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7
votes
2answers
993 views

Have there been any studies on how vehicles directly contribute to a rising global temperature?

I've tried searching for this myself, but Google is saturated with the Greenhouse Gases angle of Global Warming. What I'm interested in is the following: Greenhouse gases aside, to what extent do ...
4
votes
1answer
492 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. ...
10
votes
2answers
2k views

Impact of Sugar on the environment

i hope this question fits here. In my local nature reserve there is an "art" project... but the local population has it's concerns. Seeing most things seem to be random trash thrown in (like ...
10
votes
1answer
375 views

Why is the deep sea cold?

Except near thermal vents, the deep ocean is generally considered to be quite cool. For instance, The Mariana Trench (~10 km deep) is 1-4 °C. However, the geothermal gradient runs counter to that, ...
3
votes
0answers
27 views

What are those precipitation and water droplet characterization instruments called that they put on meteorological aircraft? How do they work?

A long time ago I did some reading on Mie scattering and atmospheric particulate counting and I got sidetracked on raindrop characterization. I remember reading about light and laser based ...
5
votes
1answer
336 views

Do perfumes and deodorants contribute to global warming?

If perfumes and deodorants cause air pollution, does that mean they also heat the planet?
2
votes
0answers
37 views

Did geologists determine the age of rocks and fossils before the advent of modern scientific dating methods?

Did geologists determine the age of rocks and fossils before the advent of modern scientific dating methods such as radiometric, electron spin resonance and thermoluminescence? If they did, does ...
1
vote
0answers
49 views

weather forecast data: how to know what to choose

I am interested in weather predictions at 1-day, 1-week and 2-weeks, ideally with a 1-kilometer resolution in various regions around the globe. I am particularly interested in wind speed at 100m. I am ...
2
votes
0answers
27 views

What is the electrical conductivity of a liquid Komatiite?

I am searching for previous work that has determined the electrical conductivity range for komatiites at the surface. Does anyone have some values or references?
3
votes
1answer
55 views

Looking for study on the pollution of the forest

I hope that my question fits in this forum. I am looking for empirical literature dedicated to pollution in the forest. So far, I have only found psychological literature that tries to find out what ...
3
votes
2answers
60 views

How much of Earth's internal heat comes from primordial heating and how has it changed since Earth's formation?

I'm trying to get a general idea of how Earth and other planets behave over time for a project. While I can find plenty of good data about how much radiative heating there was, I can't find anything ...
2
votes
1answer
40 views

Wind monitoring system for a specified region: How should this be done, and with what?

I am unsure if this is the correct place to ask such a question I will give it a go. So, the lab I work in is building a "drone park" to conduct robotics and controls experiments in. This ...
3
votes
1answer
93 views

Determining if a fine resolution lat/lon point lies in a coarse resolution lat/lon grid box?

I have two datasets, each with two differing resolutions. The first dataset is a coarser resolution data set that has 0.5 x 0.625 degree resolution and contains values of MERRA-2 boundary layer ...
2
votes
0answers
31 views

How hot would days get if it were always the solstice in the northern hemisphere?

Imagine the Earth's axis of rotation were to precess in synch with the orbit of earth around the sun so the north pole always pointed towards the sun (same current axial tilt of about 23 degrees). ...
-1
votes
0answers
14 views

Grow oil palms in the desert? [duplicate]

Would it be possible to grow oil palms in the Sahara desert to increase the world wide production of oxygene and lower the carbon dioxide levels? https://conservationx.com/project/id/39/desertpalmoil ...
2
votes
1answer
202 views

Would freezing the ocean and storing the ice in the poles reduce effects of climate change or sea level?

Disclaimer I've read this question already on sending water to the north pole, south pole and glaciers, and I thought I'd give it my own take and see how technically possible it could be. Question As ...
4
votes
1answer
41 views

What makes a typhoon suddenly turn by 90 degrees? (e.g. 2021 In-fa/Fabian)

The motion of Typhoon In-fa or Fabian made a hard 90 degree left turn and started heading towards Taiwan, slowed to 5 km/hr before reaching it, then took a hard 90 degree right turn and proceeded ...
14
votes
4answers
5k views

What is the Pressure at the center of the Earth?

In the question below, it was determined that gravity reduces to zero at the center of the Earth. That is logical. Previous question: Does gravity increase the closer to the core you get? However if ...
1
vote
0answers
28 views

Has the pear shape of the earth been measured?

I have heard Neil degrasse Tyson say the earth is pear shaped but I can’t find any source for this. We all know the earth has an equatorial bulge because it spins but Neil says “it’s slightly wider ...
0
votes
0answers
32 views

Found a tooth or crustacean claw? Can anyone please identify it?

Found it on the sand near Destin, Florida. Thought it was a shark tooth at first but I am second guessing. It is hollow and white. ]2
1
vote
0answers
64 views

Rapidly rising land after rain seen in India? What can cause this?

I came across a video where a piece of land was seen rising very rapidly after rain. The land got elevated within a few minutes by atleast a meter. Can anyone suggest possible mechanisms? I am sharing ...
4
votes
2answers
161 views

When would the earth run out of carbon dioxide without man made climate change?

One of my friends told me quite seriously that Gaia had evolved humans to burn the fossil fuels and thus stop the earth running out of CO2. Leaving aside the obvious nonsense it did raise an ...
0
votes
0answers
61 views

How much would 5 gigatons of methane warm the atmosphere compared to 5 gigatons of CO2 if both were released in one go?

I don't know much about science, I'm just curious about how much warming a certain amount of CH4 would cause compared to a similar amount of CO2 (both 5 GtC). I'm sorry if the question sounded a bit ...
3
votes
1answer
36 views

At what theoretical depth of sand would pressure turn the sand into rock?

Thinking about the movie Dune (this is not a sci fi question) got me to wondering. In the theoretical situation where you had a desert of sand with an unlimited depth here on Earth. At what depth ...
1
vote
0answers
14 views

Calculating carbon sequestration on the percentage of tree cover

What variables are necessary to calculate carbon sequestration on densely population tree cover over a large spatial range? I wish to work on a project that has been proposed to me and my team at work....
1
vote
0answers
34 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/...
3
votes
1answer
43 views

Is it incredibly unlikely that industrial societies emerge elsewhere in the galaxy due to lack of petroleum or similar substance?

Not sure where to post this question, but it struck me the other day that the major driving force behind our modern industrial society is owed nearly entirely to the harnessing of petroleum power in ...
12
votes
1answer
1k views

What is an “exquisitely rare pollen corona”? How can pollen produce several tight rainbow circles around the Sun, and why pollen specifically?

The Forrest Mims YouTube video An Exquisitely Rare Pollen Corona shows a pair of rings closely circled around the Sun with rainbow colors; blue on the inside. The first annulus is easy to see, the ...
3
votes
1answer
40 views

How exactly is cotton production linked to salinization of potable water?

The Aral Sea region has a problem with salinization of soils and drinking water, e.g. water coming from wells. As I understand it, it's caused by unsustainable cotton farming, but what is the exact ...
2
votes
1answer
42 views

Pertinence for a formulae similar of the RMSE to measure the meteorologic forcing impact on the variability on a model output

I want to validate a model and compare several parameterizations. I have some observations so I calculated the RMSE for each parameterization with the best meteorological forcing. However I want to ...
16
votes
8answers
5k views

Ways to make a “How hard is it raining?” detector for personal use?

Is there a consensus on the "heaviness" of rain? and Relationship between Probability of Precipitation and Predicted Amount of Rain remind me of a gedankenexperiment of mine. I like to ...
3
votes
1answer
62 views

Relationship between Probability of Precipitation and Predicted Amount of Rain [duplicate]

If a popular website provides an hourly forecast, and it states at 12:00pm there will be a 20% chance of precipitation and 2.5 mm of rain... What does the "2.5 mm of rain" mean? (A) ... If ...
4
votes
0answers
47 views

How can we know the past height of mountains?

In Feynman Lectures on Physics Volume I, Feynman talks about the relation between Physics and Geology. He says “Mountains are no lower today, on the average, than they were in the past”. Through what ...
1
vote
1answer
24 views

What is the vertical offset of geopotential height from ellipsoidal height in GFS?

I would like to compare NOAA GFS (Global Forecast System) geopotential height from ASL and GTOPO30. However, I cannot find vertical offset information in GFS geopotential height. Does anyone know ...
4
votes
0answers
64 views

Rainfall Anomaly Index using satellite data

I'm working on a script for calculating the Rainfall Anomaly Index1 (RAI) for an area using satellite imagery to estimate precipitation. The context I have seen the RAI used in before is for weather ...
5
votes
0answers
75 views

Why did the Tigris and Euphrates but not the Nile river basins experience desertification?

The sites of ancient Mesopotamian civilizations tend to be very dry, unlike those of ancient Egypt. Looking at the areas via online maps also shows, that while the Nile river basin remains very green, ...
2
votes
0answers
18 views

Phase rule for akf triangle diagram in the field of metamorphic rock lithography

Why does the number of components become 3 when calculating the phase rule of rocks consisting of MS and Chl. According to the Goldschmidt's minimal phase rule, in most cases, the degree of freedom of ...
9
votes
4answers
2k views

What significant factors influencing geological change are still occurring?

I am teaching a secondary school course on my state's local history. The textbook begins with the history of the first humans, yet I think it is unfair not to start back much earlier, introducing the ...
0
votes
0answers
20 views

Why can (certain) uranium dating methods only provide a MINIMUM age of a sample?

Has everyone heard the stories about two new sets of archaic human remains found? One set of remains in Israel (Nester Tampa 'Homo') and one set in China (Homo longi -Dragon Man)? Multiple press ...
1
vote
0answers
25 views

From ice core analysis to temperature curves

In ice cores a lot of data are measured and analyzed and can be plotted versus depth, for example age of layers thickness of layers concentration of spurious gases concentration of solids delta ...
3
votes
2answers
151 views

Is there a consensus on the “heaviness” of rain?

As part of the home dashboard I am developing, I get information about incoming rain. It is given in mm/min. Is there a consensus on the precipitation rate that is called "light rain", or &...
4
votes
2answers
55 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/...
3
votes
1answer
51 views

Simple model that exhibits a climate tipping point

I am trying to understand climate tipping points better and I am looking for a place to ask the following question. If Earth Science SE isn't the right place, a recommendation of a better place would ...
2
votes
1answer
45 views

Does water affect radiometric dating?

When radiometric dating, would water affect the measured age of old rocks ? Specifically would water affect Uranium-238 to Lead-206 dating of Zircon crystals? Would it affect the lead since it’s ...
3
votes
1answer
45 views

The effect of enclosed channels and breakwaters on wave height and velocity

Some context: I row every morning, and due to my rowing club's proximity to a large lake, it is often very windy and rough (which builds character, according to the coaches). I noticed that as we row ...
5
votes
0answers
54 views

Normalized Difference Vegetation Index sensitivity to soil

A lot of papers mention that Normalized Difference Vegetation Index (NDVI) is sensitive to soil background such as bare soil. My question is what is the exact reason behind the impact of soil on NDVI? ...
1
vote
0answers
15 views

How do I find the Datum (Diurnal Correction) number for a Magnetometer

I’m a new prospector who was given the task of learning a GEM GSM-19T Proton Magnetometer. I’ve learned how to set it up, take base readings, and take walking surveys. However when setting up a base ...
0
votes
0answers
29 views

What does DHW (Degree hours (base 0 C) when W= 1 ) mean?

I am reading a paper on A-Scab simulation model and there I saw an equation given in the picture I am confused what does wetness (W) mean, as in is it a meteorological variable ?? Or does it mean ...
4
votes
0answers
17 views

USDA soil classification vs FAO/UNESCO soil classification

I am making a global social media website for farmers and gardeners which can be used to share information about plant varieties. This sharing is done via so called garden journals. In a garden ...
8
votes
2answers
1k views

Do lead 206 and other daughter isotopes occur naturally?

I am reading studies about the age of the earth and U-238 to Pb-206 comes up a lot. My question is: In meteorites, or really anywhere, is lead 206 natural or does it always come from radioactive decay?...

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