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  • 1
    Online Resource
    Online Resource
    Ventilation rate of the deep Arctic Ocean from carbon 14 data
    American Geophysical Union (AGU) ; 1987
    In:  Journal of Geophysical Research: Oceans Vol. 92, No. C4 ( 1987-04-15), p. 3769-3777
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 92, No. C4 ( 1987-04-15), p. 3769-3777
    Abstract: Application of mass balances of 18 O, tritium and salt, plus 14 C data show that the deep Eurasian Basin exchanges water with the subarctic Atlantic Ocean on a time scale of 10 to 100 years, while the deep Canada Basin has an exchange time scale of about 700 years. Only small fractions, less than 10 to 15% of the deep waters, originate from the shelves. The deep Canada Basin cannot consist of fossil water from glacial time or from the latest cool climate spell, just 100 to 300 years ago.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JC092iC04p03769
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1987
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  • 2
    Online Resource
    Online Resource
    Artificial radionuclide tracer supply to the Denmark Strait overflow between 1972 and 1981
    American Geophysical Union (AGU) ; 1985
    In:  Journal of Geophysical Research: Oceans Vol. 90, No. C4 ( 1985-07-20), p. 6971-6982
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 90, No. C4 ( 1985-07-20), p. 6971-6982
    Abstract: Measurements of the concentrations of the artificial radionuclides 3 H, 137 Cs, and 90 Sr in the northern Irminger Sea in 1972 and 1981 are reported. In both years, tracer measurements from this area included data from samples of the dense overflow water from the north through Denmark Strait. All three tracers were strongly correlated inversely with salinity in the dense outflows—the tracer maxima being related directly to the salinity minimum. When the tracer characteristics in the outflows in 1972 and 1981 were compared, concentrations of all in 1981 were observed to be about double the 1972 values. The individual tracer concentrations—on a decay‐corrected, density‐normalized basis—were higher in increasing order: 90 Sr (+93%) 〈 3 H (+115%) 〈 137 Cs (+150%). The relatively greater increases for 3 H and 137 Cs were attributed to contributions of new sources of these tracers in northern surface waters: the 3 H source is argued to derive from atmospheric hydrological recycling, whereas the 137 Cs source is identified as the input to the Greenland and Iceland seas of advected European nuclear fuel reprocessing wastes. Both the tracer and hydrographic data are used to identify northern locations of intermediate water formation capable of supplying the observed dense overflow water characteristics. It is argued, from the time taken for the overflow water to reflect the new surface 137 Cs source, that transport from the source to the overflow can be quite rapid (about 2 years).
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JC090iC04p06971
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1985
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  • 3
    Online Resource
    Online Resource
    The origin of Norwegian Sea Deep Water
    American Geophysical Union (AGU) ; 1988
    In:  Journal of Geophysical Research: Oceans Vol. 93, No. C4 ( 1988-04-15), p. 3563-3569
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 93, No. C4 ( 1988-04-15), p. 3563-3569
    Abstract: A nearly homogeneous water mass, the Norwegian Sea Deep Water, is found below 2000‐m depth in the Norwegian and Lofoten basins of the Norwegian Sea. Recent observations indicate that this water is a mixture of relatively cold and fresh Greenland Sea Deep Water with warmer, saltier Eurasian Basin Deep Water from the Arctic Ocean. We have found this mixture along the western and southern periphery of the Greenland Sea, near the level where the pressure‐compensated densities of the parent water masses are equal. The along‐isopycnal mixing produces a remarkably uniform water mass, which can be traced only a short distance away from its entry into the Norwegian Sea through gaps in the mid‐ocean ridge north of Jan Mayen Island. Direct measurements of flow through these gaps confirm motion in the proper sense to accomplish this connection.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JC093iC04p03563
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1988
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  • 4
    Online Resource
    Online Resource
    The tritium:krypton‐85 age of Denmark Strait Overflow Water and Gibbs Fracture Zone Water just south of Denmark Strait
    American Geophysical Union (AGU) ; 1989
    In:  Journal of Geophysical Research: Oceans Vol. 94, No. C6 ( 1989-06-15), p. 8265-8275
    Details
    In: Journal of Geophysical Research: Oceans, American Geophysical Union (AGU), Vol. 94, No. C6 ( 1989-06-15), p. 8265-8275
    Abstract: The opposite time trends of the input of tritium and 85 Kr to the surface ocean produce a tritium: 85 Kr ratio for surface water that is a strong function of time and this ratio was used to determine the age of Denmark Strait Overflow Water (DSOW) and Gibbs Fracture Zone Water (GFZW) just south of Denmark Strait. DSOW and GFZW were identified by their temperature, salinity, oxygen, and silica characteristics in a section of stations 460 km south of Denmark Strait taken during the Transient Tracers in the Ocean/North Atlantic Study expedition in 1981. DSOW was the densest water observed in the section and there were two types, a low salinity type and a slightly higher salinity, more dense type. Both types originated from Arctic Intermediate Water (AIW) behind the Greenland‐Iceland ridge. The tritium and 85 Kr data reveal that the low salinity type resided behind the Greenland‐Iceland ridge for about 1 year before flowing into the Irminger Sea, compared to about 15 years for the higher salinity type. The volume transport of the low salinity type of DSOW was estimated to have a lower limit of 0.8 Sv. GFZW forms in the northeastern Atlantic from a mixture of water flowing out of the Norwegian Sea at about 900 m depth and the northeastern Atlantic water into which it flows. About 70% of the tritium and 85 Kr burden of GFZW comes from northeastern Atlantic water and 30% from Norwegian Sea water. The age of GFZW just south of Denmark Strait relative to its formation in the northeastern Atlantic is 7.5+4/−6.5 years which corresponds to a mean current speed of 1.6+10.1/−0.6 cm/s.
    Type of Medium: Online Resource
    ISSN: 0148-0227
    URL: Article
    DOI: 10.1029/JC094iC06p08265
    Language: English
    Publisher: American Geophysical Union (AGU)
    Publication Date: 1989
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  • 5
    Online Resource
    Online Resource
    Results of the Prospective Evaluation of Radial Keratotomy (PERK) Study One Year After Surgery
    Elsevier BV ; 1985
    In:  Ophthalmology Vol. 92, No. 2 ( 1985-02), p. 177-307
    Details
    In: Ophthalmology, Elsevier BV, Vol. 92, No. 2 ( 1985-02), p. 177-307
    Type of Medium: Online Resource
    ISSN: 0161-6420
    URL: Article
    DOI: 10.1016/S0161-6420(85)34054-X
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    XA 10000
    Language: English
    Publisher: Elsevier BV
    Publication Date: 1985
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  • 6
    Online Resource
    Online Resource
    Release of neuronotrophic factor from rabbit corneal epithelium during wound healing and nerve regeneration
    Elsevier BV ; 1987
    In:  Experimental Eye Research Vol. 45, No. 5 ( 1987-11), p. 633-646
    Details
    In: Experimental Eye Research, Elsevier BV, Vol. 45, No. 5 ( 1987-11), p. 633-646
    Type of Medium: Online Resource
    ISSN: 0014-4835
    URL: Article
    DOI: 10.1016/S0014-4835(87)80112-4
    RVK:
    XA 10000
    Language: English
    Publisher: Elsevier BV
    Publication Date: 1987
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