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Sea-Surface Stress ...
Sea-Surface Stress Driven by Small-Scale Non-stationary Winds
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- Mahrt, Larry (författare)
- NorthWest Res Associates, 2171 NW Kari Pl., Corvallis, OR 97330 USA
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- Nilsson, Erik O., 1983- (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära,Meteorologi, AWEP
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- Rutgersson, Anna, 1971- (författare)
- Uppsala universitet,Luft-, vatten- och landskapslära,Meteorologi, AWEP
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- Pettersson, Heidi (författare)
- Finnish Meteorol Inst, FIN-00101 Helsinki, Finland
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NorthWest Res Associates, 2171 NW Kari Pl, Corvallis, OR 97330 USA Luft-, vatten- och landskapslära (creator_code:org_t)
- 2020-04-16
- 2020
- Engelska.
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Ingår i: Boundary-layer Meteorology. - : Springer Nature. - 0006-8314 .- 1573-1472. ; 176:1, s. 13-33
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- A number of studies have indicated that non-stationarity of the wind field over the sea significantly disrupts the equilibrium between the wind, stress, and wave fields. However, no studies have systematically examined the impact of non-stationarity using a large dataset. Here, we examine the effect of non-stationarity of the wind field on the stress by analyzing six years of turbulent flux data from the Östergarnsholm site. On average, the impact of the non-stationarity on the stress and drag coefficient becomes important for wind speeds lessthan about 6 ms-1. Differences between the acceleration and deceleration stages are revealed by phase shifting the calculation of the non-stationarity with respect to the calculation of the stress and drag coefficient. The time structure of events is examined by selecting samples of large increases and decreases of the wind speed. Analyses needed for further progress are noted.
Ämnesord
- NATURVETENSKAP -- Geovetenskap och miljövetenskap -- Meteorologi och atmosfärforskning (hsv//swe)
- NATURAL SCIENCES -- Earth and Related Environmental Sciences -- Meteorology and Atmospheric Sciences (hsv//eng)
Nyckelord
- Drag coefficients
- Fronts
- Marine boundary layers
- Non-stationarity
- Sea-surface stress
- Meteorologi
- Meteorology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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