Most Popular
1500 questions
11
votes
1 answer
What is the difference between an inertial instability and a symmetric instability?
Inertial and symmetric instabilities are fluid instabilities present in atmosphere and ocean.
What are the difference between an inertial instability and a symmetric instability?
ucsky
- 211
- 1
- 5
11
votes
1 answer
Equation for predicting contrail formation
I am working on a data visualisation of airline flight paths and their probability of forming contrails.
Given weather data for a specific area (location, time, temperature, pressure and humidity) and aircraft data (location, time, altitude, speed…
Red Panda
- 113
- 4
11
votes
2 answers
Are there locations on Earth that only have one season?
I am looking for locations/places/countries that only have one season.
By seasons, I mean a large varying change in temperature and precipitation caused by the climate in the region. I am not looking for abnormal weather.
Cing Sian Dal
- 121
- 1
- 1
- 4
11
votes
1 answer
What caused a fall in atmospheric oxygen about 1.9 billion years ago?
Using chromium isotopes geochemistry, Frei et al. 2009, describe in the article Fluctuations in Precambrian atmospheric oxygenation recorded by chromium isotopes that after the Great Oxidation Event (2.2-2.45 billion years ago), there was a…
user889
11
votes
1 answer
Why would there be no hydrocarbons in the Sveconorwegian belt?
I've had an inconclusive chat about the Sveconorwegian belt of the Fennoscandian shield, the western parts in particular, and reasons as to why there would not be any deposits of hydrocarbons there. Perhaps someone here can provide a definite…
Roy
- 213
- 1
- 6
11
votes
1 answer
Resources for learning the technical parts of atmospheric modeling
I'm a computer/atmospheric science undergrad and I'm trying to get into atmospheric modeling. Any recommendations for resources to get going or to learn about approaches? I can handle fairly technical stuff so don't be shy.
Will Luce
- 219
- 1
- 4
11
votes
1 answer
What geological processes affect the speed of Kilauea lava flows?
The recent lava flows from the current eruption from the Kilauea volcano in Hawaii have generated a considerable amount of interest and concern for property.
In the article slow-motion disaster as lava nears main Hawaiian road, USA Today suggests…
user889
11
votes
1 answer
Turbidity/clarity vs optical depth
Are measurements for clarity (secchi disk) or turbidity (nephelometer) made for water quality related in any way to measurements made for optical or aerosol optical depth in meteorology?
Steve
- 151
- 4
11
votes
1 answer
How do you use the streckeisen (QAPF) classification ternary diagram to identify igneous rocks based on chemical rock composition?
I have been given the following diagrams:
and
and a database that is structured like this:
ROCK NAME |SIO2 |TIO2| AL2O3| CR2O3| FEOT| CAO| MGO| MNO| K2O| NA2O| P2O5|
WEHRLITE |45.42| 0.17| 2.57| 0.32| 11.3384| …
Avi Mosseri
- 303
- 2
- 5
11
votes
2 answers
Standardized scale for coastline length or mapping in general?
Measuring the length of a coastline depends on the scale of the measuring tool. The smaller the scale of your tool, the longer will your measured coastline be. The reason for this is the fractal property of coastlines. This is well known since a…
mace
- 472
- 4
- 11
11
votes
3 answers
What is the difference between a geologist and a geophysicist?
What are the main differences between geologists and geophysicists?
Kenshin
- 7,576
- 12
- 42
- 81
11
votes
3 answers
What would be the precursors to a repeated Lake Toba super eruption?
Lake Toba, Indonesia is a supervolcano which was the site of
a massive supervolcanic eruption estimated at VEI 8 that occurred 69,000 to 77,000 years ago, representing a climate-changing event. It is the largest known explosive eruption on Earth…
user889
11
votes
1 answer
Why are these U-shaped bodies of water frequent near Kura river?
I was looking at the Kura river in Google Maps satellite mode and I saw these U-shaped bodies of water:
There are other U-shaped bodies of water too:
40.615881° N, 47.205031° E
40.101139° N, 47.963825° E
And so many others.
Why are these U-shaped…
Snack Exchange
- 363
- 12
11
votes
2 answers
From how deep in the mantle has any rock ever been brought to the surface? Have scientists found anything they believe originated in the outer core?
I wonder if this is even possible to know....
Do geophysicists and geologists have even a 'theoretical' idea about how deep Earth's churning of its layers goes?
Kurt Hikes
- 795
- 4
- 7
11
votes
2 answers
What happens to sea level when a ship sinks?
Let's assume that a ship is traveling on the ocean and it sinks, what is the effect on sea level? Even if the effect is small, would it go up, down or remain the same?
arkaia
- 15,447
- 4
- 52
- 122