physics of the Earth and its environment in space. Its subjects include the shape of the Earth, its gravitational and magnetic fields, the dynamics of the Earth as a whole and of its component parts, the Earth's internal structure, the generation of magmas, the hydrological cycle including snow and ...
5
votes
0answers
140 views
Readings of the detectors at Japan and Izu-Bonin-Mariana Trenches
Given the relevance of this subduction system, I would expect that a wide range of detectors (temperature, vibration, seismometers, whatever) are deployed in the depth of these trenches. What would be ...
3
votes
0answers
35 views
Special conditions at layer F2 ionosphere
I saw this graph about the electrons density in different altitudes and difference between night and day, the difference between the 2 electron densities (day and night) decreases till 300 Km (F2 ...
3
votes
0answers
383 views
live Kp index data
I need to create an online service displaying latest Kp index.
Where I can take the data?
The data should be in machine-readable format, i.e. text files, XML, or CGI gateways, for instance. No ...
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 ?
2
votes
0answers
91 views
Upper limit on the earthquake magnitude
From the Gutemberg-Ricther law we know that the frequency of an earthquake is a power law so virtually any magnitude is possible on earthquake event. But the earth has a finite size so there must be ...
2
votes
0answers
172 views
How to predict sea waves length/height?
I would like to know which are the best methods used to predict sea waves characteristics (particularly predict length/height given water depth and wind speed) and how are they used. My major is ...
1
vote
0answers
48 views
Can I estimate the long-term surface heat transfer coefficient based on a temperature difference between the air surface and ground surface?
I want to estimate the long-term or annual heat transfer coefficient for the earth's surface in a particular area where the mean annual air surface temperature is about 13$^\circ$C, and the mean ...
0
votes
0answers
23 views
Energy conversions, on terrestrial scale, before and during a massive Earthquake
Ethan Siegel is an astrophysicist who is now making a living as science blogger.
There is a post titled: Where does an Earthquake's energy come from?
Ethan Siegel points out that massive earthquake ...
0
votes
0answers
37 views
IP (Induced polarization) Dipole-Dipole configuration as derivative
One of my study books says '...the dipole-dipole measurement, which is a lateral second derivative measurement is the most sensitive to relatively small, lateral variations....'
I have a hard time to ...
0
votes
0answers
31 views
Does airport activity increase METAR temperatures?
Many weather stations (including almost all METAR stations) are
located near busy airports that have gotten busier over the years.
Could the airport/airplane activity (friction, propellant release, ...
0
votes
0answers
48 views
Martian ground exchange heat pump
According to the wikipedia article Geothermal heat pump, "Depending on latitude, the temperature beneath the upper 6 metres of Earth's surface maintains a nearly constant temperature between 10 and 16 ...
0
votes
0answers
145 views
Average speed of seismic waves towards the center of Earth
I'm looking at an approximation of the average speed of seismic wave towards the center of Earth.
The horizontal path of the waves that affects us directly is well documented, but there is not much ...
