/[MITgcm]/manual/s_overview/text/manual.tex

Diff of /manual/s_overview/text/manual.tex

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-revision 1.24 by edhill,
Wed Apr  5 02:27:32 2006 UTC
+revision 1.29 by jmc,
Mon Aug 30 23:09:21 2010 UTC
 Line 61 
 hydrodynamical kernel is used to drive f
  models - see fig \ref{fig:onemodel}
  %% CNHbegin
- \input{part1/one_model_figure}
+ \input{s_overview/text/one_model_figure}
  %% CNHend
  \item it has a non-hydrostatic capability and so can be used to study both
  small-scale and large scale processes - see fig \ref{fig:all-scales}
  %% CNHbegin
- \input{part1/all_scales_figure}
+ \input{s_overview/text/all_scales_figure}
  %% CNHend
  \item finite volume techniques are employed yielding an intuitive
 Line 76 
 discretization and support for the treat
  orthogonal curvilinear grids and shaved cells - see fig \ref{fig:finite-volumes}
  %% CNHbegin
- \input{part1/fvol_figure}
+ \input{s_overview/text/fvol_figure}
  %% CNHend
  \item tangent linear and adjoint counterparts are automatically maintained
 Line 87 
 studies.
  computational platforms.
  \end{itemize}
  Key publications reporting on and charting the development of the model are
- \cite{hill:95,marshall:97a,marshall:97b,adcroft:97,marshall:98,adcroft:99,hill:99,maro-eta:99,adcroft:04a,adcroft:04b,marshall:04}:
+ \cite{hill:95,marshall:97a,marshall:97b,adcroft:97,mars-eta:98,adcroft:99,hill:99,maro-eta:99,adcroft:04a,adcroft:04b,marshall:04}
+ (an overview on the model formulation can also be found in \cite{adcroft:04c}):
  \begin{verbatim}
  Hill, C. and J. Marshall, (1995)
-Line 165 
 both atmospheric and oceanographic flows
+Line 167 
 both atmospheric and oceanographic flows
  Figure \ref{fig:eddy_cs} shows an instantaneous plot of the 500$mb$
  temperature field obtained using the atmospheric isomorph of MITgcm run at
-.8$^{\circ }$ resolution on the cubed sphere. We see cold air over the pole
+ $2.8^{\circ }$ resolution on the cubed sphere. We see cold air over the pole
  (blue) and warm air along an equatorial band (red). Fully developed
  baroclinic eddies spawned in the northern hemisphere storm track are
  evident. There are no mountains or land-sea contrast in this calculation,
-Line 175 
 in Held and Suarez; 1994 designed to tes
+Line 177 
 in Held and Suarez; 1994 designed to tes
  there are no mountains or land-sea contrast.
  %% CNHbegin
- \input{part1/cubic_eddies_figure}
+ \input{s_overview/text/cubic_eddies_figure}
  %% CNHend
  As described in Adcroft (2001), a `cubed sphere' is used to discretize the
-Line 191 
 cube-sphere grid and the flow calculated
+Line 193 
 cube-sphere grid and the flow calculated
  latitude-longitude grid. Both grids are supported within the model.
  %% CNHbegin
- \input{part1/hs_zave_u_figure}
+ \input{s_overview/text/hs_zave_u_figure}
  %% CNHend
  \subsection{Ocean gyres}
-Line 210 
 diffusive patterns of ocean currents. Bu
+Line 212 
 diffusive patterns of ocean currents. Bu
  increased until the baroclinic instability process is resolved, numerical
  solutions of a different and much more realistic kind, can be obtained.
- Figure \ref{fig:ocean-gyres} shows the surface temperature and velocity
+ Figure \ref{fig:ocean-gyres} shows the surface temperature and
- field obtained from MITgcm run at $\frac{1}{6}^{\circ }$ horizontal
+ velocity field obtained from MITgcm run at $\frac{1}{6}^{\circ }$
- resolution on a $lat-lon$
+ horizontal resolution on a \textit{lat-lon} grid in which the pole has
- grid in which the pole has been rotated by 90$^{\circ }$ on to the equator
+ been rotated by $90^{\circ }$ on to the equator (to avoid the
- (to avoid the converging of meridian in northern latitudes). 21 vertical
+ converging of meridian in northern latitudes). 21 vertical levels are
- levels are used in the vertical with a `lopped cell' representation of
+ used in the vertical with a `lopped cell' representation of
- topography. The development and propagation of anomalously warm and cold
+ topography. The development and propagation of anomalously warm and
- eddies can be clearly seen in the Gulf Stream region. The transport of
+ cold eddies can be clearly seen in the Gulf Stream region. The
- warm water northward by the mean flow of the Gulf Stream is also clearly
+ transport of warm water northward by the mean flow of the Gulf Stream
- visible.
+ is also clearly visible.
  %% CNHbegin
- \input{part1/atl6_figure}
+ \input{s_overview/text/atl6_figure}
  %% CNHend
-Line 231 
 visible.
+Line 233 
 visible.
  <!-- CMIREDIR:global_ocean_circulation: -->
  \end{rawhtml}
- Figure \ref{fig:large-scale-circ} (top) shows the pattern of ocean currents at
+ Figure \ref{fig:large-scale-circ} (top) shows the pattern of ocean
- the surface of a 4$^{\circ }$
+ currents at the surface of a $4^{\circ }$ global ocean model run with
- global ocean model run with 15 vertical levels. Lopped cells are used to
+vertical levels. Lopped cells are used to represent topography on a
- represent topography on a regular $lat-lon$ grid extending from 70$^{\circ
+ regular \textit{lat-lon} grid extending from $70^{\circ }N$ to
- }N $ to 70$^{\circ }S$. The model is driven using monthly-mean winds with
+ $70^{\circ }S$. The model is driven using monthly-mean winds with
- mixed boundary conditions on temperature and salinity at the surface. The
+ mixed boundary conditions on temperature and salinity at the surface.
- transfer properties of ocean eddies, convection and mixing is parameterized
+ The transfer properties of ocean eddies, convection and mixing is
- in this model.
+ parameterized in this model.
  Figure \ref{fig:large-scale-circ} (bottom) shows the meridional overturning
  circulation of the global ocean in Sverdrups.
  %%CNHbegin
- \input{part1/global_circ_figure}
+ \input{s_overview/text/global_circ_figure}
  %%CNHend
  \subsection{Convection and mixing over topography}
-Line 267 
 strong, and replaced by lateral entrainm
+Line 269 
 strong, and replaced by lateral entrainm
  instability of the along-slope current.
  %%CNHbegin
- \input{part1/convect_and_topo}
+ \input{s_overview/text/convect_and_topo}
  %%CNHend
  \subsection{Boundary forced internal waves}
-Line 289 
 using MITgcm's finite volume spatial dis
+Line 291 
 using MITgcm's finite volume spatial dis
  nonhydrostatic dynamics.
  %%CNHbegin
- \input{part1/boundary_forced_waves}
+ \input{s_overview/text/boundary_forced_waves}
  %%CNHend
  \subsection{Parameter sensitivity using the adjoint of MITgcm}
-Line 301 
 Forward and tangent linear counterparts
+Line 303 
 Forward and tangent linear counterparts
  `automatic adjoint compiler'. These can be used in parameter sensitivity and
  data assimilation studies.
- As one example of application of the MITgcm adjoint, Figure \ref{fig:hf-sensitivity}
+ As one example of application of the MITgcm adjoint, Figure
- maps the gradient $\frac{\partial J}{\partial \mathcal{H}}$where $J$ is the magnitude
+ \ref{fig:hf-sensitivity} maps the gradient $\frac{\partial J}{\partial
- of the overturning stream-function shown in figure \ref{fig:large-scale-circ}
+   \mathcal{H}}$where $J$ is the magnitude of the overturning
- at 60$^{\circ }$N and $
+ stream-function shown in figure \ref{fig:large-scale-circ} at
- \mathcal{H}(\lambda,\varphi)$ is the mean, local air-sea heat flux over
+ $60^{\circ }N$ and $ \mathcal{H}(\lambda,\varphi)$ is the mean, local
- a 100 year period. We see that $J$ is
+ air-sea heat flux over a 100 year period. We see that $J$ is sensitive
- sensitive to heat fluxes over the Labrador Sea, one of the important sources
+ to heat fluxes over the Labrador Sea, one of the important sources of
- of deep water for the thermohaline circulations. This calculation also
+ deep water for the thermohaline circulations. This calculation also
  yields sensitivities to all other model parameters.
  %%CNHbegin
- \input{part1/adj_hf_ocean_figure}
+ \input{s_overview/text/adj_hf_ocean_figure}
  %%CNHend
  \subsection{Global state estimation of the ocean}
-Line 333 
 consistency with altimetric and in-situ
+Line 335 
 consistency with altimetric and in-situ
 -1997.
  %% CNHbegin
- \input{part1/assim_figure}
+ \input{s_overview/text/assim_figure}
  %% CNHend
  \subsection{Ocean biogeochemical cycles}
-Line 341 
 consistency with altimetric and in-situ
+Line 343 
 consistency with altimetric and in-situ
  <!-- CMIREDIR:ocean_biogeo_cycles: -->
  \end{rawhtml}
- MITgcm is being used to study global biogeochemical cycles in the ocean. For
+ MITgcm is being used to study global biogeochemical cycles in the
- example one can study the effects of interannual changes in meteorological
+ ocean. For example one can study the effects of interannual changes in
- forcing and upper ocean circulation on the fluxes of carbon dioxide and
+ meteorological forcing and upper ocean circulation on the fluxes of
- oxygen between the ocean and atmosphere. Figure \ref{fig:biogeo} shows
+ carbon dioxide and oxygen between the ocean and atmosphere. Figure
- the annual air-sea flux of oxygen and its relation to density outcrops in
+ \ref{fig:biogeo} shows the annual air-sea flux of oxygen and its
- the southern oceans from a single year of a global, interannually varying
+ relation to density outcrops in the southern oceans from a single year
- simulation. The simulation is run at $1^{\circ}\times1^{\circ}$ resolution
+ of a global, interannually varying simulation. The simulation is run
- telescoping to $\frac{1}{3}^{\circ}\times\frac{1}{3}^{\circ}$ in the tropics (not shown).
+ at $1^{\circ}\times1^{\circ}$ resolution telescoping to
+ $\frac{1}{3}^{\circ}\times\frac{1}{3}^{\circ}$ in the tropics (not
+ shown).
  %%CNHbegin
- \input{part1/biogeo_figure}
+ \input{s_overview/text/biogeo_figure}
  %%CNHend
  \subsection{Simulations of laboratory experiments}
-Line 369 
 arrested by its instability in a process
+Line 373 
 arrested by its instability in a process
  stratification of the ACC.
  %%CNHbegin
- \input{part1/lab_figure}
+ \input{s_overview/text/lab_figure}
  %%CNHend
  % $Header$
-Line 392 
 and height, $z$, if we are modeling the
+Line 396 
 and height, $z$, if we are modeling the
  \ref{fig:isomorphic-equations}).
  %%CNHbegin
- \input{part1/zandpcoord_figure.tex}
+ \input{s_overview/text/zandpcoord_figure.tex}
  %%CNHend
  The state of the fluid at any time is characterized by the distribution of
-Line 406 
 kinematic boundary conditions can be app
+Line 410 
 kinematic boundary conditions can be app
  see figure \ref{fig:zandp-vert-coord}.
  %%CNHbegin
- \input{part1/vertcoord_figure.tex}
+ \input{s_overview/text/vertcoord_figure.tex}
  %%CNHend
  \begin{equation}
-Line 657 
 which, for convenience, are written out
+Line 661 
 which, for convenience, are written out
  \subsection{Hydrostatic, Quasi-hydrostatic, Quasi-nonhydrostatic and
  Non-hydrostatic forms}
+ \label{sec:all_hydrostatic_forms}
  \begin{rawhtml}
  <!-- CMIREDIR:non_hydrostatic: -->
  \end{rawhtml}
-Line 765 
 Grad and div operators in spherical coor
+Line 770 
 Grad and div operators in spherical coor
  OPERATORS.
  %%CNHbegin
- \input{part1/sphere_coord_figure.tex}
+ \input{s_overview/text/sphere_coord_figure.tex}
  %%CNHend
  \subsubsection{Shallow atmosphere approximation}
-Line 886 
 stepping forward the horizontal momentum
+Line 891 
 stepping forward the horizontal momentum
  stepping forward the vertical momentum equation.
  %%CNHbegin
- \input{part1/solution_strategy_figure.tex}
+ \input{s_overview/text/solution_strategy_figure.tex}
  %%CNHend
  There is no penalty in implementing \textbf{QH} over \textbf{HPE} except, of
-Line 1075 
 friction. These coefficients are the sam
+Line 1080 
 friction. These coefficients are the sam
  The mixing terms for the temperature and salinity equations have a similar
  form to that of momentum except that the diffusion tensor can be
- non-diagonal and have varying coefficients. $\qquad $
+ non-diagonal and have varying coefficients.
  \begin{equation}
  D_{T,S}=\nabla .[\underline{\underline{K}}\nabla (T,S)]+K_{4}\nabla
  _{h}^{4}(T,S)  \label{eq:diffusion}
-Line 1487 
 u=r\cos \varphi \frac{D\lambda }{Dt}
+Line 1492 
 u=r\cos \varphi \frac{D\lambda }{Dt}
  \end{equation*}
  \begin{equation*}
- v=r\frac{D\varphi }{Dt}\qquad
+ v=r\frac{D\varphi }{Dt}
  \end{equation*}
- $\qquad \qquad \qquad \qquad $
  \begin{equation*}
  \dot{r}=\frac{Dr}{Dt}
-Line 1499 
 Here $\varphi $ is the latitude, $\lambd
+Line 1503 
 Here $\varphi $ is the latitude, $\lambd
  distance of the particle from the center of the earth, $\Omega $ is the
  angular speed of rotation of the Earth and $D/Dt$ is the total derivative.
- The `grad' ($\nabla $) and `div' ($\nabla $.) operators are defined by, in
+ The `grad' ($\nabla $) and `div' ($\nabla\cdot$) operators are defined by, in
  spherical coordinates:
  \begin{equation*}
-Line 1509 
 spherical coordinates:
+Line 1513 
 spherical coordinates:
  \end{equation*}
  \begin{equation*}
- \nabla .v\equiv \frac{1}{r\cos \varphi }\left\{ \frac{\partial u}{\partial
+ \nabla\cdot v\equiv \frac{1}{r\cos \varphi }\left\{ \frac{\partial u}{\partial
  \lambda }+\frac{\partial }{\partial \varphi }\left( v\cos \varphi \right) \right\}
  +\frac{1}{r^{2}}\frac{\partial \left( r^{2}\dot{r}\right) }{\partial r}
  \end{equation*}

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