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• Seagrass meadows
  ...by sediment suspension. Seagrasses globally have light requirements in the range of 4 to 36% of sub-surface irradiance (''Zostera muelleri'' requires 16 to * A gently sloping coast, with little or no [[Tide|tidal]] currents or strong waves, is preferred.
  37 KB (5,414 words) - 20:23, 24 December 2023
• Marine habitats and ecosystems
  ...arth’s aquatic ecosystem. The [[habitat]]s that make up this vast system range from the productive nearshore regions to the barren ocean floor. ...above the spring high [[tide]] limit or above the mean water level in non-tidal waters. <ref>http://eunis.eea.europa.eu/habitats-factsheet.jsp?idHabitat=40
  4 KB (622 words) - 14:39, 24 September 2022
• Experiences with beach nourishments in Portugal
  ...aking wave currents are comparatively low in the intervention area, in the range of 0.25 to 0.5m/s. On the downdrift area wave breaking currents can reach v ====Tidal regime====
  37 KB (5,937 words) - 18:06, 18 January 2022
• Application and use of underwater video
  ...camera system for studies of the dynamics of microtopographic features on tidal flats; Marine Georesources and Geotechnology; 22: 1-2, pp. 115-122</ref>), ...er, the water itself, reduce the visibility (in most practical cases) to a range of a few tens of meters, often less. Due to this (and camera resolution lim
  14 KB (2,095 words) - 13:21, 7 December 2023
• Spatial and temporal variability of salt marshes
  ...consists of [[mud]] and sand. Salt marshes are normally associated with [[Tidal flats from space|mud flats]], these mud flats are sometimes dominated by [[ Salt marshes are regularly subjected to tidal movement and wave action. Tidal channels control the drainage of this seawater and allow [[detritus]], diss
  18 KB (2,451 words) - 18:54, 7 March 2023
• Pump samplers
  ...mpling error in the concentration for two types of sand. The concentration range is 50 to 1000 mg/1. Each point represents an average value, while also the ...ng an average error smaller than 20% for a discharge Q_s in the range 0.2 to 1 1/min.
  10 KB (1,497 words) - 14:34, 7 October 2021
• Bottle and trap samplers
  ...</ref>). The ratio of the height and diameter of the trap should be in the range of 3 to 5. Funnel-shaped traps were found to give an underestimation of the ...on and nozzle axis (range 0° to 20°), for a hydraulic coefficient in the range of 0.5 to 2 in all tests.
  13 KB (1,984 words) - 12:21, 12 August 2020
• Plunging wave in slow motion
  ...of breakers in the shoreface impresses because of their rapidity, dynamic range, and dramatic mixture of chaotic and cyclic behaviours. This recording show ...es SSW and SE and thus, roughly speaking, the African coast. The region is tidal: the water-level excursion at the nearby Puerto del Rosario is reported to
  5 KB (851 words) - 21:54, 29 February 2024
• Optical measurements in coastal waters
  ...citly taken into account. Nearly all instruments have limitations in their range of linear response, and this can pose problems in turbid coastal waters. ...e of relatively high turbidity levels, eutrophicated areas with sufficient tidal stirring such as the Dutch coast may support intense [[phytoplankton]] [[Al
  16 KB (2,211 words) - 21:29, 24 February 2024
• Pollution prevention, detection and mitigation in European coastal waters
  Persistent organic pollutants (POPs) include a wide range of substances: industrial chemicals (such as polychlorinated biphenyls – ...littorals to oil pollution, with respect to their exposition to swell and tidal waves and their soil composition.
  26 KB (3,940 words) - 16:24, 20 February 2024
• Potential Impacts of Sea Level Rise on Mangroves
  .../www.ipcc.ch/index.htm Intergovernmental Panel on Climate Change]’s full range of 35 climate projection scenarios. The projected short-term sea level rise ...obal environment that operate on a great range of time scales, from hours (tidal) to millions of years (ocean basin changes due to tectonics and sedimentati
  15 KB (2,216 words) - 16:51, 3 September 2020
• Mariculture
  Mariculture includes a wide range of species and culture methods. It is globally a fast-growing activity, see ...es resulting from escaped culture stocks can establish far from their home range. In some cases this may enrich [[biodiversity]], but often they predate on
  46 KB (6,591 words) - 18:12, 4 May 2024
• Effects of fisheries on marine biodiversity
  ...scavengers, they obtain more food by the discarded by-catch and because a range of species are killed, but not retained by towed gears<ref name="Jennings19 Benthic organisms and other unwanted by-catch are often discarded and a range of species are killed, but not retained by towed gears.
  33 KB (4,853 words) - 13:29, 1 February 2024
• Tidal flats from space
  ...jective of our research was to classify the different surface types of the tidal flat areas with satellite data in combination with ground truth measurement ...ecosystems because of the water cover, which changes permanently with the tidal phase. They play an important role as a cleansing site for North Sea water,
  14 KB (2,127 words) - 11:32, 17 February 2024
• Acoustic kelp bed mapping in shallow rocky coasts - case study Helgoland (North Sea)
  ...ion with Kriging|kriging method]]. South of Dune Island water depth values range between 2 and 14 m. The hard rock ridges emerge from the otherwise unstruct
  12 KB (1,843 words) - 23:06, 16 October 2021
• Sand dune types - Europe
  ...develop on coastlines with an adequate supply of material within the size range 0.2-2.0mms. The critical factor is the availability of a sufficiently large ...s not unique to the coastal dunes. Unique is the interaction with the wide range of ambient weather, which is inherent to the coast.
  4 KB (687 words) - 15:53, 6 September 2020
• Salt marshes
  ...veral metres in open seas along the ocean margins. A network of meandering tidal creeks ensures the drainage of seawater. Through these channels, sediments, ...nt of saltmarshes occurs in estuaries with a moderate climate, large tidal range, abundant fine-grained sediments and sheltered locations where particles ca
  28 KB (4,120 words) - 21:17, 24 April 2024
• Coral reefs
  Globally, cold-water corals (CWC) cover a wide range of depths (40 - 2000 m), water temperatures of 4-10 °C and latitudes (70° * Storms and tidal emersions;
  27 KB (4,098 words) - 22:25, 5 April 2024
• Tsunami
  ...wavelength of wind-generated waves and much smaller than the wavelength of tidal waves. }} ...ind-driven waves (i.e., more than a few minutes) and much smaller than the tidal period (i.e., less than two hours). The wave height can be a few meters at
  28 KB (4,414 words) - 12:41, 25 April 2024
• Bathymetry German Bight from X-band radar
  ...leads to a profound change of the local tidal-stream situation; the tidal range of the area is 2m. ...instruments in the area of investigation. For the determination of datum, tidal gauge measurements were also used. A dataset of the [[bathymetry]] of part
  11 KB (1,665 words) - 16:35, 28 January 2024

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