Identification

Title

Coastal zone surface stress with stable stratification

Abstract

Summertime eddy correlation measurements from an offshore tower are analyzed to investigate the dependence of the friction velocity υ∗ for stable conditions on the mean wind speed V, air-sea difference of virtual potential temperature δθυ, and nonstationary submeso motions. The quantity δθυ sometimes exceeds 3°C, usually because of the advection of warm air from land over cooler water at this site. Thin stable boundary layers result. Unexpectedly, υ∗(V) does not depend systematically on the stratification δθυ even for weak winds. For weak winds, υ∗(V) increases systematically with increasing submeso variations of the wind. The υ∗(V) relationship for a given V is greater in nonstationary conditions. Additionally, this study examines υ∗(V) as a function of wind direction. The υ∗(V) relationship appears to be affected by swell direction for weak winds and advection from land for short fetches.

Resource type

document

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http://n2t.net/ark:/85065/d7xw4m9g

codeSpace

Dataset language

eng

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Classification of spatial data and services

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geoscientificInformation

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title

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reference date

date type

publication

effective date

2016-01-01T00:00:00Z

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publication

effective date

2016-01-01T00:00:00Z

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Copyright 2016 American Meteorological Society (AMS). Permission to use figures, tables, and brief excerpts from this work in scientific and educational works is hereby granted provided that the source is acknowledged. Any use of material in this work that is determined to be "fair use" under Section 107 or that satisfies the conditions specified in Section 108 of the U.S. Copyright Law (17 USC, as revised by P.L. 94-553) does not require the Society's permission. Republication, systematic reproduction, posting in electronic form on servers, or other uses of this material, except as exempted by the above statements, requires written permission or license from the AMS. Additional details are provided in the AMS Copyright Policies, available from the AMS at 617-227-2425 or amspubs@ametsoc.org. Permission to place a copy of this work on this server has been provided by the AMS. The AMS does not guarantee that the copy provided here is an accurate copy of the published work.

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None

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OpenSky Support

organisation name

UCAR/NCAR - Library

full postal address

PO Box 3000

Boulder

80307-3000

email address

opensky@ucar.edu

web address

http://opensky.ucar.edu/

name: homepage

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pointOfContact

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