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
2 answers
169 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, ...
2 votes
1 answer
91 views

What is the line of sight altitude to see hawaii from texas

To see Hawaii from Texas how high in altitude would you have to be? I know the curvature of the earth has a big role in this
2 votes
1 answer
226 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,...
7 votes
1 answer
4k views

What are these very wide circles I saw on google map in Madagascar?

I was searching for the baobabs in Madagascar and found these wide circles near Avenue of the Baobabs...What are these? Here's the coordonates 20°16'53"S 44°28'49"E, and here is a link: ...
2 votes
3 answers
86 views

Population density formulas

Are there any formulas to predict population density of a geography based on known geographic factors like water, food etc. in the vicinity. Either for humans or any living organisms.
3 votes
3 answers
191 views

When does the International Date Line concept break down?

Edit: this is a very silly question, sorry about that :/ I won't delete it though. When I was little and learned about the IDL, my first thought was the following: if I could do a couple of circles ...
3 votes
1 answer
105 views

Is there a term for part of a country separated from the rest in general

I mean a part of a country that can't be reach from the rest without leaving the country or it's territorial water. I don't know if exclave really covers what I'm thinking of. For example would the ...
6 votes
2 answers
2k views

What is the most optimal latitude on Earth for the generation of extreme maximum temperatures?

First question on this StackExchange, so here goes... Overall, reaching high temperatures is dependent on 2 factors: The (maximum) solar angle in the day. The greater the solar angle, the more ...
22 votes
12 answers
7k views

How to quickly or easily prove the world is spherical?

A relative of mine has recently introduced me to the modern flat earth theory, which she believes in. Setting aside for the moment that it is ridiculous, and that sending up some balloons with cameras ...
78 votes
21 answers
61k views

Are there any saltwater rivers on Earth?

I'm curious if there are any saltwater rivers on Earth. These would presumably arise if a saltwater lake had a river outlet to the ocean. However, all the saltwater lakes I looked at (Caspian Sea, ...
7 votes
3 answers
6k views

What is the shortest path between two points on Earth's surface?

I am a Math student and don't know about longitude and latitude. This question was asked in CSIR-NET Mathematics. Please help me to solve it. Two points $A$ and $B$ on the surface of the Earth have ...
1 vote
2 answers
99 views

Why isn't Panama considered an intercontinental country?

A well-known intercontinental country (a country that exists in two or more continents) is Egypt. It has been divided to two parts by the man-made Suez Canal. The Sinai peninsula which is at the east ...
9 votes
4 answers
7k views

Is Australia the largest island?

I had participated in a quiz recently and one of the questions was 'which is the largest island in the world?'. I wrote Australia as the answer remembering that it was the 5th largest country in the ...
13 votes
1 answer
2k views

Is Hudson Bay part of the Arctic or the Atlantic Ocean?

Years ago I learned that the Columbia ice field was North America's triple divide point: water flowing from this ice field could drain into the Artic, the Pacific, and the Atlantic Ocean. Something I ...
3 votes
1 answer
46 views

Are any New Guinea snakes invasive?

Papua New Guinea has many species of snakes, some of which are dangerous: https://www.ecologyasia.com/verts/png-snakes.htm Are any of these species invasive, or are they all indigenous? Or, since that ...
2 votes
1 answer
134 views

My snarky cousin tossed a monkey into my ability to see large cloud at 300 miles HELP!

The top of a cumulonimbus cloud is usually about 40,000 feet and can reach heights of over 60,000 feet, which would be visible for a distance of 245 or 300 miles, respectively. from How far away can ...
5 votes
1 answer
157 views

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 ...
12 votes
2 answers
686 views

Most amenable coastal geographic conditions for harbors?

I've been trying to find sources detailing the natural geographic features most suitable for shipping harbors along a coast—primarily for international trade. So far, I've read vague reference to ...
1 vote
1 answer
289 views

How were the rainbow mountains formed?

There are several examples of rainbow mountains in various countries. How were they made?
1 vote
0 answers
29 views

Naming dimensions of a chunk of earth [closed]

Norway would fit in a bounding box of 500x1600x3 km, where 500 km is east-west, 1600 is north-south, and 3 km is up-down. What do you call these dimensions? When speaking about furniture, you use ...
4 votes
2 answers
206 views

If the Sea level rises, will the mountains lose their height?

I read that the altitude of mountains is measured from the sea level. So, if the sea level rises significantly due to global warming, will the mountains and hills lose some of their altitudes and ...
2 votes
0 answers
37 views

Difference between Hillshading and Terrain Resource Information Management

I am picking up on remote sensing. I came across a paper where they use the shaded relief model from Terrain Resource Information Management (TRIM) for hillshading. However, is it the same as the ...
15 votes
3 answers
942 views

Are there known ore deposits under cities?

Occasionally there are news about a major ore deposit for a specific commodity being found. Some of these recent discoveries are underground, and the "geophysics" aspect of their exploration is more ...
2 votes
0 answers
57 views

Form Lines from Strike and Dip measurements

I am looking to draw form lines on this map based on the strike and dip measurements taken on site. From what I have gathered it is an anticline with a possible second fault to the right hand side. ...
3 votes
0 answers
22 views

Relationship between Indian monsoon and Indian ocean Dipole

As we know that Indian monsoon basically involves a low pressure area over Tibet Plateau and a high pressure area near Mascarene basin. How come Positive Indian ocean dipole enhances the monsoon as it ...
7 votes
1 answer
6k views

If ALL the ice melted, what percentage of the Earth's surface would be water?

At the present time, about 70% of the earth's surface is liquid water (perhaps that includes floating ice around Antarctica, and the Arctic Ice cap). What percentage of the Earth's surface would be ...
3 votes
1 answer
2k 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 ...
4 votes
2 answers
17k views

What is the distance between the tropics?

What is the distance between the tropic of cancer and the tropic of capricorn here on Earth? Now this would seem like I could simply google the answer to it and know the exact distance in miles (...
1 vote
3 answers
13k views

How much atmoshphere is there compared to land and water

We know our earth has 71% water and 29% land, but compared to that land and water, how much air do we have in our atmosphere? I mean: How big is our atmosphere Is there any increase or decrease in ...
1 vote
1 answer
73 views

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 ...
3 votes
0 answers
47 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 ...
1 vote
0 answers
38 views

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?
2 votes
1 answer
54 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 ...
5 votes
1 answer
116 views

Before the artificial changes of the Aral Sea, what was its average depth and salinity?

The Aral Sea was a major lake of the USSR until it suffered artificial changes, which began sometime no later than the 1960s. I am unfortunately not sure when major artificial changes began. ...
5 votes
1 answer
128 views

Is it possible to infer the depth of a river from the shapes of the islands and the banks?

Look at the photo below. Presumably, the river bed is a smooth shape. Therefore, it should be possible to infer the depth of the water from the photo, right? I am not even an amateur of geo-science. ...
5 votes
1 answer
114 views

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 ...
1 vote
0 answers
42 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?
2 votes
1 answer
276 views

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,...
83 votes
7 answers
56k views

What place on Earth is closest to the Sun?

What is the location on Earth that is closest to the Sun? I've seen this question asked many times, and answered in varied and contradictory ways: The most common answer is “the summit of Chimborazo ...
14 votes
3 answers
11k views

How much distance does $0.001^\circ$ in latitude or longitude represent?

If I'm standing at a lat of 30.000$^\circ$ and a long of 30.000$^\circ$ and I move to a lat of 30.001$^\circ$ and a long 30.000$^\circ$, how far have I gone? Is there a relationship between decimal ...
1 vote
1 answer
122 views

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 ...
6 votes
2 answers
139 views

Is there any possible way that a tropical cyclone of any strength could form over land?

Most tropical cyclones rapidly weaken over land, however, given some conditions (such as very wet soil/ground cover and tropical lower atmospheric conditions) they can sustain themselves or even ...
13 votes
3 answers
16k views

In the northern hemisphere only, what percentage of the surface is land?

Across the whole Earth, about 70% of the surface is water and 30% is land. What I want, though, is to restrict the scope to the northern hemisphere (NH) only. What percentage of NH surface is land? ...
8 votes
3 answers
8k views

Difference between "Geology" and "Physical(Natural) Geography"?

I know "Geology" is a branch of "Natural sciences" and is for studying natural and physical phenomena related to earth. But "Physical Geography/Natural Geography" seems to study exactly the same thing....
4 votes
0 answers
279 views

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 ...
4 votes
0 answers
35 views

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, ...
7 votes
2 answers
984 views

What produces these distinct shapes in the Rub' al Khali seen from space?

update: Searching "Rub' al Khali Empty Quarter" found "Q2: What are sabkhas?" in https://www.geocaching.com/geocache/GC6BYQ0_rub-al-khali-the-empty-quarter which seems to be ...
3 votes
2 answers
186 views

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 ...
4 votes
1 answer
822 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 ...
8 votes
1 answer
2k views

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 ...

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