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Observing estuarine currents and fronts in the Tay Estuary, Scotland, using an airborne SAR with along-track interferometry (ATI).

Ferrier, G and Macklin, JT and Neill, SP and Folkard, AM and Copeland, GJM and Anderson, JM (2005) Observing estuarine currents and fronts in the Tay Estuary, Scotland, using an airborne SAR with along-track interferometry (ATI). International Journal of Remote Sensing, 26 (20). pp. 4399-4404.

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Abstract

Estuaries are extremely dynamic environments where large and frequent changes in bathymetry and channel locations can occur. Because estuaries are major centres of population and industry, there is an ongoing requirement to monitor and predict changes in the current Hcids. The tidal range, surface wind speed, atmospheric pressure, fresh water inflow and most importantly the stage of the tidal cycle affect the How vectors. Existing boai-based methods are unable to provide measurements of current fields with sufficient spatial and depth coverage for accurate modelling of hydrodynamic processes in estuaries. Remotely sensed data offer more extensive, synoptic, spatial coverage. However, previous studies to map the full details of the current field based on conventional optical and thermal imaging have been limited by insufficient temporal coverage and the lack of identifiable features that can be tracked. Synthetic aperture radar (SAR) imaging with along-track interferometry (ATI) has the potenlial to overcome bolh of these limitations because it can retrieve quantitative measurements of sea surface state parameters and instantaneous surface fiow from a single pass over a whole estuary. The preliminary results of ATI observations over the Tay Estuary, Scotland, validated with coincident In situ boat based observations, are presented here.

Item Type: Article
Journal or Publication Title: International Journal of Remote Sensing
Additional Information: The final, definitive version of this article has been published in the Journal, International Journal of Remote Sensing, 26 (20), 2005, © Informa Plc
Uncontrolled Keywords: remote sensing ; airborne ; radar ; estuaries ; tidal fronts
Subjects: G Geography. Anthropology. Recreation > G Geography (General)
Departments: Faculty of Science and Technology > Lancaster Environment Centre
ID Code: 408
Deposited By: Dr. Andrew Folkard
Deposited On: 05 Feb 2007
Refereed?: Yes
Published?: Published
Last Modified: 26 Jul 2012 18:05
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/408

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