The Effect of Wave Height on Rip Currents Pattern
Message:
Abstract:
Current pattern especially rip current، is the most important effective parameters on sediment transport in the coastal zone. In this research، the topographic rip current pattern exposed to changes in height of cross-shore waves has been studied using of Mike 21/3 software. For this purpose، water circulation in the bed with a long shore bar and two rip current channels was investigated. This research indicates wave-induced current hydrodynamic pattern in the form of vortexes with opposite vorticity on both sides of the rip current channel. The results show that stronger seaward vortexes are very effective on current circulation pattern in coastal zones، so that with the attack of higher waves، seaward vortexes are formed in large scale and increase the rip current velocity in the center of current channel، while in the presence of lower waves، seaward vortexes become weak and then approach the shore. A concise and factual abstract is required (100-250 words). The abstract should state briefly the purpose of the research، the principal results and major conclusions. An abstract is often presented separate from the article، so it must be able to stand alone. For this reason، References should be avoided، but if essential، they must be cited in full، without reference to the reference list. Also، non-standard or uncommon abbreviations should be avoided، but if essential they must be defined at their first mention in the abstract itself.
Language:
Persian
Published:
Iranian Journal of Marine Science And Technology, Volume:20 Issue:65, 2013
Page:
33
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