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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.

57
votes
4answers
11k 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 ...
1
vote
2answers
691 views

Erosion without weathering?

In one of my Geography books, the following sentence is written: Though weathering aids erosion, it is not a pre-condition for erosion to take place. How can I justify this? Almost all the forms of ...
1
vote
0answers
39 views

Sink holes in drainage area

I live in Florida (aka the land of sink holes). Due to the flat nature of my area, it is common place for housing developments (and any developments really) to dig large drainage areas to give water ...
3
votes
1answer
63 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. ...
2
votes
0answers
54 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 ...
-1
votes
0answers
27 views

How did isostasy contribute to the reading difference between the two methods while measuring the latitude difference between Kaliana and Kalianpur?

The two methods talked about above are 'triangulation method' and 'astronomical method' (which uses a plunge bob)? According to J.A. Steers, 'for mechanical equilibrium of the earth's surface, equal ...
2
votes
0answers
60 views

Which software is easiest to use to create plots like these? [closed]

There seems to be many options for a single problem, but each with different approaches and complications, and that makes is confusing and time consuming for this beginner to work out which to use. I'...
2
votes
1answer
70 views

Is the representation of Earth oriented correctly in this image?

Is there something wrong with this image? I found it in Wikipedia's article Ecliptic coordinate system and the image's source page is here. What bothers me is the orientation of the Earth's surface (...
3
votes
2answers
123 views

Is this a contradiction in Wikipedia's definition of temperate zone?

Under the Wikipedia article Temperate climate Temperate climate in the introduction is describes: In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span ...
1
vote
1answer
64 views

Land to ocean ratio in jurassic era

In todays world, 71% of the surface is covered in water. But was this always the case, far prehistoric times? Id guess you can estimate pretty precisely where the prehistoric oceans were based on ...
1
vote
0answers
25 views

Increse/decrease in day light hours at locations very close to the Arctic and Antarctic circles

I am not an expert in geography. In fact, I know almost nothing about geography. This question in fact concerns a math problem: I have been assigned to construct an analytic description, i.e. to find ...
4
votes
3answers
64 views

Transferring water using underground channel

I heard in tv show, there are water channels in underground like rivers or small channels! So I just wondered why don't we use such underground water channels to recharge the underground water of one ...
1
vote
0answers
17 views

Is there a formally-defined converse of a Prominence Walk?

My question was inspired by this one - in particular, the subtopic of pumping water from the ocean to the below-sea-level basins to deal with rising sea levels (spoiler: it's horribly infeasible and ...
7
votes
1answer
80 views

What physical measurement / elevation is used to define Earth's radius?

Earth's radius is usually given as 6378137 meters (equatorial radius), its flattening is defined as 1/298.257223 (WGS84), and thus its polar radius is calculated as 6356752 meters. However, the ...
0
votes
0answers
42 views

Where on Earth is the most windless lake with its own sea breeze?

I am looking for a lake that is circular with a lack of external wind but big enough to have its own sea breeze strong enough to intentionally entrap a blimp in a natural vortex. Is there such a ...
2
votes
0answers
61 views

Longest land path on Afro-Eurasia

Regarding Afro-Eurasia as single continent, I tried to draw longest geodesic line within it and got which is 16628 km (10 332 miles) length. Looks like this line is rather stable and lasts from ...
3
votes
1answer
167 views

Where on Earth has the least changing temperature? [closed]

Is there a map that shows places where the temperature changes the least season to season? Is there a place on Earth where the temperature is the most constant in a comfortable range?
0
votes
1answer
38 views

Temperature graph for solar

Just wondered if this was accurate. Sorry for poor grammar. Typing on pgomw.
0
votes
2answers
47 views

which are the two countries with the flight time between them and time zone differences are equal [closed]

I have been flying to different countries so often and this question came to my mind out of nowhere! Which are the two countries with the flight time between them and time zone differences are equal? ...
17
votes
4answers
8k views

What is the deepest we have ever gone into the Earth?

I remember Journey to the Center of Earth and wonder: What is the deepest in the Earth surface or below sea level we have traveled either by foot, sub, drill or camera?
4
votes
1answer
111 views

How much of Earth's land area has antipodal land area?

Using the site antipodesmap one can quickly explore what the opposite point of the earth to any location would be. That is, the surface point connected to this point by a straight line through the ...
0
votes
2answers
128 views

Is there any correlation between Australia's uranium deposits and the unique animals?

Australian animals are very different than the rest of the world. I wonder if the radiation of Australia's Uranium deposits have anything to do with why animals uniquely evolved? For instance, ...
4
votes
2answers
76 views

How much change has there been to the shape of plate boundaries over geological time?

This is a question that has bothered me for many years. As a new teacher I was asked this question by a 12 year old in our plate tectonics class. I said I would go away and find out. I would really ...
0
votes
0answers
37 views

Where can I find a map/GIS of exposed granite

Where can I find a map, or coordinate list, or make an appropriate GIS query to look for large exposed granite mountains world-wide. (E.g. Yosemite would show up.) I've located several GIS systems ...
9
votes
0answers
187 views

How big does a lake have to be to have its own Sea Breeze?

How big does a body of water need to have a sea breeze? Is there a chart on sea breezes wind speed that include lakes? Could a circular lake create enough sea breeze to create a wind vortex in the ...
6
votes
1answer
2k views

How to calculate residence time for an element in a reservoir?

The residence time for an element in a reservoir can be calculated by the reservoir size at steady state divided by the inflow or outflow rate. Given the following diagram, I need to calculate the ...
0
votes
0answers
34 views

Where on Earth is the highest atmospheric pressure with the least amount of wind? [duplicate]

This question differs because it is not the same. In the blue area where is the highest air pressure? With a storm is OK with an average to. My question was partially a duplicate but I am still ...
1
vote
0answers
154 views

Is mediterranean climate a type of monsoon climate

Given that monsoon climate has the primary feature of seasonal reversal of wind systems and the same happens in case of Mediterranean climate too, does that mean Mediterranean climate is a special ...
4
votes
2answers
2k 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 (...
5
votes
1answer
533 views

What percentage of Earth's surface is arid?

Is there available information on how much of Earth surface is arid climate?
9
votes
1answer
114 views

Is there a special name for along-course elevation profiles of rivers, and where you can you find them?

Was discussing the terrain and rivers of Europe today with my father and it became apparent that a graph of the elevation versus course of a river would offer interesting insight, including a quick ...
0
votes
1answer
110 views

What is the name of the sea in this image? [closed]

I was reading in Wikipedia about the Indian Ocean and I saw there an image of the part of the globe with a "closed sea" (it's marked by a red arrow in the attached picture). What is the name of this ...
9
votes
2answers
142 views

Is Atacama Desert cloudy or cloudless most of the year?

I saw many contradictions everywhere. For example, my geography textbook says that Atacama Desert is a desert where foggy weather is common, and it persists almost the whole year. Whereas every ...
2
votes
1answer
97 views

Are these the net radiation at surface, and the complete energy balance at surface?

Could not find these in my book but I found something I think might them online (is this correct): Net radiation balance: R_NET = SW↓ - SW↑ + LW↓ - LW↑ Complete energy balance: R_NET - G = H + LE ...
2
votes
0answers
48 views

Subterranean Climate System?

Do subterranean habitat have climate system(s)? Could it be placed in any or all of the known ones: tropical, subtropical, temperate etc. ? Is it unique?
14
votes
2answers
5k views

Where is the calmest place on Earth?

I have done some research online, and I've found out that Antarctica has the calmest winds (lowest maximum wind speed) recorded on Earth. However, it is uninhabitable for human life. Other very calm ...
2
votes
1answer
110 views

Volcano in ocean?

Is it a volcano in this image ? The magnified version. I was browsing through earth images here when I spotted this orange thing. Is it some oceanic volcano? It may be an absurd question but is it ...
1
vote
2answers
3k views

Fault Lines in North America

I was trying to figure out what areas in North America would be most likely to have earthquakes, but I couldn't come across a good map for this. It's easy to find the areas with the highest incidence ...
1
vote
1answer
72 views

Why is this area apparently unpopulated in the great Buenos Aires, what is it?

I'm not sure if I can ask this question here but it is the only Stack Exchange community where I saw the tag Geography. I was reading about the great Buenos Aires and I saw this night satellital ...
0
votes
1answer
61 views

The sun rises up at 7:30 in 25°E, What time will the sun rise up in 15°E?

I've a question about time calculating. The sun rises up at 7:30 in 25°E, What time will the sun rise up in 15°E? What I've tried $$25° - 15° = 10°$$ By the way $$10° . 4 = 40 \space \text {...
2
votes
1answer
152 views

Gnomonic projection of a curves with constant latitude

If we consider gnomonic projection, what are projections of curves with constant latitude. For example, we know that great circles are projected to straight lines. So, equator should be projected on a ...
1
vote
2answers
3k views

Least populated time-zones [closed]

What are there any loneliest places on earth in term of population per time-zone? What is the answer for full hour time-zones (UTC+1,UTC+2..) and in other including for example UTC+4:30? SORRY I may ...
4
votes
1answer
56 views

Is there a measure for the “dominance” of a city's population?

since there are topological isolation as well as prominence as measures to describe how "dominant" a summit is in comparison to the ones surrounding it, I was thinking about a similar measure to ...
3
votes
3answers
337 views

Eclipse, Hurricanes, Earthquake…Related Events?

Forgive my ignorance, I'm out of my depth. My wife has pointed to the upsurge climate and geological activity post Eclipse. My immediate response, at least inwardly, was to reject her suspicion. ...
1
vote
2answers
521 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 ...
3
votes
3answers
153 views

Is there a better system than latitudes and longitudes? [closed]

I am a student programmer, with very little knowledge of geography and am working with maps for a project, and have to convert latitudes and longitudes to points on a screen (map to pixels). So my ...
2
votes
1answer
49 views

Does the length of a river depend on the scale of measurements?

Coastlines are highly fractal, leading to the coastline paradox: the length increases to surprisingly large numbers as your scale of measurement gets smaller. Does the same thing apply to rivers, ...
6
votes
2answers
172 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 related. From the NASA ...
7
votes
1answer
194 views

Where is the Arctic Circle for civil and astronomical twilight?

The Polar Circles are located at 66°33′46.7″ North and South, defining the minimum latitudes at which, for at least one 24 hour period during the year, the limb of the Sun never becomes invisible ...
2
votes
1answer
92 views

Identifying different parts of a cave

Hopefully this is on topic here - I'm wondering if there are names for the different "biomes" that are present within a cave. Some of these "biomes" include: Open (no) ceiling, sunlit, potentially ...