oceanography pg16.html

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<B><strong>Physical Properties of Sea Water </U>
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></B>1. Highest specific heat of all liquids except ammonia (store house of heat)<FONT size="+1"> </P
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><FONT size="+1">2. Temperature ranges if sea is much less than land<FONT size="+1"> </P
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><FONT size="+1">Sea: 29 F to 80 F (usual range)<FONT size="+1"> </P
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><FONT size="+1">Land: -60 to - 70 to 120 F Ranges<FONT size="+1"> </P
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><FONT size="+1">Sea: (IF day might temperature difference)<FONT size="+1"> </P
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><FONT size="+1">Freezing Point - not definite<FONT size="+1"> </P
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><FONT size="+1">-4 C usually will freeze or 28.4 degrees F<FONT size="+1"> </P
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><FONT size="+1">Depends upon salinity &amp; pressure<FONT size="+1"> </P
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><FONT size="+1">Role of Rock salt on winter salt<FONT size="+1"> </P
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><FONT size="+1">Reversing thermometer -<FONT size="+1"> <br>
<FONT size="+1" color="#000000"></B>Negetti + Zanbra (Br) 1874: Allows for temperature at different depths<FONT size="+1"> </P
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><FONT size="+1">Rechtor (German)<FONT size="+1"> </P
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><FONT size="+1">(Mercury readout)<FONT size="+1"> </P
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><FONT size="+1">Must be protected against pressure: Deformation<FONT size="+1"> </P
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><FONT size="+1">Thermograph (fixed) vs. Bathy Thermograph<FONT size="+1"> </P
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><FONT size="+1">Bathy thermograph (toward): towed - glass plate - torpedo shaped<FONT size="+1"> </P
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><FONT size="+1">Viscosity: ability to flow - Stokes Law - medium, shape, density of sea water, gravity<FONT size="+1"> </P
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><FONT size="+1">Sea H2O greater than the fresh H2O<FONT size="+1"> </P
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><FONT size="+1">Eddy vs. laminar flow<FONT size="+1"> </P
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><FONT size="+1">Density - eggs float in ocean very few sink or attach to rock<FONT size="+1"> </P
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><FONT size="+1">Rate of Sinking inversely proportioned to viscosity but directly proportion to specific<FONT size="+1"> </P
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><FONT size="+1">gravity of body &amp; medium (Stokes law)<FONT size="+1"> </P
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><U><FONT size="+1"><strong><B>Sampling &amp; Analysis:</strong> </U></P
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></B>1. H20 Bottle - series in line trip &amp; fill by weight stoppered - Van Dom &amp; Nansen<FONT size="+1"> </P
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><FONT size="+1">Bottle<FONT size="+1"> </P
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><FONT size="+1">2. Titration: sample &amp; scale on a bottle for farther use - Silver Nitrate reaction<FONT size="+1"> </P
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><FONT size="+1">3. Test salinity by density a conductivity or refraction index - Sigmat - Temperature<FONT size="+1"> </P
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><FONT size="+1">sensitive<FONT size="+1"> </P
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><FONT size="+1">Composition of Sea H20 Xtra with AgNOs<FONT size="+1"> </P
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><FONT size="+1">K chromate indicator<FONT size="+1"> </P
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><FONT size="+1">Salinity as function of chlorinity<FONT size="+1"> </P
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><FONT size="+1">(g per Kg)<FONT size="+1"> </P
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><FONT size="+1">(X 1.805 + add 0.03)<FONT size="+1"> </P
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><FONT size="+1">Density - mass per unit volume<FONT size="+1"> </P
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><FONT size="+1">(g per cc @ 4 C)<FONT size="+1"> </P
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><FONT size="+1">If reference to distilled H2O @ 4 C<FONT size="+1"> </P
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><FONT size="+1">Specific gravity<FONT size="+1">