All Questions
5,508
questions
5
votes
3answers
58 views
Why does air pollution comes with cold weather in tropical areas?
I reside in Bangkok where the local press have reported several times these two last months November-December about high levels of smog. A similar phenomenon occurred last year in this period (end of ...
4
votes
3answers
70 views
Last ice age: did glaciers move South or move downhill?
(Note: this is from U.S. point of view)
I keep hearing how the glaciers "moved South" during the last ice age. But I thought glaciers moved downhill.
I can see that the glaciers formed ...
3
votes
1answer
61 views
How to measure global temperature?
people always talk about global temperature (such as the global temperature goal of 1,5 K) - but how is this value achieved? It seems to me that it clearly depends on where the measuring stations are, ...
2
votes
2answers
130 views
What are the evidences that the earth climate is getting warmer?
Someone, who does not believe climate change asked me today --
How is it possible for us to conclude that the past five years are the hottest five years since record begun, since
There are only a ...
8
votes
4answers
169 views
Why is Earth's density gradient a step-function, rather than smooth?
Why is the density of particles in Earth's atmosphere above surface-level so much less than ground and below? Why, instead, isn't Earth simply a ball of swirling gasses / liquids, which become ...
2
votes
0answers
32 views
Is there an average year of weather across the United States?
I am interested in which year has the best representation of average weather across a large area, the contiguous USA. This is challenging since what was average in the Midwest might have been unusual ...
3
votes
2answers
51 views
Would climate change result in an increase in seismic activities?
Would climate change result in an increase in seismic activities?
I can see two potential forces acting:
Temperature dilation of the Earth's surface.
A change in the distribution of water mass, fewer ...
1
vote
0answers
20 views
Looking for variables to compare against pH of soil
I'm doing a project in junior year chemistry where I get to choose what I investigate as long as it covers course content. I'm interested in exploring how quantitative (ig. incremental) change in an ...
4
votes
0answers
93 views
What's eating this sandstone
I decided to remove the tiles in my front courtyard and turn it into a garden of succulents. After removing a couple of rows of tiles then digging into the soil, I started seeing a strange thick ...
5
votes
1answer
93 views
Relative Humidity approximation from Dew Point and Temperature
I would like to find a formula to approximate RH based on known air temperature and dew point. I need the approximation to be valid at least between -20...+40 degrees Celsius. I read the accepted ...
0
votes
2answers
41 views
Solution for the coexistence of overpopulated human species with nature [closed]
Is there any solution to deal with the overpopulation of our species at the same time protect the natural environment of ours? (other than finding a inhabitable planet?)
19
votes
3answers
4k views
Are metals and other elements in every continent?
I originally thought that you can only find certain things like iron, copper, and other things in certain places in the world and deep in mines but I saw in a few YouTube videos that you can find iron ...
1
vote
0answers
18 views
Identify my rock [closed]
I love to break down rocks ( specifically gravel ) to see what's in them. This rock had a pearl looking object in the center, that is surrounded by a small circle of pyrite. The small circle of pyrite ...
2
votes
1answer
32 views
Are Fluvial and River Terraces the same?
I study about fluvial terraces. However, resources related to this topic are limited. When I searched fluvial terraces in geomorphology books, I cannot find anything, but I find river terraces. My ...
4
votes
1answer
61 views
Why does wind direction change in a front? [duplicate]
Plenty of answers answer the question that it happens but I can't find a good answer as to why the wind shifts during the passing of a front.
For an extreme example see:
(in Dutch, x is hours and y ...
0
votes
0answers
37 views
Does Coronal Mass Ejection (CME) affect my eMMC Storage?
I know that earth magnetic field is like a shield for Coronal particles. But it will generate magnetic induction
Is my eMMC Storage vulnerable?
Will aluminium foil protect my data?
4
votes
2answers
98 views
Does the position of the Earth's axis affect the position and shape of its continents?
If somehow we were to move the Earth's axis of rotation to, say, Mexico, making some spot in Mexico effectively the North Pole, would this change how the continental plates drift over time, thereby ...
4
votes
0answers
93 views
Is there scientific consensus on the existence of the iris effect
Question:
Is there scientific consensus on the existence of the Iris Effect and whether it is a positive or negative feedback mechanism? If so, can you refer to a recent publication?
Background:
In ...
0
votes
1answer
35 views
Find planetary temperature
I’ve asked this on Worldbuilding, but can anyone find/make me a formula that can be used to predict the mean temperature of a planet, while factoring in greenhouse effect?
4
votes
2answers
77 views
Are we consuming more oxygen than the world is producing due to fossil fuels?
With the disclaimer than I am not a scientist, my understanding is that the earth developed a surplus of atmospheric oxygen over the eons because a small percentage of photosynthetic organisms were ...
1
vote
1answer
35 views
What potential geoengineering technologies could help a country “achieve its Paris (agreement) targets”?
CNN's China to expand weather modification program to cover area larger than India ends with the following sentence:
"While China has not yet shown signs of 'unilaterally' deploying ...
1
vote
1answer
37 views
What happens when a mid-ocean ridge sub-ducts underneath continental crust?
I'm aware that oceanic crust always sub-ducts to continental crust, but surely the geologic forces pushing the ridge apart in the first place isn't just going to turn off, right?
Any answers would be ...
2
votes
2answers
66 views
Could saltwater be useful for greening deserts and sequestering CO2?
Desert greening is the conversion of deserts into moister environments with more vegetation. This could be used to combat desertification and (by sequestering CO2) climate change, and also to increase ...
2
votes
0answers
26 views
What if Pinatubo's eruption in 1991 had been followed by a La Niña rather than an El Niño?
If there had been a La Niña rather than an El Niño in 1991-92, would the sulfur aerosol veil caused by the release of 17-20 megatons of sulfur dioxide during the Pinatubo eruption of June 1991 have ...
4
votes
1answer
91 views
Climate change impact / risk assessment
I work for a local council in the UK. We want to include climate change as a mandatory consideration in all of our decision making. This would require project managers to look at the risk (what ...
1
vote
1answer
48 views
At what point is the atmospheric pressure considered to be high or low?
I am working with a program that I want to inform the atmospheric pressure level at atm and if the pressure is high, ...
1
vote
1answer
42 views
Question Concerning Meteorite Ejecta Travel
I was researching more into the studies done by Kjaer and his team ( https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6235527/ ) concerning the hypothesis about the Younger Dryas impact crater named ...
1
vote
0answers
16 views
Would a water rocket be better/worse for greenhouse effect compared to more standard methalox/kerolox cycles?
So there is a company called Arcaspace whose launch vehicle gimmick is that by replacing the first stage boosters, which are generally either solid/cryogenic propellants with water/steam propulsion. ...
2
votes
1answer
45 views
Has Earth's geological activity calmed down in the past 250 million years?
In the past, the Earth's ecosystem has experienced catastrophic mass extinctions as a result of large-scale volcanic eruptions. One example is the event known as the "Great Dying", 252 ...
0
votes
1answer
63 views
Identifying thrust faults on a geologic map
I am not able to upload the map as the file is too large, but I have a map which states there is an over thrust fault. It has two ticks on it indicating downthrow to the NE. The downthrow is pointing ...
1
vote
3answers
131 views
Over what distance can weather be assumed to be constant?
Good afternoon,
I'm working on an application makes calls to a weather API for different coordinates across the United States.
Instead of getting the weather at each and every point, I'm planning on ...
3
votes
2answers
78 views
How much wind power is there roughly in Britain and its surrounding?
Given the prominence of the climate crisis, it's important to get some estimates of how much wind power is available in Britain as part of a renewably energised future.
Q. What is yearly average of ...
1
vote
0answers
33 views
What are the leading methods for temporally interpolating wind data?
Weather providers, such as GFS and ECMWF usually provide their data in 3-6 hour intervals.
What would be the best method to interpolate between the intervals to get a good intermediate wind model?
I ...
1
vote
1answer
77 views
It is possible to reduce global sea level via filling empty lowlands with ocean water? [duplicate]
There are empty lowlands in Australia and Iran like Dasht-e Lut. If we fill these lands with ocean water then could we reduce the global sea level and save coastal cities like venice?
2
votes
1answer
62 views
Where do I get hourly temperature data for cities with a high resolution?
I want to do a project with very high resolution temperature data from a city (any city) with very high resolution (<10 m), in an attempt to create an animated 3D microclimate map for that city.
...
1
vote
0answers
17 views
Historical detailed rainfall recordings New Zealand
I'm wanting to know where/if I can find 2019 records of hourly rainfall in New Zealand particularly for November in Greymouth South Island
3
votes
1answer
30 views
Are there four-times daily sea surface temperature (SST) data product for Tropical Cyclone research?
Now I am working on a Tropical Cyclone project, and want to figure out the SST status when a TC passes by. I've been searching for SST products, yet there only show up to daily SST. My question is ...
0
votes
1answer
31 views
Is COMSOL Multiphysics good for subduction CFD modelling? Are there alternatives?
As a beginner for CFD modelling of plate subduction, I heard comsol to be a good software. Can anybody suggests alternatives and the demerits of using COMSOL Multiphysics? Thank you.
5
votes
1answer
87 views
Book on the history of Earth and life on Earth
I am interested in getting a better overview of the full history of the Earth and the evolution of life. Therefore I am looking for a book that goes through the different geological time scales of the ...
3
votes
0answers
28 views
Tidal current energy chart - Messina Strait
I am a student in industrial engineering, and I am doing a business plan related to exploiting Messina Strait current for electrical energy.
Does anyone have a tidal stream chart (either with velocity ...
0
votes
2answers
40 views
Why are thrust faults older than normal faults in the Himalayan-Tibetan plateau?
In the Himalayan-Tibetan plateau, both normal and thrust faults are observed. Geological
age dating suggests thrust faults are older (before 18-20 Ma) than the normal faults (after 18-20
Ma). Explain ...
5
votes
2answers
108 views
What effect does climate change have on the Earth's rotation?
I recently read a blog entry from a leap-second expert explaining that in near term (i.e. last 3 years) the Earth has been spinning ever so slightly faster, delaying the need to insert a leap-second (...
1
vote
0answers
16 views
How to efficiently estimate merchentable volume for timber inventory using species, DBH, and merchentable heights?
I am trying to estimate wood volume for forest stands I have field-inventoried using a variable plot sample method, measuring species, DBH, and height of each tree counted 'in' using a BAF-10 prism. ...
2
votes
0answers
35 views
How would district heating affect the temperature of the earth's mantle/core?
I recently came across this article outlining the use of our advancements in oil and gas drilling to implement "district heating" (or geothermal heating for our buildings/cities as a whole) ...
4
votes
3answers
97 views
How much does the gravitational and magnetic fields of a planet effect the chemistry in it?
It is known that the earth has a magnetic field and gravitational field around it, I wish to ask to what degree is the chemistry on the planet is influenced by these fields? How would the chemical ...
2
votes
1answer
68 views
Why exactly did the use of Greek letters as names for Hurricanes happen the first place, despite the fairly obvious and predictable impracticalities?
The Washington Post article Hurricanes Eta and Iota brought disaster to Central America. Officials can’t retire their names. describes a complicated situation, aspects of which are:
Eta roared ashore ...
0
votes
2answers
39 views
Are marine fossils in the mountain happens due to lower sea levels?
https://9gag.com/gag/aBme0M2
This one says it is
I am not sure whether to ask this in geology or biology.
How does marine fossils show up in mountains?
4
votes
1answer
39 views
How far would average sea level rise from a 25% increase in total ocean volume?
What amount of average sea level rise (in meters above 2020 levels) would be associated with a 25% increase in total ocean volume?
The reason I ask is because of this study that indicates Earth has ...
2
votes
1answer
57 views
Are there any sulphides, sulphates, carbonates that cannot be dissolved by aqua regia?
I was looking into these specific minerals: arsenopyrite, pyrite, chalcopyrite, barite, calcite, dolomite. I investigate issues with tellurides not showing expected gold concentrations.
There is gold ...
4
votes
3answers
114 views
Did we ever record a reduction in sea level when the Panama canal was constructed?
Are any instruments today or at the time of the creation of the Panama canal capable of detecting a reduction in sea level from the creation of it? Given the size of the canal in comparison to the ...