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Diurnal heat balance for the northern Monterey Bay inner shelf Public Deposited

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  • 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.
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  • 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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  • This is contribution 398 from PISCO, the Partnership for Interdisciplinary Studies of Coastal Oceans, funded primarily by the Gordon and Betty Moore Foundation and David and Lucile Packard Foundation.
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  • description.provenance : Made available in DSpace on 2012-06-25T18:29:54Z (GMT). No. of bitstreams: 1 SuandaSHCEOASDiurnalHeatBalance.pdf: 1163173 bytes, checksum: aa7874407d64016d9807ecb55820e024 (MD5) Previous issue date: 2011
  • description.provenance : Submitted by Deborah Campbell (deborah.campbell@oregonstate.edu) on 2012-06-25T18:29:54Z No. of bitstreams: 1 SuandaSHCEOASDiurnalHeatBalance.pdf: 1163173 bytes, checksum: aa7874407d64016d9807ecb55820e024 (MD5)

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