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Biofilter in-situ incubation PowerPoint Presentation
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Biofilter in-situ incubation

Biofilter in-situ incubation

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Biofilter in-situ incubation

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  1. Biofilter in-situ incubation Ken Collins Southampton Oceanography Centre

  2. mixing pump Oxygen electrode Sampling pump

  3. Control – seawater only Biofilter + seawater

  4. Winkler bottle Pump batteries Oxygen meter

  5. Slovenia +

  6. Temperature effect Q10 ln Q10 = [10/(T2-T1)] ln k2/k1 if Q10 = 2,, T2 = 20oC, T1= 15oC ln 2 = [10/(20-15)] ln k20/k15 .693 = 2 ln k20/k15 k20= 1.414 k15

  7. Slovenia +

  8. Average respiration rate at 20oC = 53 +/_ 16 umolO2 gAFDW-1 h-1 oxygen consumption - carbon flux (1mole O2 = 1mole C) - nutrient flux (Redfield ratio C:N:P=106:16:1) - filtration rate