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1500 questions
9
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How should I choose the block size in constrained model-based inversion?
In constrained model based inversion, block size (in ms) is one of the inversion parameters. Specifying the block size value in the software divides the pseudo-velocity log into that number of layers or blocks. A smaller block size means higher…
Kunal Rathod
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9
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Groundwater unloading and corresponding changes in fault zone stick-slip behavior
I was intrigued by this Slate piece, more or less a summary of Amos et al. (2014)'s Nature article, which essentially states that groundwater depletion and subsequent crustal unloading causes a decrease in the stress normal to the San Andreas fault,…
Ian
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9
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2 answers
Will a nuclear bomb stop an earthquake from happening?
I was recently watching the San Andreas trailer and a thought occurred to me as to how best to prevent earthquakes. I figured, why not nuke it? My professor said that it's possible for nukes to stop hurricanes so it got me thinking as to what else…
AHungerArtist
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1 answer
What causes the colors seen during a sunset / sunrise?
What causes the typical red, pink or orange colors seen in sun-rises and sun-sets?
How come the sky doesn't just turn a darker blue?
Azzie Rogers
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9
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Traits of invaded ecosystems? Are my compost worms a threat to New York?
I was shocked to learn that there were few native worms in the glaciated portion of North America. I use worms indoors to compost paper and kitchen scraps. I don't think there is much chance of transfer as my garden is on the roof of an apartment. I…
futurebird
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9
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What type of clouds are these?
I would appreciate some help in identifying these clouds:
This was taken on a commercial plane flying between Hong Kong and Japan on the 31st of March around 2pm.
I tried looking up cloud types but was not too sure. This sort of had two different…
kitsu333
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9
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1 answer
Dependence of solar irradiation through the atmosphere on Sun's altitude
I want to show that the higher the Sun's altitude, the higher the solar irradiation through the atmosphere, through simple experiments. However, I don't have the instrument that measures irradiation. Is there a good approach?
ZeroPepsi
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0 answers
A faster way to measure the rock magnetic S-ratio?
The S-ratio is commonly used in rock magnetic and enviromagnetic studies to quantify the relative abundances of minerals with high and low remanent coercivities. As most frequently defined (e.g. by Evans and Heller, 2003), it is calculated as…
Pont
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9
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1 answer
Why does Australia have extensive uranium ore deposits?
According to the World Nuclear Energy page about Australia's uranium deposits, the continent's
known uranium resources are the world's largest – 31% of the world total.
Of which
In 2013 Australia produced 7488 tonnes of U3O8. It is the
world's…
user889
9
votes
1 answer
Did an impact crater influence the formation of uranium deposits in South Australia?
As a supplementary question Did an impact crater cause the formation of the gas fields in north eastern South Australia . South Australia is a well documented uranium province. Could an impact crater, as announced in early 2015 have created…
Fred
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9
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When calculating flood recurrence intervals, do you use annual instantaneous peak flows?
I would like to calculate the bankfull flow for a certain point on a river. The recurrence interval of bankfull flow varies for different rivers, but is typically always found to be between 1 and 2 years. Let's imagine I decide to set the…
traggatmot
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9
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1 answer
How do I prepare for the International Earth Science Olympiad?
Recently I have been selected for the National Camp of INTERNATIONAL EARTH SCIENCE OLYMPIAD of my country. How do I prepare for it? Resources, books, etc.
I know there are 4 parts- geology, hydrosphere, atmosphere and astronomy. Astronomy isn't…
1234567890
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9
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2 answers
How does the Sun heat the Earth?
The core of the sun has a temperature of 15,000,000 °C.
The surface of the sun has temperature around 5,000 °C.
The sun is around 93 million miles (150 million km) away from earth.
My Question: With a surface of 5,000 °C, how does the sun provide…
PCmedia
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9
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3 answers
Predicting school closures with historical weather prediction data?
I'm interested in predicting when the local schools will be closed due to snow and other winter weather. I have a list of school closure dates and a rough sense of the criteria used to determine the closing of schools including, temperature, wind,…
BKay
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9
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1 answer
How to measure the cycles of earth moving/rotation?
My knowledge of science is very basic, but after some research I have some knowledge, but I am still not clear with so many things regarding to this earth.
I have read Laser's Measure the Earth's Rotation and Wobble but would appreciate it if…
pitoukhmer
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