{"title":"Modelling of short-term dispersion in the sea surface layer","authors":"A. Pini, G. Leuzzi, P. Monti, Matteo Manfredi","doi":"10.1109/METROSEA.2018.8657849","DOIUrl":null,"url":null,"abstract":"The relative dispersion of GLAD drifter campaign conducted in the northern Gulf of Mexico is investigated. The high temporal and spatial sampling of the GPS-satellite tracked drifters permits to study the short-term dispersion. The exponential regime of dispersion is detected for different groups of drifter trajectories. Experimental laws of relative horizontal diffusivity are inferred. A variable diffusivity stochastic model of dispersion, using GLAD relative diffusivity experimental laws and NCOM derived surface velocity fields, is developed and used to simulate the initial phase of dispersion of the GLAD campaign.","PeriodicalId":252792,"journal":{"name":"2018 IEEE International Workshop on Metrology for the Sea; Learning to Measure Sea Health Parameters (MetroSea)","volume":"174 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2018-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"2018 IEEE International Workshop on Metrology for the Sea; Learning to Measure Sea Health Parameters (MetroSea)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/METROSEA.2018.8657849","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
Abstract
The relative dispersion of GLAD drifter campaign conducted in the northern Gulf of Mexico is investigated. The high temporal and spatial sampling of the GPS-satellite tracked drifters permits to study the short-term dispersion. The exponential regime of dispersion is detected for different groups of drifter trajectories. Experimental laws of relative horizontal diffusivity are inferred. A variable diffusivity stochastic model of dispersion, using GLAD relative diffusivity experimental laws and NCOM derived surface velocity fields, is developed and used to simulate the initial phase of dispersion of the GLAD campaign.
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