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Next: 3.10.2 Discrete Numerical Configuration
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Contents
3.10.1 Overview
The model is forced with climatological wind stress data and surface
flux data from DaSilva [10]. Climatological data
from Levitus [36] is used to initialize the model hydrography.
Levitus seasonal climatology data is also used throughout the calculation
to provide additional air-sea fluxes.
These fluxes are combined with the DaSilva climatological estimates of
surface heat flux and fresh water, resulting in a mixed boundary
condition of the style described in Haney [25].
Altogether, this yields the following forcing applied
in the model surface layer.
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(3.30) |
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(3.31) |
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(3.32) |
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(3.33) |
where
,
,
,
are the forcing terms in the zonal and meridional
momentum and in the potential temperature and salinity
equations respectively.
The term
represents the top ocean layer thickness in
meters.
It is used in conjunction with a reference density,
(here set to
), a
reference salinity, (here set to 35 ppt),
and a specific heat capacity, (here set to
), to convert
input dataset values into time tendencies of
potential temperature (with units of
),
salinity (with units
) and
velocity (with units
).
The externally supplied forcing fields used in this
experiment are , ,
, ,
and
. The wind stress fields (, )
have units of
. The temperature forcing fields
(
and ) have units of
and
respectively. The salinity forcing fields ( and
) have units of and
respectively. The source files and procedures for ingesting this data into the
simulation are described in the experiment configuration discussion in section
3.10.3.
Next: 3.10.2 Discrete Numerical Configuration
Up: 3.10 Global Ocean MITgcm
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Contents
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