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SONAR

The Wire

NOAA sets rules for Navy sonar training

Federal fisheries regulators announced rules Friday to protect marine mammals during Navy sonar training along the Atlantic coast and in the Gulf of Mexico.

Sons find dad’s submarine, sunk in 1942

Longing can chart a better course than MapQuest. After more than 60 years, the Abele brothers have finally found their father.

Navy, environmentalists settle sonar lawsuit

The Navy has settled a lawsuit filed by environmentalists challenging its use of sonar in hundreds of submarine-hunting exercises around the world.

Court rules for Navy in dispute over sonar, whales

The Supreme Court on Wednesday lifted restrictions on the Navy's use of sonar in training exercises off the California coast, a defeat for environmental groups who say the sonar can harm whales.

Court wrestles with case on Navy sonar, whales

The Supreme Court appeared divided Wednesday over how to resolve a long-running dispute over whether environmental laws may be used to limit the Navy's use of sonar to protect whales.

Supreme Court weighs whales vs war preparation

The Supreme Court will have the final say on whether war preparation trumps whale protection.

DOJ Asks High Court Review on Navy Sonar

The Justice Department on Monday asked the Supreme Court to review a federal appeals court decision limiting the Navy's use of sonar off the Southern California coast because of potential harm to dolphins and whales.

Navy Sonar Ban in Southern Calif. Upheld

The Navy must abide by limits on its sonar training off the Southern California because the exercises could harm dozens of species of whales and dolphins, a federal appeals court ruled.

Navy Sonar Ban in Southern Calif. Upheld

The Navy must abide by limits on its sonar training off the Southern California coast because the exercises could harm dozens of species of whales and dolphins, a federal appeals court ruled.

Navy Must Comply With No-Sonar Rule

Environmental groups seeking to protect whales from the potentially harmful effects of sonar cheered a legal victory against the Navy and the Bush administration.

Navy Asks Court to Drop Sonar Injunction

President Bush was within his legal rights to exempt the Navy from environmental laws to allow sonar training off Southern California, military lawyers argued Wednesday in court.

Navy Resumes Sonar Training Off Coast

The Navy has resumed sonar training off the coast of Southern California as the government and environmentalists battle in court over how the exercises affect whales and other marine mammals.

Calif Panel Opposes Bush Sonar Exemption

The state agency charged with protecting California's coast argued Tuesday against President Bush's exemption of the Navy from environmental laws that would restrict use of high-power sonar off the coast.

Navy Gets Temporary Sonar Reprieve

A federal judge on Thursday temporarily lifted some restrictions on the Navy's use of high-power sonar during training exercises near Southern California after President Bush got involved in the case.

Bush Allows Navy to Continue Sonar

Conservationists vowed to return to court to challenge President Bush's decision to let the Navy continue using high-power sonar in its training off Southern California, a practice they say harms whales and other marine mammals.

Bush Exempts Navy From Environmental Law

Conservationists on Wednesday blasted President Bush's decision to exempt the Navy from an environmental law so it can continue using high-power sonar in its training off Southern California — a practice they say harms whales and other marine mammals.

Judge Tells Navy to Reduce Sonar Impact

A federal judge ordered the Navy on Thursday to adopt measures that would lessen the impact of sonar on whales and other marine life during exercises near Southern California.

Scientists Study Hundreds of Dead Dolphins

Scientists tried to discover Saturday why hundreds of dolphins washed up dead on a beach popular with tourists on the northern coast of Zanzibar.

The Vine
Whale Stranding: Sonar or Lunar?
Source: Science: Current Issue

On the morning of 3 July 2004, more than 150 melon-headed whales rushed into Hanalei Bay off the Hawaiian island of Kauai, apparently bent on beaching themselves. The whales milled about for most of the day and night in an agitated manner, tail-slapping and vocalizing.

Watching Whales Watching Us - NYTimes.com
Source: The New York Times

This is a great article about the gray whales and the discoveries that they have made about them. The beginning is about the naval sonar exercises and their effects on whales. Fantastic article!

Use of Sonar That Spooked Orcas to Be Limited in Sound, Navy Says
Source: Kitsap Sun

Within the Puget Sound region, the Navy will no longer conduct training exercises with the kind of sonar that sent killer whales scampering during an exercise in 2003, according to Navy officials. National Marine Fisheries Service has proposed issuing the Navy a permit to use so …

Moths Use Sonar-Jamming Defence to Fend Off Hunting Bats
Source: scientificamerican.com

Some species of moths may have evolved a defensive ultrasonic clicking technique that can temporarily disrupt the echolocation signals of bats

Watching Whales Watching Us
Source: The New York Times

Whales, we now know, teach and learn. They scheme. They cooperate, and they grieve. They recognize themselves and their friends. They know and fight back against their enemies.

Nessie pops up to say 'Allo
Source: The Inverness Courier

The crew of the Jacobite Queen witnessed highly unusual readings on the ship's sonar screen, somewhere between Dores and Urquhart Castle.

Silver, cars, a piano, bodies, a train, ships, a giraffe, t.p., and more: Uncovering the secrets beneath New York Harbor
Source: New York Magazine

The steady transformation of New York's waterfront from wasteland to playground means more of us are spending time along the city's edge.

Military sonar blamed for deafness in dolphins
Source: newscientist.com

Sonar can temporarily deafen dolphins, a new study has found, suggesting that mass strandings of cetaceans could be caused by military activities.

Stonehenge Beneath the Waters of Lake Michigan?
Source: bldgblog.blogspot.com

In a surprisingly under-reported story from 2007, Mark Holley, a professor of underwater archaeology at Northwestern Michigan University College, discovered a series of stones – some of them arranged in a circle and one of which seemed to show carvings of a mastodon – 40-feet …

An "Invisibility Cloak" For Sound?
Source: cellular-news.com

"We've now shown that both 2-D and 3-D acoustic cloaks theoretically do exist," Cummer said.

Navy gets OK to train for 1 year with sonar
Source:

The Navy was granted a one-year permit to train with sonar and bombs in Hawaii waters as long as it tries to protect whales and other marine animals from harm. The Navy warned that whales and other marine life may be harmed, or even killed, though that wasn't expected.

Superloud Moth Jams Bat Sonar
Source: sciencenews.org

A gray moth with orange highlights called Bertholdia trigona "goes berserk," making lots of noise above the range of human hearing when a hunting bat approaches, says William Conner of Wake Forest University in Winston-Salem, N.C.

Supreme Court on sonar: Navy trumps whales
Source: The San Francisco Chronicle

Threats to national security are more important than possible harm to whales and dolphins, the Supreme Court ruled today in lightening restrictions on the Navy's use of sonar in anti-submarine training off Southern California despite its potential effects on undersea creatures.

Justices Rule for Navy in Sonar Case - NYTimes.com
Source: The New York Times

The Supreme Court on Wednesday lifted restrictions on the Navy's use of sonar in training exercises off the California coast, a defeat for environmental groups who say the sonar can harm whales.

Sonar Enters Third Dimension
Source: Christian Science Monitor

Today's standard sonar, a depthsounder, only communicates the distance to the sea-floor directly beneath a ship.

Cornwall dolphin strandings: The military connection
Source: Guardian Unlimited

The latest twist in the mysterious dolphin stranding has linked Royal Navy exercises to the death of 26 dolphins in Cornwall on Monday. So let's examine the evidence.

How Bat Sonar Could Improve Human Cameras
Source: Popular Science -

The complex algorithm which bats employ to identify plants could make for the most advanced facial recognition software yet.

World's oldest bat hunted without sonar
Source: Australian Broadcasting Corporation

A nearly perfect bat fossil, the oldest ever found, lacked a key feature seen in most bats: the ability to hunt and navigate using sonar.

Primitive Bats Took to the Wing, but They Didn't Have That Ping - New York Times
Source: The New York Times

The most primitive bat ever discovered could fly but not navigate by sound, scientists reported Thursday.

Early Bats Flew First, Developed "Sonar" Later
Source: National Geographic

Bats learned to fly before they developed their internal "sonar" to navigate and catch insects, the most primitive bat fossil ever found shows.

Judge Reinstates Rules on Sonar, Criticizing Bush's Waiver for Navy
Source: The New York Times

SAN FRANCISCO — A federal judge in California on Monday reinstated a series of provisions meant to protect whales from high-powered sonar during military exercises in the Pacific Ocean.

Judge Sinks Navy's Exemption From Law
Source:

LOS ANGELES -- Environmental groups seeking to protect whales from the potentially harmful effects of sonar cheered a legal victory against the Navy and the Bush administration.

Judge rejects Navy request for sonar training exemption - Los Angeles Times
Source: The L.A. Times

Bush administration must save the whales, judge rules.

Navy resumes use of sonar off California
Source: Christian Science Monitor

Environmental groups are fighting President Bush's move to allow US Navy ships to use sonar during exercises off the California coast beginning this week, a new wrinkle in the long-running legal battle that pits military readiness over concerns about whales, porpoises, and dolphi …

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