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• Definitions of coastal terms
  ...ent hiding and protecting a sublayer of finer sediment from erosion, see [[Seabed armoring]]. ...he smallest bedforms play an important role in the friction exerted by the seabed on water motion, see [[#Boundary layer|Boundary layer]], [[Bedforms and rou
  79 KB (11,862 words) - 21:40, 1 April 2024
• Sea level rise
  ...o mass reduction of the polar ice caps and associated water loading of the seabed, the so-called glacial isostatic adjustment (GIA); the response time scale ...se]]. The vulnerability is further enhanced by coastal erosion, because of sediment retention behind upstream dams, hard coastal structures and/or conversion o
  41 KB (6,164 words) - 16:08, 21 January 2024
• Biotopes and classification systems
  ...ier 1990s, when classification and mapping works of the littoral and upper sub-littoral coastal zone of the Great Britain and Ireland began. ...nd chemical characteristics are taken to encompass the substratum (rock or sediment) and the particular conditions, which are characteristic of the local envir
  17 KB (2,420 words) - 13:14, 6 March 2022
• Analysis of coastal processes with Empirical Orthogonal Functions
  ...Inman, D. L. and Winant, C. D. 1979. Seasonal patterns of onshore/offshore sediment movement. Journal of Geophysical Research 84: 6347-6354</ref>) as pioneerin ...wo points of the domain at the same moments in time. For example, when the seabed is sampled <math>N_t</math> times, the measurements usually consist of <mat
  25 KB (4,098 words) - 15:59, 20 November 2021
• Use of Lidar for coastal habitat mapping
  ...tical receiver on the aircraft detects the pulse reflections from both the seabed and the sea surface. The water depth is determined by the elapsed time betw ...ensures reasonably low water levels combined with reduced currents and low sediment bottom scouring. Since the hydrographic survey rate of coverage is lower, s
  15 KB (2,393 words) - 22:55, 9 October 2023
• Measuring instruments for coasts
  ...describes which instruments are available to measure different aspects of sediment transport along the coast. The article also goes into location of sampling. * [[suspended load|suspended]] sediment concentrations and transport rates
  12 KB (1,782 words) - 11:43, 7 September 2020
• Measuring instruments for sediment transport
  ...s article describes different measurement instruments available to measure sediment transport in rivers, coastal seas and estuaries. Many of these instruments ...ments for measuring the sediment transport rate are described. Usually the sediment transport is represented as the summation of the [[bed load]] and [[suspend
  27 KB (3,920 words) - 22:17, 19 August 2020
• Acoustic backscatter profiling sensors (ABS)
  ...Rivers, Estuaries and Coastal Seas]] <ref>Rijn, L. C. van (1986). ''Manual sediment transport measurements''. Delft, The Netherlands: Delft Hydraulics Laborato ...and Vincent, C.E..''An acoustic backscatter instrument to measure near-bed sediment processes''. http://www.aquatecgroup.com.</ref> Hereafter, a summary of th
  22 KB (3,217 words) - 11:14, 9 September 2020
• Sampling tools for the marine environment
  ...relate to species occuring on the sea surface, the water column and on the seabed. ...nets are walls of netting which may be set at or below the surface, on the seabed, or at any depth in between. Gill netting is probably the oldest form of ne
  21 KB (3,409 words) - 22:24, 20 August 2020
• Ocean acidification
  ...r limit is the calcite (carbonate) compensation depth (CCD). Below the CCD seabed sediments contain little or no carbonate minerals, the so-called 'carbonate ...id transition in terms of the overlying water chemistry whereby calcareous sediment will become unstable causing the carbonate snow line to rise. <ref name=H2
  23 KB (3,325 words) - 17:13, 22 April 2024
• Mangroves
  ...posed network of roots that grow down from the branches into the water and sediment. They settle where there is little [[waves|wave action]] and where muddy [[ ...action]] and [[tidal current]]s, the range of the [[tide]], the type of [[sediment]] and the chemistry of the seawater. The global distribution of mangroves i
  42 KB (6,310 words) - 17:09, 21 April 2024
• Continental shelf habitat
  ...minate in deeper water, often modulated by circulating currents related to seabed topography (small scale) or driven by the wind (large scale). For more deta ...ions are the mud coasts where sediment supply mainly consists of very fine sediment. However, a transition from coarser to finer bottom sediments from shallowe
  11 KB (1,602 words) - 18:32, 22 February 2021
• Acoustic kelp bed mapping in shallow rocky coasts - case study Helgoland (North Sea)
  ...Limpenny, D.S., Robertson, M.R., Service, M. & Golding, N. (2005). Mapping seabed habitats in the Firth of Lorn off the west coast of Scotland: evaluation an ...ions of the RoxAnn classes.The straight lines suggest the influence of the sediment (blue, hardness component dominant) and the vegetation (red, roughness comp
  12 KB (1,843 words) - 23:06, 16 October 2021
• Bathymetry German Bight from X-band radar
  ...r or non-linear models for the propagation of the wavefield over an uneven seabed, in order to derive information on water depths and currents. ...tal areas and it could be used in operational base at hot spots of crucial sediment motion, such as Sylt.
  11 KB (1,665 words) - 16:35, 28 January 2024
• Algal bloom dynamics
  ...d light. In the winter, nutrient-rich organic material is stirred from the seabed. Therefore, nutrient concentrations are often highest in early spring (N he ...J. M., Chant, R. J., Wilkin, J. L. and Sommerfield, C. K. 2016. Suspended sediment impacts on light-limited productivity in the Delaware estuary. Estuaries an
  42 KB (6,475 words) - 18:18, 12 February 2024
• European coastal and marine observatories (2020)
  ...t-weight:bold; text-align:center"| [http://spiarcbase.epoc.u-bordeaux1.fr/ Sediment Profile Imager] ...d lightblue; font-size: 11px"| SPI-H allows for the in situ acquisition of sediment profile images in cohesive sediments, which constitutes a sound and cost-ef
  47 KB (6,585 words) - 12:44, 8 September 2020
• Rocky shore habitat
  The intertidal zone or littoral zone is the shoreward fringe of the seabed between the highest and lowest limit of the tides. The upper limit is often Another way to be protected from waves is to burrow into the sediment or seek shelter, such as a crevasse.
  23 KB (3,539 words) - 22:36, 14 March 2021
• Shelf sea exchange with the ocean
  ...5 for currents above the sea bed <ref name=GM> Green MO, McCave IN, 1995. Seabed drag coefficient under tidal currents in the eastern Irish Sea. Journal of ...ther factors are local or associated with land movement: water extraction, sediment compaction, tectonics, storms, earthquakes, landslides, uplift after the la
  34 KB (5,118 words) - 12:02, 29 June 2020
• Wave ripple formation
  When a sandy seabed is subject to wave action and the wave orbital motion is strong enough to m ...nsport in the coastal zone (see also the articles [[Sand transport]] and [[Sediment transport formulas for the coastal environment]]).
  38 KB (6,021 words) - 21:14, 3 July 2020
• Characteristics of sedimentary shores
  ...ological characteristics are related to geological setting, sediment type, sediment supply, wave climate and tidal regime. Wave climate and tidal regime bear s ...breaker line, <math>H_s</math> and the downward settling distance of beach sediment during the peak wave period <math>T_p</math>,
  24 KB (3,854 words) - 16:00, 30 June 2020

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