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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].

63
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16answers
6k 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 ...
16
votes
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 ...
1
vote
1answer
202 views

Change climate by moving orbit

Inspired by this question, suppose that the Earth decided to move its orbit much further out to reduce the effects of, say, global warming or the effects of a dying sun (or far enough to make this ...
-6
votes
4answers
265 views

The English Longbamboo

Before we move on to this scenario, let us get the composite bow out of the way, as the scenario focuses on infantry, and composite bows, though more powerful than the routine English longbow, are ...
1
vote
0answers
192 views

The Arctic Plate [closed]

In this alternate Earth, each ocean has its own plate, and the Arctic is no exception. Horizontally cutting Iceland in half, we can find the border three to seven miles off the coasts of Labrador, ...
8
votes
4answers
221 views

How would a hollow, layered lattice planet work?

I had the idea to make an artificially constructed planet which is terrestrial, but has the diameter of Jupiter. Instead of being a solid sphere, it would be five spherical layers, with land on the ...
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 ...
10
votes
4answers
1k views

How far will rain clouds travel inland?

I am writing a story that takes place in a big desert. I've figured that I could make my desert as extensive as possible by building a Pangea-like supercontinent, since I've learned here that, given ...
8
votes
2answers
236 views

Is it possible for a temperate forest/freshwater area to form within a desert?

I am imagining a temperate forested area with freshwater lakes, rivers, small mountains, and rolling grassy hills. This environment is situated within a very large explosion crater. Outside this ...
3
votes
2answers
127 views

How to create snowball Earth again?

NASA received a telegram from the direction of Proxima Centauri stating that the abominable snowman are coming for a visit and they expect snow to fall everywhere even along the equator. They also ...
3
votes
2answers
210 views

Could we seed Earth's atmosphere with hydrogen?

Suppose the chemical reaction: $$3CO_2+2H_2\rightarrow 2H_2O+2O_2+3C$$ This reaction could be used to filter out $CO_2$ from the atmosphere, slowing down or reversing climate change. The solar system ...
5
votes
2answers
278 views

How would weather and climate be different in a world that always receives sunlight from all sides?

Consider a world in which instead of light coming from a single region of the sky, the sky appears close to uniformly luminescent. The intensity of this light depends on latitude such that amount of ...
2
votes
3answers
146 views

Equipped with the knowledge we have now, what could a group of people do NOW to survive future climate-change-induced collapse of society? [closed]

Let's say that a group of people know with 100% certainty that the global society will collapse due to a climate-change-induced catastrophe by the year 2050. What actions can they take in order to ...
12
votes
1answer
378 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. ...
10
votes
3answers
411 views

How, if at all, would the Wind System be Different in a world of Floating Islands?

I think of a world of islands floating in the sky. The planet basically is (was) our Earth. For some reason all that is left is a small ball covered nearly completely with water. Pieces of the ...
4
votes
4answers
216 views

Is Earth-like habitable planet with erratic climate possible?

The conclusion of my question Is it possible to have a planet unsuitable for agriculture? was that the most plausible reason for preventing agriculture from developing (beside nomadic herding) was ...
8
votes
4answers
437 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 ...
0
votes
3answers
141 views

How might the tropics freeze while the poles melt?

Let's say I have a world that contains magical fire and ice creatures. These creatures can utilize magical beams of energy that ignite or freeze the things around them, though doing so on more than ...
4
votes
2answers
450 views

Can we make rain on Mars?

Farmers use dry ice(CO2) to seed the cloud on Earth, can we do the same for Mars? The acidity doesn't matter it can be any element or compound as long as we can recognize it as precipitation, as usual ...
14
votes
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 ...
4
votes
2answers
690 views

What causes hot deserts (like the Sahara) under the ITCZ?

I am trying to fill my world with climates as realistically as possible. In addition to climate science stuff I read on this site, I've been using these two maps of the Earth as a comparison for where ...
6
votes
2answers
308 views

Climatic consequences of two Polar Oceans and a Circumspecting Landmass

On a certain planet, the sole continent of land is a large circumspecting ring about the equatorial regions, with a width averaging 500 miles. Rotational north and south are entirely pelagic. ...
0
votes
2answers
183 views

An Alternative Earth: Warmer Siberia

This question concerns this Alternative Earth. To make a certain fictional country which occupies the northern part of Russia more interesting, I want to make agriculture feasible in Siberia and to ...
5
votes
3answers
268 views

What kind of catastrophic event would cause the Earth's atmosphere to thin out?

Is a dystopian future with a thinner atmosphere and heavy snow feasible? Also would that mean that snow clouds formed at lower altitudes?
4
votes
1answer
136 views

How would higher atmospheric pressure on an Earth-like planet affect rainfall?

Earth like planet has 3 atm pressure at it sea level. How would it affect its rainfall system? 1) Using internet calculator I got a result that boiling point for water would be 131°C, while freezing ...
5
votes
1answer
576 views

How would a large arctic mountain range affect the weather?

How would just the weather be affected if there was huge mountain range between the Arctic and the mid latitudes of a planet? Roughly 50-60 degrees latitude. A little further south than Earth's Arctic ...
2
votes
3answers
2k views

Perpetual storm on Earth

On an Earth like planet, is it possible to have a perpetual storm surrounding an island? And if so what would cause/maintain this storm? Edit: To be a little more clear, I'm looking for a storm ...
0
votes
3answers
181 views

On a planet where axial tilt causes ice ages, how could yearly seasons exist? [closed]

A hypothetical planet experiences both regular yearly seasons and irregular miniature ice ages. The ice ages last for several years at a time and cease for several years at a time. Bizarrely, the ice ...
3
votes
1answer
424 views

The Bering Land Bridge--Open For PERMANENT Business

This is the Bering Sea today... ...and this was the Bering Sea as recently as 25,000 years ago. Truth of the matter is, the Bering had been shifting back and forth from land to sea for 100 million ...
-3
votes
1answer
732 views

Why not kill off most of humanity? [closed]

Climate change is accelerating at a terrifying pace, globalization is pushing more and more of the world to consume at an American scale, and world populations are growing at rates unimaginable just ...
5
votes
3answers
424 views

Could water be extracted/harvested from clouds? Consequences?

I'm a newbie here and I'm slowly building a story based on Ancient Egyptian mythos that revolves around a primarily solar powered city in a vast desert. There will be magic and Gods involved, but I'd ...
-2
votes
1answer
336 views

Alternate Pangaea

This is the map of our Permian from 300 to 252 million years ago: As you can see, (nearly) all of the continents had joined together to create one massive landmass called Pangaea. To the sharp eye, ...
9
votes
2answers
420 views

Can a forest have continuous fog?

I am writing a story set in a fantasy world, with an atmosphere similar to Earth's. Would it be possibly to have a forest situated near wetlands which create radiation fog at night, which drifts into ...
0
votes
1answer
101 views

Is it possible to calculate the extent of a planet's polar ice caps?

If so, what's the equation (or series of equations) for this, and what variables do I need to take into account? EDIT: the planet in my setting is rather "chilly" (around 9.35 Celsius average) with ...
3
votes
4answers
1k views

Climates if Earth had large axial tilt (45 or 90 degrees)

Has anybody made any serious calculations of what the climates on Earth would be if our planet had a larger axial tilt? The most interesting are the cases of 45 and 90 degrees.
1
vote
2answers
141 views

An Edenic Outback?

(Before anyone asks, this is related to the Sahara, Makgadikgadi and Himalaya questions.) The Sahara may take credit at being the hottest desert, but the Australian Outback is hardly a pushover by ...
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 ...
-3
votes
1answer
314 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,...
3
votes
4answers
151 views

How large do storms need to be to wipe out a civilization, and how will society evolve afterwards?

For context I'm building a post apocalypse world that was in modern age before but storms and tsunamis wiped almost all civilizations off the planet. The question is how huge should civilization ...
-2
votes
5answers
1k views

Sahara Savanna? [closed]

The Sahara Desert. At 3.6 million square miles and an average high of 104 degrees Fahrenheit, this is the largest and hottest desert on the planet. Despite its sandy reputation, sand makes up only ...
2
votes
3answers
134 views

Could you import enough water into an ecosystem to make a new rainforest?

So a rainforest creates a positive feedback loop—vegetation creates evapotranspiration which encourages rainfall, which in turns encourages more vegetation. If you wanted to badly enough, could you ...
7
votes
2answers
215 views

How could the example map from geography books come to exist, and what would it be like to live there?

Randall Munroe humorously proclaims that he'd want to live in an example map in a geography book; That means that the geography varies wildly in a small area. Assuming the following: This is on ...
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 ...
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 ...
0
votes
2answers
146 views

Could liquid silicon dioxide exist on the surface of venus?

I've heard that the atmospheric pressure on venus is 90 times that of earth, but I don't know the melting point of $SiO_2$ at 90 atm nor at what temperature its vapor pressure hits 90 atm. Basically I'...
4
votes
2answers
242 views

Greenland--Not So Green Anymore

Back home, there are three factors to consider: Mont Forel, Greenland's tallest peak, can be found in coordinates 66.9333° North and 36.8167° West The Arctic Ocean's average depth is 3406 feet, 17,...
1
vote
4answers
290 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 ...
9
votes
2answers
1k views

Where are the wettest and driest places in this world and why

I have created a world map for a story I'm making. And it has been too long since I studied geography and geology. Assuming earth-like conditions, and a normal distribution of climate based on (...
2
votes
2answers
143 views

What would be the effects of an existing planet becoming tidally locked?

Let's assume this planet has had a normal lifecycle up to this point, becoming an Earth-like world with around the same climates, size, landmass, day/night cycle, and has a single moon of similar size....
2
votes
2answers
405 views

How long would recognizable ruins last in a world that's being purposely overheated?

First the situation, then the question. Here's the situation: An Earth-like planet had a civilization similar to ours, but when it emitted its first radio signals, a nearby alien observation post did ...