Questions tagged [geography]

For questions about the characteristics and effects of natural features on a world.

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1answer
51 views

Magical Island question part 2: How to add desert to it

Part number 1 of the question can be found here: Now I wanted to add a few things just to be on the clear side of things, my world is originally inspired by Brazil. So: On the southeast the continent ...
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7answers
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How to have a landmass the size of Great Britain have almost every single climate

I'm creating a continent which will be about the size of Great Britain (250.000 km2) and I'm creating it under certain constraints.: This continent was very powerful once upon a time, but now it is ...
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0answers
41 views

How long would daytime and nightime be on a planet with a 26 hours rotational period? [duplicate]

The basics about the planet in question: As the second planet in the star system, it's somewhat warmer than Earth is. The rotational period is 26 hours and the orbital period is 312 days which ...
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28answers
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What would keep traders away from a specific area of the ocean?

This is a WIP map of a continent in my world: The small portion of land you can see in the topmost area is another continent, to the north of which the sea is almost always frozen and thus almost ...
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8answers
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Before the advent of satellite imaging, what would have been the easiest place to hide a secret civilization?

Imagine that you're an adventurer archaeologist in the early to mid-20th century, like Indiana Jones. One day you find a lost civilization in an underexplored corner of the world. However, instead of ...
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1answer
67 views

Can post-glacial (icesheet) landforms be present on the warm desert (BWh/BWc)?

How realistic would it be to have moraines and dried lakes on deserts? I plan to have a salt lake with a few rivers flowing in - how much time would they have to erode canyons? Natural disasters ...
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3answers
394 views

How to make drooping mountains?

In How the Grinch Stole Christmas, the town of Whoville is situated between a few drooping mountains. Here's an example taken from the movie: The tip droops, and the mountains can rise either ...
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5answers
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How Would A Tribal Chiefdom Govern a Colossal Land Area?

In the book series I'm currently working on, there's an archipelago around the size of Australia that is headed by a single tribal chief in the capital city of Jubenar. The archipelago is very ...
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3answers
608 views

Inverted Everest world

I want to make a world with a great deal of variation in habitability in terms of temperature and pressure. Some areas would be habitable; others less so, some would require protective clothing and ...
3
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1answer
113 views

What kinds of rock formations might hint at terraformed mountains?

I'm working on a concept for a terraformed world with artificial mountain ranges/plateaus that stretch higher than a natural formation possibly can. I picture them like extremely tall table-top ...
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2answers
137 views

Are my plate tectonics/land masses realistic?

I'm building a new planet up from scratch, and wanted to get a sanity check on my plate tectonics and land masses. It doesn't have to be 100% realistic, but I'd like it to be plausible to someone who ...
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3answers
162 views

Where else would mountains be on this continent?

Okay fellow nerds, I am in need of assistance. I am making a fan-made map for a book series and I have run into a problem. The problem being while I love making maps (fun hobby) I am trying to ...
2
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1answer
62 views

Could a new impact basin be responsible for desiccating an entire planet?

Situation: A planet similar in size to the Earth has a Eurasia+ sized continent at its South Pole. It is hit by a huge asteroid near its South Pole. This would produce a very large crater/basin. ...
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6answers
546 views

I need a possible way to flood a man-made lake located higher than sea level

I have a scenario where I need a man-made lake to overflow. It’s located higher than sea-level. There are underground streams which could be feeding it. It could have a channel to drain it into the ...
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2answers
326 views

Would this be a plausible coastline + river combo?

So, for an area of my world, I'm imagining three cities situated along the stretch of a river, running from a lake in the mountains onto relatively flat terrain (though still a bit above sea level) ...
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2answers
126 views

What needs to be changed about the plate tectonics of my world?

So, after trying to make a few different world maps and not really feeling satisfied with them, I decided to attempt making a world a bit more from scratch, by adding in plate tectonics. Now, I did ...
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1answer
129 views

What types of climate would form under set conditions?

The continent is located on the Earth-like planet. The first map depicts a rough Köppen classification (which is there to give you bit of a context). Note that: Types 13 and 14 are undefined/...
4
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1answer
90 views

How large and compact could a cold east Mongolia-like steppe be on an Earth-sized planet?

Welcome to planet X! Planet X is the same as Earth in radius, composition, axial tilt and orbits star Y (identical to the Sun). Planet X has a moon known as moon Z (identical to Earth's moon). Could ...
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15answers
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Are 'tree waterfalls' possible?

Something like the above (Natural Springs by Ellie Cooper) - either where the water originates from atop the tree through regular rainfall, or is directed up and into the tree via the spring (or some ...
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3answers
176 views

Weather and climate of Massive Grass Plains?

In my world I want a massive region (7 million mi²) to be as flat as the Great Plains. There are no trees or hills; basically it's just a grass sea. I am trying to figure out what kind of weather ...
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9answers
7k views

Why are my caves warm with nobody heating them?

The continent is split apart by a dense area of mountains, covered in glaciers. Any travelers who with to go from one part of the continent to the other would either have to cross the mountains, or go ...
4
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1answer
97 views

Where to place an artificial oceanic island?

I want to build a seastead in international waters that starts small. It has to be in the Atlantic, preferably in the northern hemisphere close to either the american or european continent. Due to ...
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3answers
96 views

Naturally altering the climate in order to create lush areas in a wasteland - Is it plausible, and if so how?

In essence: I'm playing around with a few ideas relating to a post apocalyptic United States, and one of the concepts I've come up with is a world of mostly dusty deserts and other regions mostly ...
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3answers
95 views

(Semi) Believable way to quickly submerge a large landmass

I once before asked a question on how to quickly submerge a large landmass/continent. The answers there basically concluded that literally ''Sinking'' (a la Atlantis) is pretty much impossible to do ...
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2answers
148 views

Would the Oceans in This Map Be Freshwater?

So long ago, I asked on how to make Earth's oceans as brackish as Lyr's, one of the many worlds imagined by artist Chris Wayans. The only real answer I got was something that that world had already ...
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4answers
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Could terrain like this form on Earth? If so, how?

I am creating an RPG and came across an image that I wanted to base my landscape on. It is shown above. Is it possible for terrain like that to form on Earth (ignore the wildlife)? If it is, how could ...
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3answers
808 views

What would a piece of the ocean floor look like if raised to surface level and left for a few thousand years?

My world is basically the surviving chunks of an exploded planet (there's a little more to it than that but that's the important part for the question, ignore any issues of gravity etc.) and while ...
7
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2answers
159 views

Is it possible for a planet to have an area saturated with lava but at the same time is still habitable to humans and other lifeforms?

An area of my planet is very saturated with lava. Being quite similar to the Siberian Lava Traps, it is essentially a lava sea. This lava “sea” area isn’t necessarily all lava however, as there are ...
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2answers
130 views

Giant caves. How do they form?

In many fantasy works, the world typically has giant caverns that house entire civilizations and ecosystems that are (mostly) disconnected from the world above. However, this concept, at least in an ...
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2answers
78 views

Effect of high frequency of impact events on geography,climate, and environment

Earth sized planet in the goldilocks zone. Similar mineral composition and surface water. Photosynthetic life evolves and thrives on land and sea. Atmosphere and climate comparable to the beginning ...
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2answers
930 views

High Mountains in High Gravity

What would cause/allow a planet with very high gravity to have tall, sharp mountains? Mountain height is generally capped off by gravity, erosion, and the mountains composition. On a higher gravity ...
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1answer
78 views

UHT Ceramic Geology

Earth rocks are largely silicates, combinations of silicon, oxygen, and various other trace elements. What would a planets geography look like if the crust was primarily composed of ceramics like ...
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4answers
81 views

Is there a plausible way to change the appearance of the surface of a planet, and have it immediately reform?

Basically a world that cannot be mapped.
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3answers
333 views

Could present-day humanity survive on Antarctica alone?

Tomorrow morning, an apocalyptic event wipes humanity off the face of the earth - except for in Antarctica. The nature of the catastrophe is unclear, but it seems that any human will die within a few ...
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2answers
130 views

Climate Map Climate

My friend and I are working on this world called Roia. It shares many terrestrial properties with the real life earth: composition, axial tilt, distance from the star, presence of water, etc. You can ...
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2answers
163 views

Could a frozen ocean support a nomadic race of people?

This is a another sequel to my Plutonian questions, but I’ve decided to take a break from them and focus on another part of the world. Basically, my version of Pluto has five continents, each a ...
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9answers
3k views

How could Antarctica become its own independent country?

In the "Legend" trilogy and its sequel "Rebel", author Marie Lu envisioned a far future where Antarctica is a superpower decades after the United States splintered into two separate countries. The ...
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2answers
112 views

What geologic processes would create an unstable cliff on which a city is built?

I have a city which will be completely submerged in water due to a catastrophic earthquake. It is placed on a cliff side, so that it will drop directly into the ocean. Technology is similar to the ...
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0answers
51 views

What could cause massive global sea level rise? [duplicate]

I'm thinking of creating a world in which sea levels have risen by around 200 metres, leading the Earth's surface to look something like this, minus the ice: Obviously, a 200 metre rise is enormous, ...
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4answers
2k views

Can these climates/biomes exist near each other?

I am writing a story, in which I would like to have three locations within about a half hour to an hour driving distance (assuming population, road systems and automobiles on par with the contemporary ...
3
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2answers
139 views

Feasibility of a massive and nigh-permanent sandstorm?

In my military sci fi story in which a squad of private contractors have to contend with hostile creatures reliant on scent and mechanoreception to hunt, I wanted to keep the sci-fi 'hard' and ...
3
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0answers
88 views

Advice on Accuracy of World Map (cont) [closed]

As a continuation of this question. Thanks to the comments in the previous question, we managed to overhaul the map. It's cleaner and more believable, I think. However, there were some new questions ...
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6answers
186 views

What Else Could Reduce Global Sea Levels?

Anyone who has studied ice ages would know that during the last two-and-a-half million years of Earth's history, there have been periods where there was enough ice to suck up a lot of water. As a ...
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2answers
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What kind of effect would low gravity have on geography? [closed]

What kind of effect would lower-than-Earth gravity have on the geography of a smaller-than-Earth terrestrial planet? The Gravity is lower because the planet is smaller, the core must be large enough ...
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4answers
237 views

Advice on accuracy of world map

My friend and I are working on a map of a globe. The setting of this universe involve various intelligent animal species divided into 5 clades: Archo (Crocodilians), Avians (Birds), Aquatics (Fish), ...
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19answers
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Would common people in central Europe in the 15th century notice that the whole Asia disappeared?

We have earth at the beginning of the 15th century, and suddenly the biggest continent disappears. There is nothing left of it, no animals, people, lands, anything. I don't think the details of the ...
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7answers
9k views

Would you notice, visually, if the planet you were on was vastly larger than Earth?

By that I mean, if you are travelling about on a continent on a planet with a circumference similar to the Sun, how much further would you be able to see, and would it be noticeable, without more ...
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2answers
80 views

Possibility of certain climates

I am trying to make three neighbouring countries with varying climates. One country needs to basically be Arizona (Especially like the Monument Valley area with the red sand and those iconic buttes), ...
5
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1answer
158 views

Rock layers in Procedural Map Creation

I've been working on a procedural map generator for a strategy game (if I ever get to gameplay). My general development philosophy is "believable but not necessarily realistic", in other words I don't ...
5
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2answers
126 views

Are there any good tools I can use to figure out the size of my fictional continent?

I would like to apologize in advance if this comes off as laziness or a poor attempt at trying to get someone to do my work for me. That is not my intention. This is my fictional continent of ...

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