37 |
% $Header$ |
% $Header$ |
38 |
% $Name$ |
% $Name$ |
39 |
|
|
40 |
\section{Introduction} |
This document provides the reader with the information necessary to |
|
|
|
|
This documentation provides the reader with the information necessary to |
|
41 |
carry out numerical experiments using MITgcm. It gives a comprehensive |
carry out numerical experiments using MITgcm. It gives a comprehensive |
42 |
description of the continuous equations on which the model is based, the |
description of the continuous equations on which the model is based, the |
43 |
numerical algorithms the model employs and a description of the associated |
numerical algorithms the model employs and a description of the associated |
47 |
both process and general circulation studies of the atmosphere and ocean are |
both process and general circulation studies of the atmosphere and ocean are |
48 |
also presented. |
also presented. |
49 |
|
|
50 |
|
\section{Introduction} |
51 |
|
|
52 |
MITgcm has a number of novel aspects: |
MITgcm has a number of novel aspects: |
53 |
|
|
54 |
\begin{itemize} |
\begin{itemize} |
84 |
\end{itemize} |
\end{itemize} |
85 |
|
|
86 |
Key publications reporting on and charting the development of the model are |
Key publications reporting on and charting the development of the model are |
87 |
listed in an Appendix. |
\cite{hill:95,marshall:97a,marshall:97b,adcroft:97,marshall:98,adcroft:99,hill:99,maro-eta:99}: |
88 |
|
|
89 |
|
\begin{verbatim} |
90 |
|
Hill, C. and J. Marshall, (1995) |
91 |
|
Application of a Parallel Navier-Stokes Model to Ocean Circulation in |
92 |
|
Parallel Computational Fluid Dynamics |
93 |
|
In Proceedings of Parallel Computational Fluid Dynamics: Implementations |
94 |
|
and Results Using Parallel Computers, 545-552. |
95 |
|
Elsevier Science B.V.: New York |
96 |
|
|
97 |
|
Marshall, J., C. Hill, L. Perelman, and A. Adcroft, (1997) |
98 |
|
Hydrostatic, quasi-hydrostatic, and nonhydrostatic ocean modeling |
99 |
|
J. Geophysical Res., 102(C3), 5733-5752. |
100 |
|
|
101 |
|
Marshall, J., A. Adcroft, C. Hill, L. Perelman, and C. Heisey, (1997) |
102 |
|
A finite-volume, incompressible Navier Stokes model for studies of the ocean |
103 |
|
on parallel computers, |
104 |
|
J. Geophysical Res., 102(C3), 5753-5766. |
105 |
|
|
106 |
|
Adcroft, A.J., Hill, C.N. and J. Marshall, (1997) |
107 |
|
Representation of topography by shaved cells in a height coordinate ocean |
108 |
|
model |
109 |
|
Mon Wea Rev, vol 125, 2293-2315 |
110 |
|
|
111 |
|
Marshall, J., Jones, H. and C. Hill, (1998) |
112 |
|
Efficient ocean modeling using non-hydrostatic algorithms |
113 |
|
Journal of Marine Systems, 18, 115-134 |
114 |
|
|
115 |
|
Adcroft, A., Hill C. and J. Marshall: (1999) |
116 |
|
A new treatment of the Coriolis terms in C-grid models at both high and low |
117 |
|
resolutions, |
118 |
|
Mon. Wea. Rev. Vol 127, pages 1928-1936 |
119 |
|
|
120 |
|
Hill, C, Adcroft,A., Jamous,D., and J. Marshall, (1999) |
121 |
|
A Strategy for Terascale Climate Modeling. |
122 |
|
In Proceedings of the Eighth ECMWF Workshop on the Use of Parallel Processors |
123 |
|
in Meteorology, pages 406-425 |
124 |
|
World Scientific Publishing Co: UK |
125 |
|
|
126 |
|
Marotzke, J, Giering,R., Zhang, K.Q., Stammer,D., Hill,C., and T.Lee, (1999) |
127 |
|
Construction of the adjoint MIT ocean general circulation model and |
128 |
|
application to Atlantic heat transport variability |
129 |
|
J. Geophysical Res., 104(C12), 29,529-29,547. |
130 |
|
|
131 |
|
\end{verbatim} |
132 |
|
|
133 |
We begin by briefly showing some of the results of the model in action to |
We begin by briefly showing some of the results of the model in action to |
134 |
give a feel for the wide range of problems that can be addressed using it. |
give a feel for the wide range of problems that can be addressed using it. |
207 |
visible. |
visible. |
208 |
|
|
209 |
%% CNHbegin |
%% CNHbegin |
210 |
\input{part1/ocean_gyres_figure} |
\input{part1/atl6_figure} |
211 |
%% CNHend |
%% CNHend |
212 |
|
|
213 |
|
|
294 |
the departure of the model from observations (both remotely sensed and |
the departure of the model from observations (both remotely sensed and |
295 |
in-situ) over an interval of time, is minimized by adjusting `control |
in-situ) over an interval of time, is minimized by adjusting `control |
296 |
parameters' such as air-sea fluxes, the wind field, the initial conditions |
parameters' such as air-sea fluxes, the wind field, the initial conditions |
297 |
etc. Figure \ref{fig:assimilated-globes} shows an estimate of the time-mean |
etc. Figure \ref{fig:assimilated-globes} shows the large scale planetary |
298 |
surface elevation of the ocean obtained by bringing the model in to |
circulation and a Hopf-Muller plot of Equatorial sea-surface height. |
299 |
|
Both are obtained from assimilation bringing the model in to |
300 |
consistency with altimetric and in-situ observations over the period |
consistency with altimetric and in-situ observations over the period |
301 |
1992-1997. {\bf CHANGE THIS TEXT - FIG FROM PATRICK/CARL/DETLEF} |
1992-1997. |
302 |
|
|
303 |
%% CNHbegin |
%% CNHbegin |
304 |
\input{part1/globes_figure} |
\input{part1/assim_figure} |
305 |
%% CNHend |
%% CNHend |
306 |
|
|
307 |
\subsection{Ocean biogeochemical cycles} |
\subsection{Ocean biogeochemical cycles} |