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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].

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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 ...
52
votes
3answers
18k 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. ...
50
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21answers
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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 ...
46
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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 ...
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8answers
7k views

Can two adjacent, life-sustaining planets orbit a star such that they are rarely near each other?

I have two planets and humans live on both of them. Humans need not have developed on these planets, but the planets should support human life with the allowance that the humans have technology ...
36
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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 ...
34
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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 ...
33
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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 ...
31
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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....
28
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7answers
2k views

What computational resources would work for a 550-year climate forecast of our earth?

Folks, I'm in a bit of a jam. I am writing a fictional future history to support a series of post-collapse science fiction stories set ca. 2560 Gregorian. The first story, The Borax Road Affair, has ...
24
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7answers
5k views

What would make a place always misty?

What would cause a place to be always misty? It is in a Fantasy setting, but I am looking for a feasible explanation.
24
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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, ...
23
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14answers
6k views

Is it possible for a planet’s climate to block, or at least make wireless communication irrelevant?

So, I’m writing a sci-fi story, which has a setting which involves human colonists crash landing on a massive, icy hellhole. The weather is extreme on the surface, and because of it, wireless ...
23
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9answers
9k views

Result of terraforming away the deserts

The area of the earth covered by desert is more than 20%. (Sites range from 20-33%, I don't know why the wide range). With technology close to providing zero cost solar (not free, but declining each ...
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 ...
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 ...
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 ...
21
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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 ...
21
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5answers
5k views

Are tropical fjords possible?

I'm currently working on two connected continents for the world I'm building. They've created a convergent boundary where they meet, which has given rise to an east-west mountain range, in addition to ...
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 ...
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 ...
21
votes
1answer
1k 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 ...
20
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4answers
1k views

How to survive mountain environments with a tribal culture?

Assume we have an Earth-like environment. If a tribe with only early medieval technology were to settle in a mountain environment: What resources would be needed to deal with the elevation, cold, ...
19
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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 ...
19
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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. ...
18
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7answers
3k views

How short can Milankovitch Cycles be on a world with a stable orbit?

Okay so there's a project I've been thinking about for a long time wherein humans colonise a world where the climate appears warm and benign only to discover that the local climate oscillates from ...
18
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12answers
4k views

Could people survive intense global warming?

Suppose the Earth entered a period of intense global warming, say by 50° Fahrenheit (28° Celsius), and then levelled off at the new, higher, temperature. Obviously, anywhere near the equator ...
17
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6answers
3k views

Bringing Hot and Cold climates together

I'm building a map for a tabletop RPG (Pathfinder specifically), the aim of which is that my players will be trekking around and visiting interesting places. As part of that, I'd love to portray a ...
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 "...
16
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2answers
390 views

What would be the immediate climatic effects of having a continent appear out of nowhere?

I am writing a story where a freak magical accident causes a fully-formed landmass to pop into existence like it was there all along. For the purposes of this question, let's assume: the continent ...
15
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5answers
2k views

Could a forest grow near a salt flat?

In my world there's a salt flat like Salar de Uyuni in Bolivia (of different size if need be) (source) Is there a chance a medium- to large-sized forest could have grown naturally in the immediate ...
15
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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 ...
15
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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 ...
15
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1answer
762 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 ...
14
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5answers
3k views

Heavy water icebergs

Imagine an earthlike planet with oceans that are comprised roughly 50/50 of heavy water and normal water. My understanding is that while heavy water ice sinks in normal water, it would float on heavy ...
14
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4answers
5k 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 ...
14
votes
1answer
803 views

How would a solid shell surrounding Earth affect the climate?

(First time posting on worldbuilding, be gentle!) For reasons currently unimportant, Earth has been encased in a solid shell which is for all intents and purposes completely invulnerable. The shell ...
14
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4answers
903 views

Where on a tidally locked planet with a 25 °C maximum is the 0 °C isotherm?

I am writing a novel. In that novel, humans have settled a tidally locked planet. That planet is positioned at just such a distance from its sun that the sun heats the planet to an average of 25 °C at ...
14
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3answers
1k views

Could a cold planet (tundra) develop and maintain a breathable atmosphere for humans?

Initial situation: I have cold planet with an average temperature below the freezing point. There is a magnetic field. The planet is almost as big as Earth and can have an atmosphere. The planet ...
14
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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 ...
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 ...
13
votes
9answers
2k views

Earth-like planet with a very hot ocean?

I wonder if it would be scientifically possible, and what would be the explanation for an Earth-like planet with average surface temperature of 14°C, but a very hot ocean, like 80-90° C, covering 2/3 ...
13
votes
3answers
6k views

Terraforming a gas giant into an habitable planet

Is it possible (for humans)? My main concern was heavy gravity because they are much bigger and heavier. But it appears that in our system, the gas giants (but not Jupiter) all have a similar surface ...
13
votes
4answers
584 views

Does an earth-like planet have to have Ice Ages?

When you look at the history of earth, the last ice age had major impacts on the flora and fauna of the world as well as biological migration. If I am creating an earth-like world and am developing a ...
12
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11answers
3k 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 ...
12
votes
10answers
3k views

Planet with intense seasons

What kind of planetary conditions would be required to make a place with really intense winters and summers? Is it even possible? For example on the poles they can go with out the sun for half a year ...
12
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6answers
564 views

How can a remote planet with little to no sunlight have high wind speeds?

I saw this question here: Can I have wind turbines on my base? and someone else asked about how the planet can have 60-100mph winds without very much sunlight to cause the energy differential, to ...
12
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5answers
3k views

What effect could drop the freezing temperature of water globally to −40 Celsius?

This question comes up from Is there a man-made or natural event that can cause an abrupt climate change within hours/a day? – trying to get KaguraRap a functional answer to an abrupt temperature drop ...
12
votes
5answers
894 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 ...
12
votes
4answers
601 views

What is the climate on a brown dwarf planet with split heat sources?

Here is another planet question for you planet enthusiasts. I have this planet... It's called Barahecio. The Mars-sized sphere's average temperatures hover near the freezing point of water. Of note ...