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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].

53
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3answers
19k views

Creating a realistic world map - Currents, Precipitation and Climate

Once geological processes and erosion have created a landscape this landscape will in turn alter the planet. Ocean currents and trade winds will tend to form and certain weather patterns will emerge. ...
34
votes
2answers
9k views

How would winds behave on a tidally locked planet?

If an earth-sized planet were tidally locked to a star, and was in the life zone of its star with an earth-like atmosphere, what would its wind patterns be like? The planet would have one hot ...
11
votes
3answers
907 views

How do I figure out my planet's biomes and weather?

I'm having trouble figuring out the various biomes for my planet. I have extensively read the post on "Creating a realistic world map - Currents, Precipitation and Climate". But to be honest, I'm hung ...
15
votes
7answers
9k views

What if an Earth-like planet had no axial tilt? (climate and technology) [closed]

Hey guys, thanks for the suggestions and answers - here's a more streamlined question - presently focused on implications on climate and technology. I've also added a little more explanation in the ...
9
votes
1answer
917 views

Resources for Climate World building

I'm trying to create a continent where desert areas are as maximal and fertile coastal areas as minimal as possible. I've been trying to find some tools to help me with this, but I've only been able ...
14
votes
4answers
6k views

Could we still live if Earth's spin speed slowed down by 90%?

I am working on a project (The Longest Day), and I'm sure some people here have the necessary knowledge to give me some more usefull info. OK, here it is: Lets say that Earth's spinning speed ...
31
votes
3answers
6k views

Creating a realistic world map - Erosion

Once geological processes have created a landscape a number of factors come into play in order to reshape it. This includes weather and climate effects such as wind, rain and ice reshaping the terrain....
24
votes
8answers
2k views

Equatorial icecaps and polar jungles a fantasy or reality?

I am writing a science fiction movie script and a planet idea came to me a few weeks ago: A planet with equatorial icecaps and polar jungles. As interesting and intriguing as this is to think about, ...
46
votes
3answers
5k views

What would a planet spinning fast enough to allow geostationary orbit near the surface look like?

From an answer to a previous question of mine: A planet spinning fast enough to allow geostationary orbit near the surface would result in odd side effects. Any object at rest on the equator would ...
15
votes
5answers
2k views

How could constant or near-constant rain in an area be possible?

What would cause an area to get continuous rainfall (a la Blade Runner), and what implications would that have for other parts of the world? Ideally I'd like to hear about both natural conditions ...
21
votes
9answers
2k views

Is there any feasible way to inhabit the sun?

Is there any feasible way to create a long-term sustainable habitat on the sun? My target region for habitation is the temperature minimum at the bottom of the solar atmosphere. Metals would have to ...
9
votes
6answers
2k views

What would be the effects of a 9 year day?

In my world, daytime lasts for 9 years. I am trying to make this as realistic as possible. How would life live on this planet? How would they sleep etc.? My own theories are that they would migrate ...
19
votes
6answers
4k views

Is there a man-made or natural event that can cause an abrupt climate change within hours/a day?

Meaning, cause a seemingly normal winter to suddenly take a turn within hours or a day/two into a completely frozen territory? From what I've read, abrupt climate change happens from ocean currents. ...
5
votes
3answers
641 views

How to increase air density on a planet?

The question is about what changes would have to be made to an Earth-like planet, in order to increase the density of air and hence make lifting gases more effective. If that is scientifically ...
11
votes
3answers
1k views

Terraforming a very cold planet?

One of the solution to make a cold planet habitable for us is to increase the greenhouse effect. It works with planets like Mars that are inside the habitable zone but would it be enough for a planet ...
8
votes
4answers
726 views

Semiliquid atmosphere - Is my premise/conclusions correct; and will it get the result I want?

I'm writing a graphic novel on the premise of a world that has a liquid or semi-liquid atmosphere, separate from a true liquid sea. But since I don't want 'Magical Underwater Adventure!' I've decided (...
6
votes
2answers
446 views

The World's a Jungle Again. Would Doldrums Blow the Global Air?

From 56 to 34 million years ago, Earth was so warm that we have found evidence of jungle plants inside the Arctic Circle. Nowadays, jungles are confined in or near the equator, and those latitudes ...
2
votes
2answers
899 views

How would tectonics behave on a two continent planet?

I am working on constructing a world which is basically (from the northern pole to the southern pole): smallish frozen over ocean huge land mass encompassing the northern hemisphere tremendous ocean ...
21
votes
1answer
2k views

Tool to simulate climate & weather effects

I am looking for a tool that can be used to create worlds with a realistic (= physically plausible) climate and surface given general terrain shape, or can at least assist in such a task. My ideal ...
12
votes
1answer
398 views

Choosing axial tilt for human habitable planet for largest temperature variations

I have planet with twice the radius of Earth, with its core being the same absolute size as Earth's in order to provide magnetosphere, and the rest of the planet made of silicates like Earth's mantle. ...
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 ...
6
votes
1answer
3k views

Can you help me design a realistic climate map for my world (alternate Earth)? [closed]

The setting is a sci-fi/fantasy future Earth ( ~5 million of years in the future) so mountain chains and general elevation is more or less the same of our own Earth, just out of position due to a ...
3
votes
3answers
2k views

What species, if any, would survive this kind of apocalypse, and what would global environment be like?

So, this is going to be kind of a tricky question to answer, because the setting is a science fantasy world, in the sense that, on the surface at least, it looks like our reality and it seems like the ...
12
votes
5answers
982 views

Single biome (hot) desert planet, possible?

I have the below snippet describing a planet in a (hard) sci-fi setting. This harsh planet has some human settlers, who can survive the climate in light weight environmental suits. The planet is a ...
8
votes
6answers
1k views

can a water cycle exist on a planet without oceans?

So there's a planet that is used as a farming world (food) for its system. This planet has a single, Mediterranean sea-sized ocean on it and lacks any other major surface oceans (he hasn't excluded ...
6
votes
2answers
599 views

What is the climate of a mountain range at the border of the polar front?

I am currently designing a world for a series of short stories and have started looking at what kind of weather patterns would be present in certain regions. For simplicity's sake, we can assume the ...
5
votes
2answers
473 views

Seasons without an axial tilt?

Let's assume we have an otherwise Earth-like planet orbiting a star just like our own. Our planet has an axial tilt of 0 degrees, meaning its axis is perpendicular to its orbital plane. Could this ...
12
votes
3answers
426 views

Would the tropic and arctic climate bands switch if the Earth's axial tilt changed to 60 degrees?

At 4:56 in this video essay, Edgar states that at an axial tilt of 60 degrees, the tropic and arctic climate bands will be switched, so that equatorial regions would be cold and polar regions hot. ...
11
votes
6answers
1k 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 ...
11
votes
1answer
1k views

Where would an asteroid have to hit earth to cause an impact winter?

I found this on Wikipedia. I'm aiming for the fastest climate change possible without that much advanced notice, e.g. perhaps a regional sized asteroid scientists miss or are too distracted to catch ...
8
votes
3answers
836 views

Climate on an Island World

I'm currently creating a world with a population of about 4.5 billion people and 21st century technology. In fact, the world is strikingly similar to ours. Oh, except the islands that is. The ...
5
votes
1answer
404 views

Halfday planetary scan: what do you get?

Due to an unforeseen malfunction your intergalactic spaceship suddenly drops out of hyperspace and comes to a near full stop. The ship is damaged, and will need to be evacuated soon...very soon. You ...
2
votes
3answers
687 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 ...
12
votes
2answers
1k views

Day and night temperature on an Earth-like planet with longer rotational period

DISCLAIMER: This question was closed on Astronomy Stack Exchange as off topic, so I'll try my luck here. I'm trying to understand the climatic effects of the far future scenario of an Earth-like ...
3
votes
2answers
318 views

Effects of forcing a planet to tidally lock onto its moon [closed]

In light of recent reading into Pluto, I noticed that it has the unusual quality of being reciprocally tidally locked to its moon Charon. I have taken this idea and am going to use it in a fantasy ...
1
vote
4answers
295 views

Changing the Danger Zone of Tornado Alley

I am currently at the end of my wits. No matter what change I do to the North American geography, northeastern Nebraska (42.4649° North, 96.4131° West), is still in the danger zone called Tornado ...
-3
votes
1answer
326 views

More Land to India, More Height to Tibet [closed]

This is sub-Himalayan Asia back home. As one can see, it's pretty much India, Bangladesh and Pakistan surrounded by the warm waters of the Indian Ocean. And this is Everest, the world's highest peak,...
63
votes
16answers
7k views

Ultimate Australian Canal

First of all, yes I'm Australian, and yes I am using a kangaroo to type this up. If you take a look at Australia, it's a pretty sad place geographically. Very flat, very dry, mostly desert and for ...
23
votes
8answers
3k views

Creating a dark world - How can I not completely handwave the dark cloudy atmosphere

Primary question What is going on with the atmosphere that the world is so gloomy and dark? Information I have had a low-magic fantasy world I have been wanting to solidify for a while now but ...
33
votes
16answers
6k views

How could mankind of ancient times cause significant climate change?

They don't posses any advanced knowledge, their knowledge is in fact irrelevant, just their possible actions (it doesn't matter how irrational those actions might be) that would cause significant ...
15
votes
1answer
841 views

Creating a realistic world - Thermohaline circulation

One crucial aspect of the climates have been left out so far, deep water circulation. It's the major force driving the heat transfer form the equator to the poles and its flow can influences local ...
3
votes
3answers
524 views

What vegetation/biome could I expect in a tropical region at an average temperature of 8-9 degrees Celsius?

So, my climates are extreme due to a 31.1 degree axial tilt. The maps provided show a climate classification system based on prevailing winds and elevation. Based on Reddit user u/shagomir's Planet ...
10
votes
5answers
1k views

Arctic Airships, Part 1 - Generating Electricity

This is the first question in my Arctic Airships series of questions. The second one is Arctic Airships, Part 2 - Navigation. The premise: An Earth-like planet plunged into an ice age roughly 2,000 ...
36
votes
6answers
5k views

Fantasy map that has minimal land at the equator. What does this mean for rainforests and the world as a whole?

I created a fantasy map a while back, but only recently have I realised it may have a major problem. There is next to no land at the equator although some land between 0-30 degrees. The vast majority ...
13
votes
11answers
4k views

At great altitude, what conditions are needed to support a human community?

In my part of this (Earth-like) world, there is a stable community of completely isolated pre-industrial humans, numbering perhaps 1,800. They live at an altitude of (at least) 25,000 feet (7620 ...
13
votes
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 ...
8
votes
4answers
462 views

Temperatures in an eccentric orbit?

We see plenty of seasonal variation on Earth, due to the large axial tilt, but the Earth follows an almost perfectly circular orbit, so we don't get much variation as a result of that. What if we had ...
3
votes
3answers
1k views

Ocean and air currents on a water planet

I just stumbled across this website the other day, and this is my first time posting, so apologies if the question is too vague or improperly worded. I am trying to build an all ocean world. I'm ...
23
votes
4answers
2k views

How would solar activity change if the Sun was impacted by a planet?

Suppose that a planet whose size was somewhere between the sizes of Mercury and Jupiter impacted the Sun. Would such an event change local stellar activity sufficiently enough and for long enough ...
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 ...