Sentences with phrase «navy sonar»

The article next discards Royal Navy sonar and explosives, because «big naval exercises in UK waters are unusual in midwinter.»
also, new u.s. navy sonar program is killing whales.
Today the Supreme Court lifted restrictions on Navy sonar use, a practice that has been found to disorient and beach whales.
When investigating mass strandings of whales, likely the result of the use of navy sonar in open waters,
Ken Balcomb of the Center for Whale Research discovered the impact that navy sonar was having on whales.
SOCAL - 14 will also follow on the successful first integration of CEE methods with ongoing regular training operations to increasingly including realistic Navy sonar systems in experimental applications.
Her current focus is on the effects of anthropogenic sound on the physiology and behavior of fish, substantial contributions to the field on barotrauma (tissue damage) response assessment of fish from pile driving, navy sonar, and tidal turbine noise.
Oceanic delphinids are generally not endangered or threatened, have typically not been observed in mass - stranding events associated with Navy sonar.
Members of this family have recently been found stranded on beaches after seismic surveys and Navy sonar tests.
And then there's the unintended assault on ocean dwellers by noisy navy sonar.

Not exact matches

The loss of an Indian naval ship from submarine action in the 1971 Indo - Pakistan War brought Paulraj to sonar technology and he advanced the Indian Navy's sonar capability.
In 1977, he led the design of the APSOH sonar which became the fleet sonar of the Indian Navy, ushering in India's global leadership in this vital technology.
Up next, following considerable interest from governments, is a next - generation sonar amplifier to replace hull - mounted sonar units on Navy ships.
Currently, the Navy fields the Common Broadband Advanced Sonar System variant of the Mark 48 - the 7th major upgrade the torpedo has undergone over its service history.
The United States Navy is planning a new round of sonar and weapons testing and training exercises in its Atlantic Training and Testing Study Area, which covers some 2.6 million nautical miles of inshore and offshore waters, extending from the...
Lockheed Martin's plant in suburban Syracuse has been awarded a $ 45 million contract by the U.S. Navy and Japan to provide sonar systems for anti-submarine warfare, according to the Pentagon.
He was fresh out of high school when he volunteered as a sonar operator in the Swedish navy for his national service at the tail end of the Cold War.
According to guidelines based on several years — and $ 10 million — of environmental - impact research, the Navy is not permitted to use the low - frequency sonar within 12 nautical miles of any coastline, in any marine sanctuary, near any marine - mammal «biologically important area,» or in polar seas.
But the Navy, the Fisheries Service, and some marine scientists contend that low - frequency active sonar, when operated according to Navy guidelines, is not hazardous except at very close proximity.
After years of debate, the National Marine Fisheries Service gave its approval this summer to the U.S. Navy's use of a new low - frequency active - sonar system for locating enemy submarines.
That prompted the Natural Resources Defense Council and a coalition of other environmental groups to sue the Navy in federal court, claiming the sonar poses an unacceptable risk to marine life.
The U.S. Supreme Court says the Navy can use active sonar in despite evidence that it and other noise pollution can deafen, and even kill denizens of the sea and skies
Sonar systems — first developed by the U.S. Navy to detect enemy submarines — generate slow - rolling sound waves topping out at around 235 decibels; the world's loudest rock bands top out at only 130.
- A recent U.S. Supreme Court ruling allows the Navy to continue underwater sonar testing in the name of national security, despite its potential to harm whales.
«The U.S. Navy could use a number of proven methods to avoid harming whales when testing mid-frequency sonar,» reports IFAW's Fred O'Regan.
In 2003, NRDC spearheaded a successful lawsuit against the Navy to restrict the use of low - frequency sonar off the coast of California.
They live at the full range of depths that the Navy's sonar uses, too.
In a joint report issued last month with the National Marine Fisheries Service, the Navy has accepted that its sonar caused the beaching of 16 whales in the northern Bahamas in March 2000.
The researchers used dual - frequency identification sonar, an acoustic camera originally designed for the U.S. Navy by Sound Metrics Corp., to create a sound gate through which the sharks traveled.
In Case You Missed It: U.S. Navy Limits Sonar Use, First Withdrawal from the Svalbard Global Seed Vault and more!
Following a federal court hearing, the U.S. Navy has agreed to limit its use of sonar in specified areas around the Hawaiian Islands and southern California.
THE US Navy has admitted for the first time that the sonar used by its ships can injure whales and dolphins.
The US Navy is pioneering the use of high - temperature superconductors in working machinery with a newly delivered sonar system.
The boat surfaced through three feet of Arctic ice 200 miles north of Prudhoe Bay, Alaska, where the University of Washington's Applied Physics Lab conducts underwater communications and sonar experiments for the Navy.
By quickly closing oversized claws while defending their territory, clusters of certain shrimp produce enough noise to interfere with the Navy's sonar.
Killer whales, for instance, are known to swim away from areas where they have encountered sonar signals of about 142 decibels, a sound level lower than currently allowed by the U.S. Navy for its ships, Tyack said, referring to a 2014 study in The Journal of the Acoustical Society of America that determined the mammals» likely response.
The overall objective is to provide a better scientific basis for estimating risk and minimizing effects of active sonar for the U.S. Navy and regulatory agencies.
At TNO he did sonar research and was involved in research for the Royal Netherlands Navy on the effects of sonar sound since 2005.
Building on related studies in a number of field sites, we will develop and utilize a novel integration of several established remote - sensing methods to quantify behavior and biopsy sampling to measure stress hormone levels in three delphinid species that are common and frequently exposed to Navy mid-frequency active sonar (MFAS) off California.
When the U.S. Navy's sonar program was implicated, Balcomb was torn; proud of his own service record, he nonetheless broke confidentiality about Navy practices to try and save the lives of whales.
The U.S. government was sued in Hawaii Federal Court in 2013 (Conservation Council for Hawaii et al. v. U.S. Dept. of Commerce and the NMFS, 2013) for approving the Navy's testing of its low -, mid - and high - frequency sonar, along with some explosives, in the Hawaii - Southern California Training and Testing Study Area (HSTT).
While super quiet sea kayaks are now accused of being a threat to orca whales in the San Juan Islands by a misguided and misinformed National Marine Fisheries Service (NMFS), the same agency remains silent about the US Navy plans to increase ocean warfare training and testing of new sonar devices in the killer whales» home waters.
He served in the US Navy as a sonar technician during World War II and taught sculpture at the California School of Fine Arts, University of California Berkeley and the University of California Davis.
The A.P. quoted a White House memorandum as saying, «The Navy training exercises, including the use of sonar, are in the paramount interest of the United States....
While traveling in the Middle East on Tuesday, President Bush issued an exemption to the Navy from environmental laws that would otherwise limit its ability to use certain kinds of sonar used in anti-submarine warfare training, the Associated Press said.
The Navy makes its case both for the importance of the sonar and its efforts to limit risks to marine mammals on a Web site here.
In January, a fresh injunction was issued by the court requiring the Navy to establish a 12 - nautical - mile, no - sonar zone along the coast and to post lookouts for marine mammals.
via: SCOTUS Blog photo: Hispanic PR Wire Supreme Courtâ $ ¨ Supreme Court Lets Big Business Off the Hook in the Mystery of the $ 42 Million Pesticide Dump â $ ¨ Whales 0, Navy 1: Court Rules in Favor of Lifting Restrictions on Harmful Sonar Use Supreme Court Delivers Landmark Ruling on Greenhouse Gases
In 2012 the National Marine Fisheries Service granted the Navy approval of limited use of sonar — with requirements to reduce sonar levels in areas where marine mammal populations were high.
While the dissident judges observed the serious harm sonar may inflict on whales, in the end, the Navy won.
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