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dc.contributor.authorPaquette, Robert G.
dc.contributor.authorBourke, Robert H.
dc.date1976-05
dc.date.accessioned2013-02-27T23:37:31Z
dc.date.available2013-02-27T23:37:31Z
dc.date.issued1976-05
dc.identifier.urihttp://hdl.handle.net/10945/29422
dc.description.abstractContinuous profiles of temperature and salinity (STD observations) were made in the shallow (approximately 45 m) Bering and Chukchi Seas in July 1974 as part of the MIZPAC program. In addition to measurements in ice-free waters, seven closely spaced crossings of the sea-ice margin were made along with two crossings of the Alaskan coastal zone. In all, 111 STD stations and approximately 100 XBT drops were made for which graphs and tabulations were produced of temperature, salinity, density and sound speed. South of the ice the water is sharply layered with a warm fresh layer (8-10 C and approximately 10m thick) above a cold dense layer. At or near the sea-ice margin the layering gradually disappears with modification of isopycnals and isotherms extending to the bottom. Large scale temperature fluctuations of 0.5 to 2 C, termed mesostructure, were observed at 12-15m depth in the first three crossings, but were weak or absent in the other crossings. Mesostructure appears to be correlated with a relatively rapid melting of the ice, and hence, probably with a strong northward flow, or a diffuse ice margin . Mesostructure formation is believed to result from non-uniform lateral mixing of waters of different temperatures but the same density, possibly modified or controlled by a complex lateral pressure field near the ice. (Author)en_US
dc.description.sponsorshipsupported in part by the Arctic Submarine Laboratory, Naval Undersea Center, San Diego, California under Project Order Nos. 4-0025 and 00080.en_US
dc.description.urihttp://archive.org/details/oceanographicinv00paqu
dc.language.isoen_US
dc.publisherMonterey, California. Naval Postgraduate Schoolen_US
dc.rightsThis publication is a work of the U.S. Government as defined in Title 17, United States Code, Section 101. As such, it is in the public domain, and under the provisions of Title 17, United States Code, Section 105, may not be copyrighted.en_US
dc.subject.lcshFLUID DYNAMICS--MATHEMATICAL MODELS.en_US
dc.titleOceanographic investigation of the marginal sea ice zone of the Chukchi Sea -- MIZPAC 1974en_US
dc.typeTechnical Reporten_US
dc.contributor.corporateNaval Postgraduate School (U.S.)
dc.subject.authorMarginal Sea Ice Zoneen_US
dc.subject.authorUndersea Warfareen_US
dc.subject.authorThermal Mesostructureen_US
dc.subject.authorChukchi Seaen_US
dc.subject.authorPhysical Oceanographyen_US
dc.subject.authorSound Speeden_US
dc.subject.authorCirculationen_US
dc.subject.authorMIZPACen_US
dc.subject.authorArctic Oceanen_US
dc.subject.authorDynamic Oceanographyen_US
dc.subject.authorMicrostructureen_US
dc.identifier.npsreportNPS-58PA76051


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