Designing a Mega-Fog

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Considering some of the answers given in a previous question, I would like to ask what climatic phenomenon would be necessary to generate a mega-fog, thick enough to at least reduce the intensity of sunlight on a hypothetical planet.



In the previous thread it was indicated that perhaps it would be convenient to achieve this end would be the continuous generation of volcanic ash, but it would be unoriginal in relation to sagas such as Mistborn, by Brandon Sanderson, or Tolkien's Mordor itself.



What I'm looking for is a mega-fog. A fog originated naturally, but exaggerated. What causes would this mega-fog have? What effects would it have on the ecosystem?










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  • well, just have your atmosphere be composed of something blocking the visual spectrum. Our atmosphere blocks a significant amount of sunlight from reaching the surface. The reason we see the visual spectrum is because it is a big part of what the atmosphere lets through - that is not much though. Or are you asking about a planet that is much earth-like and sustain earth-like life? If yes, you should specify that in your question as it drastically lowers the amount of possible answers.
    – ArtificialSoul
    3 hours ago











  • As ArtificialSoul state, we see in the visual spectrum with optimal performance at "daylight" intensities because that is what works on Earth's surface. Any creatures in a different environment (eg deep oceanic) "see" with what works there - they do not perceive it as "dark" because by their standards it is not. So your viewpoint characters will not perceive their world as "dark" unless they are visitors from Earth or somewhere with equivalent light levels.
    – KerrAvon2055
    36 mins ago














up vote
2
down vote

favorite












Considering some of the answers given in a previous question, I would like to ask what climatic phenomenon would be necessary to generate a mega-fog, thick enough to at least reduce the intensity of sunlight on a hypothetical planet.



In the previous thread it was indicated that perhaps it would be convenient to achieve this end would be the continuous generation of volcanic ash, but it would be unoriginal in relation to sagas such as Mistborn, by Brandon Sanderson, or Tolkien's Mordor itself.



What I'm looking for is a mega-fog. A fog originated naturally, but exaggerated. What causes would this mega-fog have? What effects would it have on the ecosystem?










share|improve this question





















  • well, just have your atmosphere be composed of something blocking the visual spectrum. Our atmosphere blocks a significant amount of sunlight from reaching the surface. The reason we see the visual spectrum is because it is a big part of what the atmosphere lets through - that is not much though. Or are you asking about a planet that is much earth-like and sustain earth-like life? If yes, you should specify that in your question as it drastically lowers the amount of possible answers.
    – ArtificialSoul
    3 hours ago











  • As ArtificialSoul state, we see in the visual spectrum with optimal performance at "daylight" intensities because that is what works on Earth's surface. Any creatures in a different environment (eg deep oceanic) "see" with what works there - they do not perceive it as "dark" because by their standards it is not. So your viewpoint characters will not perceive their world as "dark" unless they are visitors from Earth or somewhere with equivalent light levels.
    – KerrAvon2055
    36 mins ago












up vote
2
down vote

favorite









up vote
2
down vote

favorite











Considering some of the answers given in a previous question, I would like to ask what climatic phenomenon would be necessary to generate a mega-fog, thick enough to at least reduce the intensity of sunlight on a hypothetical planet.



In the previous thread it was indicated that perhaps it would be convenient to achieve this end would be the continuous generation of volcanic ash, but it would be unoriginal in relation to sagas such as Mistborn, by Brandon Sanderson, or Tolkien's Mordor itself.



What I'm looking for is a mega-fog. A fog originated naturally, but exaggerated. What causes would this mega-fog have? What effects would it have on the ecosystem?










share|improve this question













Considering some of the answers given in a previous question, I would like to ask what climatic phenomenon would be necessary to generate a mega-fog, thick enough to at least reduce the intensity of sunlight on a hypothetical planet.



In the previous thread it was indicated that perhaps it would be convenient to achieve this end would be the continuous generation of volcanic ash, but it would be unoriginal in relation to sagas such as Mistborn, by Brandon Sanderson, or Tolkien's Mordor itself.



What I'm looking for is a mega-fog. A fog originated naturally, but exaggerated. What causes would this mega-fog have? What effects would it have on the ecosystem?







reality-check






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asked 3 hours ago









Jano Moore

1475




1475











  • well, just have your atmosphere be composed of something blocking the visual spectrum. Our atmosphere blocks a significant amount of sunlight from reaching the surface. The reason we see the visual spectrum is because it is a big part of what the atmosphere lets through - that is not much though. Or are you asking about a planet that is much earth-like and sustain earth-like life? If yes, you should specify that in your question as it drastically lowers the amount of possible answers.
    – ArtificialSoul
    3 hours ago











  • As ArtificialSoul state, we see in the visual spectrum with optimal performance at "daylight" intensities because that is what works on Earth's surface. Any creatures in a different environment (eg deep oceanic) "see" with what works there - they do not perceive it as "dark" because by their standards it is not. So your viewpoint characters will not perceive their world as "dark" unless they are visitors from Earth or somewhere with equivalent light levels.
    – KerrAvon2055
    36 mins ago
















  • well, just have your atmosphere be composed of something blocking the visual spectrum. Our atmosphere blocks a significant amount of sunlight from reaching the surface. The reason we see the visual spectrum is because it is a big part of what the atmosphere lets through - that is not much though. Or are you asking about a planet that is much earth-like and sustain earth-like life? If yes, you should specify that in your question as it drastically lowers the amount of possible answers.
    – ArtificialSoul
    3 hours ago











  • As ArtificialSoul state, we see in the visual spectrum with optimal performance at "daylight" intensities because that is what works on Earth's surface. Any creatures in a different environment (eg deep oceanic) "see" with what works there - they do not perceive it as "dark" because by their standards it is not. So your viewpoint characters will not perceive their world as "dark" unless they are visitors from Earth or somewhere with equivalent light levels.
    – KerrAvon2055
    36 mins ago















well, just have your atmosphere be composed of something blocking the visual spectrum. Our atmosphere blocks a significant amount of sunlight from reaching the surface. The reason we see the visual spectrum is because it is a big part of what the atmosphere lets through - that is not much though. Or are you asking about a planet that is much earth-like and sustain earth-like life? If yes, you should specify that in your question as it drastically lowers the amount of possible answers.
– ArtificialSoul
3 hours ago





well, just have your atmosphere be composed of something blocking the visual spectrum. Our atmosphere blocks a significant amount of sunlight from reaching the surface. The reason we see the visual spectrum is because it is a big part of what the atmosphere lets through - that is not much though. Or are you asking about a planet that is much earth-like and sustain earth-like life? If yes, you should specify that in your question as it drastically lowers the amount of possible answers.
– ArtificialSoul
3 hours ago













As ArtificialSoul state, we see in the visual spectrum with optimal performance at "daylight" intensities because that is what works on Earth's surface. Any creatures in a different environment (eg deep oceanic) "see" with what works there - they do not perceive it as "dark" because by their standards it is not. So your viewpoint characters will not perceive their world as "dark" unless they are visitors from Earth or somewhere with equivalent light levels.
– KerrAvon2055
36 mins ago




As ArtificialSoul state, we see in the visual spectrum with optimal performance at "daylight" intensities because that is what works on Earth's surface. Any creatures in a different environment (eg deep oceanic) "see" with what works there - they do not perceive it as "dark" because by their standards it is not. So your viewpoint characters will not perceive their world as "dark" unless they are visitors from Earth or somewhere with equivalent light levels.
– KerrAvon2055
36 mins ago










1 Answer
1






active

oldest

votes

















up vote
4
down vote













Pollution



In Victorian era London so much coal was burned and so many industrial pollutants were in the air that the infamous "Pea Soup" began. The pollution reacted with the climate to produce a dense, foul smelling, toxic fog that would periodically blanket London. The worst instance of Pea Soup actually killed 12,000 people over the course of a few weeks in 1952. The main cause for this was twofold, particulate pollution in the form of very fine soot allowed London's natural fog to form much thicker and more easily. The cause for the Pea Soup's lethality was sulfur dioxide from the burning of cheap low grade coal.



The ecological effects of this phenomenon were very wide ranging. One of which was that it blotted out sunlight and made many species of plants unable to grow. it even effected the evolution of some local species of moth. The trees which they took shelter on had white bark, so they had evolved to be white, but after decades of industrial pollution the trees bark and become black, and the moths had evolved over generations to be black as well. Animals and people alike suffered from severe respiratory illnesses, sometimes even resulting in death. In one historical account a housewife's chief complaint with the toxic fog was that it made laundry harder to dry because it made everything damp and blocked the sunlight. Interestingly enough, people of the era didn't rarely seemed to make much connection between the foul smog and the thousands of respiratory deaths every year and primarily bemoaned the smell and the difficulty it caused with everyday tasks. Point being is that looking back on it today we an see that the millions of coal burning ovens, factories, and steam engines had rendered London so polluted to the point that we probably wouldn't consider it safely habitable by today's standards.



Possible Natural Cause



Now, I know that the whole "careless industry and greed of man poisoned the planet" thing is kind of an overdone cliche now days, but hear me out. What if it was a naturally occurring pollutant? You've got a planet that has lots of smallish landmasses covered in swamps, essentially many continents the size of the UK or new Zealand in an ocean much larger than ours. Over time these island-swamps have built up massive low grade coal beds, and after millions of more years have risen a wee bit to become forests and grass lands. The same tectonic activity that has pushed these many micro-continents upwards out of the vast ocean also has forced these massive coal beds to the surface. Lighting strikes have ignited them and the entire planet is essentially belching sulfur dioxide and soot from gargantuan natural coal fires. The proximity to the humid ocean air means that the soot and humidity combine to form a constant murky miasma of foul smelling fog that blankets large portions of the planet.






share|improve this answer






















  • Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
    – JBH
    2 hours ago










  • It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
    – TCAT117
    2 hours ago










  • Is there a practical difference between coal soot and volcanic ash for the purpose described?
    – JBH
    2 hours ago










  • Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
    – TCAT117
    2 hours ago










Your Answer




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1 Answer
1






active

oldest

votes








1 Answer
1






active

oldest

votes









active

oldest

votes






active

oldest

votes








up vote
4
down vote













Pollution



In Victorian era London so much coal was burned and so many industrial pollutants were in the air that the infamous "Pea Soup" began. The pollution reacted with the climate to produce a dense, foul smelling, toxic fog that would periodically blanket London. The worst instance of Pea Soup actually killed 12,000 people over the course of a few weeks in 1952. The main cause for this was twofold, particulate pollution in the form of very fine soot allowed London's natural fog to form much thicker and more easily. The cause for the Pea Soup's lethality was sulfur dioxide from the burning of cheap low grade coal.



The ecological effects of this phenomenon were very wide ranging. One of which was that it blotted out sunlight and made many species of plants unable to grow. it even effected the evolution of some local species of moth. The trees which they took shelter on had white bark, so they had evolved to be white, but after decades of industrial pollution the trees bark and become black, and the moths had evolved over generations to be black as well. Animals and people alike suffered from severe respiratory illnesses, sometimes even resulting in death. In one historical account a housewife's chief complaint with the toxic fog was that it made laundry harder to dry because it made everything damp and blocked the sunlight. Interestingly enough, people of the era didn't rarely seemed to make much connection between the foul smog and the thousands of respiratory deaths every year and primarily bemoaned the smell and the difficulty it caused with everyday tasks. Point being is that looking back on it today we an see that the millions of coal burning ovens, factories, and steam engines had rendered London so polluted to the point that we probably wouldn't consider it safely habitable by today's standards.



Possible Natural Cause



Now, I know that the whole "careless industry and greed of man poisoned the planet" thing is kind of an overdone cliche now days, but hear me out. What if it was a naturally occurring pollutant? You've got a planet that has lots of smallish landmasses covered in swamps, essentially many continents the size of the UK or new Zealand in an ocean much larger than ours. Over time these island-swamps have built up massive low grade coal beds, and after millions of more years have risen a wee bit to become forests and grass lands. The same tectonic activity that has pushed these many micro-continents upwards out of the vast ocean also has forced these massive coal beds to the surface. Lighting strikes have ignited them and the entire planet is essentially belching sulfur dioxide and soot from gargantuan natural coal fires. The proximity to the humid ocean air means that the soot and humidity combine to form a constant murky miasma of foul smelling fog that blankets large portions of the planet.






share|improve this answer






















  • Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
    – JBH
    2 hours ago










  • It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
    – TCAT117
    2 hours ago










  • Is there a practical difference between coal soot and volcanic ash for the purpose described?
    – JBH
    2 hours ago










  • Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
    – TCAT117
    2 hours ago














up vote
4
down vote













Pollution



In Victorian era London so much coal was burned and so many industrial pollutants were in the air that the infamous "Pea Soup" began. The pollution reacted with the climate to produce a dense, foul smelling, toxic fog that would periodically blanket London. The worst instance of Pea Soup actually killed 12,000 people over the course of a few weeks in 1952. The main cause for this was twofold, particulate pollution in the form of very fine soot allowed London's natural fog to form much thicker and more easily. The cause for the Pea Soup's lethality was sulfur dioxide from the burning of cheap low grade coal.



The ecological effects of this phenomenon were very wide ranging. One of which was that it blotted out sunlight and made many species of plants unable to grow. it even effected the evolution of some local species of moth. The trees which they took shelter on had white bark, so they had evolved to be white, but after decades of industrial pollution the trees bark and become black, and the moths had evolved over generations to be black as well. Animals and people alike suffered from severe respiratory illnesses, sometimes even resulting in death. In one historical account a housewife's chief complaint with the toxic fog was that it made laundry harder to dry because it made everything damp and blocked the sunlight. Interestingly enough, people of the era didn't rarely seemed to make much connection between the foul smog and the thousands of respiratory deaths every year and primarily bemoaned the smell and the difficulty it caused with everyday tasks. Point being is that looking back on it today we an see that the millions of coal burning ovens, factories, and steam engines had rendered London so polluted to the point that we probably wouldn't consider it safely habitable by today's standards.



Possible Natural Cause



Now, I know that the whole "careless industry and greed of man poisoned the planet" thing is kind of an overdone cliche now days, but hear me out. What if it was a naturally occurring pollutant? You've got a planet that has lots of smallish landmasses covered in swamps, essentially many continents the size of the UK or new Zealand in an ocean much larger than ours. Over time these island-swamps have built up massive low grade coal beds, and after millions of more years have risen a wee bit to become forests and grass lands. The same tectonic activity that has pushed these many micro-continents upwards out of the vast ocean also has forced these massive coal beds to the surface. Lighting strikes have ignited them and the entire planet is essentially belching sulfur dioxide and soot from gargantuan natural coal fires. The proximity to the humid ocean air means that the soot and humidity combine to form a constant murky miasma of foul smelling fog that blankets large portions of the planet.






share|improve this answer






















  • Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
    – JBH
    2 hours ago










  • It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
    – TCAT117
    2 hours ago










  • Is there a practical difference between coal soot and volcanic ash for the purpose described?
    – JBH
    2 hours ago










  • Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
    – TCAT117
    2 hours ago












up vote
4
down vote










up vote
4
down vote









Pollution



In Victorian era London so much coal was burned and so many industrial pollutants were in the air that the infamous "Pea Soup" began. The pollution reacted with the climate to produce a dense, foul smelling, toxic fog that would periodically blanket London. The worst instance of Pea Soup actually killed 12,000 people over the course of a few weeks in 1952. The main cause for this was twofold, particulate pollution in the form of very fine soot allowed London's natural fog to form much thicker and more easily. The cause for the Pea Soup's lethality was sulfur dioxide from the burning of cheap low grade coal.



The ecological effects of this phenomenon were very wide ranging. One of which was that it blotted out sunlight and made many species of plants unable to grow. it even effected the evolution of some local species of moth. The trees which they took shelter on had white bark, so they had evolved to be white, but after decades of industrial pollution the trees bark and become black, and the moths had evolved over generations to be black as well. Animals and people alike suffered from severe respiratory illnesses, sometimes even resulting in death. In one historical account a housewife's chief complaint with the toxic fog was that it made laundry harder to dry because it made everything damp and blocked the sunlight. Interestingly enough, people of the era didn't rarely seemed to make much connection between the foul smog and the thousands of respiratory deaths every year and primarily bemoaned the smell and the difficulty it caused with everyday tasks. Point being is that looking back on it today we an see that the millions of coal burning ovens, factories, and steam engines had rendered London so polluted to the point that we probably wouldn't consider it safely habitable by today's standards.



Possible Natural Cause



Now, I know that the whole "careless industry and greed of man poisoned the planet" thing is kind of an overdone cliche now days, but hear me out. What if it was a naturally occurring pollutant? You've got a planet that has lots of smallish landmasses covered in swamps, essentially many continents the size of the UK or new Zealand in an ocean much larger than ours. Over time these island-swamps have built up massive low grade coal beds, and after millions of more years have risen a wee bit to become forests and grass lands. The same tectonic activity that has pushed these many micro-continents upwards out of the vast ocean also has forced these massive coal beds to the surface. Lighting strikes have ignited them and the entire planet is essentially belching sulfur dioxide and soot from gargantuan natural coal fires. The proximity to the humid ocean air means that the soot and humidity combine to form a constant murky miasma of foul smelling fog that blankets large portions of the planet.






share|improve this answer














Pollution



In Victorian era London so much coal was burned and so many industrial pollutants were in the air that the infamous "Pea Soup" began. The pollution reacted with the climate to produce a dense, foul smelling, toxic fog that would periodically blanket London. The worst instance of Pea Soup actually killed 12,000 people over the course of a few weeks in 1952. The main cause for this was twofold, particulate pollution in the form of very fine soot allowed London's natural fog to form much thicker and more easily. The cause for the Pea Soup's lethality was sulfur dioxide from the burning of cheap low grade coal.



The ecological effects of this phenomenon were very wide ranging. One of which was that it blotted out sunlight and made many species of plants unable to grow. it even effected the evolution of some local species of moth. The trees which they took shelter on had white bark, so they had evolved to be white, but after decades of industrial pollution the trees bark and become black, and the moths had evolved over generations to be black as well. Animals and people alike suffered from severe respiratory illnesses, sometimes even resulting in death. In one historical account a housewife's chief complaint with the toxic fog was that it made laundry harder to dry because it made everything damp and blocked the sunlight. Interestingly enough, people of the era didn't rarely seemed to make much connection between the foul smog and the thousands of respiratory deaths every year and primarily bemoaned the smell and the difficulty it caused with everyday tasks. Point being is that looking back on it today we an see that the millions of coal burning ovens, factories, and steam engines had rendered London so polluted to the point that we probably wouldn't consider it safely habitable by today's standards.



Possible Natural Cause



Now, I know that the whole "careless industry and greed of man poisoned the planet" thing is kind of an overdone cliche now days, but hear me out. What if it was a naturally occurring pollutant? You've got a planet that has lots of smallish landmasses covered in swamps, essentially many continents the size of the UK or new Zealand in an ocean much larger than ours. Over time these island-swamps have built up massive low grade coal beds, and after millions of more years have risen a wee bit to become forests and grass lands. The same tectonic activity that has pushed these many micro-continents upwards out of the vast ocean also has forced these massive coal beds to the surface. Lighting strikes have ignited them and the entire planet is essentially belching sulfur dioxide and soot from gargantuan natural coal fires. The proximity to the humid ocean air means that the soot and humidity combine to form a constant murky miasma of foul smelling fog that blankets large portions of the planet.







share|improve this answer














share|improve this answer



share|improve this answer








edited 3 hours ago

























answered 3 hours ago









TCAT117

16.1k25176




16.1k25176











  • Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
    – JBH
    2 hours ago










  • It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
    – TCAT117
    2 hours ago










  • Is there a practical difference between coal soot and volcanic ash for the purpose described?
    – JBH
    2 hours ago










  • Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
    – TCAT117
    2 hours ago
















  • Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
    – JBH
    2 hours ago










  • It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
    – TCAT117
    2 hours ago










  • Is there a practical difference between coal soot and volcanic ash for the purpose described?
    – JBH
    2 hours ago










  • Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
    – TCAT117
    2 hours ago















Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
– JBH
2 hours ago




Isn't volcanic ash a naturally-occuring polutant, which the OP excluded? It seems Jano is specifically looking for water vapor, if possible.
– JBH
2 hours ago












It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
– TCAT117
2 hours ago




It's not volcanic ash, its coal soot that is allowing the water vapor to condense more effectively.
– TCAT117
2 hours ago












Is there a practical difference between coal soot and volcanic ash for the purpose described?
– JBH
2 hours ago




Is there a practical difference between coal soot and volcanic ash for the purpose described?
– JBH
2 hours ago












Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
– TCAT117
2 hours ago




Volcanic ash actually isn't actually ash, its powdered stone. This means its heavy, and sinks down to the ground fairly rapidly. Coal soot is finer and lighter. It hangs around a lot longer, it also attracts all the little water droplets in the air into denser larger drops, which makes heavy fog.
– TCAT117
2 hours ago

















 

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