http://www.ntis.gov/rss/RSSNTISCategoryList.aspxNational Technical Reports Libraryen(c) 2008, National Technical Information Service. All rights reserved.5http://www.ntis.gov/images/logoRSS.jpghttp://www.ntis.govOne primary goal of this international cooperative research program is to investigate behavioral reactions and the sound exposures required to elicit them of three species of whales: bottlenose whales, minke whales, and humpback whales to Naval Activ ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573921The long-term goal of this project is to quantify the behavior of mother-calf pairs from the North Atlantic right whale (Eubalaena glacialis) to determine (a) why mothers and calves are more susceptible to collisions with vessels and, (b) determine t ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573786The over-all goal of this research is the development of an accurate and reliable propagation model applicable to environments which exhibit strong range dependence in all three spatial dimensions. The objective of this work is to gain an understandi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574801The long-term goal is to accurately describe the spatial and temporal distributions of fish and quantify the mid-frequency clutter characteristics of fish. The objective is to conduct a new class of quantitative studies of acoustic scattering by swim ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574654Strengths of attachment of spores of the green fouling alga Enteromorpha to glass have been measured using a modified water jet apparatus. Surface pressures of approximately 250 kPa were required to quantitatively remove attached spores after 4 h con ...http://www.ntis.gov/search/product.aspx?ABBR=ADA575011At the time of the Deepwater Horizon oil rig explosion, the Loop Current (LC), a warm ocean current in the Gulf of Mexico (GoM), extended to 27.5 N just south of the rig. To measure the regional scale variability of the LC, oceanographic missions wer ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574846The goals of this PI are to understand the physical processes that control the air-sea interaction and its impact on a wide rang of weather and climate systems and improve coupled atmosphere-ocean prediction through development of innovative coupled ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574026The long-term goals of this research are to understand the statistics of acoustic fields in both deep and shallow water ocean environments. The primary objective of this work is the development of accurate, and computationally efficient, reduced-phys ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574824In 2008, a simulation model was developed in the Integrated Performance Modelling Environment (IPME) to evaluate different crew-automation options for naval damage control. This previous work demonstrated the feasibility and value of applying modelli ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574208The United States Navy's Military Sealift Command (MSC) employs its Combat Logistics Force (CLF) to supply the combatant fleet through replenishments at sea (RAS). These RAS events need to be conducted where the combatant fleet operates. The Replenis ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574675The shallow (approx. 50 m) Chukchi shelf extends approx. 800 km northward from Bering Strait to the shelfbreak along the 200 m isobath. Present understanding of the shelf circulation is based upon the distribution of hydrographic properties collected ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108338We describe the results of a multi-year investigation of the circulation and hydrography of the northeast Chukchi Sea involving shore-based, high frequency radars (HFR), moorings, and gliders (also known as autonomous underwater vehicles). HFR operat ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108325The long-term goal of this project is to develop fecal hormone assays to assess stress responses in Blainville s beaked whales (Mesoplodon densirostris) and sperm whales (Physeter macrocephalus) inhabiting the northern Bahamas. These species were cho ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573793Tsunami preparedness is crucial for saving human lives in case of disasters that involve massive water movement. In this work, we develop a framework for visual assessment of tsunami preparedness of geographies. Shallow water equations (also called S ...http://www.ntis.gov/search/product.aspx?ABBR=N20130008672The proposed research will address the fundamental theoretical issue of noise compensation mechanisms in the vocal communication of marine mammals. Noise compensation mechanisms are important for improving signal transmission with an energy limited s ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573678The overall objective of the research is to construct through data assimilation a 'synthetic' ocean simultaneously consistent with the model dynamics and the observations, having both realistic global behavior and local fine-scale evolutions. Two maj ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573726Propagation and reverberation of acoustic fields in shallow water depend strongly on the spatial variability of seabed geoacoustic parameters, and lack of knowledge of seabed variability is often a limiting factor in acoustic modeling applications. H ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574834This project investigates the social ecology and baseline behavior of pilot whales, and responses to controlled exposures of anthropogenic and natural sounds. The ultimate goal is to understand responses of different cetacean taxa to naval sonar, whi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573923Years of sediment accumulation and abnormally dry conditions in the Midwest in 1999 and 2000 led to the water level decline of many water-supply lakes in Missouri, and caused renewed interest in modernizing outdated area/volume tables for these lakes ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108211The principle goal of this project was to study responses of Cuvier s beaked whales (Ziphius cavirostris) to MFA sonar signals. A secondary goal of conducting a killer whale playback that has not been preceded by a sonar playback (as in Tyack et al. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573924The long-term goal is to advance our understanding of the ecology of bioluminescent organisms and the mechanisms governing the temporal and depth-dependent variability of bioluminescence in the coastal ocean. With improvements in technology, finer-sc ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574427The overarching goal of project N000141110432 is to utilize novel biomarkers to examine whether significant sublethal responses to sonar-type sounds occur in bottlenose dolphins exposed to such sounds. The collaborators will use immune function marke ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573927The management and depletion of O2 stores underlie the dive capacities of marine mammals and are fundamental to the concept of an aerobic dive limit (ADL, dive duration associated with the onset of post-dive blood accumulation). The ADL, which is oft ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573787Task 1: Blue Whales Behavioral Response Study The behavioral response of large whales to commercial shipping and other low-frequency anthropogenic sound is not well understood. The PCAD model (NRC 2005) for assessing sound impacts on marine mammals c ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573677A Bluetooth based 'power node' has been developed for monitoring and controlling power systems on board US Navy Vessels. For this application a 'power node' is defined as an electronic system, which collects information from many sensors and makes ap ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574996Our overarching goal is to develop indicators and methods to quantify chronic stress in bottlenose dolphins. Much research has focused on the stimuli which induce stress in marine mammals, as well as the hormonal mediators of the stress response. Str ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573796Our overarching goal is to develop indicators and methods to quantify chronic stress in bottlenose dolphins. Much research has focused on the stimuli which induce stress in marine mammals, as well as the hormonal mediators of the stress response. Str ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573926The Department of the Interior established the Bureau of Ocean Energy Management (BOEM) effective October 1, 2011, following a comprehensive re-organization and reform of offshore energy oversight functions in the wake of the Deepwater Horizon oil sp ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108118Since BSEEs establishment on October 1, 2011, we have been working to institutionalize the regulatory reforms put into place during the aftermath of the 2010 Deepwater Horizon explosion and oil spill, and fully establish the new Bureau. The President ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108119This is a new project that started in January 2012 and the long-term goals are the application and refinement of population density estimation methods based on detections of marine mammal vocalizations and propagation modeling. The density estimation ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573914In the Golden Gate (San Francisco) inlet, tidal currents are dominant and have complex spatial and temporal variations owing to the large size of estuary connected through the narrow channel and the shallow ebb shoal (bar) at the mouth. To capture su ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573936Several of the current methods for density estimation of cetaceans using passive fixed acoustics rely on large, dense arrays of cabled hydrophones and/or auxiliary information from animal tagging projects conducted at the same time as the acoustic su ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573917The long-term goal of this project is to continue to provide support (e.g., consultation, code updates, training, data transfer, etc.) for those users of the Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS 1) who obtain the system throug ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574584Our long-term goal is to make significant advances to coastal and nearshore wave modeling through improved understanding of coastal and nearshore wave transformation processes. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574177In this thesis, we designed, simulated, and analyzed a wireless communications system for an autonomous unmanned vehicle system. The system used for the design context is the Unmanned Vehicle (UV) Sentry, which is a system of autonomous unmanned vehi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574501At the direction of the Secretary of the Navy (SECNAV), the Naval Postgraduate School (NPS) leverages its long-standing experience and expertise in the research and education of robotics and unmanned systems (UxS) to support the Navy s mission. The C ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573898The overall goal of this work is to refine and validate a spectrum- matching and look-up-table (LUT) technique for rapidly inverting remotely sensed hyperspectral reflectances to extract environmental information such as water-column optical properti ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574426We are investigating the potential correlation between fin whale tracks, enhanced zooplankton concentrations and hydrothermal vents above the Juan de Fuca Ridge. Our goal is to understand the influences of globally distributed hydrothermal plumes on ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574043Our ability to predict weather and sea ice conditions requires in situ observations of surface meteorology and ice motion. These observations are assimilated into Numerical Weather Prediction (NWP) models that are used to forecast weather on synoptic ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574646The Coupled Ocean/Atmosphere Mesoscale Prediction System (COAMPS) Version 5.0 is a fully coupled, data assimilative model which consists of the atmospheric model (COAMPS), coupled to the Navy Coastal Ocean Model (NCOM), and the Simulating Waves Nears ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574542Our long-term goal is to develop a coupled ocean-atmosphere model that has significant and quantified skill in predicting the evolution of Madden- Julian Oscillations (MJO s), which is highly relevant to ONR long-term objectives. This requires develo ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574079Our long-term goal is to develop a coupled ocean-atmosphere model that has significant and quantified skill in predicting the evolution of Madden- Julian Oscillations (MJO s), which is highly relevant to ONR long-term objectives. This requires develo ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574109This project will contribute to our understanding of oxygen management and the underlying physiological mechanisms of oxygen management in marine mammals. This information is essential if we are to interpret and understand the limits of dive performa ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573788Over the next couple of years, maintenance work available to the ship repair industrial base supporting Naval Station Mayport is expected to decrease. Section 1017 of the National Defense Authorization Act for Fiscal Year 2012 required the Navy to an ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013107733This report discusses development of a preliminary computer model to help establish mission avoidance zones in the Eglin Gulf Test and Training Range (EGTTR), an overwater range of Eglin Air Force Base (AFB). These zones are being developed to protec ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574885The long-term goal of this effort is to produce a resource to educate the public on the basic science of sound in the sea and how it is used to communicate, navigate, and explore the oceans. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573904The long-term objective is to contribute to the development of the components of limited area, open boundary, coastal nowcast/forecast systems that will resolve the time and length scales of the relevant physical- biological dynamics in shallow coast ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573797The long-term goals are: (1) To develop a method of modeling sound propagation in an environment with multi-scale inhomogeneities, which preserves the efficiency and intuitive qualities of the ray theory but is free from spurious environmental sensit ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574849The long-term goals of this research project are to develop and use methods to collect passive acoustic data that will improve our understanding of ecology and behavior of minke whales (Balaenoptera acutorostrata) in their presumed breeding habitats ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573674The long-term goal is to use the HYbrid Coordinate Ocean Model (HYCOM) with tides, dynamic sea ice, and data assimilation in an eddy-resolving, fully global ocean prediction system with 1/25 horizontal resolution that will run in real time at the Nav ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574793Predictions of full-scale ship resistance and powering are made for antifouling coating systems with a range of roughness and fouling conditions. The estimates are based on results from laboratory-scale drag measurements and boundary layer similarity ...http://www.ntis.gov/search/product.aspx?ABBR=ADA575004The long-term goals are to develop novel techniques to measure and predict, through modeling, the effect of sound on the marine environment. Modeling includes acoustic sources, propagation and the interaction of sound with animal behavior models. Det ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573798The overall long-term goal for this project is to enhance the Navy's predictive capabilities in uncertain ocean environments. This project is a collaboration with Dr. Robert Zingarelli at the Naval Research Laboratory - Stennis Space Center (NRL-SSC) ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574837The long-term goal is to understand and predict key properties of the signal intensity vector field in forward propagation with emphasis on mid- frequency, shallow water propagation. Because of enabling technologies involving MEMS and bio-inspired tr ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574828Our long term goals are to understand (1) the biological-physical oceanographic characteristics and mechanisms on the shelf near Barrow, AK that together produce a favorable feeding environment for the bowhead whale there and (2) the potential impact ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574605The goal of the ESME Workbench project is to create a general purpose research tool for use by those who wish to study the effects of sound in the marine environment. Two versions of the One Navy Model will be created. The first version will designed ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573670Our goal is to produce a safe and reliable, single-pin satellite-linked tagging system for deployment on small cetaceans over periods of months, with minimal risk of harm to the animals. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574042The long-term goal of this effort is to educate the public on the basic science of sound in the sea, how people and animals use underwater sound to accomplish many of the tasks for which we use light in air, and how sound in the ocean affects marine ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573925CAE Professional Services (Canada) Inc. (CAE PS) was contracted by Defence Research and Development Canada (DRDC) Toronto to conduct work in accordance with a Call-up under Contract Number W7711-068111. The intent of the Call-up was to provide experi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574130The long-term goal is to contribute to validation and increased performance of the Navy air-sea-wave coupled forecasting models and air-sea interaction processes. On the basis of data collected during the DYNAMO project including SeaGlider, R/V Revel ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574107Submarine canyons are dominant features of the outer continental shelf and slope of the U.S. Atlantic coast from Cape Hatteras to the Gulf of Maine. They are important conduits of anthropogenic pollutants, organic carbon, and sediments from shallow t ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108320The growing use of marine composite materials has led to many technical challenges and one is predicting lifetime durability. This analysis step has a large uncertainty due to the lack of data from in-service composite vessels. Analytical models base ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573874The International Panel on Climate Change has identified coastal ecosystems as areas that will be disproportionally affected by climate change. Current sea-level rise projections range widely with 0.57 to 1.9 meters increase in mea sea level by 2100. ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013108489This report is the Five Year Plan of the Naval Submarine Medical Research Laboratory for 1991-1995. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573907The long-term goal of this project is to obtain quantitative understanding of the physical mechanisms governing broadband (50 Hz to 50 kHz) acoustic propagation, reflection, refraction, and scattering in shallow water and coastal regions in the prese ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574797Time and space dependent radiance distributions at the sea surface are a function of the shape of the incident distribution on the surface, modification by the sea surface itself from topography and transmission characteristics, and alteration by the ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574430Given remote and direct physical measurements of a realistic ocean wave-field, we obtain a high-resolution deterministic description of the nonlinear wave-field by integrating the measurements with a phase-resolved wave prediction model including rea ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574248The long-term goal of this project is to improve model-based passive acoustic methods for tracking marine mammals. When possible, tracking results are used to study marine mammal behavior and bioacoustics. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573675The overall goal of this project is to increase the longevity of suction cup attachments for short term archival tags such as the DTAG. Specifically, we are working to extend the routine attachment duration for suction-cup tags to multiple days, if n ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574633We recently developed small satellite-linked telemetry tags that are anchored with small attachment darts to the dorsal fins of small-and medium-sized cetaceans. These Low Impact Minimally-Percutaneous External-electronics Transmitter (LIMPET) tags h ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574598The overall goal of this project is to develop and demonstrate a system for non-invasive in vivo measurement of the complex elastic moduli (stiffnesses and loss factors) of cetacean head tissues. This system is ultimately intended to provide a portab ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573792The long-term goal of this project is to understand the role of the atmosphere-ocean interaction processes in the initiation, maintenance and propagation of Madden Julian Oscillation (MJO). Better grasp of the atmosphere/ocean feedbacks in the Tropic ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574456The long-term goals of the work are to measure the influence of surface wave breaking on imaging across the surface and develop measurements and models of breaking statistics as input to the interpretation and modeling of oceanic radiance measurement ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574184The objectives are: (1) Integration of phenomenological components of the Biot plus grain contact physics models, to reconcile the physical constants and processes, with a view to reducing the number of input variables, (2) a comprehensive model for ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574823The overall top level goal of this effort is to investigate the physiological i.e. neuroimmunoendocrinological responses of beluga whales to 'stressors'. 'Stressor events' will allow for a better understanding and characterization of the relationship ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573795The goal of this project is to improve our ability to predict the behavioral response of beaked whales to mid-frequency active (MFA) sonar, by making better use of data already collected, or being collected as part of other projects. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573916Modern fleet security requires accurate threat analysis in real-time, which relies on a range of contextual information (e.g., vessel size, speed, heading, etc.). Rich contextualization may be possible using imaging systems if the images can be used ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574666My long term goals are the exploitation of physics for the solution of significant problems in oceanography. My interests generally lie in the direction of optics and laser interactions in the ocean. Our goal is the rapid and accurate measurement of ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574200Our long-term goal is to understand the ecology of phytoplankton inhabiting coastal shelves, upwelling areas, fjords and banks. We are especially interested in ways in which species-specific properties, including colony size and shape (diatoms) and m ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574428In December 2000, Program Budget Decision (PBD) 096 changed the way the Department of the Navy (DoN) budgets for Arabian Gulf operations. The cost of operations is now required to be submitted as part of the annual budget vice funded as contingency o ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574169Synthetic Aperture Radar (SAR) imagery has shown great promise for depicting the vast array of phenomena that govern the behavior of the ocean mixed layer and marine atmospheric boundary layer (MABL). (Alpers et al. 1981; Beal et al. 1981; Vesecky an ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574198Marine Mammal sensory systems have evolved to effectively use acoustic energy in the oceans. Our objectives are to develop a basic understanding of hearing and echolocation so that knowledge can then be applied to the solution of practical problems a ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573672The Maury Project is an oceanography-based, graduate-level, teacher professional development program designed to promote the scientific literacy of young people by improving the background of pre-college teachers on the physical foundations of oceano ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574112Observations along 26.5 deg N are used to examine the time mean structure of the Atlantic meridional overturning circulation (AMOC) in eddy- resolving simulations with the Hybrid Coordinate Ocean Model (HYCOM). The model results yield a 5 year mean A ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574851My long-term research goals are: (1) The characterization, understanding, and prediction of the statistics (mean, variance and coherence) of low-frequency acoustic signals and ambient noise in the littoral zone. The signal statistics are primarily in ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574815The long-term goal is to substantially enhance our quantitative understanding of the response of marine mammals to navy sonar and other acoustic stimuli, by maximizing the information gain from Behavioural Response Studies (BRSs). We aim to develop a ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573918Hyperspectral data has become a critical tool for use by military analysts and planners. The capture of fine spectral information enables the generation of information products which could not be produced using traditional imaging means. The challeng ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574429The long-term goal of this work is to better understand and model reverberation, target echo, and clutter in shallow water environments, and to develop techniques for Rapid Environmental Assessment (REA) and environmentally adaptive sonar. The curren ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574838A kinematic and dynamic model for a three degree-of-freedom surf zone robot is developed and tested with a physical test platform and with a simulated robot in Robot Operating System. Derived from Lagrangian mechanics and relying on angular wheel vel ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574011LONG-TERM GOALS: To accurately describe the statistics of acoustic echoes due to the presence of fish, especially in the case of a long-range active sonar. Toward this goal, fundamental advances in the understanding of fish behavior, especially in ag ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573915Ocean waves are an important aspect of upper ocean dynamics, in particular on the shallow continental shelves and in coastal areas. The long- term objective of this work is to advance modeling capability in such coastal areas by improving model repre ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574628The long-term goal is to ensure that Navy capabilities for a new generation of sea surface temperature products are coordinated with and benefitting from international research and development embodied by the Group for High Resolution Sea Surface Tem ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574626The focus of this research is on how to incorporate an understanding of short-term variability in the oceanographic environment and source/receiver motion into the design and performance characterization of underwater acoustic, diversity-exploiting, ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574869When surface flow impinges on orography with horizontal scales of1- 500 km, a variety of mesoscale dynamical responses can result, including gravity waves, upstream blocking, flow splitting and lee vortices. These dynamics produce important drag forc ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574451Motivated by the ubiquity of time series in oceanic data, the relative lack of studies of geostrophic turbulence in the frequency domain, and the interest in quantifying the contributions of intrinsic nonlinearities to oceanic frequency spectra, this ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574696The long-term goal of this research is the development of new numerical tools for obtaining the fast nonlinear Fourier transform of shallow- water ocean surface waves. These methods are based upon the inverse scattering transform (IST) a modern metho ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574922The long-term goal is the development of accurate and fast advanced statistical and dynamical nonlinear models of ocean surface waves, based on first physical principles, which will improve and accelerate both long term ocean surface waves forecasts ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574643First, maritime homeland security amounts to an unfunded mandate imposed by the federal government on state and local governments, and on the many maritime terminal and Port Authorities. Transformation of port and shipping operations to account for t ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574378NRL is the Department of the Navy's corporate laboratory; it is under the command of the Chief of Naval Research (CNR). As the corporate laboratory of the Navy, NRL is an important component in the Office of Naval Research's effort to meet its scient ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573877The Naval Research Laboratory is the Department of the Navy's corporate laboratory; it is under the command of the Chief of Naval Research (CNR). As the corporate laboratory of the Navy, NRL is an important component in the Office of Naval Research's ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573875The mission of the Naval Research Laboratory is to conduct a broadly based, multidisciplinary program of scientific research and advanced technological development directed toward new and improved materials, equipment, techniques, systems, and relate ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573785The mission of the Naval Research Laboratory is to conduct a broadly based, multidisciplinary program of scientific research and advanced technological development directed toward new and improved materials, equipment, techniques, systems, and relate ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573794The mission of the Naval Research Laboratory is to conduct a broadly based, multidisciplinary program of scientific research and advanced technological development directed toward new and improved materials, equipment, techniques, systems, and relate ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573799The mission of the Naval Research Laboratory is to conduct a broadly based, multidisciplinary program of scientific research and advanced technological development directed toward new and improved materials, equipment, techniques, systems, and relate ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573800The mission of the Naval Research Laboratory is to conduct a broadly based, multidisciplinary program of scientific research and advanced technological development directed toward new and improved materials, equipment, techniques, systems, and relate ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573802The Naval Research Laboratory (NRL) is the principal in-house research laboratory under the command of the Chief of Naval Research (CNR). As the corporate research laboratory of the Navy, NRL is an important component in the Office of Naval Research' ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573803The Naval Research Laboratory (NRL) is the principal in-house research laboratory under the command of the Chief of Naval Research (CNR). As the corporate research laboratory of the Navy, NRL is an important component in the Office of the Chief of Na ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573852The Naval Research Laboratory (NRL) was officially established on July 2, 1923, as the Naval Experimental and Research Laboratory. NRL still occupies its original site on the banks of the Potomac River in the southwest sector of Washington, D.C. Over ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573784The Naval Research Laboratory (NRL) was officially established on July 2, 1923, as the Naval Experimental and Research Laboratory. NRL still occupies its original site on the banks of the Potomac River in the southwest sector of Washington, D.C. Over ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573908The Naval Research Laboratory (NRL) was officially established on July 2, 1923, as the Naval Experimental and Research Laboratory. NRL still occupies its original site on the banks of the Potomac River in the southwest sector of Washington, D.C. Over ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573909The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573770The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573773The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573774The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573777The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573783The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573845The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573846The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573850The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573854The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that advancements in science and engineering could be readily applied to the Navy's need ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573871The Naval Research Laboratory is one of the principal in-house research and development institutions of the U.S. Government. It was established in 1923 to ensure that the advances made by science and engineering could be readily applied to the Navy's ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573766The Naval Research Laboratory is the Department of the Navy's corporate laboratory; it is under the command of the Chief of Naval Research (CNR). As the corporate laboratory of the Navy, NRL is the principle in-house component in the Office of Naval ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573864Random variability in shallow water will induce variability in a propagating acoustic field. The general long-term goal of this research is to quantify how random variability in the ocean environment translates into random variability in the acoustic ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573905The long-term goal is to gain a more complete understanding of ocean dynamical processes, particularly at fine-scale, through comparison of high, mid- and low-latitude observations, near the sea surface, in the main thermocline, and near the sea floo ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574094We have the long term goals of understanding several aspects of passive and active sonar performance in the Philippine Sea when there is a robust environmental characterization of the sea floor and water column plus accurate source/receiver positions ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574800This Coastal and Hydraulic Engineering Technical Note (CHETN) provides information on the long-term structural performance of selected concrete-armored navigation structures to their environment. Inspections of coastal structures at Ofu Harbor, Ameri ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574933Our long-term interests involve the possibility that biological activity can influence acoustic scattering at the water column-seabed interface and the propagation of sound in and over a sandy substrate in a shallow-water, coastal, marine environment ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573791Pinnipeds (seals, sea lions, and walruses) are amphibious marine mammals that are susceptible to coastal anthropogenic noise. The long-term goals of this effort are to improve understanding of (1) the sound detection capabilities of several pinniped ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573790We intend to quantify the biological, physical, and chemical dynamics that structure marine planktonic ecosystems. Observations of the organisms and their environment on the spatial and temporal scales that characterize their interactions, combined w ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574182Our long-term scientific goal is to understand the basic physics of low-frequency long-range sound propagation in the ocean, and the effects of environmental variability on signal stability and coherence. We seek to understand the fundamental limits ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574803The primary goal of these studies is to investigate the relative vulnerability of marine mammals to acoustically mediated trauma from emboli formation. By evaluating key environmental, behavioral and physiological factors involved in the movement of ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574044The physical and biological characteristics of the areas inhabited by deep diving odontocetes are poorly understood. Our long term goals are: i) to measure and characterize the biomass in areas and at depths inhabited by beaked and sperm whales; ii) ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573676Our long-term goal is to develop the capability to predict thin layer formation and presence in the coastal ocean. The central focus of our research is to investigate: the spatial and temporal scales of thin layers, the relationship between physical ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574183The goal of this research is to develop a mechanistic understanding and predictive capability of how biological processes affect plankton patch formation, persistence and decline. This goal will be addressed by concurrent characterization of the phys ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574185The field of view of EPIC Multitarget Radiance (radiometer) (EML) (radiance) instruments used for OSPREy applications, specified here in terms of the full view angle (FVA), must be optimized to accurately measure a variety of different radiometric so ...http://www.ntis.gov/search/product.aspx?ABBR=N20130003504The outer New Jersey shelf has, over the past 25+ years, evolved into a premier natural laboratory for Office of Naval Research efforts to understand the geology and the acoustic response of the seabed in shallow water environments. In great measure ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574860This Regulation is authorized by DoD Instruction 4715.6, Environmental Compliance, April 24, 1996 (reference a). This Regulation implements Section 312(d) of the Clean Water Act (Section 1322 of title 33, United States Code U.S.C. reference b) by iss ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574924LONG-TERM GOALS: To develop and instrumentation package in order to examine the hearing of as many marine mammals and species as possible in order to develop an understanding of the normal hearing capabilities of marine mammals. To advance the techno ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573671The Submarine Arctic Science Program, SCICEX, is a federal interagency collaboration among the operational Navy, research agencies, and the marine research community to use nuclear-powered submarines for scientific studies of the Arctic Ocean. The SC ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574627The seasonal variation of Indonesian Throughflow (ITF) transport is investigated using ocean general circulation model experiments with the Hybrid Coordinate Ocean Model (HYCOM). Twenty-eight years (1981-2008) of 1/3 deg Indo- Pacific basin HYCOM sim ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574536Work on the hearing of animals while they echolocate (Supin et al, 2008: Nachtigall et al 2008) has demonstrated that hearing sensitivity changes with echolocation condition. False killer whales, bottlenose dolphins (Li et al, 2012) and harbor porpoi ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573673This is a qualitative and quantitative study of the semi-submersible drug-trafficking network operating out of Colombia's Pacific coast. The study combines both of these approaches to provide strategic options for kinetic, non-kinetic, and combined o ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574227The development of new geoacoustic inversion methods, their use in the analysis of shallow water experimental data, and evaluation of geoacoustic model and parameter uncertainties including the mapping of these uncertainties through to system perform ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574847No abstract available. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574618The SecondWind Triton is a SODAR (SOnic Detection And Ranging) sonic wind profiler (Triton sodar) system capable of profiling the wind characteristics up to 200m above the instrument. SODAR systems transmit acoustic chirps into the atmosphere and mea ...http://www.ntis.gov/search/product.aspx?ABBR=DE20131076960One research goal developed from conducted shallow water (SW) acoustic transmission experiments in sandy-silty areas revealed a nonlinear power law frequency-dependent attenuation at lower frequencies consistent with results reviewed in 2,3 the obser ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573906LONG-TERM GOALS: To develop and validate a regional and global nowcast capability for ocean noise. The ambient noise field is, of course, a key part of the marine mammal habitat, and in turn can inform regulatory decisions by conservationists. ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573789A common problem with modern numerical oceanographic models is spatial displacement, including misplacement and misshapenness of ocean circulation features. Traditional error metrics, such as least squares methods, are ineffective in many such cases; ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574637The long term goals of this research are to understand the statistics of acoustic fields in deep water ocean environments. At long ranges, broadband receptions consist of early ray-like arrivals and a finale that is best described in terms of the low ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574807The long term goal of this research is to provide a unified statistical theory for ocean-acoustic measurements made after stochastic propagation and scattering that accounts for both the temporal and spatial coherence of the received field. Such a th ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574861LONG-TERM GOALS: To build an ecological modeling framework that facilitates understanding of the at-sea condition and health of various species of marine mammals. This project will develop statistical tools to allow mathematical models of the populat ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573920Our research vision is to develop and transform ocean modeling and data assimilation to quantify regional ocean dynamics on multiple scales. Our group creates and utilizes new models and methods for multiscale modeling, uncertainty quantification, da ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574631Long-term objectives are to assess the generation, evolution and breakdown of oceanic small-scale processes and how these contribute to larger-scale dynamics. A particular goal is to quantify the effects of such processes on mixing the ocean, both in ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574114While atypical mass strandings of beaked whales have been linked to naval exercises using mid-frequency sonar, the causal chain of events from sound exposure to stranding has not been elucidated. We now know that beaked whales react strongly to sonar ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573922The second Goddard workshop on thermosphere dynamics was held at the Ramada Inn in nearby Calverton, Maryland during October 3-5, 1984. Much of the discussion at the workshop involved the measurements from the Dynamics Explorer spacecraft (DE-1 and D ...http://www.ntis.gov/search/product.aspx?ABBR=ADA573910Section 303(d) of the federal Clean Water Act (CWA) directs states to identify and list waters, known as water quality limited segments (WQLSs), where current, required controls of a specified substance are inadequate to achieve water quality standar ...http://www.ntis.gov/search/product.aspx?ABBR=PB2013107856Long-term goals are: (a) To provide an accurate, efficient, computational model (two-scale approximation, TSA) for the 4-wave interactions, in operational wave forecast models, suitable for global, basin and coastal scale applications, and able to tr ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574636Scalar exchange between the atmosphere and ocean. This is particularly important at high winds since air-sea coupling controls tropical cyclone (hurricane) formation and intensity. There is large uncertainty in the bulk momentum and heat surface exch ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574611The long-term goal of this project is to improve physical parameterizations of the coupled model. The NPS project has two components, one is to use previous aircraft measurements from the Gulf of Tehuantepec (GoT) and the coupled COAMPS/NCOM to exami ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574571The long-term goal of this work is to understand the sources and nature of marine aerosol particles and how they influence visibility, cloud properties, the thermodynamic structure of the marine boundary layer, and the transmission of radiation. The ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574077Beginning in 2006, the Indian Ocean experienced climatologically anomalous conditions due to large-scale coupled air-sea interactions that influenced the surface circulation of the equatorial Indian Ocean. Here we present evidence from observations a ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574543Our goal is to better understand physics of the air-sea interface including ocean wave generation, wave propagation, and air-sea fluxes. The potential to generate deterministic descriptions of the ocean s surface at elevated sea states using both mod ...http://www.ntis.gov/search/product.aspx?ABBR=ADA574656