• Thumbnail for Deep scattering layer
    The deep scattering layer, sometimes referred to as the sound scattering layer, is a layer in the ocean consisting of a variety of marine animals. It was...
    8 KB (856 words) - 20:13, 6 July 2025
  • estimate mesopelagic fish abundance is by echosounding to locate the 'deep scattering layer' through the backscatter received from these acoustic sounders....
    50 KB (6,021 words) - 06:18, 23 May 2025
  • Thumbnail for Swim bladder
    Lanternfish also account for much of the biomass responsible for the deep scattering layer of the world's oceans. Sonar reflects off the millions of lanternfish...
    28 KB (3,448 words) - 19:19, 18 July 2025
  • Thumbnail for Lanternfish
    Lanternfish (category Deep sea fish)
    the impression of a "false ocean bottom"; this is the so-called deep scattering layer that so perplexed early oceanographers (see below). Great variability...
    18 KB (1,907 words) - 22:33, 31 July 2025
  • Thumbnail for Deep-sea fish
    Lanternfish also account for much of the biomass responsible for the deep scattering layer of the world's oceans. Bigeye tuna are an epipelagic/mesopelagic...
    60 KB (6,844 words) - 20:09, 17 July 2025
  • Thumbnail for Pelagic fish
    Pelagic fish (redirect from Deep water fish)
    The layer is deeper when the moon is out, and may move higher when the sky is dark. This phenomenon has come to be known as the deep scattering layer. Most...
    74 KB (8,402 words) - 06:24, 26 May 2025
  • Thumbnail for Scattering
    connection between light scattering and acoustic scattering in the 1870s. Near the end of the 19th century, the scattering of cathode rays (electron...
    30 KB (3,725 words) - 17:58, 23 July 2025
  • Thumbnail for False bottom
    false bottom can also refer to the deep scattering layer in the ocean, a phenomenon where a layer of marine organisms deep in the ocean can be mistaken by...
    2 KB (213 words) - 05:56, 9 April 2023
  • Thumbnail for Marrus orthocanna
    Larry; Jakobsson, Martin; Gårdfeldt, Katarina (2021-06-01). "A deep scattering layer under the North Pole pack ice" (PDF). Progress in Oceanography....
    11 KB (1,230 words) - 03:28, 21 June 2025
  • Thumbnail for SOFAR channel
    channel (short for sound fixing and ranging channel), or deep sound channel (DSC), is a horizontal layer of water in the ocean at which depth the speed of sound...
    23 KB (2,406 words) - 22:08, 19 July 2025
  • Thumbnail for Echo sounding
    advantages, including the ability to identify a vegetation layer or a layer of soft mud on top of a layer of rock. Most hydrographic operations use a 200 kHz...
    13 KB (1,593 words) - 13:27, 19 June 2025
  • Thumbnail for Swordfish
    the most common method is deep-drop fishing, since swordfish spend most daylight hours very deep, in the deep scattering layer. The boat is allowed to drift...
    33 KB (3,399 words) - 03:06, 11 July 2025
  • Thumbnail for Ramsar site
    Saline water: Permanent: (A) Permanent shallow marine waters: Less than 6m deep at low tide; including sea bays and straits (B) Marine subtidal aquatic beds:...
    8 KB (793 words) - 08:32, 26 July 2025
  • Thumbnail for Dusky dolphin
    tactics, including daytime bait ball herding and nightime feeding in deep scattering layers. Mating is polygynandrous, and several males will chase after a...
    54 KB (5,910 words) - 22:53, 2 August 2025
  • Photic zone (redirect from Photic layer)
    (or euphotic zone, epipelagic zone, or sunlight zone) is the uppermost layer of a body of water that receives sunlight, allowing phytoplankton to perform...
    24 KB (2,836 words) - 08:02, 3 July 2025
  • Thumbnail for Bioluminescence
    encountered bioluminescent organisms may be the dinoflagellates in the surface layers of the sea, which are responsible for the sparkling luminescence sometimes...
    76 KB (8,187 words) - 02:34, 2 August 2025
  • Chemistry and General Biology (1942, 1970); for explaining the deep scattering layer (DSL) as a result of what is now called the diel vertical migration;...
    12 KB (1,268 words) - 00:02, 7 July 2025
  • Thumbnail for Fisheries acoustics
    required. Surveys, stock assessment, management Ecology Behavior Deep scattering layer Simmonds J. & MacLennan D. (2005). Fisheries Acoustics: Theory and...
    13 KB (1,771 words) - 03:10, 26 May 2025
  • Thumbnail for Limnology
    temperature of different lake layers. The less turbid the water, the more light is able to penetrate, and thus heat is conveyed deeper in the water. Heating declines...
    29 KB (3,207 words) - 05:24, 23 May 2025
  • intertidal systems, salt marshes, coral reefs, kelp forests and lagoons. In the deep water, hydrothermal vents may occur where chemosynthetic sulfur bacteria...
    15 KB (2,850 words) - 00:21, 6 July 2025
  • Thumbnail for Ramsar Convention
    General Deep scattering layer Diel vertical migration f-ratio Iron fertilization Large marine ecosystem Marine biology Marine chemistry Marine food web...
    19 KB (1,061 words) - 02:38, 17 July 2025
  • Thumbnail for Underwater acoustics
    cps Sound in Deep Water. J. Acoust. Soc. Am. 36, 1596 (1964) J. R. Marshall and R. P. Chapman, Reverberation from a Deep Scattering Layer Measured with...
    54 KB (7,199 words) - 13:00, 29 July 2025
  • Thumbnail for List of submarine volcanoes
    curve Sea level drop Sea level rise World Geodetic System Acoustics Deep scattering layer Ocean acoustic tomography Sofar bomb SOFAR channel Underwater acoustics...
    39 KB (347 words) - 00:19, 24 May 2025
  • Thumbnail for Bathyscaphe
    Bathyscaphe (category Deep-submergence vehicles)
    AmericanHeritage.com Barham EG (May 1963). "Siphonophores and the Deep Scattering Layer". Science. 140 (3568): 826–828. Bibcode:1963Sci...140..826B. doi:10...
    8 KB (933 words) - 01:29, 25 April 2025
  • Thumbnail for Wave base
    a water wave's passage causes significant water motion. At water depths deeper than the wave base, bottom sediments and the seafloor are no longer stirred...
    3 KB (429 words) - 13:56, 29 October 2023
  • Thumbnail for Physical oceanography
    75%) lies between 0° and 5°C, mostly in the deep ocean, where sunlight does not penetrate. The surface layers, however, experience far greater variability...
    36 KB (4,538 words) - 09:53, 12 May 2025
  • Thumbnail for Dead zone (ecology)
    sediment layers near the mouth of the Mississippi River indicate four hypoxic events before the advent of synthetic fertilizer. In these sediment layers, anoxia-tolerant...
    84 KB (9,324 words) - 02:46, 2 August 2025
  • Thumbnail for Oceanic plateau
    curve Sea level drop Sea level rise World Geodetic System Acoustics Deep scattering layer Ocean acoustic tomography Sofar bomb SOFAR channel Underwater acoustics...
    11 KB (1,048 words) - 16:32, 20 December 2024
  • Thumbnail for Aquatic toxicology
    General Deep scattering layer Diel vertical migration f-ratio Iron fertilization Large marine ecosystem Marine biology Marine chemistry Marine food web...
    29 KB (3,533 words) - 00:21, 6 July 2025
  • long range vertical migration makes them key contributors to the deep scattering layer. These organisms are frequently found in warm or temperate waters...
    27 KB (3,166 words) - 19:35, 18 June 2025