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PROJECT HIGHLIGHTS

Investment Area: Data to Support Risk Threshold Criteria
Marine Mammal Monitoring on Ranges (Project #LMR-12-1)
Principal Investigator: David Moretti

This project is automated passive acoustic marine mammal detection, localization, classification, and display tools and integrated visual and satellite monitoring methods that will enable in-situ visual cetacean monitoring data.

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SOCAL Behavioral Response Study (Project #LMR-13-2)
Principal Investigator: John Calambokidis and Brandon Southall

This project is designed to increase understanding of marine mammal reactions to sound and provide a more robust scientific basis for estimating the effect of Navy mid-frequency active sonar (MFAS) on marine mammal behavior. Project co-funded by ONR and SERDP.

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Electrophysiological Correlates of Subjective Loudness in Marine Mammals (Project # LMR-14-9)
Principal Investigator: Jim Finneran

This project will attempt to find a correlation between specific features of auditory evoked potentials (AEPs) and perceived loudness in marine mammals to define weighting functions, which will help to identify frequencies where auditory sensitivity is high and allow more individuals/species to be directly tested.

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Audiograms of Hearing in Baleen Whales: A Model System for Mitigating Sound Impacts (Project #LMR-15-11)
Principal Investigator: Darlene Ketten

This project seeks to produce a model audiogram (graphic representation) depicting the standard threshold for hearing frequencies in baleen and beaked whales.

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Behavioral Audiometry in Multiple Killer Whales (Project #LMR-15-14)
Principal Investigator: Brian Branstetter

The study will provide the first demographic hearing data from killer whales by measuring behavioral audiograms for animals of multiple ages.

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Behavioral Dose-Response Relationship and TTS in Harbor Porpoises (Project #LMR-15-20)
Principal Investigator: Ron Kastelein

This project is working to establish a behavioral dose–response relationship for sonar signals around 3 kHz in harbor porpoises.

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Extended Duration Acoustic Tagging of Right Whales (Project #LMR-16-21)
Principal Investigator: Susan Parks

This project is testing a new longer-lasting attachment method for digital tags.

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Hearing and Estimated Acoustic Impacts in Three Species of Auk: Implications for the Marbled Murrelet (Project #LMR-16-22)
Principal Investigator: Aran Mooney

This project is measuring the hearing of up to three Auk species to provide key hearing data needed to define acoustic criteria for the marbled murrelet.

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Cuvier’s Beaked Whale and Fin Whale Behavior During Military Sonar Operations: Using Medium-term Tag Technology to Develop Empirical Risk Functions (Project #LMR-16-23)
Principal Investigators: Greg Schorr, Erin Falcone

The effort will generate significantly larger samples of high-resolution behavioral data, particularly for beaked whales, to support development of risk functions.

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Frequency-dependent Growth and Recovery of TTS in Bottlenose Dolphins (Project #LMR-16-24)
Principal Investigator: James Finneran

The data that results from this effort will help to define weighting functions and Temporary Threshold Shift/Permanent Threshold Shift values for mid-frequency cetaceans.

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A Blainville’s Beaked Whale Behavioral Risk Function for Hawaiian Populations (Project #LMR-16-25)
Principal Investigators: David Moretti, Len Thomas

This effort will result in the publication of the first behavioral risk function for the Blainville’s beaked whale at the Pacific Missile Range Facility.

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The Effects of Underwater Explosions on Fish (Project #LMR-16-26)
Principal Investigator: Peter Dahl

The results from this project will help to predict potential effects to fish that may occur during Navy explosives training activities.

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High Fidelity Acoustic and Fine-scale Movement Tags (Project #LMR-16-27)
Principal Investigator: Alex Shorter

This project will build new generation digital tags (DTAG-3s) to be field-tested during upcoming behavioral response studies.

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Investment Area: Improved Collection and Processing of Protected Species Data in Areas of Navy Interest
Simple Performance-characterized Automatic Detection of Marine Mammal Sounds (Project #LMR-14-3)
Principal Investigator: Dave Mellinger

This project is developing user interfaces and training courses to facilitate usage of the Ishmael signal processing toolkit by Navy staff and contractors, reducing the need for expensive external expert staffing.

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Developing Automated Whistle and Click Detectors and Classifiers for Odontocete Species (Project #LMR-14-5)
Principal Investigator: Julie Oswald

This project is a follow up to a successful demonstration of an improved Real-time Odontocete Call Classification Algorithm (ROCCA) dolphin acoustic classifier with tailored regional applications at Navy sites of interest. Project co-funded by ONR.

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Improving the Navy’s Automated Methods for Passive Underwater Acoustic Monitoring of Marine Mammals (Project #LMR-14-8)
Principal Investigator: Tyler Helble

This project is developing a suite of automated signal conditioning tools for normalizing data sets from different ambient acoustic regimes prior to submitting such data to standardized automated signal processing systems.

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Passive Acoustic Density Estimation of Baleen Whales: Using Sonobuoys to Estimate Call-Rate Correction Factors (Project #LMR-15-16)
Principal Investigator: Shannon Rankin

This project team is estimating the density of calls (number of calls per unit area per unit time) for several baleen whale species using sonobuoys.

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Blue and Fin Whale Density Estimation in the Southern California Offshore Range Using PAM Data (Project #LMR-15-17)
Principal Investigator: Ana Sirovic

This team will combine point transect methodology with available passive acoustic monitoring data to create population density estimates of calling blue and fin whales.

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DECAF-TEA: Density Estimation for Cetaceans from Acoustic Fixed Sensors in Testing and Evaluation Areas (Project #LMR-15-19)
Principal Investigator: Len Thomas

The goal of this project is to demonstrate and validate a method for passive acoustic density estimation for cetaceans by combining data from instrumented and non-instrumented ranges.

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Investment Area: Monitoring and Mitigation Technology Demonstrations
Demonstration of High-performance PAM Glider and Profiler Float (Project #LMR-14-4)
Principal Investigator: Haru Matsumoto

This project is comparing two new alternative PAM technologies (gliders and drifting floating systems) to assess cost and performance relative to existing Navy PAM systems (moored and towed systems).

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Technology Demonstration for Navy Passive Acoustic Monitoring (Project #LMR-14-7)
Principal Investigator: John Hildebrand

This project is developing and demonstrating improvements to the High-frequency Acoustic Recording Package (HARP) moored PAM systems widely used by Navy for monitoring compliance, and then compare the updated HARP system with other comparable PAM systems for cost and performance.

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Integrated Real-time Autonomous Passive Acoustic Monitoring System (Project #LMR-14-12)
Principal Investigator: Phil Abbot

This project is demonstrating the potential for a powered autonomous underwater vehicle to provide reduced-cost and improved coverage of acoustic monitoring and survey capabilities for Navy at-sea activities.

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Passive Acoustic Monitoring of Baleen Whales from Autonomous Platforms
Principal Investigators: Cara Hotchkin, Sofie Van Parijs, and Mark Baumgartner

Demonstrating the operational capability of autonomous platforms (waveglider, slocum glider, and moored buoy) to conduct long-term, large-scale, near real-time passive acoustic monitoring for endangered baleen whales. Project co-funded by ESTCP and NEFSC.
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Proposed ASA Standards on Towed Passive Acoustic Monitoring and Mitigation Systems (Project #LMR-16-28)
Principal Investigator: Aaron Thode

This project would help to support development of an American National Standard on towed cabled PAM systems and operations for monitoring and mitigation.

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Investment Area: Standards and Metrics
Database and Metrics for Testing Automated Signal Processing for Passive Acoustic Monitoring (Project #LMR-14-6)
Principal Investigator: John Hildebrand

This project is developing and maintaining a test data set for assessing new PAM signal processing systems to generate cost and performance metrics for new signal processing tools under consideration.

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Standardization of AEP Audiometry Methods to Ensure Comparable Data Inclusion in a National Marine Mammal AEP Database (Project #LMR-15-13)
Principal Investigator: Dorian Houser

This project team seeks to standardize data collection approaches for measuring hearing thresholds in cetaceans.

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Jawphone Simulations to Maximize the Utility of Psychoacoustic and Auditory Evoked Potential Experiments (Project #LMR-15-15)
Principal Investigator: Ted Cranford

This project seeks to correct the uncertainty and errors involved with jawphone placement during auditory testing on marine mammals.

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Acoustic Metadata Management for Navy Fleet Operations (Project #LMR-15-18)
Principal Investigator: Marie Roch

This project is creating an improved data collection platform technology to meet monitoring requirements.

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Investment Area: Education, Outreach and Emergent Opportunities
The Effects of Noise on Marine Mammals: Progress Since 1995 (Project #LMR-14-10)
Principal Investigator: Christine Erbe

This project is generating an updated review of the scientific information relevant to hearing in marine mammals and the effects of underwater sound. Project co-funded by ONR, JIP, and NMFS.

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Partnership Projects
Autonomous Real-Time Passive Acoustic Monitoring of Baleen Whales for Mitigating Interactions with Naval Activities
Principal Investigators: Cara Hotchkin, Mark Baumgartner, Sofie Van Parijs

This project will demonstrate, on three autonomous platforms, a combined passive acoustic detection and classification hardware/software system that is capable of detecting the calls of four species of endangered baleen whales in near real time. The project is a partnership between the LMR program and Environmental Security Technology Certification Program.

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