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15 votes
1 answer
1k views

What is a typical value of the Péclet number for internal waves?

Defining the Péclet number as: $Pe = \frac{U \lambda}{\kappa}$ Where $U$ is the characteristic fluid velocity, $\lambda$ is the wavelength of the internal wave and $\kappa$ is the turbulent eddy ...
Isopycnal Oscillation's user avatar
12 votes
1 answer
327 views

Sea breeze - magnitude of horizontal pressure gradient?

What is the range of horizontal pressure gradients typically caused by the differential heating of land and water under sea breeze conditions?
BHF's user avatar
  • 1,681
6 votes
5 answers
4k views

Why wouldn't the earth be "always daytime" if the "daily cycle of sunlight" was drawn full-scale?

The question is clear enough in my opinion but, I've found out that if you redraw this picture here: You'll notice that the Sun is as big as the Earth. But if you scale up the Sun to it's real size ...
diamondburned's user avatar
3 votes
1 answer
4k views

ERA Interim, how to handle total precipitation

I am trying to compute accumulated annual precipitation for year 2000-2001 based on the ERA Interim, but I am stuck with some unresolved questions: If I download the synoptic monthly means of "total ...
A.Nielsen's user avatar