Journal metrics

Journal metrics

  • IF value: 2.289 IF 2.289
  • IF 5-year value: 2.756 IF 5-year 2.756
  • CiteScore value: 2.76 CiteScore 2.76
  • SNIP value: 1.050 SNIP 1.050
  • SJR value: 1.554 SJR 1.554
  • IPP value: 2.65 IPP 2.65
  • h5-index value: 30 h5-index 30
  • Scimago H index value: 41 Scimago H index 41
Discussion papers | Copyright
https://doi.org/10.5194/os-2018-83
© Author(s) 2018. This work is distributed under
the Creative Commons Attribution 4.0 License.

Research article 06 Sep 2018

Research article | 06 Sep 2018

Review status
This discussion paper is a preprint. It is a manuscript under review for the journal Ocean Science (OS).

The land-sea coastal border: A quantitative definition

Agustín Sánchez-Arcilla1, Jue Lin-Ye1, Manuel García-León1, Vicente Gràcia1, and Elena Pallarès1,2 Agustín Sánchez-Arcilla et al.
  • 1Laboratory of Maritime Engineering, Barcelona Tech, D1 Campus Nord, Jordi Girona 1–3, 08034, Barcelona, Spain
  • 2EUSS – Escola Universitaria Salesiana de Sarria, Sant Joan Bosco 74, 08017, Barcelona, Spain

Abstract. A quantitative definition for the land-sea (coastal) transitional area is here proposed, based on variability and isotropy of met-ocean processes.Wind velocity and significant wave height fields are examined for anisotropy along four perpendicular transects on the Catalan coast (northwestern Mediterranean) illustrating a case of significant changes along shelf. The variation of anisotropy as a function of distance from the coast and water depth has been analyzed through heatmaps and scatter plots. The results show how the anisotropy of wind velocity and significant wave height decrease towards the offshore, suggesting an objective definition for the coastal fringe width. The more robust estimator turns out to be the distance at which the significant wave height anisotropy is equal to the 90th quantile of variance within a 100km distance from the coast. Such a definition, when applied to the Spanish Mediterranean coast, determines a fringe of width of 2–4km. Regarding the probabilistic characterization, the inverse of wind velocity anisotropy can be fitted to a lognormal distribution function, while the significant wave height anisotropy can be fitted to a log-logistic distribution function. The joint probability structure of the two anisotropies can be best described by a Gaussian copula, where the dependence parameter denotes mild to moderate dependence between both anisotropies, reflecting a certain decoupling between wind velocity and significant wave height near the coast. This wind-wave dependence remains stronger in the central, bay-like part of the study area, where the wave field is being more actively generated by the overlaying wind. Such a pattern controls the spatial variation of the coastal fringe width.

Download & links
Agustín Sánchez-Arcilla et al.
Interactive discussion
Status: open (until 01 Nov 2018)
Status: open (until 01 Nov 2018)
AC: Author comment | RC: Referee comment | SC: Short comment | EC: Editor comment
[Subscribe to comment alert] Printer-friendly Version - Printer-friendly version Supplement - Supplement
Agustín Sánchez-Arcilla et al.
Agustín Sánchez-Arcilla et al.
Viewed
Total article views: 125 (including HTML, PDF, and XML)
HTML PDF XML Total BibTeX EndNote
108 15 2 125 4 5
  • HTML: 108
  • PDF: 15
  • XML: 2
  • Total: 125
  • BibTeX: 4
  • EndNote: 5
Views and downloads (calculated since 06 Sep 2018)
Cumulative views and downloads (calculated since 06 Sep 2018)
Viewed (geographical distribution)
Total article views: 125 (including HTML, PDF, and XML) Thereof 125 with geography defined and 0 with unknown origin.
Country # Views %
  • 1
1
 
 
 
 
Cited
Saved
No saved metrics found.
Discussed
No discussed metrics found.
Latest update: 18 Sep 2018
Publications Copernicus
Special issue
Download
Short summary
A quantitative definition for the coastal border isotropy of met-ocean processes is here proposed.Wind velocity and significant wave height fields anisotropies are examined along four transects at the north-western Mediterranean coast.Both decreases offshore determining a coastal fringe of width of 2–4 km.The joint probability structure reflects a decoupling near the coast and a stronger dependence in the bay-like part where the wave field is being more actively generated by the overlaying wind.
A quantitative definition for the coastal border isotropy of met-ocean processes is here...
Citation
Share