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  • Seamounts - Woods Hole Oceanographic Institution
    Seamounts also attract an abundance of marine life and are productive fishing grounds more than 80 commercial species worldwide At the same time, coral mining and fish trawling, using nets that rake up everything in their paths, have created indelible scars in the spectacularly diverse and abundant seamount ecosystems
  • Mid-ocean Ridges - Woods Hole Oceanographic Institution
    What are mid-ocean ridges? Mid-ocean ridges form the longest mountain range in the world, nearly all of which lies beneath the sea These ridges crisscross the world’s oceans like stitches on a baseball; together they measure nearly 65,000 kilometers (about 40,000 miles) in length Most of Earth’s volcanic activity occurs along mid-ocean ridges, which form along the seams between tectonic
  • Effects of subducted seamounts on megathrust earthquake nucleation and . . .
    A key question is under what conditions a subducted seamount will generate or stop megathrust earthquakes Here we show results from numerical experiments in the framework of rate- and state-dependent friction law in which a seamount is characterized as a patch of elevated effective normal stress on the thrust interface
  • ROV Jason investigates purple microbes as Axial Seamount
    At Axial Seamount, WHOI scientists filmed vibrant life at deep-sea vents—ecosystems powered by chemosynthetic microbes in total darkness
  • Life on Seamounts - Woods Hole Oceanographic Institution
    Life on Seamounts Sponge with two species of crinoids (purple and yellow), Kelvin Seamount (Photo courtesy of Tim Shank, WHOI and DASS 2005, NOAA OE, URI, and IFE) Iridogorgia magnispiralis coral with Glyptelasma barnacles, Nashville Seamount (Photo courtesy of Tim Shank, WHOI and DASS 2005, NOAA OE, URI, and IFE)
  • 40Ar 39Ar age progression along the Louisville seamount trail for . . .
    Watts et al (1988) reported total fusion 40Ar 39Ar ages from nine seamounts that span the entire length of the Louisville seamount trail and that produced a surprisingly linear age progression (Figure 2) Since that time 40Ar 39Ar techniques have significantly improved by instrumental developments, better sample preparation methods and more rigorous applications of the incremental heating
  • 7 Places and Things Alvin Can Explore Now
    Kelvin Seamount Seamounts are well-known as biological "hotspots"-places where conditions converge to support a large number and wide diversity of animal and plant life in the water and on the seafloor
  • Voyage to Vailulu’u – Woods Hole Oceanographic Institution
    Using an echosounder and a magnetometer aboard the 63-foot motor-ketch Kawamee, he reported finding a major seamount some 2,000 feet below sea level He had no means at the time to verify if the seamount was active
  • Microsoft Word - Tarduno. Express. doc
    The Hawaiian-Emperor hotspot track has a prominent bend that has been interpreted to record a change in plate motion traced by the Hawaiian hotspot fixed in the deep mantle However, paleomagnetic and radiometric age data from samples recovered by ocean drilling define an age-progressive paleolatitude history indicating that the Emperor Seamount trend was principally formed by the rapid (over
  • Coral Catastrophe on the Corner Rise Seamounts
    The entire top of one seamount, Kükenthal Peak, is denuded, Waller said, and on another, Yakutat Seamount, “the number of live corals documented on the plateau was negligible,” the scientists wrote





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