Tagged Questions
2
votes
2answers
141 views
Can wind blowing on smooth water create speckle interference patterns?
On a calm smooth lake, or even a large rain puddle, I've seen transient rough patches on the surface suddenly appear and disappear, and sometimes move across the water some distance before ...
2
votes
0answers
53 views
Ratio of horizontal to vertical kinetic energy in ocean
What is the ratio between horizontal and vertical kinetic energy in the ocean and what is the scale dependencies of this ratio ?
1
vote
1answer
126 views
What equations/constants were used to calculate the Kármán Line for Earth?
I am interested in how the original value of ~100 km was calculated for the Kármán line of earth. What equations and constants would need to be used to reproduce this value?
Note: By constants, ...
4
votes
2answers
260 views
How does Earth's interior dynamo work?
I'm interested in getting a basic physical understanding of how Earth's magnetic field is generated. I understand that it's a "dynamo" type of effect, driven by convection currents in the molten outer ...
3
votes
2answers
323 views
What is the dominant cause for ocean waves at a beach?
What is the dominant cause for ocean waves at a beach? Are they the result of wind/pressure difference? If so, the waves do seem to exist in similar intensity even during relative quiet times of the ...
4
votes
5answers
353 views
Tsunami dampening mechanisms
Encouraged by the zeitgeist let me ask the following:
Is it feasible (now or in the future) to build systems a certain distance of a vulnerable coastline which can serve to dampen a tsunami before it ...