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| 02462cam 2200421zi 4500 |
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| 001 | 9.870612 |
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| 003 | CaOODSP |
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| 005 | 20221107163150 |
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| 006 | m o d f |
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| 007 | cr nn||||||||| |
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| 008 | 190326q1987 oncd ob f000 0 eng d |
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| 040 | |aCaOODSP|beng|erda|cCaOODSP |
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| 041 | |aeng|bfre |
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| 043 | |an-cn-on |
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| 086 | 1 |aEn13-5/87-161E-PDF |
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| 100 | 1 |aBukata, R. P., |eauthor. |
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| 245 | 10|aRelationships among Secchi disk depth, beam attenuation coefficient, and irradiance attenuation coefficient for Great Lakes waters / |cby R.P. Bukata, J. H. Jerome and J. E. Bruton. |
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| 264 | 1|aBurlington, Ontario : |bRivers Research Branch, National Water Research Institute, Canada Centre for Inland Waters, |c[1987]. |
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| 300 | |a1 online resource (16, [13] pages) : |bcharts |
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| 336 | |atext|btxt|2rdacontent |
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| 337 | |acomputer|bc|2rdamedia |
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| 338 | |aonline resource|bcr|2rdacarrier |
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| 490 | 1 |aNWRI contribution ; |v87-161 |
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| 500 | |aCover title. |
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| 500 | |aDigitized edition from print [produced by Environment and Climate Change Canada]. |
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| 504 | |aIncludes bibliographical references (pages 15-16). |
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| 520 | 3 |a"Optical data collected between 1973 and 1979 are utilized to discuss the relationships among the directly observed Secchi disk depths and the directly measured total attenuation coefficients and irradiance attenuation coefficients in Lakes Erie, Ontario, Superior and Huron, as well as Georgian Bay. Tables and curves are presented depicting these mathematical relationships obtained by statistical regressions. These relationships are used to effect an intercomparison of the four Laurentian Great Lakes. In addition, subsurface, vertically downward sighting ranges are estimated and compared to the Secchi disk depths as determined from the mathematical regressions"--Abstract. |
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| 546 | |aIncludes management perspective and abstract in French. |
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| 692 | 07|2gccst|aWater quality |
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| 693 | 4|aSecchi disk depth |
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| 700 | 1 |aJerome, John H. |q(John Harvey)|eauthor. |
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| 700 | 1 |aBruton, J. E., |eauthor. |
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| 710 | 1 |aCanada. |bEnvironment Canada. |
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| 710 | 2 |aNational Water Research Institute (Canada). |bRivers Research Branch. |
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| 710 | 2 |aCanada Centre for Inland Waters. |
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| 830 | #0|aNWRI contribution ;|v87-161.|w(CaOODSP)9.844121 |
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| 856 | 40|qPDF|s1.94 MB|uhttps://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-87-161-eng.pdf |
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