Investigating the eddy diffusivity concept in the coastal ocean
Rypina, Irina I.
Kirincich, Anthony R.
Lentz, Steven J.
Sundermeyer, Miles A.
MetadataShow full item record
KeywordCirculation/ Dynamics; Coastal flows; Diffusion; Lagrangian circulation/transport; Observational techniques and algorithms; Radars/Radar observations; Models and modeling; Tracers
This paper aims to test the validity, utility, and limitations of the lateral eddy diffusivity concept in a coastal environment through analyzing data from coupled drifter and dye releases within the footprint of a high-resolution (800 m) high-frequency radar south of Martha’s Vineyard, Massachusetts. Specifically, this study investigates how well a combination of radar-based velocities and drifter-derived diffusivities can reproduce observed dye spreading over an 8-h time interval. A drifter-based estimate of an anisotropic diffusivity tensor is used to parameterize small-scale motions that are unresolved and underresolved by the radar system. This leads to a significant improvement in the ability of the radar to reproduce the observed dye spreading.
Author Posting. © American Meteorological Society, 2016. This article is posted here by permission of American Meteorological Society for personal use, not for redistribution. The definitive version was published in Journal of Physical Oceanography 46 (2016): 2201-2218, doi:10.1175/JPO-D-16-0020.1.
Suggested CitationArticle: Rypina, Irina I., Kirincich, Anthony R., Lentz, Steven J., Sundermeyer, Miles A., "Investigating the eddy diffusivity concept in the coastal ocean", Journal of Physical Oceanography 46 (2016): 2201-2218, DOI:10.1175/JPO-D-16-0020.1, https://hdl.handle.net/1912/8414
Showing items related by title, author, creator and subject.
Brink, Kenneth H.; Kirincich, Anthony R. (Sears Foundation for Marine Research, 2017-05-01)Coastal ocean observing capabilities are evolving rapidly, both in terms of sensors and in terms of the volume of information available. We discuss the aspects of the coastal ocean that make it a unique environment, both ...
Airborne-radar and ice-core observations of annual snow accumulation over Thwaites Glacier, West Antarctica confirm the spatiotemporal variability of global and regional atmospheric models Medley, Brooke; Joughin, Ian; Das, Sarah B.; Steig, Eric J.; Conway, Howard; Gogineni, S.; Criscitiello, Alison S.; McConnell, Joseph R.; Smith, B. E.; van den Broeke, Michiel R.; Lenaerts, Jan T. M.; Bromwich, D. H.; Nicolas, J. P. (John Wiley & Sons, 2013-07-26)We use an airborne-radar method, verified with ice-core accumulation records, to determine the spatiotemporal variations of snow accumulation over Thwaites Glacier, West Antarctica between 1980 and 2009. We also present a ...
Remote sensing of the surface wind field over the coastal ocean via direct calibration of HF radar backscatter power Kirincich, Anthony R. (American Meteorological Society, 2016-06-24)The calibration and validation of a novel approach to remotely sense surface winds using land-based high-frequency (HF) radar systems are described. Potentially available on time scales of tens of minutes and spatial scales ...