Questions tagged [climate]

For questions about specific changes in the characteristics of the weather in a location. You should also consider the tags [weather] and [seasons].

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40 views

Small planet tidally locked to a red dwarf which is orbiting a main sequence star

I'm working on creating a planet that is tidally locked to a red dwarf, which is in turn orbiting a main sequence star which is much further away. My idea is that the tidally locked side of the planet ...
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4answers
1k views

Could a planet have a single source of wind?

I was creating a map of the air currents in my world, working back from the climates of the land (which I had already determined). (The world consists of one continent, similar to Pangea, with empty ...
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1answer
90 views

What would happen if ocean currents suddenly stopped (or changed)?

I'm thinking about a device (in a story I'm writing) that could control ocean currents, and I'm wondering how it could be weaponized. For example, if an ocean current was suddenly stopped, what might ...
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3answers
104 views

What could cause my millennium-long ice ages?

Here on earth, it takes about 90,000 years for major ice sheets to build up, and another 10,000 for them to collapse, resulting in 100,000 year cycles of major glaciation, from what I understand. ...
7
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2answers
708 views

Permanent Mist/Fog in an area [duplicate]

How could a region have a (semi-) permanent mist/fog? As close to natural as possible but possible enhancements are an option like: Technological : can both be chemical or mechanical but should ...
3
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2answers
82 views

Would sea levels drop in a Younger Dryas-type event?

I was imagining a sort of post-apocalyptic/collapse setting, where a few centuries of climate catastrophes brought on by climate change cause essentially your general end of the world as we know it ...
4
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2answers
235 views

How could a human society survive in areas with average annual temperatures below -30°C?

I ask this question because in my fictional world, I want to create extremely cold, populated areas, especially in Northernmost areas, but I noticed that in our real world, regions with less than -30°...
5
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1answer
64 views

Life-supporting climate for an organolithium planetary environment?

I'm looking to design one of my warring planets around organolithium chemistry with seas and precipitate primarily composed of a clear organolithium solvent liquid - possibly ammonia. I've searched ...
4
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1answer
114 views

How to have habitable hollows on a planet

In the world that I am making there are hollows all over the planet, which are massive underground subterranean areas of the planet. Think The Hollow of the Gears Of War series. So far the going ...
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1answer
79 views

What effects would a higher gravity have on my world's geography and climate?

I'm currently designing a super earth with a surface gravity of 1.5g and a thick oxygen rich atmosphere. Now since the gravity is higher, how exactly would that affect my world? For example: ...
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1answer
100 views

Climate in an hypothetical Planet [closed]

Let there be absolutely none, exactly 0 axial tilt. Let the earth's orbit around the sun be a perfect circle with 0 eccentricity and a surface to surface ( constant) radius equal to the harmonic mean ...
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2answers
159 views

Thunderstorms but with Fire!

The planet is huge roughly four times the size of earth, with lots of hydrogen in its atmosphere (group A water in Hydrogen out, B water out.) it is also very humid. what do I do to have giant Storms ...
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3answers
256 views

Once a year, swords rain from the sky. How does this change the world? [closed]

Assuming an earth-like planet, how would annual, hour-long, literal bladestorms transform: ecology, geology, and human society? Assuming the first one happens tomorrow, what changes in the next few ...
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0answers
111 views

Resulting clime of fictional world geography [closed]

I'm writing a fantasy story, and I've recently come up with a world map. This probably isn't the final version (I'll probably add some more islands), but this gives me a general idea of where ...
1
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2answers
79 views

Would lots of hydrogen in a atmosphere cause Fire Storm [duplicate]

Basically Group A Breaths in water and out Hydrogen, Group B in Hydrogen and out water like us and trees but water and hydrogen instead of oxygen and carbon dioxide. Would the hydrogen in the ...
4
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1answer
149 views

Making a planet with high humidity

I'm making a Region of a planet with very high humidity, mostly covered in fog at ground level. I am open to having seasonal changes and would like there to be a few sunny days lets say 1 out of 15, ...
6
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1answer
104 views

How to calculate atmospheric circulation cells

Does anyone know an equation or something along those lines for calculating how many and the locations of atmospheric circulation cells for a planet? Also, does the planet's radius and atmospheric ...
9
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1answer
134 views

Climate in an ice age

Creating a map of Koppen climate zones for a very Earth-like world is quite easy, with the right instructions. However, what if the climate is several degrees cooler? Do I simply shift all the ...
5
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2answers
193 views

Northern Great Lakes in an Alternate Island Africa--Would the Sahara DESERT Still be Around?

Recently, I found this map of Africa's paleolakes in the Imaginary Maps reddit: Finding this map was mere coincidence, but this map definitely interests me. Now there have been multiple what-if, ...
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1answer
80 views

How would the atmospheric circulation look like on a planet with high axial tilt?

Assume an Earth-Clone, that has an axial tilt of 90°. How would the circulation of the atmosphere look like? Would there still be three convection cells?
6
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2answers
159 views

A semi perpetual gloomy climate is possible?

I'd like to know if a climate with snowy and gloomy winters and rainy and cloudy summers is possible. Because the climate of Russia in summer is sunny enough and the Icelandic ones isn't so snowy. So ...
11
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5answers
1k views

What would be the seasonal impact on the indoor climate of a giant dome habitation? [closed]

I am writing about a city inside a dome which protects it from an inhospitable environment. I would like the dome to have it's own self-regulating ecosystem, at least enough to provide rainfall ...
2
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1answer
69 views

How wind patterns and ocean currents would be in a planet that does not rotates on its axis?

Imagine a world that does not rotate in its axis, the planet is not tidally locked so no half is hotter or colder than other. For example the planet does not rotate because it is in a binary sistem ...
6
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3answers
111 views

What effect cold climate could have on reptilean demi-humans?

In this world, there are reptilean demi-humans (like lizardmen and lamia) which are appearance wise half-human half-reptile, they live in coexistence with humans and other types of demi-humans. These ...
4
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1answer
71 views

distance between climate/geographical changes

I have an Earth-like world (approximately 1000CE technology--horse/mule for travel) that I want to have my characters traverse over the course of the book. I want the areas to have distinct geography/...
3
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3answers
112 views

Can a planet experience a sudden and dramatic tilt change in its axis which alters weather patterns?

In my fantasy series of ''Diggoran'' ( pronounced Dia-Ran ) Humans initially came from a continent in the northern hemisphere known as ''Atmoran'' which spans 20.561 million square miles. For over 1.9 ...
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5answers
384 views

What sort of solar system / atmospheric conditions, if any, would allow for a very cold planet that still receives plenty of light from its sun?

The setting I'm interested in would involve a cold planet (cold enough for most bodies of water to be frozen - I'm thinking of an average global temperature of -20C or below). The simplest way would ...
5
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4answers
224 views

Connecting Biomes

I'm in some urgent need of advice about linking together biomes in a realistic manner. Can a taiga connect to an alpine tundra to the north, and a steppe to the south? Then what would branch off of ...
6
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1answer
118 views

Ecological implications of osmotic portals

Suppose some magical civilization on Earth-like planet can create portals. Any given portal entrances are spherical surfaces of the same radius. Any particle enters one sphere and exits another in the ...
5
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4answers
388 views

A fictional island on Earth with “longer” springs and autumns

I want to write a story on Earth as it is now, with the sole exception of one large island nation. I plan to introduce elements of mysticism into the story as well, but I would like to keep these ...
2
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1answer
119 views

What's the climate consequences of a planet with these characteristics?

I'm designing a new planet, but I'm having some troubles figuring out the climate. The planet's rotation axis is at a 45° angle relative to its orbital plane, and each rotation takes 24h. The planet'...
2
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1answer
279 views

Does my climate map work?

I'm looking for notes on my climate map for a continent I've mapped out. Does this set up seem plausible. Map (Imgur) [3 Previous question with general planetary conditions edit Don't have time ...
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3answers
223 views

How could I scientifically explain a world with day/night cycle only on the equator?

I'd like to build a world that has one pole where it's constantly day (all year long) and the weather is very hot, and one where it's constantly night (all year long) and the weather is freezing. I'd ...
4
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3answers
255 views

How to get rid of the rainforest for a desert moon with only habitable poles?

I wanna build a habitable desertworld which is a gas giant moon. The desired and already semi-fixed parameters are: mass between 0.4 and 0.25 Earth-masses only 10 to 30 percent global ocean cover, ...
6
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1answer
141 views

What set of circumstances are most likely to lead to a planet with a climate resembling the Great Plains?

Part of my story will be set on a planet where a culture similar to that of the Old West has arisen - cowboys, frontier towns, homesteaders, etc. In order to make this development more plausible, I ...
3
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1answer
123 views

Biomes and landscaping this odd-shaped planet (part 2)

I'm still working on world map of this pear-shaped planet for my alien race, so I think land-to-water ratio would be something 40/60% or 30/70% (I don't know which one makes creatures much bigger), ...
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6answers
1k views

Can I have a forest in the rain shadow of a mountain range?

I've pretty much finished the map of a world I'm building for a fantasy novel, but I've realised that on one of the continents I need there to be forest on both sides of a large mountain range. I've ...
5
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2answers
98 views

How would a supernaturally heated caldera bay affect the local climate?

A supernatural geological event occurred and created a huge caldera-like formation on the coast of a region similar to Scotland. Over time the caldera filled with water and became a bay surrounded by ...
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8answers
7k views

How can a valley surrounded by mountains be fertile and rainy?

We all know about Rain Shadow - And if you don't now you do - and that the inner side of a mountain as compared to the ocean would be drier. Now a worldbuiding problem going around that phenomenon. ...
7
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3answers
185 views

Preserving the mammoth steppe

During much of the Late Pleistocene stage, the world's most widespread biome was the so-called "mammoth steppe" - a cold, dry grassland which spanned eastward all the way from Spain to Canada. It was ...
5
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3answers
174 views

Could the Amazon's jungle exist in a continent without the Andes mountain chain?

I assume a planet like earth. Obviously the Amazon river is fed into the Andes mountains as well as other rivers that give water to the system. Could the same amount of water come from a specific ...
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10answers
585 views

Logical justification to wear black leather in the Post-Apot

So, let’s say we have a character like this: Living in a place like this: In many post-apocalyptic media, leather jackets and blue jeans are the main form of attire for characters, even ones living ...
6
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7answers
870 views

A planet of ice and fire

I had an idea for a planet which has very hot days, roughly 40 degrees C on average, and very cold nights, average -5 degrees. These figures are subject to change. Of course, there are places which ...
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5answers
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Could the Missouri River be running while Lake Michigan was frozen several meters deep?

During an ice age, would it be possible for a great lake to be frozen while a relatively nearby river was still running? To help illustrate my point: Would it be possible for Lake Michigan (or parts ...
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4answers
5k views

Is it possible for people to live in the eye of a permanent hypercane?

Wikipedia lists a potential for a hypercane which can have an eye of up to 190 miles in diameter https://en.wikipedia.org/wiki/Hypercane Say there's an earthlike planet that for whatever reason has a ...
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2answers
56 views

Focusing solar irradiation to create equatorial conditions at the poles [closed]

As I understand it, the majority of thermal energy on Earth comes as a by-product of absorbing radiant solar energy. Since the equator gets hit by rays which are almost perpendicular to the surface of ...
3
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2answers
105 views

What would the climate/environments be like on a planet covered in small crater lakes and seas? [closed]

Imagine an Earth-like planet with no major oceans, all the water has collected into circular craters from impacts that are no longer occurring. Let's say the planet is covered evenly with 50% water ...
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2answers
895 views

Climate or weather simulation - free tools

Are there any free living or discontinued tools that can simulate climate or weather? BYOE and Monash are only online web climate simulation tools. Some tools I tried: ClimaSim is only free climate ...
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3answers
205 views

What thickness of atmosphere and strength of magnetosphere would I need for a planet to have a deadly daytime and a hospitable nighttime?

What thickness of atmosphere, and strength of magnetosphere, would I need for a planet to have a deadly daytime and a hospitable nighttime? I'm wanting a planet in which humans can survive on as long ...
11
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5answers
2k views

Important resources for Dark Age civilizations?

In a time period with medieval technology, what would be the most important local resources? I've put together a small list and broken it down into categories, but I'd like to know if there's anything ...