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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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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49 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
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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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0answers
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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 ...
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1answer
104 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 ...
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1answer
67 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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What percentage of oceans and seas fall in tropical, subtropical, temperate and cold zones?

It is easy to find information on total area of oceans and seas. For example Atlantic ocean is 106 500 000 km², Indian ocean is 70 560 000 km² and Pacific ocean is 165 200 000 km². But waht percent of ...
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9answers
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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 ...
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2answers
86 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 ...
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38 views

Why is Europe still considered a continent(along with Asia)? [closed]

It is true that there are multiple definitions of a continent. But it is also true that Europe fails to satisfy any of them. One of the boundaries between Europe and Asia was chose arbitrarily(the ...
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What were the Two Largest Forests of Western and Central Europe (circa 600 BC)

I am trying to find out what forests were the largest in Western and Central Europe, around 600 BC. I understand that accounts dating that far back may be difficult to find, but I hope other sciences ...
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1answer
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Splitting the Earth's emerged land in two equal parts

Is there a meridian that has exactly as much emerged land area 180° on its East than 180° on its West (on the assumption that it could exist...)? If there is no meridian, is there any other great ...
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Which is the longest River in Germany and Russia?

Danube is 2850 km long and yet Rhine (1233 km) is considered the longest River in Germany. Likewise,the confusion between Yenisei and Volga in Russia.
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1answer
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Storing borehole interval data (logs) in netcdf

I have a number of datasets that describe geological properties as intervals down a borehole (e.g. unit codes, sample results) In a database, or a flat ASCII file, I would describe these with a ...
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1answer
41 views

At what sea level would beach area be maximized?

If the sea level was 30000 feet, all land would be submerged and no beaches would exist. If the sea level was -30000 feet, no sea would exist and there would also be no beaches. The beach area ...
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1answer
66 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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58 views

Did people trigger the White Island 2019 eruption? [duplicate]

I am writing an essay about White Island’s 2019 eruption, and I need to know if the eruption was directly triggered by people. Is it possible that it was? Whether it being quarrying, too much tourism ...
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275 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
56 views

What is the origin of the River Citarum on Java, Indonesia?

The Citarum river seems to pass through Bandung. The Cikapundung River seems to empty into the Citarum, but this means Citarum starts somewhere else, right? I tried to follow it in a map. It seems to ...
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1answer
224 views

How much water will flow into the Caspian Sea if it is connected to the World Ocean?

I wonder how much benefit would a hydroelectrical project built on this inflow bring. There are projects to fill up the Erie, Salton, Qattara and the Dead Sea. But for the Caspian, there is only a ...
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2answers
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What is “sheltered site” (as opposed to “exposed site”)?

What is "sheltered site" (as opposed to "exposed site")? It's used in context of location of trees in bumpy ground areas and weather damage.
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2answers
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How do oases form in the middle of the desert?

I am wondering if there are any theories about the formation of oases, and I am also curious about why an oasis can even last for a very long period of time. I have heard that fresh water exists on ...
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2answers
352 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 ...
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4answers
142 views

Is Oregon lake extremely pure water? If so, why?

My question is, Is the lake shown in the YouTube video Clear Lake, Oregon extremely pure water by volume not counting dissolved air which might be about 1 in 20 by volume? In case you didn't ...
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What is the Offset Corner Latitude and Longtitude?

I tried to understand about Offset Corner Latitude Point 1,2,3,4 and Offset Corner Longitude Point 1,2,3,4. But I couldn't understand what is it? For example, I have the Frame center Latitude and ...
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1answer
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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 ...
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1answer
157 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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What is the meaning of nomalized difference Built-up index?

I know how to calculate it by remote sensing image, but why do we define this? What can we know about a remote sensing scene by this indicator? What's the connection between normalized difference ...
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5answers
516 views

What is this geomorphological form?

What is this geomorphological form located at Vitrolles, France? And how is it formed? It is like a 'raised flat land', or a base of a hill where the top 80% is cut, leaving only the wide, flat base.
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How to determine the orientation of coastline from NetCDF file

I have a NetCDF file (gridded data) with a landsea mask. I would like to determine, for the coastal grid-cells, what the orientation of the coastline is. I need to do this in order to calculate the ...
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0answers
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How does jetstreams lead to formation of heat waves in Europe?

Jetstreams move at an altitude of roughly 6-9km above the sea level. Since, it is moving at such a great altitude how could it have possible impacts on the land? And how will jetstreams that flow at ...
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2answers
85 views

How far above sea level can you get on the equator?

Quite simply what is the highest point above sea level that is right on the equator, I figured it would be a mountain in the Ecuadorian Andes but the Kenyan highlands look to be a likely candidate as ...
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1answer
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What is the significance of amphidromic points related to tides?

On reading about tide formation and the role of moon's gravitational force, I came across the term amphidromic point. Could someone please elaborate this concept?
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What is the line crossing the Pacific Ocean that is shown on maps?

The picture below shows an imaginary line on the globe which crosses the Pacific Ocean and works as a rough separator of the Eastern and Western hemispheres. What is this line called in English? I'm ...
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2answers
261 views

Is there a hemisphere where there's more land than ocean?

From a previous question, around 40% of the northern hemisphere is land. Would there be a plane splitting the earth into two equal parts, where in one part there are more land than ocean?
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A few questions about the morphology and sediment dynamics of Wissant Bay (France)

Could someone please explain what exactly is shown on the following image? I have a few questions such as: How did the 'Banc à la Ligne' come about? (I know it has something to do with the fact that ...
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1answer
976 views

Peninsula vs Cape [closed]

I know that Peninsula is much larger than a cape, but is there a definite way to differentiate them? I.e. by area- if the total area is larger than 30 sqkm, any headland is classified as peninsula..
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Is there any downscaled income data for representative concentrations pathways?

I know that downscaled income data existed for The Special Report on Emissions Scenarios (SRES) Scenarios for IPCC's climate change scenarios. (http://ciesin.columbia.edu/datasets/downscaled/) For ...
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1answer
156 views

Great circle in UTM coordinates

I've got a question about calculation of great circles in Cartesian coordinates: Is it possible to compute points along a great circle in UTM coordinates, i.e. given two points P1(easting1, northing1)...
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2answers
4k views

What are the farthest Time Zone locations? [closed]

What place in the world has the farthest time zone? I heard it was Kiribati but then I found that Apia (Samoa) is further. So, is there anyplace that is the farthest in time than these two? What about ...
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2answers
79 views

Data for plotting tephigrams

I want to plot some tephigrams. Where can I find pressure, temperature and dewpoint data in text format?
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2answers
202 views

What is the collective name for the seas of Indonesia?

The seas in Indonesia or Sunda Shelf or Southeast Asia separates the Indian Ocean and Pacific Ocean. The seas in Indonesia itself are broken into many parts due to presence of islands such as Sunda ...
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1answer
235 views

What is an isolated land area of one type of rock surrounded by land of a differing rock type called?

For example, if there were a large land area with exposed basalt, in the middle of which is a smaller isolated patch of Granite, what is that isolated patch called? I came across the single-word ...
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1answer
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Which mountains (or hills) are visible from both Boston and Rhode Island?

In the description of the Norse exploration of America, there are two places mentioned, "Hop" and "Straumfjord", with some relationship to the same mountains. E.g. The finding of Wineland the Good, p....
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2answers
90 views

mountain database of elevation and distance from saddle (as a proxy for gradient)

I'm interested in doing data visualization projects about mountains. We have data from http://www.peaklist.org/ultras.html complied by Aaron Maizlish (Who we tried to contact but not sure of his ...
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2answers
1k views

Are there seamounts as close as 100 m to the water surface and not inside any Exclusive Economic Zone?

I did not find any seamounts as close as 100 m to the water surface (100m from the mean surface level at the location of the mountain) that are not part of any Exclusive Economic Zone (EEZ.) Do any ...
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1answer
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How to determine (lost) surface (km²) of a country when both population and population density have changed? [closed]

I am not sure if the question suits in this stack board, but I give it a try. Let's assume there is a country with a population of 327 million people and a surface of 9.6 million km², resulting in 34 ...
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1answer
209 views

Would more or less land be usable if global temperatures rose?

I think a large portion of the earth's land is unusable from being too cold and land that is too hot does not have enough water and dries out which could be fixed by diverging water to those areas. ...
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6answers
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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 ...
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2answers
2k 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 ...