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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8
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1answer
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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1answer
24 views

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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2answers
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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 ...
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0answers
27 views

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 ...
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2answers
80 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 ...
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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? ...
3
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0answers
52 views

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 ...
5
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1answer
608 views

Why does more sunlight hits the equator than the ecliptic path?

I've always been told that the equator is the region on Earth that receives the most sunlight. But I wondered, since the ecliptic is the circular path that the Sun appears to follow over the course ...
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0answers
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Where do I access Landsat 5 TM from 2002-08-04 to 2008-06-01

I am searching for Landsat 5 TM images from 2000 to 2012 in the Earth Explorer Web site (https://earthexplorer.usgs.gov/). However, I couldn't find any scene in my study area starting from 2002-08-04 ...
2
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1answer
289 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 ...
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1answer
111 views

How to interpret these kind of coordinates?

I am currently working on a project with my university and ran into trouble. I am building an application for indoor localization and am currently trying to benchmark our implementation. To do this I ...
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2answers
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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 ...
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6answers
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(Why) Is there more landmass on Earth's Northern hemisphere than the Southern Hemisphere?

This Question on Worldbuilding is based on the presumption that there is a greater amount of landmass on the Earth's Northern Hemisphere than there is on the Southern Hemisphere. While researching ...
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1answer
62 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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45 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,...
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1answer
69 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
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1answer
813 views

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
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1answer
556 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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0answers
37 views

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/...
4
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2answers
59 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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2answers
10k 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 ...
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1answer
74 views

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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2answers
91 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 ...
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0answers
70 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 ...
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1answer
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What is this weird looking structure in Ethiopian desert?

I was surfing through Google Maps around Ethiopian desert region (close to the town of Werder/Wardheer) and I found this weird looking structure. It seems like a dried up lake bed, but I can't guess ...
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623 views

What is the name of this feature on the Red Sea coast of Saudi Arabia?

25°37'32.38"N - latitude 36°44'27.66"E - longitude This is between Umluj and Al Wajh on the Red Sea coast of Saudi Arabia. I can't find any kind of identification in English or Arabic. So I am ...
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39 views

Why Sutluj, Ravi and Beas rivers are called eastern rivers? Is it related to their geography?

Indus water treaty says eastern rivers are Indias and western river control are with Pakistan. All rivers origin from west of Tibet I think and flow from west to east but why this nomenclature of ...
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0answers
51 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?
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2answers
841 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 ...
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0answers
801 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 ...
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1answer
72 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 ...
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3answers
224 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 ...
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3answers
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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? ...
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1answer
61 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 ...
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3answers
136 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 ...
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11answers
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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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9answers
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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 ...
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0answers
65 views

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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1answer
50 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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2answers
263 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 ...
3
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1answer
487 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 ...
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2answers
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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 ...
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0answers
47 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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0answers
30 views

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 ...
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1answer
51 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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3answers
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Is there a map that displays every country at its correct relative size?

I know that the standard Mercator projection is completely wrong when it comes to the relative sizes of countries (Greenland appears relatively much larger than in reality, for example). AFAIK they do ...
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0answers
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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 ...
8
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1answer
9k views

How did the Ural mountains form?

A nice picture for "how mountains formed" on Earth is due to the motion of tectonic plates. As the plates crash together, mountains may get "pushed upwards". However, a quick look at a map of the ...
3
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2answers
61 views

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 ...
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1answer
3k views

How to cite LandSat 8?

I'm wondering how to quote a Landsat mission product. I have seen many ways, but I can't decide which one is the best. Thus, I would like to know if there is a standard for the minimum information ...