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4
5=============
6NEMO in brief
7=============
8
9-----
10About
11-----
12
13`NEMO <www.nemo-ocean.eu>`_ (Nucleus for European Modelling of the Ocean) is
14a state-of-the-art modelling framework of ocean related engines for oceanographic research,
15operational oceanography, seasonal forecast and [paleo]climate studies.
16
17The NEMO ocean model has 3 major components:
18
19- :rstblue:`OPA` is fundamental to all users by modelling the ocean [thermo]dynamics and
20  solving the primitive equations;
21- :rstgrey:`LIM` for sea-ice simulates ice [thermo]dynamics, brine inclusions and
22  subgrid-scale thickness variations;
23- :rstgreen:`TOP-PISCES` models biogeochemistry with TOP for the on/offline oceanic tracers transport and
24  PISCES for the biogeochemical processes.
25
26| These physical engines are described in their respective reference publications listed as BibTeX entries
27  in ``./REFERENCES.bib``.
28| They are complemented by a 2-way nesting software (`AGRIF <http://agrif.imag.fr>`_) and
29  a versatile data assimilation interface with 3 different modules
30  (linear-tangent TAM, observational operators OBS, and increment ASM).
31
32------------
33Applications
34------------
35
36| Shared under `CeCILL free software license <http://www.cecill.info>`_ (``./LICENSE.txt``),
37  the framework contains several builtins reference configurations and idealized test cases to serve as
38  examples and to study particular processes.
39| A set of tools is also provided to setup your own configuration and [pre|post]process your data.
40|
41| For writing diagnostics in a efficient way,
42  NEMO requires `XIOS <http://forge.ipsl.jussieu.fr/ioserver>`_ as dependency
43  which controlled the outputs using XML input file.
44| To enable Earth system modelling, NEMO can be interfaced via `OASIS <http://verc.enes.org/oasis>`_ to
45  interact with external components such as atmosphere models or
46  alternative models of sea-ice or biogeochemistry.
47
48---------------------
49Community development
50---------------------
51
52| The NEMO Consortium gathering 6 European institutes organises the sustainable development (
53  ``./GOVERNANCE.rst``) in order to keep a reliable evolving system since 2008 (``./RELEASES.rst``).
54| It defined the multiyear development strategy (``./ROADMAP.rst``) which is implemented by
55  the NEMO System Team (``./MAINTAINERS.rst``).
56
57--------
58Acronyms
59--------
60
61AGRIF
62 Adaptive Grid Refinement In Fortran
63
64LIM
65 Louvain-la-Neuve Ice Model
66
67OPA
68 "Océan PArallélisé" (french)
69
70PISCES
71 Pelagic Interactions Scheme for Carbon and Ecosystem Studies
72
73TAM
74 Tangent Adjoint Model
75
76TOP
77 Tracers in Ocean Paradigm
78
79XIOS
80 XML Input Output Server
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