• 250 Citations
  • 8 h-Index
1963 …2019
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Research Output 1963 2019

  • 250 Citations
  • 8 h-Index
  • 26 Article
  • 6 Conference contribution
  • 3 Conference article
  • 1 Comment/debate
2019

Use of noise correlation matrices to interpret ocean ambient noise

Nichols, S. M. & Bradley, D., Apr 1 2019, In : Journal of the Acoustical Society of America. 145, 4, p. 2337-2349 13 p.

Research output: Contribution to journalArticle

oceans
noise spectra
principal components analysis
replicas
acoustics
2017
2 Citations (Scopus)

In Situ Shape Estimation of Triangular Moored Hydrophone Arrays Using Ambient Signals

Nichols, S. M. & Bradley, D., Oct 1 2017, In : IEEE Journal of Oceanic Engineering. 42, 4, p. 923-935 13 p., 7792627.

Research output: Contribution to journalArticle

Hydrophones
International cooperation
Sensors
Monitoring

Naval applications of marine acoustics

Bradley, D., Jan 1 2017, Proceedings of ACOUSTICS 2017 Perth: Sound, Science and Society - 2017 Annual Conference of the Australian Acoustical Society, AAS 2017. McMinn, T. & Duncan, A. (eds.). Australian Acoustical Society, (Proceedings of ACOUSTICS 2017 Perth: Sound, Science and Society - 2017 Annual Conference of the Australian Acoustical Society, AAS 2017).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

requirements
acoustics
resources
navy
sonar
2016
2 Citations (Scopus)

Global examination of the wind-dependence of very low frequency underwater ambient noise

Nichols, S. M. & Bradley, D., Mar 1 2016, In : Journal of the Acoustical Society of America. 139, 3, p. 1110-1123 14 p.

Research output: Contribution to journalArticle

very low frequencies
examination
ocean surface
microseisms
slopes
2014
1 Citation (Scopus)

Erratum: Decadal trends in Indian Ocean ambient sound (J. Acoustic Soc. Am. (2013) 134: 5 (3464-3475))

Miksis-Olds, J. L., Bradley, D. & Niu, X., Jan 1 2014, In : Journal of the Acoustical Society of America. 135, 3, 1 p.

Research output: Contribution to journalComment/debate

Indian Ocean
trends
acoustics
Sound
Acoustics
2013
27 Citations (Scopus)

Decadal trends in Indian Ocean ambient sound

Miksis-Olds, J. L., Bradley, D. & Niu, X., Nov 1 2013, In : Journal of the Acoustical Society of America. 134, 5, p. 3464-3475 12 p.

Research output: Contribution to journalArticle

Indian Ocean
trends
acoustics
oceans
recording
2 Citations (Scopus)

Wind-dependence of low-frequency ambient noise in the deep-ocean sound channel

Nichols, S. & Bradley, D., Jun 19 2013, In : Proceedings of Meetings on Acoustics. 19, 070037.

Research output: Contribution to journalConference article

oceans
low frequencies
acoustics
Atlantic Ocean
underwater acoustics
2012

Are the world's oceans really that different?

Nichols, S. M., Bradley, D., Miksis-Olds, J. L. & Smith, C. M., 2012, 11th European Conference on Underwater Acoustics 2012, ECUA 2012. PART 3 ed. Vol. 34 1. p. 338-345 8 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

oceans

Periodicity in ambient noise and variation based on different temporal units of analysis

Hawkins, R. S., Miksis-Olds, J. L., Bradley, D. & Smith, C. M., Dec 26 2012, 11th European Conference on Underwater Acoustics 2012, ECUA 2012. PART 3 ed. Vol. 34 2. p. 1417-1423 7 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

periodic variations
2 Citations (Scopus)

Periodicity in ambient noise and variation based on different temporal units of analysis

Hawkins, R., Miksis-Olds, J., Bradley, D. & Smith, C. M., Dec 1 2012, In : Proceedings of Meetings on Acoustics. 17, 070035.

Research output: Contribution to journalConference article

periodic variations
acoustics
ships
traffic
marine mammals
1 Citation (Scopus)

Seasonal soundscapes from three ocean basins: What is driving the differences?

Miksis-Olds, J. L., Smith, C. M., Hawkins, R. S. & Bradley, D., 2012, 11th European Conference on Underwater Acoustics 2012, ECUA 2012. PART 3 ed. Vol. 34 2. p. 1583-1587 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

oceans
4 Citations (Scopus)

Seasonal soundscapes from three ocean basins: What is driving the differences?

Miksis-Olds, J., Smith, C. M., Hawkins, R. S. & Bradley, D., Dec 1 2012, In : Proceedings of Meetings on Acoustics. 17, 070036.

Research output: Contribution to journalConference article

oceans
acoustics
marine mammals
low frequencies
bandwidth
2011

A method of calibrating a harbor for focusing low frequency sound

Kankey, A. T., Koopmann, G. H., Becker, K. M. & Bradley, D., May 1 2011, In : Noise Control Engineering Journal. 59, 3, p. 258-267 10 p.

Research output: Contribution to journalArticle

harbors
calibrating
Ports and harbors
Acoustic waves
low frequencies
1 Citation (Scopus)

Consistency in statistical moments as a test for bubble cloud clustering

Weber, T. C., Lyons, A. P. & Bradley, D., Nov 1 2011, In : Journal of the Acoustical Society of America. 130, 5, p. 3396-3405 10 p.

Research output: Contribution to journalArticle

distribution moments
bubbles
acoustic imaging
acoustic measurement
gases
6 Citations (Scopus)

Divergence of a stereotyped call in northern resident killer whales

Grebner, D. M., Parks, S. E., Bradley, D., Miksis-Olds, J. L., Capone, D. & Ford, J. K. B., Feb 1 2011, In : Journal of the Acoustical Society of America. 129, 2, p. 1067-1072 6 p.

Research output: Contribution to journalArticle

whales
divergence
British Columbia
straits
hydrophones
2010
6 Citations (Scopus)

Small vessel contribution to underwater noise

Matzner, S., Maxwell, A., Myers, J., Caviggia, K., Elster, J., Foley, M., Jones, M., Ogden, G., Sorensen, E., Zurk, L., Tagestad, J., Stephan, A., Peterson, M. & Bradley, D., Dec 1 2010, MTS/IEEE Seattle, OCEANS 2010. 5663818. (MTS/IEEE Seattle, OCEANS 2010).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Boats
Engines
Hydrophones
Aquatic ecosystems
Propellers
2008
2 Citations (Scopus)

Ocean noise budgets

Miller, J. H., Nystuen, J. A. & Bradley, D., Jan 1 2008, In : Bioacoustics. 17, 1-3, p. 133-136 4 p.

Research output: Contribution to journalArticle

oceans
ocean
budget
2007
4 Citations (Scopus)

Acoustic propagation through clustered bubble clouds

Weber, T. C., Lyons, A. P. & Bradley, D., Jan 1 2007, In : IEEE Journal of Oceanic Engineering. 32, 2, p. 513-523 11 p., 893689.

Research output: Contribution to journalArticle

Acoustics
Scattering
Correlation theory
Describing functions
Acoustic fields
6 Citations (Scopus)

Scintillation index of high frequency acoustic signals forward scattered by the ocean surface

Cotté, B., Culver, R. L. & Bradley, D., Jan 22 2007, In : Journal of the Acoustical Society of America. 121, 1, p. 120-131 12 p.

Research output: Contribution to journalArticle

ocean surface
scintillation
acoustics
bandwidth
oceans
2006
4 Citations (Scopus)

Received signal parameter statistics in random/uncertain oceans

Camin, H. J., Culver, R. L., Sibul, L. H., Ballard, J. A., Jemmott, C. W., Holland, C. & Bradley, D., Dec 1 2006, OCEANS 2006. 4098969

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Acoustics
Statistics
Probability density function
Maximum entropy methods
Monte Carlo methods
25 Citations (Scopus)

St. Lawrence blue whale vocalizations revisited: Characterization of calls detected from 1998 to 2001

Berchok, C. L., Bradley, D. & Gabrielson, T. B., Oct 16 2006, In : Journal of the Acoustical Society of America. 120, 4, p. 2340-2354 15 p.

Research output: Contribution to journalArticle

whales
recording
estuaries
hydrophones
visual perception
2005
11 Citations (Scopus)

An estimate of the gas transfer rate from oceanic bubbles derived from multibeam sonar observations of a ship wake

Weber, T. C., Lyons, A. P. & Bradley, D., Apr 8 2005, In : Journal of Geophysical Research C: Oceans. 110, 4, p. 1-11 11 p.

Research output: Contribution to journalArticle

multibeam sonar
sonar
Sonar
bubbles
ships
7 Citations (Scopus)
ocean surface
bandwidth
Ocean
broadband
acoustic propagation
2002
4 Citations (Scopus)

Acoustic qualities of ship wakes

Bradley, D., Culver, R. L., Di, X. & Bjørnø, L., Sep 1 2002, In : Acta Acustica united with Acustica. 88, 5, p. 687-690 4 p.

Research output: Contribution to journalArticle

ships
wakes
acoustics
sound propagation
bubbles
3 Citations (Scopus)

NAVOCEANO seahorse AUV design, testing, and capabilities

Dzielski, J. E., Tangirala, C., Moyer, W. W. & Bradley, D., 2002, In : Oceans Conference Record (IEEE). 1, p. 151-155 5 p.

Research output: Contribution to journalArticle

vehicle
applied research
laboratory
1999
4 Citations (Scopus)

Assessing the global distribution and abundance of marine life: Summary of a workshop sponsored by the Sloan foundation and the office of naval research, January 13-15, 1998, Monterey, California

Alldredge, A. L., Bradley, D., Butterworth, D. & Steele, J. H., Dec 1 1999, In : Oceanography. 12, SPL.ISS. 3, p. 41-46 6 p.

Research output: Contribution to journalArticle

trophic structure
open ocean
trophic level
fishery
animal
4 Citations (Scopus)

Assessing the global distribution and abundance of marine organisms

Bradley, D., Dec 1 1999, In : Oceanography. 12, SPL.ISS. 3, p. 19-20 2 p.

Research output: Contribution to journalArticle

marine organism
distribution
1985

NAVAL APPLICATIONS OF OCEANOGRAPHY.

Winokur, R. S. & Bradley, D., Jun 1985, In : Marine Technology Society Journal. 19, 2, p. 5-11 7 p.

Research output: Contribution to journalArticle

naval application
Oceanography
oceanography
Military operations
oceanographic feature
1968
20 Citations (Scopus)

Specific volume of sea water as a function of temperature, pressure and salinity

Wilson, W. & Bradley, D., Jan 1 1968, In : Deep-Sea Research and Oceanographic Abstracts. 15, 3, p. 355-363 9 p.

Research output: Contribution to journalArticle

Equations of state
Density (specific gravity)
Water
Temperature
1966
5 Citations (Scopus)

Observations of Fluctuation of Transmitted Sound in Shallow Water

Urick, R. J., Lund, G. R. & Bradley, D., 1966, In : Journal of the Acoustical Society of America. 45, 3, p. 683-690 8 p.

Research output: Contribution to journalArticle

shallow water
acoustics
hydrophones
periodic variations
tides
1 Citation (Scopus)

Speed of sound in n-amyl alcohol as a function of temperature and pressure

Bradley, D., 1966, In : Journal of the Acoustical Society of America. 39, 1, p. 169-170 2 p.

Research output: Contribution to journalArticle

alcohols
acoustics
acoustic velocity
temperature
coefficients
17 Citations (Scopus)

Two-state theory of the structure of D2O

Davis, C. M. & Bradley, D., Jan 1 1966, In : The Journal of Chemical Physics. 45, 7, p. 2461-2465 5 p.

Research output: Contribution to journalArticle

Enthalpy
enthalpy
Density (specific gravity)
Hydrogen bonds
Thermodynamics
1965
22 Citations (Scopus)

Sound Propagation in Near-Stoichiometric Ti-Ni Alloys

Bradley, D., 1965, In : Journal of the Acoustical Society of America. 37, 4, p. 700-702 3 p.

Research output: Contribution to journalArticle

sound propagation
nickel alloys
titanium alloys
acoustic velocity
temperature
1964
44 Citations (Scopus)

Speed of Sound in Four Primary Alcohols as a Function of Temperature and Pressure

Wilson, W. & Bradley, D., Jan 1 1964, In : Journal of the Acoustical Society of America. 36, 2, p. 333-337 5 p.

Research output: Contribution to journalArticle

alcohols
acoustics
acoustic velocity
ethyl alcohol
specific heat
1963
9 Citations (Scopus)

Effect of Fast-Neutron Irradiation on the Pressure and Temperature Dependence of the Elastic Moduli of SiO2 Glass

Strakna, R. E., Clark, A. E., Bradley, D. & Slie, W. M., Dec 1 1963, In : Journal of Applied Physics. 34, 5, p. 1439-1443 5 p.

Research output: Contribution to journalArticle

neutron irradiation
fast neutrons
pressure dependence
modulus of elasticity
temperature dependence
4 Citations (Scopus)
ultrasonics
acoustics
fluids
pulses
temperature