demirbilek; Frank Sargent; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This Coastal and Hydraulics Engineering Technical Note (CHETN) summarizes preliminary comparisons between field and laboratory measurements of wave-induced vertical motions at Barbers Point Harbor, HI (Figure 1). The importance of these wave motions to ship underkeel clearance allowances and channel depth requirements is described. |
|
| Management of Bottomland Hardwood Forests for Nongame Bird Communities on Corps of Engineers Projects |
SEP 2001 |
18 pages |
| Authors:
MiMichael P. Guilfoyle; Chester O. Martin; Russel F. Theriot; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note is a product of the Ecosystem Management and Restoration Research Program (EMRRP) work unit titled "Improved Methods for Ecosystem-Based Habitat Management at Corps Projects." The objective of the work unit is to provide appropriate technology on managing wildlife species and their habitats using ecosystem-based strategies. The emphasis is on methods that improve natural resources for a variety of animals rather than single species. Bottomland hardwoods represent an ... |
|
| Riparian Habitat Management for Reptiles and Amphibians on Corps of Engineers Projects |
AUG 2001 |
14 pages |
| Authors:
Dena D. Dickerson; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note is a product of the Ecosystem Management and Restoration Research Program (EMRRP) work unit titled "Improved Methods for Ecosystem-Based Habitat Management at Corps Projects." The objective of the work unit is to provide technology on managing wildlife and their habitats using ecosystem-based strategies. The emphasis is on methods that improve natural resources for a variety of animals rather than single species. The recent focus on ecosystem management ... |
|
| Acid Mine Drainage Treatment |
MAY 2000 |
7 pages |
| Authors:
Jon Fripp; Paul F. Ziemkiewicz; Hari Charkavorki; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Contaminated water flowing from abandoned coal mines is one of the most significant contributors to water pollution in former and current coal- producing areas. Acid mine drainage (AMD) can have severe impacts to aquatic resources, can stunt terrestrial plant growth and harm wetlands, contaminate groundwater, raise water treatment costs, and damage concrete and metal structures. In the Appalachian Mountains of the eastern United States alone, more than 7,500 miles of ... |
|
| Bald Eagle Recovery Efforts at Corps of Engineers Projects |
MAY 2000 |
14 pages |
| Authors:
Richard A. Fischer; Chester O. Martin; Russell F. Theriot; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The bald eagle appears to be recovering at a remarkable rate, following a long history of declining populations attributed to a variety of factors. The Corps has been instrumental in recovery efforts by managing breeding, nesting, and wintering eagle populations, as well as conducting public education and outreach activities. The USFWS has recently considered removing the bald eagle from protection of the Endangered Species Act because ... |
|
| Assessment of Potential Impacts of Dredging Operations Due to Sediment Resuspension |
MAY 2000 |
14 pages |
| Authors:
Douglas Clarke; Robert M. Engler; D. H. Wilber; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note summarizes the known biological responses of estuarine and coastal fish and shellfish to suspended sediments and relates these findings to suspended-sediment conditions associated with dredging projects. An objective approach toward evaluation of sediment resuspension impacts is proposed that requires full consideration of (a) the existing state of knowledge concerning the effects of suspended sediments on fish and shellfish, including recognition of ... |
|
| Dredging Research. Volume 3, Number 1, Mar 2000 |
MAR 2000 |
6 pages |
| Authors:
Lyndell Hales; Robert M. Engler; David W. Bowman; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Articles concerning dredging opeerations and research are presented. |
|
| Prediction of Volatile Losses from Contaminated Exposed Sediments |
DEC 1999 |
12 pages |
| Authors:
Cynthia Price; James Brannon; Sally Yost; R. Ravikrishna; K. T. Valsaraj; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note describes laboratory and field investigations conducted to obtain flux data from contaminated dredged materials for the emission of volatile organic chemicals (VOCs) from sediment exposed to the atmosphere. These data have been used to develop and validate predictive volatile emissions models. Laboratory and field results and predictive equations are presented. |
|
| Ecological and Human Health Risk Assessment Guidance for Aquatic Environments |
DEC 1999 |
249 pages |
| Authors:
Jerome J. Cura; Wendy Heiger-Bernays; Todd S. Bridges; David W. Moore; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Evaluating the potential environmental consequences associated with dredging and dredged material disposal is a challenging task. Scientific advancements have made possible the collection of large amounts of complex technical information. The dredged material manager must often weigh and balance multiple and sometimes conflicting lines of evidence to reach a decision; and each decision involves a certain level of uncertainty. The application of Environmental Risk Assessment ... |
|
| Prediction of Volatile Losses from Contaminated Exposed Sediments |
DEC 1999 |
11 pages |
| Authors:
Cynthia Price; James Brannon; Sally Yost; R. Ravikrishna; K. T. Valsaraj; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note describes laboratory and field investigations conducted to obtain flux data from contaminated dredged materials for the emission of volatile organic chemicals (VOCs) from sediment exposed to the atmosphere. These data have been used to develop and validate predictive volatile emissions models. Laboratory and field results and predictive equations are presented. |
|
| Water Reallocation in the Willamette Basin - the Recreation Factor. RECNOTES: Volume R-99-2 |
NOV 1999 |
14 pages |
| Authors:
Jim E. Henderson; Brian A. Roach; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Since the Corps completed its major construction program in the mid- 1980s, there has been a focus on changing operations of major systems such as the Missouri River, Columbia River, ACT/ACF (Alabama-Coosa-Tallipooosa/ Appalachicola-Chattahoochee-Flint), and others. Reevaluations and changes in operations have resulted from changing water demands of stake-holders. In each water resource study, recreation use had to be considered in evaluating alternative operating plans. ... |
|
| Foraging Habitat for Bird Species or Bird Diversity in Wetland Design |
OCT 1999 |
10 pages |
| Authors:
Brian Harrington; Bill Streever; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note provides guidelines for creating, restoring, or enhancing wetlands with foraging habitat intended to 1) support selected bird species, or 2) maximize bird diversity. Information in this technical note is applicable to wetlands ranging from damp or shallowly flooded terrestrial areas to deeper semi-permanent and permanent wetlands, including ponds and lakes. This technical note also lists a number of publications with information about ... |
|
| Ecosystem Management and Restoration. Overview of Stream Restoration Technology: State of the Science. EMRRP, Volume 2, Number 3 |
OCT 1999 |
6 pages |
| Authors:
J. C. Fischenich; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The Ecosystem Management and Restoration Research Program (EMRRP), established in 1997, provides state-of-the-science techniques for prediction and analysis of environmental impacts of Corps projects and activities. This program's emphasis is on ecosystem restoration that meets broad watershed management objectives. Objectives of the Stream and Riparian Restoration and Management work unit, a component of the EMRRP, are straightforward: a) formulate, demonstrate, and disseminate guidance for restoring ... |
|
| Repair and Rehabilitation of Dams: Case Studies |
SEP 1999 |
263 pages |
| Authors:
James E. McDonald; Nancy F. Curtis; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This study was conducted to identify methods that have been used in the repair and rehabilitation of concrete dams. Information was obtained through literary searches, discussions with project personnel, and visits to project sites. Each case history includes a background of the project, the deficiency that necessitated repair or rehabilitation, and descriptions of materials and methods used in the repair or rehabilitation. When available, the cost ... |
|
| Dredging Research, Volume 2, Number 3, September 1999 |
SEP 1999 |
7 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This journal discusses aspects of dredging research. |
|
| Tri-Service Site Characterization and Analysis Penetrometer System (SCAPS) Accelerated Sensor Development Project |
SEP 1999 |
186 pages |
| Authors:
Ernesto R. Cespedes; Stephen H. Lieberman; Bruce J. Nielsen; George E. Robitaille; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| In 1994, the Strategic Environmental Research and Development Program (SERDP) funded a Tri-Service effort to accelerate the development and fielding of environmental sensing technologies to extend the capabilities of the Site Characterization and Analysis Penetrometer System (SCAPS). This effort, which was completed in 1998, produced a wide range of SCAPS sensors, samplers, and supporting technologies that allow SCAPS to detect, delineate, and map subsurface contaminants including petroleum, oils, and lubricants ... |
|
| Integration of the Hydrologic Simulation Program--FORTRAN (HSPF) watershed Water Quality Model into the Watershed Modeling System (WMS) |
SEP 1999 |
58 pages |
| Authors:
Patrick N. Deliman; Willard J. Pack; E. J. Nelson; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The integration of the watershed water quality model Hydrologic Simulation Program-FORTRAN (HSPF) into the Watershed Modeling System (WMS) was initiated as part of an overall goal of the Water Quality Research Program to provide water quality capabilities within the framework of a comprehensive graphical modeling environment for conducting hydrologic and water quality analysis. The WMS interface creates a way for the user to input a multitude of parameters into the ... |
|
| Diffusive and Kinetic Fluxes of Phosphorus from Sediments in Relation to Phosphorus Dynamics in Lake Pepin, Upper Mississippi River |
SEP 1999 |
45 pages |
| Authors:
William F. James; John W. Barko; Harry L. Eakin; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Over a 3-year period (1994-96), suspended seston and phosphorus (P) dynamics were examined in the Upper Mississippi River (UMR) and naturally impounded Lake Pepin, with special attention to external and internal P loading processes that may be contributing to deteriorating water quality conditions. The Minnesota River accounted for most of the annual and summer suspended seston (^81 %) and total phosphorus (^44 %) load, while the Metropolitan Wastewater Treatment Plant ... |
|
| Aquatic Plant Control Research Program. Volume A-99-3 |
AUG 1999 |
6 pages |
| Authors:
Alfred F. Cofrancesco; Holly Crosson; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Euhrychiopsis lecontei (Dietz) is a small native weevil that feeds on various species of watermilfoil. Its natural host is northern watermilfoil (Myriophyllum sibiricum Komarov); however, it has been shown to feed extensively on Eurasian watermilfoil (Myriophyllum spicatum L.). The ability of this insect to feed on and damage Eurasian watermilfoil has led to its use in the management of this non- indigenous plant. Euhrychiopsis Iecontei is a weevil ... |
|
| Application of SLRP to Pearl Harbor Dredged Material |
AUG 1999 |
13 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The simplified laboratory runoff procedure (SLRP) was developed to provide U.S. Army Corps of Engineers Districts with a fast, inexpensive screening tool to assess potential surface runoff water quality problems resulting from the upland disposal of dredged material. The SLRP was applied to sediments from Indiana Harbor (Environmental Laboratory 1987), Blackrock Harbor, and the San Francisco Bay area during its development (Price, Skogerboe, and Lee 1998; Skogerboe 1995). Recently, SLRP ... |
|
| Hispanic American Recreation at Two Corps Lakes in Texas and California: A Preliminary Assessment |
AUG 1999 |
26 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Research is being conducted at the U.S. Army Engineer Waterways Experiment Station (WES) on the existing and future use of Corps of Engineers operating projects by ethnic minority customers. The purpose of this research is to obtain information on minority recreation preferences and needs so that Corps decision makers can use this information in project planning and operations. This technical note presents the preliminary findings of research among two groups ... |
|
| Species Profile: Wood Stork (Mycteria americana) on Military Installations in the Southeastern United States |
AUG 1999 |
40 pages |
| Authors:
Wilma A. Mitchell; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The wood stork (Mycteria americana) is a large colonial wading bird that breeds in a variety of wetland habitats. Its current range extends from southern South Carolina through Florida and from Mexico to northern Argentina, but populations in the United States are disjunct from those in Mexico and Central America. Storks disperse after the nesting season; the postbreeding range formerly extended to Arkansas, Tennessee, and North Carolina but has been ... |
|
| Airblast Effects Research: Small-Scale Experiments and Calculations |
AUG 1999 |
100 pages |
| Authors:
Charles E. Joachim; Gordon W. McMahon; Christo V. Lunderman; Sharon B. Garner; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| A series of 1:15 scale model experiments were conducted to investigate the effects of loading density on the dynamic airblast flow parameters produced by spherical charge detonations in an underground ammunition storage magazine (shotgun design). Chamber loading densities ranged from 0.4 to 5.0 kg/cubic meter (TNT Equivalent). Total pressure measurements were made on the center line of the model access tunnel using a miniaturized, probe type, pressure mount. Side-on and ... |
|
| Natural Attenuation of Explosives in Soil and Water Systems at Department of Defense Sites |
JUL 1999 |
53 pages |
| Authors:
Judith C. Pennington; Paul H. Miyares; David B. Ringelberg; Mansour Zakikhani; C. M. Reynolds; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This report, which is a follow-on to the report "Natural Attenuation of Explosives in Groundwater at DoD Sites: "Interim Report," presents results of a study to evaluate the feasibility of using stable isotopes of carbon and nitrogen in soil or groundwater to monitor natural attenuation of explosives. The report also includes continuation results from two research areas, toxicity testing of surface soils at the demonstration site and integration of biomarker ... |
|
| Toe Stability of Rubble-Mound Structures in a Breaking Wave and Ebb Flow Environment |
JUL 1999 |
43 pages |
| Authors:
Ernest R. Smith; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| A three-dimensional physical model study was conducted to investigate toe stability of coastal structures in a breaking wave and ebb flow environment. The model study was conducted at a midscale on the order of 1:25, model to prototype. The study included both fixed-bed and movable-bed experiments. The purpose of the fixed-bed experiments was to determine a method to calculate a stable toe stone weight subjected to breaking waves and ebb ... |
|
| MILFO (Version 1.0): A Simulation Model for Growth of Eurasian Watermilfoil-User's Guide |
JUL 1999 |
40 pages |
| Authors:
Elly P. Best; William A. Boyd; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This manual has been written as a practical guide for the operational use of MILFO (version 1.0), a personal computer-based software package that simulates growth of Eurasian watermilfoil. This manual includes instruction for installing and using the MILFO software package as well as example runs to provide further information to facilitate proper execution and to demonstrate applications. |
|
| Development of an Age-structured Metapopulation Model of Zebra Mussels |
JUL 1999 |
6 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Since current water quality models do not adequately portray population dynamics (Waide and Kennedy 1998), understanding the interactions between zebra mussels and water quality will require linking water quality models and models of zebra mussel population dynamics (Kennedy, Bridges, and O'Neill 1998). This technical note describes the development of a population model for zebra mussels. The model predicts probable population trajectories (changes in abundance over time) based on current abundances ... |
|
| Filtration and Excretion by Zebra Mussels: Implications for Water Quality Impacts in Lake Pepin, Upper Mississippi River |
JUL 1999 |
9 pages |
| Authors:
William F. James; John W. Barko; Mike Davis; Harry L. Eakin; James T. Rogala; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note describes the impacts of filtration and soluble nutrient excretion by zebra mussels on water quality in Lake Pepin, Upper Mississippi River. |
|
| Case Studies: Monitoring Pipeline Dredges |
JUL 1999 |
9 pages |
| Authors:
James Rosati; Timothy Welp; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The technical note (TN) herein documents current Corps of Engineers' experiences with monitoring contractor pipeline dredges. A series of subsequent TNs will describe the development and operation of the Pipeline Dredge Silent Inspector (SI). The SI work unit is defining standards and procedures and developing technology for automated monitoring of contract dredging. The resulting SI system will provide the means (standards and software implementations of those standards) to use these ... |
|
| Sorption Characteristics of Sediments in the Upper Mississippi River System Above Lake Pepin |
JUL 1999 |
6 pages |
| Authors:
W. F. James; J. W. Barko; H. L. Eakin; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note examines equilibrium phosphorus processes and sorption characteristics for sediments collected from the Minnesota River, immediately upstream from its confluence with the Upper Mississippi River (UMR), and from Lake Pepin of the UMR, located approximately 70 miles downstream of the Minnesota River inflow. Suspended sediments can play an important role in the regulation of nutrient dynamics and primary productivity in aquatic systems by influencing nutrient concentrations in the ... |
|
| Fish-Habitat Relationships in the Streams of Fort Gordon, Georgia |
JUL 1999 |
39 pages |
| Authors:
Jan J. Koover; K. J. Killgore; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Field studies provided baseline data on fish species composition and abundance at Fort Gordon, Georgia. Four streams were sampled that represented varying levels of anthropogenic impacts: Spirit Creek (most impacted), Sandy Run, Boggy Gut, and Brier Creek (least impacted). Field surveys of juvenile and adult fishes and physical habitat were performed quarterly Dec 1995 to Oct 1996; 14 collections were made at 19 stations for a total 66 samples. Forty-four ... |
|
| Shinnecock Inlet, New York, Site Investigation Report 1 Morphology and Historical Behavior |
JUN 1999 |
226 pages |
| Authors:
Andrew Morang; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Shinnecock Inlet is the easternmost of six permanent inlets in the barrier island chain that follows Long Island's south shore. Shinnecock Inlet is located in eastern Long Island in Suffolk County, near the town of Southampton, and connects the Atlantic Ocean to Shinnecock Bay. The inlet was formed during the Great New England Hurricane of 21 September 1938, when high waves and a storm surge overwashed the barrier. The morphologic ... |
|
| Asian American Recreation at Two Corps Lakes in California: A Hmong Case Study |
JUN 1999 |
25 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| Research is being conducted at the U.S. Army Engineer Waterways Experiment Station (WES) on the existing and future use of Corps of Engineers operating projects by ethnic minority customers. The purpose of this research is to obtain information on minority recreation preferences and needs so that Corps decision makers can use this information in project planning and operations. This technical note presents the preliminary findings of research among one group ... |
|
| Determining and Mapping the Probability of Aquatic Plant Colonization |
JUN 1999 |
6 pages |
| Authors:
Jerrell R. Balard Jr; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This bulletin is published in accordance with AR 25-30 as one of the information dissemination functions of the Environmental Laboratory of the Engineer Research and Development Center at the Waterways Experiment Station. It is principally intended to be a forum whereby information pertaining to and resulting from the Corps of Engineers' nationwide Aquatic Plant Control Research Program (APCRP) can be rapidly and widely disseminated to Corps District and Division offices ... |
|
| Dredging Research, Volume 2, Number 2. June 1999 |
JUN 1999 |
8 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This bulletin is published in accordance with AR 25-30 as an information dissemination function of the Environmental Laboratory of the U.S. Army Engineer Research and Development Center. The publication is part of the technology transfer mission of the Dredging Operations Technical Support (DOTS) Program and includes information about various dredging research areas. Special emphasis will be placed on articles relating to application of research results or technology to specific project ... |
|
| An Evaluation of Equipment and Procedures for Tensile Bond Testing of Concrete Repairs |
JUN 1999 |
86 pages |
| Authors:
Alexander M. Vayburd; James E. McDonald; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| If the durability of repaired concrete structures is a primary objective of any repair project, then every effort should be made to ensure adequate bonding between the repair and the existing concrete substrate. A total of 257 partial-depth cores in 77 experimental repairs were tested in Florida, Illinois, and Arizona in order to evaluate the effect of material properties and environmental conditions on the bond between repair and concrete substrate. ... |
|
| Managing Hydrilla: Field Trials Using Biological and Chemical Control Technologies Alone and in Combination |
JUN 1999 |
9 pages |
| Authors:
J. F. NShearer; L. S. Nelson; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note describes the results of two field studies to evaluate the effectiveness of a granular formulation of the fungal pathogen Mycoleptidiscus terrestris (Gerd.) Ostaseski (Mt), against the noxious aquatic weed, hydrilla (Hydrilla verticillata (L.f.) Royle). The efficacy of integrating this biological control agent with herbicides to improve long-term management of hydrilla was also investigated. |
|
| The Grass Carp Stocking Rate Model (AMUR/STOCK) |
JUN 1999 |
16 pages |
| Authors:
R. M. Stewart; W. A. Boyd; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The AMUR/STOCK model is a coupled plant growth and fish feeding and bioenergetics simulation model that evaluates the effectiveness of grass carp stocking rate strategies for controlling nuisance growth of aquatic plants under user-selected site conditions. This technical note (TN) describes the major components and some of the major assumptions of this simulation tool, and demonstrates the intended use of the model for evaluating proposed stocking rate strategies. |
|
| Controlling Hydrilla and Eurasian Watermilfoil With Fungal Pathogens from the People's Republic of China |
JUN 1999 |
5 pages |
| Authors:
Judy F. Shearer; John W. Barko; Robert C. Gunkel Jr; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note describes screening of fungal pathogens collected in The People's Republic of China for efficacy on hydrilla (Hydrilla verticillata (L.f.) Royle) and Eurasian watermilfoil or milfoil (Myriophyllum spicatum L.). Results of this research will be used to determine the direction of future efforts in using classical pathogen biological control research for management of these two nuisance aquatic weed species. |
|
| Florida Bay Field Data Report |
JUN 1999 |
356 pages |
| Authors:
Thad C. Pratt; Ned P. Smith; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This report presents results of a field effort that included the long-term monitoring of velocity profiles and meteorological data and the short- term intensive data collection of current speed and direction, water-level fluctuations, conductivity, and temperature at several openings into Florida Bay. The field study was structured to incorporate existing information from previous studies wherever possible to provide better coverage and results. The data were returned to the U.S. Army ... |
|
| Implementation Guidance for Determining Suitability of Microorganisms for Explosives Degradation |
JUN 1999 |
36 pages |
| Authors:
Douglas Gunnison; Herbert L. Fredrickson; David B. Ringelberg; Edward J. Perkins; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This report pulls together past and recently completed research efforts conducted for the 6.1 basic work unit on "Microbiology and Degradation of Explosives." Results are summarized in the form of guidance on the isolation and physiological, biochemical, genetic, and environmental characterization of explosives-degrading microorganisms. Primary emphasis is placed on those microorganisms degrading 2,4,6-trinitrotoluene (TNT) and 2,4- and 2,6- dinitrotoluene (2,4- and 2,6-DNT), but microorganisms degrading hexahydro-1,3,5- trinitro-1,3,5-triazine (RDX or cyclonite), ... |
|
| Design and Construction of Docks to Minimize Seagrass Impacts |
JUN 1999 |
6 pages |
| Authors:
Deborah J. Shafer; Jennifer Lundin; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note provides recommendations for the design and construction of dock and terminal platform structures to minimize impacts to seagrasses, and describes the construction of two experimental platforms in St. Andrew Bay, FL. |
|
| MODEL: Sediment Grain-Size Depth of Residence |
MAY 1999 |
6 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note describes a screening-level computer model for determining the water depth at which a normally distributed sand/coarse-silt sediment becomes mobile. The mobilizing force is determined from a specified wave height, wave period, and superimposed current. |
|
| Evaluation of Dredged Material for Phytoreclamation Suitability |
MAY 1999 |
16 pages |
| Authors:
Richard A. Price; Charles R. Lee; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| This technical note serves primarily to describe an approach to evaluating the phytoreclamation alternative for dredged material treatment. This approach falls under the treatment block described as part of a framework for testing and evaluation of dredged material for beneficial uses in Technical Note DOER-C2 (U.S. Army Engineer Waterways Experiment Station (WES) 1998a). This technical note expands the framework to include a phased approach to determine the suitability of a ... |
|
| Manufactured Soil Screening Test |
MAY 1999 |
9 pages |
| Authors:
ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The purpose of this technical note is to provide a screening test that can be used to evaluate the potential for manufacturing artificial soil using dredged material, cellulose waste materials (e.g., yard waste compost, sawdust, wastepaper), and biosolids (e.g., N-Viro-reconditioned sewage sludge, BIONSOIL-reconstituted cow manure). This procedure will allow the most productive blend of any dredged material (uncontaminated or contaminated), cellulose, and biosolids to be determined and recommended for use ... |
|
| Ashtabula River, Ohio, Sedimentation Study Report 2 Field Data Collection |
MAY 1999 |
118 pages |
| Authors:
Timothy L. Fagerburg; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
|
| The Ashtabula River Basin is located in northeast Ohio. The river enters Lake Erie at the city of Ashtabula, which is about 55 miles east of Cleveland, OH, and 40 miles west of Erie, PA. The purpose of the overall Ashtabula River monitoring program was to provide the necessary boundary condition, initial condition, and verification data for a comprehensive numerical simulation of Asbtabula River. This report provides a permanent recordof ... |
|
| THE CORRELATION OF ELECTROCHROMIC COLOR SHIFTS WITH THE STOICHIOMETRIC PARAMETERS OF SELECTED COPOLYMERS AND POLYMER BLENDS, |
MAY 1999 |
|
| Authors:
D. L. MEEKER; ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS
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 | (U) THIS PAPER DESCRIBES THREE COPOLYMERS OF N-VINYLCARBAZOLE AND N-PHENYL1-2-(5'-VINYL-2'-THIENYL)-5-(2"-THIENYL)-PYRROLE SYNTHESIZED USING DIFFERENT FEED STOCK RATIOS IDENTICAL TO THE MASS BLENDS AND THEY ARE CHARACTERIZED. BLENDS OF PVK AND PSNPHS WITH SIMILAR COMPOSITIONS WERE PREPARED. SOLID STATE DEVICES WERE FABRICATED AND THE ELECTROCHROMIC PROPERTIES OF THE SYSTEMS ARE DISCUSSED. IN SITU SPECTROELECTROCHEMISTRY AND SPECTROCOLORIMETER MEASUREMENTS ARE PRESENTED SHOWING THAT THE ELECTROCHROMIC PROPERTIES OF THESE DEVICES CAN BE CORRELATED WITH THE ... |
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