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Publications


  1. Southall, BL, Durban, JW, Calambokidis, J, Casey, C, Fahlbusch, JA, Fearnbach, H, Flynn, KR, Fregosi, S, Friedlaender, AS, Leander, SGM, and Visser, F. (2024). Behavioural responses of common dolphins to naval sonar. Royal Society Open Science, 11:240650. doi:10.1098/rsos.240650 PDF
  2. Casey, C*, Fregosi, S*, Oswald, JN, Janik, VM, Visser, F and Southall, BL. (2024). Common dolphin whistle responses to experimental mid-frequency sonar. PLoS ONE, 19(4): e0302035. doi:10.1371/journal.pone.0302035 PDF *Co-first authors
  3. McCullough, JLK, Henderson, EE, Trickey, JS, Barlow, J, Baumann-Pickering, S, Manzano-Roth, R, Alongi, G, Martin, S, Fregosi, S, Mellinger, DK, Klinck, H, Szesciorka, A, and Oleson, EM. (2024). Geographic distribution of the Cross Seamount beaked whale based on acoustic detections. Marine Mammal Science, 40(1): 164-183. doi:10.1111/mms.13061 PDF
  4. Southall, BL, Allen, AN, Calambokidis, J, Casey, C, DeRuiter, SL, Fregosi, S, Friedlaender, AS, Goldbogen, JA, Harris, CM, Hazen, EL, and Popov, V. (2023). Behavioural responses of fin whales to military mid-frequency active sonar. Royal Society Open Science, 10(12): 231775. doi:10.1098/rsos.231775 PDF
  5. Fregosi, S, Harris, DV, Matsumoto, H, Mellinger, DK, Martin, SW, Matsuyama, B, Barlow, J, and Klinck, H. (2022). Detection probability and density estimation of fin whales by a Seaglider. Journal of the Acoustical Society of America, 152(4): 2277-2291. doi:10.1121/10.0014793 PDF
  6. Durban, JW, Southall, BL, Calambokidis, J, Casey, C, Fearnbach, H, Joyce, TW, Fahlbusch, JA, Oudejans, MG, Fregosi, S, Friedlaender, AS, Keller, NM, Visser, F. (2022). Integrating remote sensing methods during controlled exposure experiments to quantify group responses of dolphins to navy sonar. Marine Pollution Bulletin, 174: 113194. doi:10.1016/j.marpolbul.2021.113194 PDF
  7. Oswald, JN, Walmsley, SF, Casey, C, Fregosi, S, Southall, BL, Janik, VM. (2021). Species information in whistle frequency modulation patterns of common dolphins. Philosophical Transactions of the Royal Society B, 376: 20210046. doi:10.1098/rstp.2021.0046 PDF
  8. Barlow, J, Fregosi, S, Thomas, L, Harris, D, Griffiths, ET. (2021). Acoustic detection range and population density of Cuvier’s beaked whales estimated from near-surface hydrophones. Journal of the Acoustical Society of America, 149(1): 111-125. doi:10.1121/10.0002881 PDF
  9. Fregosi, S, Harris, DV, Matsumoto, H, Mellinger, DK, Barlow, J, Baumann-Pickering, S, & Klinck, H. (2020). Detections of whale vocalizations by simultaneously deployed bottom-moored and deep-water mobile autonomous hydrophones. Frontiers in Marine Science. 7: 721. doi:10.3389/fmars.2020.00721 PDF
  10. Fregosi, S, Harris, DV, Matsumoto, H, Mellinger, DK, Negretti*, C, Moretti, DJ, Martin, SW, Matsuyama, B, Dugan, P, Klinck, H. (2020). Comparison of fin whale 20 Hz call detections by deep-water mobile autonomous and stationary recorders. Journal of the Acoustical Society of America, 147(2): 961-977. doi:10.1121/10.0000617 PDF
  11. Southall, BL, DeRuiter, S, Friendlaender, AS, Stimpert, AK, Goldbogen, J, Hazen, E, Casey, C, Fregosi, S, Cade, D, Allen, A, Harris, C, Falcone, E, Schorr, G, Moretti, DJ, Gailey, G, Guan, S, Calambokidis, J. (2019). Behavioral responses of individual blue whales (Balaenoptera musculus) to mid-frequency military sonar. Journal of Experimental Biology, 222(5): jeb190637. doi:10.1242/jeb.190637 PDF
  12. Nieukirk, SL, Fregosi, S, Mellinger, DK, & Klinck, H. (2016). A complex baleen whale call recorded in the Marianas Trench Marine National Monument. Journal of the Acoustical Society of America, 140(3): EL1-6. doi:10.1121/1.4962377. PDF
  13. Fregosi, S, Klinck, H, Horning, M, Mellinger, DK, Costa, DP, Mann, DA, Sexton, K, Hückstädt, L & Southall, BL. (2016). An animal-borne active acoustic tag for minimally invasive behavioral response studies on marine mammals. Animal Biotelemetry, 4:9. doi:10.1186/s40317-016-0101-z. PDF
  14. Klinck, H, Fregosi, S, Matsumoto, H, Turpin, A, Mellinger, DK, Erofeev, A, Barth, JA, Shearman, RK, Jafarmadar, K, & Stelzer, R. (2016). Mobile autonomous platforms for passive-acoustic monitoring of high-frequency cetaceans, In A. Friebe and F. Haug (Eds.), Robotic Sailing 2015, Springer International Publishing, pp. 29–37. doi:10.1007/978-3-319-23335-2_3 PDF
  15. Matsumoto, H, Haxel, J, Turpin, A, Fregosi, S, Klinck, H, Klinck, K, Baumann-Pickering, S, Erofeev, A, Barth, JA, Dziak, RP, & Jones, C. (2015). Simultaneous operation of mobile acoustic recording systems off the Washington Coast for cetacean studies: System noise level evaluations, Oceans 2015 MTS/IEEE, 19-22 October, 2015, Washington, D.C. PDF

Peer-reviewed Reports


  1. Fregosi, S, Mellinger DK, Ampela, K, & Bacon, CE. (2021) Passive acoustic monitoring of large whales on and off the continental shelf of Southern California using autonomous underwater vehicles. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, San Diego, CA. Submitted to Naval Facilities Engineering Command Pacific (NAVFAC PAC), Pearl Harbor, HI under Contract No. N6247015D8006, Task Order 18F0147, issued to HDR Inc., San Diego, CA. March 2021. PDF
  2. Mellinger, DK & Fregosi, S. (2019). Assessment of ocean ambient sound levels in the northern Gulf of Mexico, May – June 2018. Preliminary Report. Prepared for the Bureau of Ocean Energy Management (BOEM), United States Department of the Interior under Contract No. M17PC00001, Task Order M17PD00011, issued to HDR Inc., Vienna, VA, USA. Prepared by Oregon State University, Newport, OR, USA. February 2019.
  3. Klinck, H, Nieukirk, SL, Fregosi, S, Klinck, K, Mellinger, DK, Lastuka, S, Shilling, GB, & Luby, JC. (2016). Cetacean Studies on the Kona Coast in March 2010: Passive Acoustic Monitoring of Marine Mammals Using Gliders – Results from an Engineering Test. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, Pearl Harbor, HI. Submitted to Naval Facilities Engineering Command (NAVFAC) Pacific, Pearl Harbor, HI under Contract No. N62470-10-D-3011, Task Order KB25, issued to HDR Inc., Honolulu, HI. Prepared by Oregon State University, Newport, OR, and the Applied Physics Laboratory of the University of Washington, Seattle, WA. April 2016. 36 pages. PDF
  4. Klinck, H, Nieukirk, SL, Fregosi, S, Klinck, K, Mellinger, DK, Lastuka, S, Shilling, GB, & Luby, JC. (2016). Cetacean Studies in the Gulf of Alaska Temporary Maritime Activities Area in July-August 2015: Passive Acoustic Monitoring of Marine Mammals Using Gliders. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, Pearl Harbor, HI. Submitted to Naval Facilities Engineering Command (NAVFAC) Pacific, Pearl Harbor, HI under Contract No. N62470-10-D-3011, Task Order KB25, issued to HDR Inc., Honolulu, HI. Prepared by Oregon State University, Newport, OR, and the Applied Physics Laboratory of the University of Washington, Seattle, WA. March 2016. 44 pages. PDF
  5. Klinck, H, Nieukirk, SL, Fregosi, S, Klinck, K, Mellinger, DK, Lastuka, S, Shilling, GB, & Luby, JC. (2016). Cetacean Studies on the Mariana Islands Range Complex in March-April 2015: Passive Acoustic Monitoring of Marine Mammals Using Gliders. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, Pearl Harbor, HI. Submitted to Naval Facilities Engineering Command (NAVFAC) Pacific, Pearl Harbor, HI under Contract No. N62470-10-D-3011, Task Order KB25, issued to HDR Inc., Honolulu, HI. Prepared by Oregon State University, Newport, OR, and the Applied Physics Laboratory of the University of Washington, Seattle, WA. March 2016. 52 pages. PDF
  6. Klinck, H, Nieukirk, SL, Fregosi, S, Klinck, K, Mellinger, DK, Lastuka, S, Shilling, GB, & Luby, JC. (2015). Cetacean Studies on the Quinault Range Site in June 2012: Passive Acoustic Monitoring of Marine Mammals Using Gliders – Results from an Engineering Test. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, Pearl Harbor, HI. Submitted to Naval Facilities Engineering Command (NAVFAC) Pacific, Pearl Harbor, HI under Contract No. N62470-10-D-3011, Task Order KB25, issued to HDR Inc., Honolulu, HI. Prepared by Oregon State University, Newport, OR, and the Applied Physics Laboratory of the University of Washington, Seattle, WA. November 2015. 33 pages. PDF
  7. Klinck, H, Nieukirk, SL, Fregosi, S Klinck, K, Mellinger, DK, Lastuka, S, Shilling, GB, & Luby, JC. (2015). Cetacean Studies in the Hawaii Range Complex in December 2014–January 2015: Passive Acoustic Monitoring of Marine Mammals Using Gliders. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, Pearl Harbor, HI. Submitted to Naval Facilities Engineering Command (NAVFAC) Pacific, Pearl Harbor, HI under Contract No. N62470-10-D-3011, Task Order KB23, issued to HDR Inc., Honolulu, HI. Prepared by Oregon State University, Newport, OR, and the Applied Physics Laboratory of the University of Washington, Seattle, WA. October 2015. 58 pages. PDF
  8. Klinck, H, Nieukirk, SL, Fregosi, S, Klinck, K, Mellinger, DK, Lastuka, S, Shilling, GB, & Luby, JC. (2015). Cetacean Studies on the Mariana Islands Range Complex in September-November 2014: Passive Acoustic Monitoring of Marine Mammals Using Gliders. Final Report. Prepared for Commander, U.S. Pacific Fleet, Environmental Readiness Division, Pearl Harbor, HI. Submitted to Naval Facilities Engineering Command (NAVFAC) Pacific, Pearl Harbor, HI under Contract No. N62470-10-D-3011, Task Order KB25, issued to HDR Inc., Honolulu, HI. Prepared by Oregon State University, Newport, OR, and the Applied Physics Laboratory of the University of Washington, Seattle, WA. August 2015. 50 pages. PDF