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Questions tagged [geography]

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

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1answer
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The Titanic Ozarks

Back home and in this alternate scenario, the Ozarks are all that remains of a Proterozoic mountain range hundreds of millions of years ago. Back home, the Ozarks look like this, highlit in lime: ...
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3answers
662 views

How bad will the tides be here?

On an Earthlike planet with one large moon (just like Earth's), I have a large landlocked sea with one narrow exit (like the Black Sea, but much larger, something like six or eight Mediterraneans, ...
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4answers
165 views

How would temperature variation work on the inside surface of a Dyson sphere?

Let's say I have a Dyson sphere roughly the same size of the earth with a very small "star" in the center. Continents, oceans, and people inside the sphere experience a reverse gravity in the opposite ...
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5answers
323 views

What could you mine from a city squashed by an ice sheet - in a new ice age?

Western civilisation fell over a few centuries ago, because the Earth shifted back into a full on ice age climate. Oh and Skynet kind of happened. Ice sheets expanded, inexorably rolling over the ...
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2answers
293 views

The Ice-Free British Isles

Looking at the topographical map of the two main islands of Britain--England to the east and Ireland to the west--is looking at two and a half million years of ice sculpting, grinding and melting on a ...
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3answers
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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 ...
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24answers
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What could make an area of land be accessible only at certain times of the year?

I've looked around here a bit, but I haven't managed to find a post that really answers my question (though if there is one, please let me know). I'm trying to write a story where the two main ...
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551 views

One North African Civilization Or More? [closed]

Throughout pre-Roman history, North Africa and the Middle East had its fair share of civilizations--not just the popular Egyptians, but also the Carthaginians, the Sumerians, the Assyrians, the ...
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How would they learn astronomy, those who don't see the stars?

I imagine a planet similar to ours, except for two details: The presence of everlasting clouds No yearly seasons Explanation: In this world clouds are very high and thick, so that sunlight (or ...
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8answers
392 views

How can an entire kingdom be removed from the middle of a continent?

In my 10 book series, the historical time line turns on the fact that the greatest nation in the major continent's history, disappeared overnight during a national celebration. This nation was ...
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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 ...
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1answer
214 views

An Alternative Earth: Higher Urals [closed]

Yep, we're talking about a fictional universe where humans are replaced with bipedal humanoid bears who can talk, use tools and wear clothes. To make a certain fictional country (which occupies a ...
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1answer
228 views

The Tethys Salinity Crisis

From 5.96 to 5.33 million years ago, disaster struck the Mediterranean Sea. A tectonic snag turned this... ...into something like this. In this alternate scenario, the sea separating modern Europe ...
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2answers
845 views

How to drain out the entire Mediterranean?

So, the Mediterranean Empire has succeeded in separating the entire Mediterranean Sea from the rest of the world's oceans. See this question for background and premise. There are now dams making sure ...
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3answers
987 views

Is it feasible to separate the Mediterranean from the rest of the world's oceans using dams?

In my world, Southern Europe, Northern Africa and all the territories surrounding the Mediterranean belong to a single empire. The Emperor and his Council have decided that they are going to drain ...
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2answers
153 views

Creating surrounding areas from a desert [closed]

Based on this question and answer. I was wondering how would the limits between Gretland and Winthold would be. Which temperatures would be have? What type of terrain would the limits of the desert ...
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1answer
422 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 ...
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5answers
931 views

Constructing a desert area

I'm trying to construct a most realistic desert possible. I've made a continent with my little knowledge and may ask further questions about climate and similar stuff, but now I want to center on a ...
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1answer
329 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, ...
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1answer
341 views

Russia's Alternate Geological History

Since the geological history of the world's largest nation is as big as the nation itself, and since I don't have a master familiarity with Russia's formation over hundreds of millions of years, I'm ...
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3answers
607 views

How could Reverse Mountain (One Piece) exist? [duplicate]

In One Piece saga there is the so-called Reverse Mountain. This is a Mountain with sea at east and west, land at north and south. A river goes from east to west following the mountain. That means ...
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3answers
300 views

How a giant floating landmass might affect the weather?

I'm building up a world with floating islands. They don't move much and generally stay around the same area. However, would this affect the weather? Essentially, I have giant floating rocks in the ...
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1answer
510 views

Could the Aztecs have domesticated the Collared Peccary

The Collared Peccary is not the name of the greatest man stripper under the sun, but is a species of mammal in the family Tayassuidae found in North, Central, and South America. They are commonly ...
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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 ...
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4answers
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Could Inuits survive in Antarctica?

Imagine that a group of Inuits from Greenland settled in Antarctica; let's say on the Antarctic peninsula, if there is no better place in Antarctica. Could they survive there with their traditional ...
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5answers
180 views

Different ways geographically distant cultures might measure time?

Okay so in my world, I have two pre-industrial societies that live thousands of miles apart from each other on their ringworld. One lives in a desert climate similar to India or the Middle East while ...
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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,...
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3answers
194 views

How can I wipe out life in oceans?

Imagine you're on vacation in Greece. It's a nice sunny day, so you decide to go for a swim. The bottom of the sea is full of some greenish-brown ugly seaweed, every stone is covered by some fuzz and ...
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2answers
968 views

Lake Makgadikgadi, 21st Century [closed]

First thing first, to get this out of the way, there are two potential sources of the faraway rivers in this scenario: Lakes Chad and Congo, the result of 30 million years of tropical heat, heavy ...
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5answers
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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 ...
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4answers
3k views

Which Natural Resources Go Where? (Medieval Fantasy Setting)

I am creating a fictional fantasy (Medieval-ish era) world. The area covered by my map is fairly large, and contains an ocean, mountains, plains, lakes, forests, swamps, etc. It's pretty much all ...
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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 ...
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3answers
939 views

How can I do programmatic generation of fantasy maps?

I found this twitter bot https://twitter.com/unchartedatlas posting maps that look like they came from a pulp fantasy novel. Any idea on how they are done?
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Planet with Titanic tectonic plate

You see this little planet? Is a planet roughly the size of earth, just slightly smaller circumference by 50 kilometers and a smaller gravity of 0.8g with little variations around the world, just like ...
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4answers
425 views

Rules for the Development and Spread of Urbanisation

I am creating a map for a story set in a pre-industrial world, and have made the basic physical geography. My main concern now is the development of culture, centred around urbanisation. There are ...
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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,...
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4answers
289 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 ...
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1answer
466 views

The Monstrosities of the Appalachian Mountains and the Great Lake (No Plural “S”) [closed]

Back home, the Appalachian Mountains are no wider than 100-300 miles, no longer than 1500 miles and no taller than 6,683 feet above sea level, and the Great Lakes are five separate lakes totaling to ...
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2answers
383 views

If I was to tunnel straight through a mountain, what kind of rock would I find?

I'm developing a semi-realistic game involving stereotypical dwarves digging into mountainsides and carving out grand caverns for themselves, similar to those in Moria or the Lonely Mountain from ...
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2answers
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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 (...
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1answer
358 views

Creating an Alternate Google Earth--Is This Possible?

This question concerns the following images I've made for an alternate Earth: Marked in brown are mountains. Marked in red or orange are plateaus or cracks from ancient lava flows. Marked in black ...
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1answer
632 views

How would the ocean currents of earth be altered if there was no Central America?

What if there was an alternate earth where there was no landmass between North America and South America. For clarification, in place of Central America there would be a sunken land bridge at the dept ...
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2answers
184 views

New York in an Alternate Ice Age

The geographical features that make New York stand out from any other of the United States--Long Island, the huge boulders scattered in the city and the Hudson River, deep enough for barges to pass ...
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5answers
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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 ...
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4answers
418 views

What would the average terraformable planets look like?

Let’s say that a "terraformable planet" is a planet who : is in the goldilock zone of its star(s) has around the same gravity as Earth has a solid surface covered with minerals not too toxic for ...
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3answers
320 views

Best country for humans with superpowers to hide?

In the story I'm thinking to write there's a group of 50 000 humans with superpowers. These powers cause them to have great weaknesses so they decide to hide. Which countries or regions of large ...
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2answers
407 views

Does a planet's axial tilt and seasonal progression affect a planetary-ring system, as seen from the planet surface?

Ok, so I have determined my world can keep it's planetary ring system. YAY! Now I just need to clarify once and for how it would look like from the planet surface. I think I have it worked out, but ...
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1answer
140 views

The Midwest, Great Lakes Earth

I live in northeastern Nebraska, and I had seen more than enough of tornadoes in my lifetime. So in an alternate Earth, it is my hope to make some changes that would save my home from being another ...
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6answers
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How do I isolate a city?

Is it possible, the world being as it is for a city to be isolated completely from the world? Assume technological advancements to be the same as they are today. Would such a scenario be feasible? ...
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2answers
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What are some of the reasons for a river to split?

I know that rivers do not usually split but they can. e.g. It can occur due the glacial shift. Are there any other ways that this could happen? And if it did would one river become dominant a ...