ocean acidification: perspective with mohid
TRANSCRIPT
![Page 1: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/1.jpg)
OCEAN ACIDIFICATION:
PERSPECTIVE WITH
MOHID
Marta López Mozos- MARETEC (IST)
MOHIDing
11th and 12th December 2019, Lisbon
![Page 2: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/2.jpg)
Atmospheric carbon dioxide
NOAA, 2019
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CO2 in seawater
Ocean Acification program,
NOAA, 2019
![Page 4: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/4.jpg)
CO2 in seawater
Ocean Acification program,
NOAA, 2019
![Page 5: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/5.jpg)
CO2 in seawater
Ocean Acification program,
NOAA, 2019
![Page 6: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/6.jpg)
CO2 in seawater
Ocean Acification program,
NOAA, 2019
![Page 7: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/7.jpg)
Ocean acidification
Ocean Acification program,
NOAA, 2019
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Ocean acidification and calcification
Modified from Ocean Acification
program, NOAA, 2019
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Ocean acidification and calcification
Modified from Ocean Acification
program, NOAA, 2019
![Page 10: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/10.jpg)
Ocean acidification and calcification
Modified from Ocean Acification
program, NOAA, 2019
![Page 11: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/11.jpg)
How we model this process?
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CO2 in seawater
• CO2 seawater system = four parameters
- Alkalinity
- DIC (Dissolved Inorganic Carbon)
- pCO2/fCO2 (Partial pressure of CO2/fugacity)
- pH
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CO2 in seawater
• CO2 seawater system = four parameters
- Alkalinity
- DIC (Dissolved Inorganic Carbon)
- pCO2/fCO2 (Partial pressure of CO2/fugacity)
- pH
![Page 14: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/14.jpg)
CO2 in seawater
• CO2 seawater system = four parameters
- Alkalinity
- DIC (Dissolved Inorganic Carbon)
- pCO2/fCO2 (Partial pressure of CO2/fugacity)
- pH
Zeebe and Wolf-Gladrow, 2001
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CO2 in seawater
• CO2 seawater system = four parameters
- Alkalinity
- DIC (Dissolved Inorganic Carbon)
- pCO2/fCO2 (Partial pressure of CO2/fugacity)
- pH
Wolf-Gladrow et al., 2007
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MOHID Water
Model Water
properties
Life Water
quality
Hydrodynamic Cequal Many others
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MOHID water
Model Water
properties
Life Water
quality
Hydrodynamic Cequal Many others
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MOHID water
Model Water
properties
Life Water
quality
Hydrodynamic Cequal Many others
CO2 SYSTEM:
NEW MODULE
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CO2 system: new module
• Two master variables
- Alkalinity
- DIC
• Calcium carbonate dissolution and precipitation
• Support of CO2Sys program
(Lewis et al., 1998)
• Expected outputs: alkalinity, DIC, pH, pCO2,
between many others
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CO2 system module: accurate and challenges
CO2
SYSTEM :
NEW
MODULE
PROGRAMMING DIFFICULTIES:
- New cycles: calcium carbonate precipitation
and dissolution. Sulphure cycle ? Improvement
of Water Quality?
- Construction of a new module, dependent on
other modules
- To add CO2Sys program
- New module = low computational cost
INPUTS FOR THE MODULE:
• Chemical constants depend on temperature
and pressure and are high sensitives.
• WATER QUALITY module doesn’t model CO2.
![Page 21: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/21.jpg)
CO2 system module: accurate and challenges
CO2
SYSTEM :
NEW
MODULE
PROGRAMMING DIFFICULTIES:
- New cycles: calcium carbonate precipitation
and dissolution. Sulphure cycle ? Improvement
of Water Properties?
- Construction of a new module, dependent on
other modules
- To add CO2Sys program
- New module = low computational cost
INPUTS FOR THE MODULE:
• Chemical constants depend on temperature
and pressure and are high sensitives.
• WATER PROPERTIES module doesn’t model the
CO2.
![Page 22: OCEAN ACIDIFICATION: PERSPECTIVE WITH MOHID](https://reader036.vdocuments.mx/reader036/viewer/2022081623/6156fdf2a097e25c764fd13d/html5/thumbnails/22.jpg)
CO2 system module: forcings and initial conditions
CO2
SYSTEM :
NEW
MODULE
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THANK YOU FOR YOUR ATTENTION
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OCEAN ACIDIFICATION:
PERSPECTIVE WITH
MOHID
Marta López Mozos- MARETEC (IST)
MOHIDing
11th and 12th December 2019, Lisbon