Questions tagged [ocean-models]

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A problem of the 2-Layer hydrostatic model

The 2-layer hydrostatic model is like this And the pressure of the two layers and the top are and it is easy to find the horizontal gradient of $p_1$ and $p_2$ \begin{equation} \begin{aligned} \nabla ...
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  • 103
2 votes
2 answers
160 views

How large were Mars' ocean tides and to what extent could they keep the oceans mixing and tend to keep salinity uniform? Has this been modeled?

This answer to Salinity of Martian water 3.5 Billion years ago in Astronomy says that most estimates of Mars' ocean's salinity are pretty high; The article "Water Activity and the Challenge for ...
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2 votes
2 answers
85 views

Is Challenger Deep really the deepest place in the ocean?

We have all been told at some point that the Mariana Trench is the deepest place in the ocean, but is that really true? More than 80% of the world's oceans are unexplored, so couldn't there be a much ...
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1 vote
0 answers
35 views

ESMF installation error "error: no match for ‘operator==’ "

I need to install ESMF-5.2.0rp3 version. I have downloaded it from https://github.com/esmf-org/esmf/releases/tag/ESMF_5_2_0rp3. Also I installed the following prerequisites: Fortran95, GCC & C++ 7....
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3 votes
1 answer
197 views

SWAN wave model: HSIG is strangely low

I have a question about SWAN wave model, I tried to ask it at the SWAN mailing list, but with no luck, so I'm asking here. First of all I have to admit I'm not a professional SWAN user. All the ...
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  • 83
4 votes
2 answers
772 views

How to install ESMF and ESMFPy in Ubuntu using gfortran, gcc, python?

I am trying to regrid some of my latitude-longitude grid files to tripolar ocean grid and found that ESMF can be useful. However, I am finding it hard to install the same.
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8 votes
1 answer
388 views

How do I start with Modular Ocean Model version 6 i.e. MOM6 on my ubuntu linux machine?

I am learning ocean modelling and have started with MOM6. I needed guidance on where to start from and how to run the model on my local machine (Ubuntu) to perform various tasks such as regridding or ...
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1 vote
1 answer
39 views

Regional and Relative Sea level

I am a little confused by the terms "regional" and "relative" in the sea level change context. Do the two words have the same meaning? Does the "regional MSL trend" in https://www.aviso.altimetry.fr/...
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1 vote
0 answers
50 views

Finding vessel and wave's angle of attack [closed]

I am finding angle between ship's heading and component in wave (wave's angle of attack), not sure if ES is a right place to ask this type of question. Should it be the difference between mean wave ...
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2 votes
1 answer
83 views

Global tide calculation

I am familiar with the concept of harmonic tide coefficients and was wondering about the simplest software solution to calculate tides anywhere, worldwide. Are there any available, open source ...
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4 votes
0 answers
56 views

What does this reference velocity refer to? (Atmosphere-Ocean Momentum Exchange)

The above image is taken from "Atmosphere–Ocean Momentum Exchange in General Circulation Models", John A.T.Bye 1999. It represents the inertial coupling concept between the atmosphere and ocean. It ...
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6 votes
0 answers
576 views

Calculating fetch

I am currently using a Pierson Moskowitz spectrum to model the wave energy in the Mediterranean Sea. However I don't think this this is appropriate due to the limited fetch in the coastal area that I'...
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7 votes
1 answer
68 views

What is the mean amount (in grams) of dissolved carbon in a ton of sea water?

What is the mean amount (in grams) of dissolved carbon in a ton of sea water ? The value I want is the concentration value in say the first two metres of surface water (A distribution of this ...
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1 vote
0 answers
48 views

Should I get my master's in Environmental Science or Environmental Engineering given a Computer Science background? [closed]

I'm currently a Computer Science undergraduate at Georgia Tech. I have ~3.5 GPA, and I want to become a data scientist for the NOAA or a similar organization concerning the acidification of the oceans....
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4 votes
2 answers
652 views

Half of Earth with most landmass

About 71% of the Earth's surface is covered with water and the remaining 29% is landmass*. If you could theoretically cut the planet in half, with the objective of producing a half with the most ...
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  • 143
2 votes
2 answers
139 views

Modelling sea levels with gravitational parameters

Are there any publicly available programs or source code for modelling global (or local) changes in sea level which include parameters for gravitational tidal effects? I have a physics background, ...
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  • 123
8 votes
3 answers
882 views

What exactly is a model grid?

I have just begun reading some notes about modelling and can't seem to understand what a 1°x1° grid or a 2.5° grid or 1/4° grid is. I know it is something related to the resolution of the area over ...
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  • 435
5 votes
0 answers
472 views

Does the Labrador current affect North Atlantic climate?

This summer has seen very low sea surface temperature anomalies in the North Atlantic. Using animations of these over the last year I feel the runoff of freshwater from Hudson Bay, into the Labrador ...
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  • 45
4 votes
1 answer
347 views

Best book/s of oceanic data treatment and analysis?

I would like to purchase a/some books which are really good and practical references to get into the oceanic data (wave heights,currents and sea level) treatment and statistical analysis, coming from ...
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7 votes
1 answer
431 views

How will global warming affect climate systems like the ENSO or the MJO?

How will global warming influence climate systems such as the Madden–Julian Oscillation (MJO) or the El Niño Southern Oscillation (ENSO)?
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  • 71
7 votes
1 answer
385 views

Ship turning causing calm water

Can anyone tell me the official or technical term for the effect of when extremely calm water appears when a ship turns sharply in a full circle? I realise it could be related to wakes, but is not a ...
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  • 71
13 votes
0 answers
164 views

Oceanic-atmospheric coupling between the Indian Ocean and the Pacific Ocean basins

The two great basins - Indian Ocean and Pacific Ocean have their respective oscillations: Indian Ocean Dipole and El Nino Southern oscillation that affect the climate of the regions as well as the ...
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  • 6,208
11 votes
2 answers
404 views

Are there any general-purpose climate-model coupling projects?

In climate modelling, there are three major model types that form the basis of a fully coupled Atmosphere-Ocean General Circulation Model (AOGCM): Atmosphere circulation models Ocean circulation ...
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  • 5,317
8 votes
2 answers
303 views

How does heat get transported between the surface layer, twilight zone, and the deep ocean?

Just as importantly, how do we measure the heat that's transported from the surface layer into the twilight zone and deep oceans?
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