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Calculate the flux of oxygen between the ocean and the atmosphere, given that: Temp = 18°C Salinity = 35 ppt Density = 1025 kg/m3 Oxygen concentration measured in bulk water = 263.84 mmol/m3 Wind speed = 7.4 m/s Oxygen concentration at saturation= 234 μmol/kg-1 =239.85 mmol/m-3 Oxygen is observed to be about 10% initially supersaturated

Calculate the flux of oxygen between the ocean and the atmosphere, given that: Temp = 18°C Salinity = 35 ppt Density = 1025 kg/m3 Oxygen concentration measured in bulk water = 263.84 mmol/m3 Wind speed = 7.4 m/s Oxygen concentration at saturation= 234 μmol/kg-1 =239.85 mmol/m-3 Oxygen is observed to be about 10% initially supersaturated

Introduction to Chemical Engineering Thermodynamics
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
Problem 1.1P
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Calculate the flux of oxygen between the ocean and the atmosphere, given that: Temp = 18°C Salinity = 35 ppt Density = 1025 kg/m3 Oxygen concentration measured in bulk water = 263.84 mmol/m3 Wind speed = 7.4 m/s Oxygen concentration at saturation= 234 μmol/kg-1 =239.85 mmol/m-3 Oxygen is observed to be about 10% initially supersaturated
● ● . eG ● Atmospheric Exchange: Flux 8.0u² Sc 05 Flux = 8.0u² Sc 05 Example: Calculate the flux if the observed oxygen concentration is 10% supersaturated, giv Temp = 18°C Salinity = 35 ppt Density=1025 kg/m³ (1.025 g/cm³) ([G], [G]w) e = cm/hr (for m/d use 1.92 u²/Scº.5) u = wind speed in m/s, normalized to standard height of 10m Sc = the Schmidt number, calculated for each gas, temperature and salinity [G], = calculated gas concentration at interface (mol/m³) [G]w measured gas concentration in bulk liquid (mol/m³) = Oxygen concentration measured in bulk water = 263.84 mmol/m³ Wind speed = 7.4 m/s How does the flux change if the temperature is 20°C? ...... What is calcula about t e U = 7. [G]w= 225
Transcribed Image Text:● ● . eG ● Atmospheric Exchange: Flux 8.0u² Sc 05 Flux = 8.0u² Sc 05 Example: Calculate the flux if the observed oxygen concentration is 10% supersaturated, giv Temp = 18°C Salinity = 35 ppt Density=1025 kg/m³ (1.025 g/cm³) ([G], [G]w) e = cm/hr (for m/d use 1.92 u²/Scº.5) u = wind speed in m/s, normalized to standard height of 10m Sc = the Schmidt number, calculated for each gas, temperature and salinity [G], = calculated gas concentration at interface (mol/m³) [G]w measured gas concentration in bulk liquid (mol/m³) = Oxygen concentration measured in bulk water = 263.84 mmol/m³ Wind speed = 7.4 m/s How does the flux change if the temperature is 20°C? ...... What is calcula about t e U = 7. [G]w= 225
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