Photo in the News: Seals, Sea Lions, Satellites Help Map Ocean
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Wearing tags traditionally used for tracking, the marine recruits are helping scientists collect data that could one day be used to generate ocean forecasts.
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It's a sight New Englanders aren't entirely used to seeing: thousands of seals swimming through the Long Island Sound or hauling out to Maine, where they like to have their pups.
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Scientists are tracking the oceanâs biggest whales to figure out how exactly they get enough food to build their giant bodies.
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A simple sea creature could help to address the problem of global warming, a scientist claims.
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GREENBELT, Md. - Researchers from NASA and the U.S. Geological Survey (USGS), Golden, Colo., have woven together more than a thousand images from the Landsat 7 satellite to create the most detailed, high-resolution map ever produced of Antarctica.
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A new tool based on satellite data shows trends in the way Europeans use our landscape.
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Two studies say global warming is responsible for a shifting coastline and visits from Arctic seals.
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The genetic map of a type of teeny-weeny ocean algae could have a big impact on how scientists try to protect the Earth&#39;s oceans from greenhouse gases.
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When environmental protestors boarded a Japanese whaling ship in the Southern Ocean, images of the action quickly flashed on the world's TV sets, followed by photos from the Japanese ship after the protestors were taken into custody. Getting these images out is crucial if either side is to win the global PR battle, but doing so can be problematic when you're at sea, thousands of kilometers from the nearest cell phone network or broadband connection.
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A satellite tracking project shows the ocean hotspots where albatrosses come into conflict with longline trawlers.
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Mass strandings of marine mammals have occurred in Australia and New Zealand this week, proving an earlier predication made by Australian scientists, New Zealand Press Association said Wednesday.
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When environmental protestors boarded a Japanese whaling ship in the Southern Ocean, images of the action quickly flashed on the world&#39;s TV sets, followed by photos from the Japanese ship after the protestors were taken into custody. Getting these images out is crucial if either side is to win the global PR battle, but doing so can be problematic when you&#39;re at sea, thousands of kilometers from the nearest cell phone network or broadband connection.To solve their problems, both sides take advantage of digital video and photo technology to get the footage, then look to the skies and tap into the global satellite communications network run by London-based Inmarsat. The company specializes in providing voice and data services to maritime vessels and other users at sea, or in remote areas that traditional telecommunications networks don&#39;t reach.On Tuesday, as the protestors approached the Japanese whaling vessel &quot;Yushin Maru 2,&quot; a digital video camera was rolling onboard the small inflatable craft sent from the Sea Shepard Conservation Society&#39;s ship, &quot;Steve Irwin.&quot; The camera caught the moment when two of the conservationists jumped aboard, and within seconds the video was speeding back toward the Steve Irwin on the inflatable.Once back onboard, the video was fed into a Macbook Pro laptop and edited into a 13MB MPEG2 clip that was just 12 seconds long, said Jonny Vasic, a spokesman for the society.&quot;One of our big tools in these whale wars is these video and digital still cameras. They really help us expose the bad guys,&quot; said Vasic.The clip was then sent via satellite to the society&#39;s FTP server and made available to the world&#39;s media.The ship&#39;s satellite communications system is a $35,000 &quot;Sailor Fleet 77&quot; unit that was donated to the society last year by Australia&#39;s Bluetongue Brewery. It supports up to 256Kbps&#160;transmission, although actually getting that speed depends on several factors. In calm seas, a gyro-based mount keeps the antenna pointed at the satellite, but in heavy seas, maintaining a reliable signal can be a problem. Keeping the link gets increasingly difficult as the ship goes further south because the satellite appears very low on the horizon.&quot;It&#39;s about 90 percent reliable,&quot; said Vasic.Crew onboard the &quot;Steve Irwin&quot; are also using the satellite link to attempt to send e-mail to the Japanese ship, in addition to marine-band radio calls, in an attempt to secure the release of their two members, who remain aboard the &quot;Yushin Maru 2.&quot;The Institute of Cetacean Research, the Tokyo-based organization that operates the &quot;Yushin Maru 2,&quot; declined to comment on the technology at its disposal, citing security reasons.&quot;I&#39;m sorry to say, you might be Greenpeace posing as a journalist,&quot; said Gabriel Gomez, a spokesman for the group in Tokyo, when contacted by telephone on Thursday.The systems employed by the Japanese group don&#39;t appear as sophisticated. Only a handful of still images from the ship have been released by the group to the media, and they are a relatively low VGA (640 pixels by 480 pixels) resolution. No video has been made available.The satellite communications technology being employed by the two ships is increasingly being used by media, governmental and relief organizations in remote areas. Earlier this month, Cable News Network (CNN) won a Technology and Engineering Emmy Award for its satellite news gathering system based on Inmarsat&#39;s BGAN broadband system. The BGAN system offers a standard IP (Internet Protocol) connection as fast as 492Kbps and is small enough that it can be built into a backpack.
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Hubble space technology and the global networking power of the Internet is being put to good use in wildlife conservation by giving researchers a clearer understanding of the status of the endangered whale shark.
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Human activities are affecting every square mile of the world's oceans, according to a study by a team of American, British and Canadian researchers who mapped the severity of the effects from pole to pole.
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The tsunami that killed thousands around the Indian Ocean was caught by a series of radar satellites, allowing National Oceanic and Atmospheric Administration scientists to develop measurements of the wave in mid-ocean.
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New software can identify individual whale sharks by analyzing individual patterns of spots and stripes on the fishâs skin.
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A humpback whale is satellite tagged for the first time in the waters of the South Pacific - to learn about its movements.