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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].

13
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13answers
5k views

How plausible is a 'tilted axis' planet with a “south pole” constantly facing toward its star?

The basic concept of this planet is that, the planet has a tilted axis (you probably guessed that already) which results in the South Pole constantly facing towards the sun. This would result in the ...
0
votes
1answer
163 views

What sort of animals would inhabit my world?

This world takes place in the remains of the Eastern United States, devastated by 3000 years of neglect and climate change. The Mississipi river is pretty much a gulf now, which has caused everything ...
7
votes
3answers
242 views

What would happen if a volcanic cave was connected by a tunnel to a frozen cave?

Subangea is a giantic cave that stretches below the surface through endless cavities. From oil oceans to volcanic sinkholes and even upside-down forests, the environment is ever changing from one ...
3
votes
1answer
286 views

Is this fictional planet possible?

I was trying to make an interesting moon of a gas giant similar to Jupiter with a liquid ocean of water. The moon orbits in the equivalent orbital space of Io and is about twice the size of Mars. This ...
6
votes
2answers
238 views

How would a thinner atmosphere affect climate/weather patterns?

Okay, so imagine a situation where most of earth's atmosphere is lost, the pressure at sea level is somewhere around 0.3 atm. If it matters, let's say that this is the result of the gradual escape of ...
1
vote
1answer
89 views

Ideal climate/topography/etc. to settle on an Earth-like planet? [closed]

If humans were to find a goldilocks planet with all of the conditions just right, what would be the best place to start a new colony? I figure access to abundant freshwater/aquifers, mild seasons, low ...
11
votes
5answers
2k views

A water cycle in an underground setting

The ozone layer depleted beyond reasonable levels and life on the surface has become impossible and life migrated underground in giant caves connected together by tunnels. Some of those caves have ...
4
votes
3answers
603 views

Is planet similar to Crematoria possible in real life?

In the Chronicles of the Riddick there was planet Crematoria. Temperature during the day there was 372°C and during night −182°C. There is not much information about about this planet avaiable. Link ...
3
votes
2answers
202 views

Planet with high atmospheric air density: problems with dry air mostly composed of Krypton gas

This post: How to increase air density on a planet? explains most of the problems I have been having, and fixes them. My current problem is as follows: On a planet with an air composed of (roughly) ...
6
votes
3answers
221 views

How to efficiently protect a city from constant snowstorms?

Sort of an extension of With minimal terraforming, what features/structures would need to be built to protect a 25mi radius city from wind? but with some more items to consider. For whatever ...
9
votes
7answers
663 views

In a world where two enormous cities are built one on top of the other, what would weather be like in between?

Aliens build their city on Earth in such a way that it covers the entire planet but leaves the surface of the planet (including human cities) intact. This is possible since they built their alien ...
16
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5answers
4k views

If Earth was tidally locked to the sun, where on the surface would the climate be mildest or most hospitable?

This is specifically about the climate, and where on the planet it would be mildest. Imagine Earth, rotating at the usual distance from the sun. Except, it is tidally locked to the sun; a so-called "...
7
votes
2answers
281 views

Climate conditions and/or atmospheric changes required for the Everboom

Relating to this question: Ensuring an endless war, and an endless stalemate In a planet such as our Earth, what climate conditions and/or atmospheric changes would be required for the formation and ...
4
votes
3answers
568 views

What would pressure belts look like on a world with continuous land?

I need maps of climates and prevailing winds for my desert-dominant world. It has one continent stretching in a band around the tropics and into the subtropics, making up about half the planet's ...
3
votes
1answer
211 views

Climate disturbance after flying islands appeared in the sky?

2017, flying islands just appeared in the sky. Different places in the world, different sizes. The biggest one is about the size of the Corsica french island. They have similar ecosystem than Earth's ...
50
votes
21answers
13k views

What natural phenomena could make an island unreachable?

If an island in a sub-tropical region were to be unreachable because of natural phenomena, what could those phenomena be? The people trying to reach said island have 17th century seafaring ...
-1
votes
1answer
93 views

Climate effects caused by two orbiting sources of hot and cold radiation [closed]

Considering a world where the globe has two orbiting bodies at the opposite sides. They would preferably orbit around the equator. The nature of these bodies is linked to the magic system of the world,...
2
votes
1answer
137 views

Conditions to make giant storm

In film "The Day After Tomorrow", a giant snowstorm seizes the Earth for days and freezes nearly everything. What I want to know is, that is this possible in current Earth climate and geology? It ...
10
votes
5answers
243 views

Effects of regular prolonged eclipses on environment

What would be the effect on climate on an Earth-like moon of a gas giant, which experienced regular ("monthly") total solar eclipses (by its gas giant parent) lasting approx. 40 hours. I'm trying to ...
0
votes
2answers
155 views

How to create an earth-like world that's largely desert?

I'm not talking a single-biome sand-world. Of course I want the classic large sand seas, but I also want steppes, mesas and buttes, floodplains, salt pans, hamadas, and canyons, both hot and not so ...
2
votes
3answers
661 views

If the earth spun the other way, what would be different?

Assuming it just spins at the same rate, the other way. Axial tilt is the same, year length is the same. Perhaps winds and ocean currents? What would the effect be on geography? Would deserts or ...
5
votes
5answers
216 views

How can a world with an extremely thick, microbe-rich atmosphere avoid global warming problems?

The sun is perfectly fine, but for generations, not a single human has seen sunlight. Earth is completely covered in black fog, reaching high up into the atmosphere, so that not even skyscrapers can ...
21
votes
4answers
6k views

Is a very tall mountain in the middle of a desert hot and dry?

Climate is not my priority because I prefer to develop the culture and the languages. However, climate has a strong influence in the culture, so I need to know the basics. So, I have a country ...
1
vote
4answers
331 views

Is a Fire-Freeze Planet Possible?

Just thinking if it is possible to have a Fire-Freeze Planet? A planet with permanent Ice cover on one hemisphere while a hot terrain on the other side of it. A planet that may have moderate ...
3
votes
1answer
515 views

What would be the consequences of a world of floating/flying islands? [closed]

I have a medieval fantasy world made up of an earth-like planet over which "islands float in the sky", a few kilometers high. These islands are fixed above the planet and fixed between each other. The ...
5
votes
1answer
210 views

How extreme can I make an altered solar cycle without destroying an inhabited world?

This is a follow-up to an earlier question. My intent here is to work out the details, and explore the potential consequences, of one of the many excellent answers I received. Relevant questions have ...
21
votes
11answers
3k views

Can you replace a sun with a burning moon?

In our solar system light and heat are, of course, provided by the sun. I was wondering if a comparable effect might be had by positing a burning moon instead? So rather than a true star, you'd have a ...
0
votes
1answer
419 views

What if half the Earth was covered in lava? [closed]

Imagine that some kind of catastrophic event takes place on Earth, like a gigantic eruption, and half the planet ends up transformed into a hell-like hemisphere, with volcanoes and seas of lava (like ...
1
vote
3answers
180 views

How to scientifically dim earth's sky by environmental means, without killing humanity

It would preferably be something that will either last a fairly long time fifteen to twenty years perhaps, periodically and last at least some months between or last indefinitely. I do not require ...
4
votes
4answers
294 views

How to get earth like conditions with a Hollow-World?

For my space-fantasy setting I'm considering using the concept of Hollow-Worlds. I devised in-universe reasons for the presence of a day night and season cycle. The Hollow-world's "Inner-sun" ...
7
votes
1answer
423 views

How to construct atmospheric pressure belts for my world?

I read somewhere that the size of a planet can influence the number of pressure belts (the areas of high and low pressure that cycle wind, heat and moisture about the globe) How would you go about ...
21
votes
9answers
2k views

Polar Heat, Equatorial Cold - Climatic Effects of Inverted Global Temperatures

How does inverting global temperatures affect climate? Here exists a fantasy world similar to earth in all important ways. Except, however, that global temperatures have been flipped; it is coldest ...
1
vote
3answers
262 views

If the sun of a fictional world did not rise on random days, how would it affect its civilizations? [closed]

I previously asked about the possibility of a fantasy world that has a different sun every day and where, on random days, no sun rose: World with a different sun every day, and random days with no sun....
3
votes
1answer
91 views

Will the temperature in equator lower when sunlight is block by asteriod ring?

I am trying to figure out the climate on my planet. If there is an asteroid ring around the equator will it cool down the equator? And if it does cool down will the planet still be habitable? My ...
5
votes
2answers
163 views

How would the weather be affected by a constant miles-wide maelstrom?

There is a giant equatorial maelstrom surrounded by three landmasses sucking warm water down to the bottom of the ocean. Somehow, magically or some weird physical process I haven't fixed on yet, this ...
4
votes
2answers
109 views

Sun/stars orbit and climate

I understand this is a broad topic that to a degree was answered in previous questions. What I'm trying to do is to create a plugin in Unreal 4. I'll start by creating a day/night system and a ...
7
votes
2answers
396 views

What would happen if a large area had permanent cloud cover?

This question is not a duplicate of this question. They're similar, but this one has one very large difference: only a large area has permanent cloud cover, not the whole planet. If low clouds or ...
11
votes
6answers
955 views

Is it possible to have a planet that has seasons and is also cold at the equator and hot both poles?

I am trying to create a planet for a fantasy role-playing game where the equator is an impassible region of ice. Ideally, I want to find a science-based solution to this and not have to resort to ...
-1
votes
2answers
489 views

ELEVEN Inner Planets?! What Will the Ice Ages Be Like?

A Milankovitch cycle is defined in Universe Today as a cyclical movement related to the Earth’s orbit around the Sun. There are three elements to a Milankovitch cycle that affects the amount of ...
0
votes
3answers
397 views

e=0. What Does That Mean for the Seasons?

Currently, Earth's eccentricity (orbital shape) is 0.0167086. Zero is a perfect circle whereas One is parabolic escape orbit and any greater becomes a hyperbola. And in the theory of the ...
0
votes
2answers
3k views

What would happen if all the pollution in the world just disappeared? As well other stuff? [closed]

Let's say that somehow someway, all the pollution in the world just disappeared, along with the trash, oil and random junk that filled the ocean, as well as the all the sludge that filled fresh water ...
5
votes
1answer
196 views

Earth analog planet with more than 3 convection cells per hemisphere

Is it possible for an earth analog planet* to have more than 3 convection cells per hemisphere? In our system we only have Jupiter and Saturn with 20 atmospheric bands, even Uranus and Neptune have ...
14
votes
1answer
282 views

Build a better cold trap

What I'm doing is trying to find a way to create an atmospheric cold trap that will maintain a temperature of approximately −200 degrees Celsius (−328 Fahrenheit). According to Wikipedia In ...
6
votes
4answers
154 views

A world without permanent water on the surface?

I'm building a small, naturally inhabited world where usable water is scarce or difficult to access. Is it possible to have a planet with groundwater, ice caps, temporary rivers and lakes, seasonal ...
10
votes
10answers
804 views

What would a civilization living in a cold, permanently snowy climate eat?

The setting would be an almost permanently snowy climate. Average temperature 10 to -5 degrees celsius, with little difference between seasons. Edit: This is a human civilization. I suppose the ...
0
votes
1answer
297 views

How could humans survive 9 month winters in the classical Roman era?

I have a world I am building that is similar to ours, and is set in the height of the Roman empire era. The main difference is that the winter is half the year and full rotation of seasons is 18 ...
-1
votes
2answers
866 views

8 seasons instead of 4, why?

My Kepler Bb world has in total 8 seasons. 4 of those are transition phases. Their year begins on the first day of spring and their months with 9 day weeks are 65 days long. But that is just in Kepler ...
2
votes
3answers
911 views

Thicker Ozone=Colder Earth?

Our planet's best line of defense against the worst of the sun is the ozone layer. It is no thicker than 0.01 millimeters. It absorbs 97 to 99% of the sun's medium UV light (200-315 nanometers). It ...
0
votes
2answers
112 views

How fast can a flood realistically occur (perhaps factoring in climate change)?

This is sort of on the more realistic side of worldbuilding, but maybe somewhat exaggerated for the sake of a setting. What's the fastest atmospheric pressure drop in weather records? This question ...
19
votes
16answers
3k views

What would cause the land to “rise” in a future, post-apocalyptic world?

We are in the future in northern North America (U.S or Canada). The land has "risen" (or more accurately, filled in) with several hundred feet of earth and sand and silt so that a modern city will ...