000 | 02256nab a22002894ib4500 | ||
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003 | PH-QcNFR | ||
005 | 20240621093332.0 | ||
008 | 230801b |||||||| |||| 00| 0 eng d | ||
022 | _a2672-2836 (Online) | ||
040 |
_aPH-QcNFR _beng _cPH-QcNFR |
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100 | 1 |
_aMegia, Teodoro _91890 |
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245 | 1 | 4 |
_aThe Thermal structure of the surface waters off western Philippines based on BT observations / _cTeodoro Megia and Alfonso R. Sebastian. |
336 |
_atxt _btxt |
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337 |
_ac _bc |
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338 |
_acr _bcr |
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347 |
_atext file _bPDF |
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504 | _aIncludes bibliographical references | ||
520 | 3 | _aWithin the lighted portion of the water column in Philippine waters there are two distinct layers easily distinguishable by their thermal structure. Superimposed upon the discontinuity layer or the main thermocline is the mixed or isothermal layer of uniformly high temperature. Owing to phytoplankton activity, the isothermal layer is generally deficient in the chemical nutrients known to regulate and limit plant growth. The thermocline below militates against the vertical movements of the richer waters beneath it, as a consequence of which there is no active replenishment of the impoverished waters within the isothermal layer. While it is highly desirable to study the thermal structure of both layers in order to acquire a more thorough understanding of the mechanisms controlling nutrient exchange, the BT (bathythermograph) tows did not penetrate deep enough to reach the lower boundary of the main thermocline. The maximum BT penetration never exceeded 150 meters. Below this depth there were still evident significant temperature gradients as shown by the vertical temperature distribution curves based on the hydrographic data. | |
546 |
_aeng _beng |
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650 |
_aOceanography _zPhilippines. _2LCSH _9490 |
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650 |
_aHydrology _zPhilippines _2LCSH _91911 |
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650 |
_aHydrography _2LCSH _91912 |
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700 | 1 |
_aSebastian, Alfonso R. _eauthor. |
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773 | 0 |
_078 _9127 _aPhilippines. _oIRC00002 _tThe Philippine Journal of Fisheries _x2672-2836 (Online) _gVolume 1, Issue no. 2 (July - December 1951), page 139 - 152 |
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856 |
_2https _uhttps://www.nfrdi.da.gov.ph/tpjf/vol1_2/pp%20139-152.php _yOnline access |
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942 |
_2lcc _n0 _cJA _iIMC000008 |
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_c470 _d470 |