Sensors for physical fluxes at the sea surface: energy, heat, water, salt
Weller, R.A., Bradley, E.F., Edson, J.B., Fairall, C.W., Brooks, I., Yelland, M.J. and Pascal, R.W. (2008) Sensors for physical fluxes at the sea surface: energy, heat, water, salt. Ocean Science, 4, (4), 247-263.
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Description/Abstract
The current status of meteorological sensors used aboard ships and buoys to measure the air-sea fluxes of momentum, heat, and freshwater is reviewed. Methods of flux measurement by the bulk aerodynamic, inertial dissipation and eddy-correlation methods are considered; and areas are identified where improvements are needed in measurement of the basic variables. In some cases, what is required is the transition from emergent to operational technology, in others new technologies are needed. Uncertainties in measured winds caused by flow distortion over the ship are discussed; and the possible role of computational fluid mechanics models to obtain corrections is considered. Basic studies are also needed on the influence of waves and rain on the fluxes. The issues involved in the specification of sea surface temperature are described, and the relative merits of the available sensors are discussed. The improved capability of buoy-mounted systems will depend on the emergence of low-power instruments, and/or new means of increasing the available power capacity. Other issues covered include the continuing uncertainty about the performance of rain gauges and short-wave radiometers. Also, the requirements for new instruments to extend the range of observations to extreme wind conditions are outlined, and the latest developments in the measurement of aerosol fluxes by eddy-correlation are presented.
| Item Type: | Article |
|---|---|
| ISSNs: | 1812-0792 (print) |
| Related URLs: | |
| Subjects: | G Geography. Anthropology. Recreation > GC Oceanography |
| Divisions: | University Structure - Pre August 2011 > National Oceanography Centre (NERC) |
| Item ID: | 64348 |
| Date Deposited: | 10 Dec 2008 |
| Last Modified: | 14 May 2013 01:06 |
| Contributors: | Weller, R.A. (Author) Bradley, E.F. (Author) Edson, J.B. (Author) Fairall, C.W. (Author) Brooks, I. (Author) Yelland, M.J. (Author) Pascal, R.W. (Author) |
| Date: | 2008 |
| Status: | Published |
| URI: | http://eprints.soton.ac.uk/id/eprint/64348 |
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