About the Authors

Susanna B. Blackwell

susanna@greeneridge.com

Affiliation Greeneridge Sciences, Inc., Santa Barbara, California, United States of America

Christopher S. Nations

Affiliation Western EcoSystems Technology, Inc., Cheyenne, Wyoming, United States of America

Trent L. McDonald

Affiliation Western EcoSystems Technology, Inc., Cheyenne, Wyoming, United States of America

Aaron M. Thode

Affiliation Scripps Institution of Oceanography, La Jolla, California, United States of America

Delphine Mathias

Current Address: Société d’Observation Multi-Modale de L’Environnement (SOMME), Brest, France

Affiliation Scripps Institution of Oceanography, La Jolla, California, United States of America

Katherine H. Kim

Affiliation Greeneridge Sciences, Inc., Santa Barbara, California, United States of America

Charles R. Greene Jr

Affiliation Greeneridge Sciences, Inc., Santa Barbara, California, United States of America

A. Michael Macrander

Affiliation Shell Exploration & Production Company, Anchorage, Alaska, United States of America

Competing Interests

SBB, KHK, and CRG are employed by Greeneridge Sciences, Inc., an independent contracting company that performs studies of the interactions between underwater sounds and marine vertebrates. Greeneridge conducted this research under contract with the Shell Exploration & Production Company (SEPCO). WEST Inc. (CSN and TLM) was sub-contracted for help with statistics, and Scripps Institution of Oceanography (AMT and DM) was sub-contracted for help with automated whale call and airgun pulse detection, algorithms that have been previously published in the peer-reviewed open literature. Throughout the study design and data analyses, SEPCO (AMM) provided suggestions, as any co-author would, but played no role in the decision to publish, the determination of the final results and conclusions of the study, or the preparation of the manuscript until the final editorial stages. These declarations or the authors’ affiliations do not alter the authors’ adherence to all the PLOS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: CRG SBB TLM CSN AMT AMM. Performed the experiments: SBB DM AMT KHK CSN. Analyzed the data: CSN SBB AMT KHK TLM. Wrote the paper: SBB CSN AMT.