GlossaryΒΆ

In this section you will find all the terms I stumbled upon while reading papers and didn’t know what they mean. Each term has two sections: First guess, where I try to explain it without looking for the correct definition and using just the context, and Definition, explained by some especialist or found at technical literature.

Climatological wind speed
First guess:
Not a clue.
Definition:
Explained by [Roberto de Almeida]_ :
Ensemble
First guess:
Not a clue. “10-member ensemble average”?
Definition:
TODO
General Circulation Model (GCM)
First guess:
It’s a type of model. Paper cites atmospheric and ocean versions.
Definition:
TODO
Sigma level
First guess:
Not a clue. Can be unevenly spaced, and in the vertical.
Definition:
TODO
Spectral global model
First guess:
Not a clue.
Definition:
TODO
Spinup
First guess:
Process where you give some historical input to the model, to train it before running the simulation.
Definition:
Explained by [Roberto de Almeida]_ : the model starts at rest state, and it runs for some time (~500 years) with an climatological wind speed (or another variable) to start fluid motion. He gave an example: if you want to run a prediction starting at 1990, you let the model run for some time and at some point start putting the real values for wind speed (ten years before the start, for example) to ‘train’ the model and make it converge, so the predictions are accurate.
Surface scheme
First guess:
Seems to be the part of the model that represents ground level processes that influences the simulation. Example: Simplified Simple Biosphere Model
Definition:
TODO
Triangular truncation
First guess:
Not a clue.
Definition:
TODO
Wavenumber
First guess:
Not a clue. References sigma level.
Definition:
TODO

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