Abstract
Nearshore marine climate at the Port of Bethioua, located on the west of Algeria, were studied using real-time field data and climatological offshore data obtained from the UK Met Office. Total waves, swells in the offshore are hind-casted separately and were validated using buoy measurements were supplied by UKMO at a nominal cost. Shallow water wave transformations are modelled using the Teluray wave-current model to calculate shoaling, depth refraction and current refraction taking bathymetry and tidal flows from the TELEMAC flow model as inputs. The results are of particular importance in the context of planning of port and safe anchorage and movement and anchoring of vessels in the harbour area, in addition, for future developmental programs at the port of Bethioua.
Highlights
Waves are of varied forms, frequencies and directions
The knowledge of sea state is essential in all operational activities in the marine environment, for the safety of public and for design of coastal and marine engineering structures
This paper presents the results of investigations on the winds and temporal and spatial distribution of waves in the nearshore waters of Bethioua, Algeria for 100 years
Summary
Waves are of varied forms, frequencies and directions. To arrive at their climatological picture has always been a challenge to harbour engineers from strategic, economic and commercial points of view. The knowledge of sea state is essential in all operational activities in the marine environment, for the safety of public and for design of coastal and marine engineering structures. Careful assessment of the wind and wave climates, employing good data and reliable analysis techniques, is necessary for the design of all modern deep and coastal ocean infrastructure systems [2]. Wave activity in the port and its environs is of particular importance in the context of design of port, its operation, ship navigation, safe mooring of vessels and transport of cargo in the harbour area
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