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.
209
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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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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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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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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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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?
...
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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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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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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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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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(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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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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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 ...
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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 ...
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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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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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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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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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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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2
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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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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 ...
CommunityBot
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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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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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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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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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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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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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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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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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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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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 ...
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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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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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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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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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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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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 ...
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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 ...
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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 ...
CommunityBot
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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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1
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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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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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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, ...
CommunityBot
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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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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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How do rivers last so long in dry weather?
I got caught in a downpour while climbing a mountain and was amazed to see, as I climbed down, the tiny trickles of water combine to form mini-streams, the dry rocks I had climbed up now hosted ...
3
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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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1
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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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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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