Questions tagged [geography]

For questions that are concerned with or nested within the field of Geography; the study of lands, their features, and the relationships and complexities between and among peoples, the physical environment, and ecosystems.

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2 votes
1 answer
47 views

Can you see the main island of Taiwan from China?

Taiwan's main island is about 100 km from China. Is it possible to see it if you are at a scenic viewing spot in China on a clear day? This image, from a Reuters article, shows people on Pingtan ...
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1 vote
1 answer
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What is the geographical category of the place called "Vandaforsen"?

So control of the country’s finances required control of its main trading centres. To that end, in 1550 Gustav Vasa founded a new harbour city on the northern shore of the Gulf of Finland, at Vanda ...
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Sun overhead in Barbados [duplicate]

The sun is directly overhead in Barbados twice a year, my guess is approx 5-6th May and 5-6th August. What are the exact dates?
3 votes
0 answers
34 views

How is drainage divide defined upstream of bifurcation?

Recently, I visited the Divide Creek birfucation in Canada where a creek bifurcates with one arm flowing to Pacific and the other to Arctic Ocean and I was wondering how does this rather rare ...
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6 votes
1 answer
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How deep could an ocean trench be on Earth theoretically? [duplicate]

I was listening to a creepypasta story on YouTube about extremely deep places in the ocean deeper than the Marianas' Trench, and that makes me wonder. On Earth specifically, how deep could an ocean ...
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2 votes
1 answer
51 views

How much of Earth's oceans has each of the listed features?

Long ago, Chris Wayans, a worldbuilder, created a thought experiment switching Earth's depth with height, and vice versa. The result: Abyssia. He even went as far as listing the following ...
1 vote
0 answers
33 views

How was the sea depth under the North Pole ice sheets measured?

Google Earth doesn't show the ice sheets of the North Pole, but the undersea depth. How was this depth measured, when most of this area is covered by ice all year round?
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1 vote
1 answer
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Guessing region of the world from coastline / border shape: geographic insights for Worldle game

The game Worldle (https://worldle.teuteuf.fr/) is related to the recent craze in online once-a-day puzzles like Wordle. You are shown the outline of a country and get six guesses. For each wrong guess,...
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1 vote
1 answer
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Would the Climate change in Southern Africa by Filling Lake Makgadikgadi Evaporation Pans with water from the Zambezi and Chobe Rivers?

I have Macro question, and have enquired and discussed this topic with numerous people. My background is more in Economics and Finance, and read a very interesting article if I am not mistaken 10-15 ...
0 votes
0 answers
22 views

Does the collision of India influence the geology and geography of some of the other mountains of Asia, or just the Himalayas and Tibet?

This here is a nice and lovely map of Asia. Note that the teardrop-shaped Tibetan Plateau dominates the map, and we have India to thank. For the last 50 million years, it has been pushing upwards, ...
4 votes
0 answers
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Is there any place on Earth that does not have a "sub-annual" cycle/season?

I am not sure if this question makes sense, it is completely out of the blue. Over a large range of latitudes, we have 4 distinct seasons and repeat again and again the next years. Even in the poles, ...
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4 votes
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What is the reason behind some of the biome anomalies in Africa?

For example : The center of Africa lies in the Equatorial region and yet, does not have tropical rainforests all the way across. The island of Madagascar has two different biomes Since altitude and ...
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3 votes
2 answers
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Is there a meridian that only passes through water (excl. continental Antarctica)?

The question is quite simple, does there exist a meridian on Earth that only passes over water, with the exception of continental Antarctica of course. From eyeballing a world map it seems somewhere ...
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8 votes
1 answer
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Do these islands exist or are they technical artifacts?

I am using data in a GIS application that shows some land or islands in areas where I would not expect such, or at least have never heard that there are islands. How to find these in Google Earth? Do ...
0 votes
1 answer
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What characteristics are considered when distinguishing a place based on physiographic provinces?

Wikipedia describes a concept called "physiographic provinces". If I understand right, geologists simply created lines on a map, to create clusters of places that are geologically similar. ...
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1 vote
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What is the area of prominient peaks

https://en.wikipedia.org/wiki/Matterhorn#/media/File:On_the_summit.jpg shows a climber on top of Matterhorn.It really looks like the area is quite small maybe 2 m^2. What is the typical area of ...
7 votes
2 answers
86 views

What would be the effects of a large forest fire on soil in other places?

Say a large forest fire took place. As I understand it, the smoke and ash would ride the wind and could be a health hazard even to people that are quite far away. My question is will it damage the ...
0 votes
0 answers
38 views

How to calculate relative humidity with temperature and dew point? [duplicate]

I got this formula for calculating- 100x(EXP.((17.625x32)/(243.04+32)/EXP.((17.625x54)/(243.04+54)))=? The answer should be 43, but I Keep getting 65. Please, can anyone calculate this correctly? ...
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4 votes
0 answers
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Boundary between areas having frequent versus infrequent forest fires

In some parts of North America, such as California, the climax ecosystem has frequent forest fires -- that is, relatively dry forest that in absence of human intervention would burn perhaps every ...
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2 votes
2 answers
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Is Challenger Deep really the deepest place in the ocean?

We have all been told at some point that the Mariana Trench is the deepest place in the ocean, but is that really true? More than 80% of the world's oceans are unexplored, so couldn't there be a much ...
1 vote
1 answer
69 views

What is the southernmost landmass not covered by the Antarctic Treaty? [closed]

I know Bouvet Island is quite south. Is there anything southern than that?
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1 vote
1 answer
90 views

Lowest point between Denali and Aconcagua

Background The Denali (Mount McKinley) is the third most prominent mountain on earth. According to wikipedia It has a height of 6,191 meters, a prominence of 6,144 meters, and a "col" of 6,...
3 votes
1 answer
85 views

Is there any single, generally accepted statistic describing the flatness of a given territory?

I'm very interested in Russian history, and this led me the other day to look at a beautiful painting of the famous Vladimir Highway. The painting is famous in its own right, and is said to express ...
15 votes
1 answer
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What happens with the isogonic lines at the South Pole?

While reading about sundials, I've seen maps depicting isogonic lines (those that connect points with the same magnetic declination values). Pray tell, what's happening in Antarctica? Why does it ...
4 votes
1 answer
594 views

What affects where a terrain will be rocky or grassy?

I’m working on a terrain generator and I now need to color the terrain to be rock, grass, or snow. Ignoring snow for now, at first I thought I’d make flatter areas grass and make steeper areas rock. ...
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1 vote
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Why is there no American dry winter monsoon?

Some regions have monsoon conditions, a seasonal reversal of wind due to the heating and cooling of major land masses. This is true of east Asia in particular; according to https://science.jrank.org/...
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4 votes
2 answers
63 views

Does storm seasonality vary with latitude?

Anecdotally, where I live in northern Europe, the weather seems to be stormier in winter, and this seems to be backed up by hard data. For example, https://www.sciencedirect.com/science/article/pii/...
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1 vote
1 answer
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How does the west coast of Japan have cliffs?

In Ireland, sea cliffs tend to be on the west coast, because it's exposed to waves coming across the full width of the Atlantic, and therefore gets a lot of erosion, whereas the east coast is only ...
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5 votes
0 answers
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To Determine the Geographic center of a continent, is balance point the accepted method and is equivalent to finding the centroid?

This is not exactly a pure Earth Science question but I'm not sure GIS SE is a suitable place either. "The Google" suggested I watch CBS Sunday Morning's The debate over the geographical ...
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4 votes
2 answers
111 views

Is it possible to detect Coriolis effect using a Wind Rose?

I once learned in high school that the area where I used to live experiences the Coriolis effects of the air movement above the city. I never paid attention to this before, but I recently heard about ...
1 vote
0 answers
65 views

Where can I find a list of mountain chains on the Earth?

I want to make an app for smartphones that lists the mountain chains of the world. Where can I find a list of all mountain chains that are presently outspread on the Earth?
's user avatar
4 votes
1 answer
470 views

Can I regard the grayscale of a RGB color image as a panchromatic image?

Here I have a remote sensing dataset with many bands (e.g., blue, green, red, ...), and I use the blue, green and red bands to get a true color image. I want to know if I can get a panchromatic band ...
3 votes
1 answer
81 views

What was the size of the Aral sea in year 1000 CE?

I understand that since the rise of the Soviet Union the Aral sea has dried up more and more due to irrigation from rivers diverting its water to other areas for the sake of agriculture. But is it ...
3 votes
1 answer
218 views

How to properly distinguish a transversal valley from a longitudinal valley?

I'm confused about how to distinguish the two. Prior to making this question. I've read the wikipedia entry on the subject but it mentions that for example a transverse valley makes 90 degrees with ...
2 votes
3 answers
148 views

How do we know the Arctic is just ice?

If I look at an Earth's map, the Arctic/North Pole always appears just like water. Evidently this is actually covered by ice, with an area depending on the time of the year. If this area is bigger ...
11 votes
11 answers
2k views

Other than tectonic activity, what can reshape a world's surface?

Take our world and look at its surface geography: we have continents and oceans, mountains ridges and canyons, and so on. To my knowledge, most of it has been shaped by tectonic activity (feel free to ...
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4 votes
0 answers
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Why does the Prime Meridian line shift in Google Earth when panning?

I'm not asking about the history of the line, nor am I asking about the tectonic plates underneath. If you look at the gif below, you will see that when panning very close to the earth on Google Earth,...
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1 vote
1 answer
53 views

Terracing in Mahad

my first time here! I was going down the rabbit hole after watching a video on YouTube that made me want to read about it on Wikipedia. It led me to this Picture: (View from Varandha Pass near Mahad ...
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2 votes
2 answers
596 views

Why is the weather in San Francisco so different from that in San Jose?

San Francisco has around 5 months a year of intermittent rain. San Jose, just 50 miles south and nestled between mountains instead of between waters, has perhaps only 1 month of rain. San Francisco ...
4 votes
0 answers
52 views

How would you predict the future climate with only 7 years of interest?

In my specific case, I have worked with a data set from 2001 to 2018 which had to be split up in 2012 due to major updates in the data. Therefore, I am now dealing with a data set of 12 years (2001 to ...
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1 vote
0 answers
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Structural geology

Map 4 shows two dykes that have been offset by a vertical fault. In different coloured pencils, draw strike lines on each dyke. (a) On a blank sheet of paper, use the strike lines that you have drawn ...
1 vote
1 answer
53 views

How are tall cays formed?

From reading about Cays on Wikipedia it seems they are formed from coral reefs covered with sand or gravel. There are however some cays scattered around the world which are hundreds of feet off of ...
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1 vote
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SC7 and SC10 Lithology Classifications

I am looking for the full names of the lithology classifications SC7 and SC10. According to the FAO's guidelines for soil description SC3 e.g. refers to silt-, mud-, claystone. What do SC7 and SC10 ...
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3 votes
2 answers
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Resource for scientific maps?

I need an administrative division map of england for a motivation for some scientific workshop. I don't want to cite wikipedia for this. Sadly I can't find any official resources and I don't really ...
7 votes
3 answers
277 views

Has Antarctica's coastline been completely mapped? (map discrepancies)

Looking at different world maps, I noticed that there is considerable variety in how the coastline of Antarctica is depicted (even when taking the different map projections into consideration). Are ...
3 votes
0 answers
62 views

Looking for the climate classification for a particular climate

I'm looking for the climate classification among the many different climate classification systems covering my absolute favorite form of climate. If a classification for this doesn't exist, and you ...
-1 votes
1 answer
161 views

Why does Meteorology rely on a spherical model of the earth, rather than a flat earth, to function? [closed]

I hear all the arguments one explains to a flat earther as to why the earth is Spherical and not flat. I am not a meteorologist, but I know enough Meteorology for me to fly safely as a pilot. Getting ...
1 vote
1 answer
76 views

Manmade ditches in lowlands of New England

Recently in travelling back to New England I discovered ditches in the lowlands/wetlands of the shoreline on Google Maps satellite view. They are clearly man-made, but even with all the agriculture ...
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34 votes
9 answers
10k views

Is there any river that does not discharge into larger body of water?

Do you know any example of a river that does not flow into sea or lake? For example, if water rises from the underground spring and forms a river but water vaporises in hot climate before it reaches ...
3 votes
2 answers
106 views

Is Mississippi and parts of Alabama, Tennessee, and Kentucky one giant island? [closed]

Apologies if this is a poorly written question, I'm writing this on my phone. I noticed that there were a lot of rather long rivers in the region in question, and I began to wonder just how connected ...