Sentences with phrase «hydrophones on»

To do this, the researchers use underwater microphones called hydrophones on oceanographic moorings to listen for the sounds made by marine mammals.

The US Navy deployed vast arrays of hydrophones on the ocean floor during the cold war for anti-submarine warfare.

The researchers of six countries bordering the Baltic Sea who participate in the BIAS project installed noise - measuring hydrophones on the southern side of the Jussarö lighthouse near Tvärminne and in the Gulf of Finland between Helsinki and Tallinn.

We provide an underwater hydrophone on all of our Orca Water tours and will often stop to listen to the sounds the orcas make.

We always carry at least one research grade hydrophone on our sea kayaking tours.

Not exact matches

Evidence of these eruptions showed up on distant seismometers, which measure waves passing through the ground to record earthquakes, and hydrophone arrays that pick up underwater sound to detect covert nuclear detonations.

Next he hopes to plug into the rest of the hydrophones, start tallying the neutrinos, and begin to zero in on the strange, energetic objects that emit them.

«The process of taking measurements in a carbonated beverage was more challenging than we expected, mainly because bubbles form on the hydrophone itself and that can greatly affect the data that is collected,» said Spratt.

But the CTBTO's stations have two sets of three hydrophones separated by several kilometers, which — like a pair of human ears — allow listeners to get a fix on a sound's direction to within 0.5 °.

William Marks, a spokesman for the US Navy in Yokosuka, Japan, declined to comment on whether the United States had hydrophones in the region.

A boat can «mow the lawn» over a large area in a relatively short period of time, while stationary recorders on the seafloor have great temporal coverage, but they record only within a certain range of the hydrophone,» said Selene Fregosi, a researcher at the Cooperative Institute for Marine Resources Studies, Oregon State University and National Oceanic and Atmospheric Administration in Newport, Oregon.

Taking turns with his shipmates, Wiens swung bright - yellow ocean bottom seismometers and hydrophones off the fantail, and lowered them gently to the water's surface, as the ship laid out a matrix of instruments for a seismic survey on the trench.

Between Jan. 26 and Feb. 9, working day and night, watch - on and watch - off, the Thompson laid down 80 ocean bottom seismometers and five hydrophones.

Throughout the night and day that the hydrophones were on the seafloor, they picked up what Rountree describes as «drumming» and «duck - like» noises.

We're always on the lookout for orca and carry a hydrophone onboard to listen to this mammal's vocalizations.

When we encounter killer whales on the water, we often drop a hydrophone into the water so we can listen to their vocalizations.

Research scientists come on board, and passengers can observe NG field sites and equipment, including undersea cameras and hydrophones and video - microscopes.

You have a chance to listen to the whales on a hydrophone and the guides will give you many interesting facts during your trip.

It's dark when I get up at 6 am, the first hint of a new day on the horizon; the forest floor has turned gold and green as the cedars shed their summer cloak; honeysuckle leaves litter the boardwalks and garden ground; bright red honeysuckle berries are being plucked by tiny wrens; jays are sitting in the apple tree, feasting on the fruit we imagined as apple pie; the last roses are fading; fronds of great bull kelp are landing on the beach, food for next year's garden; the sudden daybreak howl of sporty boats heading to the hot fishing spots where we have our hydrophones has gone; sea lions are beginning to heave their huge bodies onto haul - out rocks along the way; most of our assistants have left, heading back to school or home; and in their absence we are spending more time in the lab at night, recording the voices of the orcas, who are still here.

Guests on all our tours will enjoy listening to whales and dolphins with the hydrophone (underwater microphone) which is connected to the stereo system.

Your guide will always have the hydrophone at the ready so no opportunity to listen in on whale talk will be missed.

Both Orca Tours vessels have underwater microphones (hydrophones) connected to speakers, enabling you to hear Orca sounds anywhere on the vessel during your exciting Stubbs Island Vancouver Island Orca Tours.

Our 3 1/2 hour tours offer the opportunity to venture into the wild and ignite all your senses: the salty taste of the ocean spray; the unmistakable smell of a humpback's breath; the blow of a whale; the shrill sound of the gulls and eagles; the squeaks, squeals and whistles of the killer whales vocalizing through the on board hydrophone or the soothing yet elaborate song of the humpback males.

vocalizations with our on - board hydrophone (underwater microphone).

Your naturalist captain will provide narration on the whale's behavior and the hydrophones onboard allow you to listen for the whale song.

Hydrophones are present on all tours so that you can listen to the underwater vocalizations of the orcas as well as see them breach and play.

Our Professional Marine Naturalists share intriguing information and up - to date facts about the Whales as our guests listen to «Whale Songs» live on Gemini's hydrophone.

On board, we have an expert Marine Naturalist to explain the Humpbacks habits and instincts as well as to answer any questions you may have and with our state of the art Hydrophone you to listen to the whales song live through a marine speaker system.

Every once in a while there's some good news on the endangered species front: A team of scientists from Oregon State University and the National Oceanic and Atmospheric Administration has discovered an undetermined number of North Atlantic right whales, in an area where it was thought they had been hunted nearly extinction over a hundred years ago: The whales were discovered by using a series of underwater hydrophones to record the sound of the whales over hundreds of miles of ocean.