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Megan S. Ballard
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Journal Articles

Passive acoustic estimates of sound speed from vertical line array data in the Nordic Seas

Editor’s PickOpen Access
Robert T. Taylor, Megan S. Ballard, Jason D. Sagers, Leah Johnson, Harper Simmons
Journal: JASA Express Letters
JASA Express Lett. 5, 070801 (2025)
https://doi.org/10.1121/10.0037103
Published: July 2025
View article titled, Passive acoustic estimates of sound speed from vertical line array data in the Nordic Seas
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Journal Articles

Acoustic characterization of the New England Seamounts region

Open Access
Robert T. Taylor, Megan S. Ballard, John W. Hartman
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 157, 2671–2686 (2025)
https://doi.org/10.1121/10.0036224
Published: April 2025
View article titled, Acoustic characterization of the New England Seamounts region
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Journal Articles

Investigation of surficial seabed heterogeneity and geoacoustic variability in the New England Mud Patch

Free
Kevin M. Lee, Kelly M. Dorgan, Gabriel R. Venegas, Jason D. Chaytor, Megan S. Ballard, Andrew R. McNeese, Preston S. Wilson
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 157, 1686–1702 (2025)
https://doi.org/10.1121/10.0036122
Published: March 2025
View article titled, Investigation of surficial seabed heterogeneity and geoacoustic variability in the New England Mud Patch
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Journal Articles

Salinity dependent settling behavior and rigidity of reconstituted water-saturated kaolinite sediments

Free
Alicia Casacchia, Megan S. Ballard, Kevin M. Lee, Preston S. Wilson, Nicholas P. Chotiros
Journal: Proceedings of Meetings on Acoustics
Proc. Mtgs. Acoust. 54, 070006 (2024)
https://doi.org/10.1121/2.0002011
Published: March 2025
View article titled, Salinity dependent settling behavior and rigidity of reconstituted water-saturated kaolinite sediments
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Journal Articles

Evaluating the directivity of compact underwater acoustic recording devices

Free
Robert T. Taylor, Megan S. Ballard, Colby W. Cushing, Kevin M. Lee, Andrew R. McNeese, Preston S. Wilson, Julien Bonnel, Daniel P. Zitterbart
Journal: Proceedings of Meetings on Acoustics
Proc. Mtgs. Acoust. 54, 070005 (2024)
https://doi.org/10.1121/2.0001995
Published: January 2025
View article titled, Evaluating the directivity of compact underwater acoustic recording devices
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Journal Articles

A multi-year study of acoustic propagation and ambient sound in a Thalassia testudinum seagrass meadow in a shallow sub-tropical lagoon

Open Access
Megan S. Ballard, Kevin M. Lee, Kyle A. Capistrant-Fossa, Andrew R. McNeese, Colby W. Cushing, Thomas S. Jerome, Robert T. Taylor, Kenneth H. Dunton, Preston S. Wilson
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 156, 3039–3055 (2024)
https://doi.org/10.1121/10.0034243
Published: November 2024
View article titled, A multi-year study of acoustic propagation and ambient sound in a Thalassia testudinum seagrass meadow in a shallow sub-tropical lagoon
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Journal Articles

Direct measurements of sediment geoacoustic properties in the New England Mud Patch and shelf break

Free
Megan S. Ballard, Dante D. Garcia, Kevin M. Lee, Gabriel R. Venegas, Andrew R. McNeese, Preston S. Wilson, Jason D. Chaytor
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 156, 2889–2902 (2024)
https://doi.org/10.1121/10.0032469
Published: October 2024
View article titled, Direct measurements of sediment geoacoustic properties in the New England Mud Patch and shelf break
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Journal Articles

In situ shear wave speed measurements from the New England Mud Patch using the Acoustic Coring System

Free
Dante D. Garcia, Megan S. Ballard, Kevin M. Lee, Preston S. Wilson, Andrew R. McNeese
Journal: Proceedings of Meetings on Acoustics
Proc. Mtgs. Acoust. 52, 070003 (2023)
https://doi.org/10.1121/2.0001903
Published: July 2024
View article titled, In situ shear wave speed measurements from the New England Mud Patch using the Acoustic Coring System
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Journal Articles

In situ compressional wave speed measurements from the New England Mud Patch using the Acoustic Coring System

Free
Dante D. Garcia, Megan S. Ballard, Kevin M. Lee, Preston S. Wilson, Andrew R. McNeese, Gabriel Venegas
Journal: Proceedings of Meetings on Acoustics
Proc. Mtgs. Acoust. 51, 070004 (2023)
https://doi.org/10.1121/2.0001893
Published: May 2024
View article titled, In situ compressional wave speed measurements from the New England Mud Patch using the Acoustic Coring System
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Journal Articles

Trans-dimensional inversion for seafloor properties for three mud depocenters on the New England shelf under dynamical oceanographic conditions

Open Access
Julien Bonnel, Stan E. Dosso, William S. Hodgkiss, Megan S. Ballard, Dante D. Garcia, Kevin M. Lee, Andrew R. McNeese, Preston S. Wilson
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 155, 1825–1839 (2024)
https://doi.org/10.1121/10.0025176
Published: March 2024
View article titled, Trans-dimensional inversion for seafloor properties for three mud depocenters on the New England shelf under dynamical oceanographic conditions
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Journal Articles

Effective medium modeling of acoustic propagation in a seagrass meadow

Free
Thomas S. Jerome, Megan S. Ballard, Kevin M. Lee, Colby W. Cushing, Kyle A. Capistrant-Fossa, Andrew R. McNeese, Preston S. Wilson, Kenneth H. Dunton
Journal: Proceedings of Meetings on Acoustics
Proc. Mtgs. Acoust. 51, 010003 (2023)
https://doi.org/10.1121/2.0001839
Published: February 2024
View article titled, Effective medium modeling of acoustic propagation in a seagrass meadow
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Journal Articles

Out-of-plane arrivals recorded by drifting hydrophones during the Northern Ocean Rapid Surface Evolution Experiment

Available to Purchase
Megan S. Ballard, Jason D. Sagers, Pierre-Marie Poulain, Jennifer Mackinnon, Andrew J. Lucas, Alejandra Sanchez-Rios
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 154, 2757–2768 (2023)
https://doi.org/10.1121/10.0022052
Published: November 2023
View article titled, Out-of-plane arrivals recorded by drifting hydrophones during the Northern Ocean Rapid Surface Evolution Experiment
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Journal Articles

Evaluating machine learning architectures for sound event detection for signals with variable signal-to-noise-ratios in the Beaufort Sea

FeaturedAvailable to Purchase
Malek Ibrahim, Jason D. Sagers, Megan S. Ballard, Minh Le, Vasilis Koutsomitopoulos
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 154, 2689–2707 (2023)
https://doi.org/10.1121/10.0021974
Published: October 2023
View article titled, Evaluating machine learning architectures for sound event detection for signals with variable signal-to-noise-ratios in the Beaufort Sea
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Journal Articles

Three-dimensional raytrace modeling of the New England seamounts acoustics experiment

Free
Thomas S. Jerome, Megan S. Ballard, Jason D. Sagers, Andrew R. McNeese, James H. Miller, Julien Bonnel
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 154, A81 (2023)
https://doi.org/10.1121/10.0022866
Published: October 2023
View article titled, Three-dimensional raytrace modeling of the New England seamounts acoustics experiment
Journal Articles

In situ measurements of sediment shear wave speed from the New England Mud Patch and shelf break areas using the acoustic coring system

Free
Dante D. Garcia, Preston S. Wilson, Megan S. Ballard, Kevin M. Lee, Jason D. Chaytor
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 154, A167 (2023)
https://doi.org/10.1121/10.0023153
Published: October 2023
View article titled, In situ measurements of sediment shear wave speed from the New England Mud Patch and shelf break areas using the acoustic coring system
Journal Articles

Characterizing the acoustic response of Thalassia testudinum leaves using resonator measurements and finite element modeling

Available to Purchase
Nicholas A. Torres, Megan S. Ballard, Kevin S. Lee, Preston S. Wilson, Christina J. Naify, Aytahn Ben-avi
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 153, 678–688 (2023)
https://doi.org/10.1121/10.0017000
Published: January 2023
View article titled, Characterizing the acoustic response of Thalassia testudinum leaves using resonator measurements and finite element modeling
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Journal Articles

Inter-seasonal comparison of acoustic propagation in a Thalassia testudinum seagrass meadow in a shallow sub-tropical lagoon

Editor’s PickOpen Access
Kevin M. Lee, Megan S. Ballard, Andrew R. McNeese, Preston S. Wilson, Gabriel R. Venegas, Mathew C. Zeh, Abdullah F. Rahman
Journal: JASA Express Letters
JASA Express Lett. 3, 010801 (2023)
https://doi.org/10.1121/10.0016752
Published: January 2023
View article titled, Inter-seasonal comparison of acoustic propagation in a Thalassia testudinum seagrass meadow in a shallow sub-tropical lagoon
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Journal Articles

Impacts of infauna, worm tubes, and shell hash on sediment acoustic variability and deviation from the viscous grain shearing model

Free
Kevin M. Lee, Gabriel R. Venegas, Megan S. Ballard, Kelly M. Dorgan, Erin Kiskaddon, Andrew R. McNeese, Preston S. Wilson
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 152, 2456–2474 (2022)
https://doi.org/10.1121/10.0014907
Published: October 2022
View article titled, Impacts of infauna, worm tubes, and shell hash on sediment acoustic variability and deviation from the viscous grain shearing model
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Includes: Supplementary data
Journal Articles

Model-data comparison of sound propagation in a glacierized fjord with a simulated brash ice surface

Available to Purchase
Matthew C. Zeh, Megan S. Ballard, Oskar Glowacki, Grant B. Deane, Preston S. Wilson
Journal: The Journal of the Acoustical Society of America
J. Acoust. Soc. Am. 151, 2367–2377 (2022)
https://doi.org/10.1121/10.0010046
Published: April 2022
View article titled, Model-data comparison of sound propagation in a glacierized fjord with a simulated brash ice surface
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Journal Articles

Relationships between sediment organic content and viscous grain shearing parameters in Mobile Bay, Alabama

Free
Gabriel R. Venegas, Madeline R. Frey, Kevin M. Lee, Megan S. Ballard, W. Cyrus Clemo, Kelly M. Dorgan
Journal: Proceedings of Meetings on Acoustics
Proc. Mtgs. Acoust. 45, 070004 (2021)
https://doi.org/10.1121/2.0001538
Published: March 2022
View article titled, Relationships between sediment organic content and viscous grain shearing parameters in Mobile Bay, Alabama
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