Page 20: of Marine Technology Magazine (March 2021)

Oceanographic Instrumentation & Sensors

Read this page in Pdf, Flash or Html5 edition of March 2021 Marine Technology Magazine

UNDERWATER ACOUSTICS

Underwater Acoustics

Pick up the Tempo

Woods Hole Oceanographic Institution, N. Renier

By Celia Konowe umans have always been intrigued by what we do in our oceans. To date, about 80% of the world’s oceans re- not know, especially that which we can’t see. At main unexplored and only 7% are designated marine protect- the time of writing, NASA’s Perseverance rover, ed areas (MPAs). The depth of our oceans comes with many

Hfondly nicknamed Percy, has safely landed on setbacks to “seeing” the deep sea in a traditional sense—zero

Mars and sent over its ? rst images of its Jezero Crater landing visibility, freezing temperatures and crushing levels of pres- site. Percy, among many other technological creations, dem- sure. But what about creating an auditory image?

onstrates the curiosity and capacity of our exploratory efforts. During recent decades, progress in subsea exploration has

While our achievements in outer space exploration pile up, increased signi? cantly, especially with the advancement of there is still much work to be done here on Earth—particularly underwater vehicles, whether autonomous, remotely oper- 20 March/April 2021

MTR #3 (18-33).indd 20 3/22/2021 6:46:23 PM

Marine Technology

Marine Technology Reporter is the world's largest audited subsea industry publication serving the offshore energy, subsea defense and scientific communities.