Wave Sensor Technologies, St Petersburg, Florida, March 7-9, 2007: workshop proceedings

Alliance for Coastal Technologies (2007) Wave Sensor Technologies, St Petersburg, Florida, March 7-9, 2007: workshop proceedings. Solomons,MD, Alliance for Coastal Technologies, (ACT 07-03, UMCES CBL 07-105)

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The Alliance for Coastal Technologies (ACT) convened a workshop on "Wave Sensor Technologies" in St. Petersburg, Florida on March 7-9, 2007, hosted by the University of South Florida (USF) College of Marine Science, an ACT partner institution. The primary objectives of this workshop were to: 1) define the present state of wave measurement technologies, 2) identify the major impediments to their advancement, and 3) make strategic recommendations for future development and on the necessary steps to integrate wave measurement sensors into operational coastal ocean observing systems. The participants were from various sectors, including research scientists, technology developers and industry providers, and technology users, such as operational coastal managers and coastal decision makers. Waves consistently are ranked as a critical variable for numerous coastal issues, from maritime transportation to beach erosion to habitat restoration. For the purposes of this workshop, the participants focused on measuring "wind waves" (i.e., waves on the water surface, generated by the wind, restored by gravity and existing between approximately 3 and 30-second periods), although it was recognized that a wide range of both forced and free waves exist on and in the oceans. Also, whereas the workshop put emphasis on the nearshore coastal component of wave measurements, the participants also stressed the importance of open ocean surface waves measurement. Wave sensor technologies that are presently available for both environments include bottom-mounted pressure gauges, surface following buoys, wave staffs, acoustic Doppler current profilers, and shore-based remote sensing radar instruments. One of the recurring themes of workshop discussions was the dichotomous nature of wave data users. The two separate groups, open ocean wave data users and the nearshore/coastal wave data users, have different requirements. Generally, the user requirements increase both in spatial/temporal resolution and precision as one moves closer to shore. Most ocean going mariners are adequately satisfied with measurements of wave period and height and a wave general direction. However, most coastal and nearshore users require at least the first five Fourier parameters ("First 5"): wave energy and the first four directional Fourier coefficients. Furthermore, wave research scientists would like sensors capable of providing measurements beyond the first four Fourier coefficients. It was debated whether or not high precision wave observations in one location can take the place of a less precise measurement at a different location. This could be accomplished by advancing wave models and using wave models to extend data to nearby areas. However, the consensus was that models are no substitution for in situ wave data.[PDF contains 26 pages]

Item Type: Monograph or Serial Issue
Title: Wave Sensor Technologies, St Petersburg, Florida, March 7-9, 2007: workshop proceedings
Corporate Creator/Author: Alliance for Coastal Technologies
Series Name: ACT 07-03, UMCES CBL 07-105
Date: 2007
Publisher: Alliance for Coastal Technologies
Place of Publication: Solomons,MD
Funders: NOAA
Event Type: Workshop
Issuing Agency: University of Maryland Center for Environmental Science. Chesapeake Biological Laboratory
Subjects: Oceanography
Item ID: 3108
Depositing User: Kathleen Heil
Date Deposited: 09 Apr 2010 03:32
Last Modified: 29 Sep 2011 17:51
Related URLs:
URI: http://aquaticcommons.org/id/eprint/3108

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