Goal: Create a user-friendly acoustic classifier for killer whale communities found in the northeastern Pacific Ocean. Time Period: February – November 2015 Our Role: To train and test random forest classifiers for sounds produced...
Goal: To use acoustic data collected during the Gulf of Alaska Line Transect Survey (GOALS II) marine mammal survey to estimate densities of Cuvier’s beaked whales in the Gulf of Alaska. Time Period: 2015 Our Role: To...
Mariana Islands Marine Resource Survey (MIMRS) Goal: To collect data on the occurrence of marine mammals around Pagan Island to provide information for the U.S. Military’s Environmental Impact Statement (EIS) related to the expansion...
Goal: Conduct the first ever systematic survey of marine mammals in and around French Polynesia, the Cook Islands, the Phoenix Protected Islands, Tokelau, and Samoa. Time Period: November 2015 Our Role: To provide acoustic equipment, support and...
The Pacific Region International Survey of Marine Megafauna (PRISMM) survey consisted of an extensive line transect survey that included both visual and passive acoustic monitoring components. This was the first systematic survey of marine...
We have just completed at-sea field test of our new “3-D-V” towed hydrophone array system on Columbia University’s seismic research ship the R/V Langseth. This system is a fully-digital 3-D, volumetric towed array designed...
Irrawaddy Dolphin Conservation Kien Giang Biosphere Reserve, Vietnam We are collaborating with researchers in Vietnam who are assessing the occurrence of endangered Irrawaddy dolphins (Orcaella brevirostris) in the Kien Giang Biosphere Reserve, Vietnam. This...
We recently developed a modular system of affordable autonomous recorders called SonarPoint. This system consists of an array of 3-5 recorders that are precisely time-synchronized to allow localization and tracking of marine mammals and...
Chief Scientist Tom Norris recently co-chaired a special session on ‘Passive Acoustic Density Estimation: Recent advances and outcomes’ for the 176th Joint Meeting of the Acoustical Society of America and the Canadian Acoustical Association held in...
Goal: to evaluate the effects of recording depth, animal behavior and sound propagation characteristics of the water column on whistles and clicks produced by delphinids Time Period: May 2015 – September 2016 Our Role: to collect field...