Record Details

Diurnal heat balance for the northern Monterey Bay inner shelf

ScholarsArchive at Oregon State University

Field Value
Title Diurnal heat balance for the northern Monterey Bay inner shelf
Names S. H. Suanda, S. H. (creator)
Barth, J. A. (creator)
Woodson, C. B. (creator)
Date Issued 2011 (iso8601)
Note This is the publisher's version of record. The original submission is copyrighted by American Geophysical Union and can be found here: http://www.agu.org/
Abstract In the summer of 2007, physical measurements including velocity from acoustic Doppler current profilers, surface gravity wave heights measured acoustically, and temperature from thermistor chain arrays were collected along- and across- the mid to inner shelf (water depths from 10–60 m) in northern Monterey Bay. The oceanic response to a strong (8–15 m s⁻¹ daily maximum) along-shelf sea breeze is examined by evaluating the diurnal heat budget over a cross-shelf section of the inner shelf. The diurnal heat budget closes to within the 95% confidence level with daily warming and cooling periods explained by two separate, but related processes. During evening/early morning warming period, 77% of the observed temperature increase is due to along-shelf advection of a temperature gradient within the upwelling shadow zone, a process which is arrested during the period of wind-forcing. In contrast, 75% of the afternoon cooling period is explained by the cross-shelf heat flux driven by diurnal along-shelf winds. In this study, diurnal tides are found to contribute less than 10% of the observed temperature variability and surface gravity waves do not show any significant diurnal variability. Richardson number estimates show that, on average, wind-induced shear is not strong enough to erode the strength of water column stratification within the upwelling shadow.
Genre Article
Identifier Suanda, S. H., J. A. Barth, and C. B. Woodson (2011), Diurnal heat balance for the northern Monterey Bay inner shelf, Journal of Geophysical Research, 116, C09030, doi:10.1029/2010JC006894.

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