Questions tagged [geography]

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

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3answers
98 views

What yield of nuclear explosive would need to be detonated in Valencia, Spain, to flood the Balearic Islands?

A nuclear device goes off on the beach in Valencia, Spain - immediately adjacent to the ocean. How large will this device need to be in order to flood a majority of the human settlements in the ...
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12answers
5k views

The erosion problem on floating islands

Even the tallest mountains will be ground to dust with time. Given, of course, nothing sustains them (like tectonic activity which prevents mount Everest from eroding away too quickly, even making it ...
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1answer
114 views

Any advice on what is a realistic way to use plate tectonics to create landmasses and barriers?

Recently I've taken it upon myself to create a brand new fantasy world. I created fantasy settings in the past but this is the first one with such a strong emphasis on realism and staying true to our ...
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0answers
48 views

How different, geographically, would Western North America look if the ice ages lasted 14 million years rather than two-and-a-half?

If such iconic landscapes as the Great Lakes, the Mississippi Basin and New York Harbor are proof of anything, it's that the North America we know has been shaped by ice ages coming and going and ...
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2answers
556 views

I have a question about details for a floating continent in an alternative earth

How much shadow would a floating continent the size of Australia cast if the bottom most point of the continent rested at about a mile above Mount Everest’s peak? EDIT 07/12/2021 I’m still trying to ...
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2answers
992 views

How to create a rainforest and desert in proximity to each other such that the desert can be hottest or coldest possible on an Earth-like planet

I have created a tall mountain range and am creating a forest on one side and desert on another. Can this forest be a rainforest? If so, are there any examples on Earth where rainforests and deserts ...
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11answers
2k views

Reasons to settle outside cities on deserts

I need help solving some problems considering civilization living on plains The World: there is magic, everyone can perform it, it needs a lot of studying to perform - users need special type of ...
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5answers
367 views

What kind of rock could I use in my mountains?

in my world there is a mountain system where most of the rock is some kind of material or mineral that conducts heat very well. So much so that there is no snow on the peaks as it melts quite quickly ...
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4answers
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Why there is white ash everywhere?

In my world a war happened between a few tribal leaders a really long time ago. Those leaders had nearly god-like magical powers, giving them the ability to modify bodies, matter (like earth, stone, ...
4
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3answers
156 views

Best real-world location for a self-sufficient villain island?

Villains like to live on private islands, where they have a secret base and can carry out their evil experiments in all privacy. The Caribbean is popular in fiction, but for my purposes it is just ...
3
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3answers
338 views

Do rivers pass through a mountain range?

So I have just begun with world-building, and this is my first map. As you can see on the map, a small range of mountains splits from the main mountains. What I wish to have is a long river that goes ...
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10answers
921 views

How can I justify that dunes keep drifting and cannot be stabilised?

I have the idea of a fantasy civilization based around shifting dunes. The idea is that the land is largely uninhabitable except for the coasts, but there are large dunes that function as habitable &...
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7answers
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What would a bear species isolated on an island look like?

In a science-fiction story that I am writing, there is a species of bears that only live in a specific oceanic island. They are the descendants of American black bears (Ursus americanus). They are my ...
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2answers
212 views

What makes for a good/bad port city?

What are the factors that would determine whether a city on the coast will become a bustling metropolis or whether it will always remain a modest fisher's village?
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1answer
93 views

World with only shallow waters?

Is a planet the size of earth minimum, probably even larger, plausible if it has no water depth below 70 meters?
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5answers
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Is a lake formed and surrounded by mountains, foothills and plateaux possible?

Upon a given landmass I drew a lake, and surrounded it with small ranges of mountains and plateaux, so making it an enormous endorheic basin. The drainage from the highlands would collect upon this ...
13
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5answers
628 views

What is a plausible way to maximize the amount of NATIVE silver deposits in a given area?

I have a region on a 'Eurasia' style continent that is surrounded by large mountains. The reason that I came up with was a very dense and volcanically active microplate that was being compressed on ...
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2answers
158 views

How do you map the climates and biomes on a tidally locked planet with no Coriolis Effect?

I've been looking through some videos and reading up on mapping out climates and biomes for fictional worlds very similar to Earth (Artifexian's videos have been a huge help), but I have been curious ...
2
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1answer
114 views

What would a perfectly planned capital look like in a world with space travel?

In a world with limited space travel (basically, people can travel between different moons but not to other planets/galaxies), the ongoing form of government decided to build a perfectly placed ...
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9answers
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Is there any realistic explanation for Earth-like climate on a Sun-sized planet?

I know that Sun-sized planets are impossible in our universe, please, bear with me. Eastern high fantasy (xianxia) features worlds that span millions of kilometres. For example, descriptions of ...
2
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3answers
77 views

Would there be a point to windfarms in a country surrounding a bay and is also almost fully surrounded by mountain ranges?

To better demonstrate my question, here's a very shoddily made image I made in Photoshop in under five minutes. Essentially this country is an almost full ring of land with a natural barrier of ...
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0answers
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Help with my ocean currents

First off, I'm really not good with designing ocean currents (I find the topic confusing and hard). But for my world which is basically just earth over 100 million years in the future, I need to ...
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4answers
203 views

Could damming straits be a way to generate power?

There are different places on Earth like the Strait of Hormuz for the Persian Gulf or Bab-al-Mandab Strait for the Red Sea where because of the geography it becomes possible to create a dam. Such ...
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2answers
167 views

How to Build the Fictional Continents Using Our Real Continents

Presented here is a map of Earth with the fictional continents resurfaced, by the Redditor "Stagman1111": Source From left to right, the presented additional continents are Mu, Atlantis and ...
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2answers
100 views

How plausible is this volcanic eruption event? Dark Age without total extinction of Stone/Bronze/Iron Age people?

At the end of the desert's westward Great River (think the Nile in Egypt) there is a volcanic island called Harek-Set. Its black mountain is a hotspot volcano which produces obsidian and makes the ...
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2answers
367 views

Massive volcano on reef world?

Piggybacking on my previous question: Possible reef world? An answer in that question included that reef world is an "old, old world. (So)The core has frozen and plate tectonics have stopped...&...
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2answers
86 views

How would an expedition from Victorian England scale a large mountain range? [closed]

Suppose it is Victorian England, and an expedition is being sent to a new region. This expedition is tasked with creating a settlement once it gets there in order to build up trading and presence in ...
3
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2answers
118 views

Himalayan sized/altitude mountains at the equator

I’m crafting a map for my world and I was wondering what the biomes of mountains the size and height of the Himalayan Range would be like at the equator? The region south of them has multiple large ...
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6answers
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Possible reef world?

Piggybacking off this question: Shallow sea world - plausable geology? what would we need to have a world covered in reef? An entire world of this: If I understood them correctly the previous ...
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0answers
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What would be the geographical effects on a map of a 1mm black hole on the earths surface for 5 seconds? [duplicate]

First of all I've read the other posts and know what the effects of a black hole appearing on the earth's surface is. It goes through the crust, the tectonic plates break apart, volcanos appear ...
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2answers
221 views

What would the effects be on the surrounding landmasses if a 1mm black hole appeared on the earths surface for 5 seconds? [duplicate]

First of all I've read the other posts and know what the effects of a black hole appearing on the earth's surface is. It goes through the crust, the tectonic plates break apart, volcanos appear ...
3
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4answers
272 views

Water in the interior of a very large continent

Consider a world that is much larger than Earth, but has Earthlike conditions on the surface. (Including gravity = 1g, by some suitable unobtainium.) Clearly, the surface could be covered in a large ...
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6answers
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Reasons for insanely huge precious metal deposits?

In my book series, there is this extremely rich Earthlike planet called Aurea whose claim to fame is supplying the vast majority of the galaxy’s precious metals (gold and silver for the purposes of ...
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2answers
100 views

Naturally occurring temperate meadows

On a largely uninhabited world with geology, climate, biome etc very similar to prehistoric Earth, I have some scenes taking place in a temperate grassland. It's at moderately high altitude, and I ...
3
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3answers
160 views

Without tides, would we have beaches?

Consider a world similar in most ways to Earth, except with no tides. (No moon, and for some reason outside the scope of this question, solar tides are negligible.) Would it have beaches as we know ...
3
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1answer
181 views

Long-term, what does my magical 2x2 mile raining deathtrap do to the surrounding land?

Earlier I asked a few questions about one particular part of my setting, which is an Earth in the immediate aftermath of a supernatural apocalypse that made the world a gridded globe of 2x2 mile "...
6
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4answers
407 views

Which Neotropical Woods are Best for Shipbuilding?

In my book series, while most of the Aurean Empire has essentially a combination of the plant life of the American West and the Mediterranean, the northern provinces are a bit different because all of ...
4
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9answers
406 views

How do I determine which areas of my empire would be richest and poorest? [closed]

In my book series, the Aurean Empire spans an entire Earth-sized world called Aurea (however, all of the landmass is on the southern hemisphere, so only that part is inhabited). Overall, the planet's ...
2
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1answer
83 views

What would the lakes of a planet with larger glaciers look like?

** This question is making the assumption that if a planet with a similar size and atmosphere of Earth is colder and has longer nights, it will have larger and more numerous glaciers. If this is not ...
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1answer
68 views

What would be the effects on terrain of an atomic bomb on a Sahelian or Saharan grassland or desert?

So, I'm coming up with a world in which, after a nuclear war in Africa, there is a bunker in the country of Chad. The landscape has been affected by over 50 atomic bombs. The main characters leave the ...
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11answers
4k views

Which geographic areas within an empire produce the best soldiers?

In my book series, the Aurean Empire is a vast entity spanning an entire planet. I'm kind of wondering what parts of my empire would the Aureans draw their best soldiers from (for example, the Roman ...
14
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7answers
3k views

Reasons for a very small but very high mountain range in an area with no plate boundaries?

One of the cities in my world, known as Kerkapeze, is situated in a location I just realized I'd have to be very creative to justify: it lies on a narrow plateau between two high but very small ...
3
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1answer
127 views

What would an erosion resistance ecological system look like?

I was thinking about how given a whole host of sci-fi scenarios, you end up with landmass but no form of geological activity or plate tectonics, and so ensuring you end up with a lot of scenarios ...
3
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1answer
136 views

Climates of a Eurasia-like continent in the tropics

I'm working on an earth-like world that has a two main continents akin to Eurasia+Africa. but centred on the Equator. Basically, the premise is to shift the east-west axis of diffusion that exists on ...
10
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3answers
597 views

Time estimate for converting desert to savanna/forest

I'm building a world in whose history climactic changes causes a region of desert to start seeing regular rain. This causes the native culture of the desert people to also change along with it, ...
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7answers
1k views

What ocean geography causes bodies to “disappear”?

Long story short: a cultural tradition of this (late medieval/early renaissance-ish) civilization is to put their deceased in a casket/boat/raft, and float them out into the ocean. Their belief is ...
2
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3answers
276 views

Is This Realistic Physical Geography for my World?

One of the planets in my science-fantasy series is small (around the size of Earth's moon). The gravity implications of this are the one part of this the magical origins of my universe are able to ...
4
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3answers
187 views

How Should Cuisine Vary Across a Geographically Diverse Empire?

The Argentolian Empire is a massive land that spans a region roughly the size of the continental United States. Located in the southern hemisphere of its planet, the north is generally tropical, the ...
6
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1answer
80 views

Would an asteroid colliding with a terrestrial planet result in the creation of extensive caves nearby the crater?

I just did some research on the Chicxulub crater in the Yucatán Peninsula in Mexico, which is the crater from the asteroid responsible for the extinction of the dinosaurs. Yucatán itself does have ...
6
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4answers
403 views

Converting deserts into more hospitable places by inducing rain through the ocean?

I want to know if this is scientifically possible in the real world. When you take vast expanses of deserts (the sandy hot ones, not the icy ones) like the Sahara, life in general is restricted to ...

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