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agutexSI2019.cls
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\def\currversion{January 14, 2019}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% AGUTeX: LaTeX Class file for
%% Journals Published by the
%%
%% American Geophysical Union
%%
%% Prepared by Amy Hendrickson,
%% TeXnology Inc.
%% www.texnology.com
%% amyh@TeXnology.com
%%
%% Original version: June 24, 2001
%%
%% Two column macros copyright 1999, 2000, 2001
%% Amy Hendrickson, TeXnology Inc.
%%
%% Natbib Module: Copyright 1993-1999 Patrick W Daly
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%
%%% Updates by Dangerous Curve typesetting@dangerouscurve.org
%%%
%%% 2017-07-14
%%% (Changes marked DC)
%%%
%%% Replace \affil definition with that from agujournal.cls.
%%% \Add :<space> to \thesection if in the appendix.
%%% Have \@currentlabel use \thesection, so \label and \ref will pick up the above.
%%% Disable \applett, because of undefined error message.
%%% Some code indentation and cleanup in \xxsection (both ROG and non-ROG versions).
%%% Use BibLaTeX for change to APA style.
%%%
%%%
%%% 2017-12-16
%%%
%%% Remove biblatex.
%%% Use apacite instead.
%%% Commented out bibliography code (marked %xx bib)
%%%
%%% 2018-01-11
%%%
%%% Commented out \@checkend (for triple columns), because of extra \fi error.
%%%
%%% 2019-01-14
%%%
%%% removed natbib, added instructions for citeA and cite
%%%
\typeout{^^J^^J
AGUTeX Journal Style, American Geophysical Union
^^J
This version is dated \currversion^^J^^J}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% 2e switch:
\newif\ifll
\expandafter\ifx\csname LaTeXe\endcsname\relax % LaTeX2.09 is used
\else% LaTeX2e is being used, so set ll true
\global\lltrue\fi
\ifll
\else
\long\def\DeclareOption#1#2{\toks@ {#2}%
\expandafter \edef \csname ds@#1\endcsname {\the \toks@ }}
%
\gdef\usepackage#1#{%
\@latex@error
{\noexpand \usepackage before \string\documentclass}%
{\noexpand \usepackage may only appear in the document
preamble, i.e.,\MessageBreak
between \noexpand\documentclass and
\string\begin{document}.}%
\@gobble}
\def\mathrm#1{{\rm #1}}
%% Fonts to make bold in super- and sub-scripts be the right size.
\font\sevbf =cmbx7
\font\fivbf =cmbx5
\gdef\baselinestretch{1}
\gdef\@plus{plus}
\gdef\@minus{minus}
\global\@maxsep 20pt
\global\@dblmaxsep 20pt
\fi
% \c@topnumber : Number of floats allowed at the top of a column.
% \topfraction : Fraction of column that can be devoted to floats.
% \c@dbltopnumber, \dbltopfraction : Same as above, but for double-column
% floats.
% \c@bottomnumber, \bottomfraction : Same as above for bottom of page.
% \c@totalnumber : Number of floats allowed in a single column,
% including in-text floats.
% \textfraction : Minimum fraction of column that must contain text.
% \floatpagefraction : Minimum fraction of page that must be taken
% up by float page.
%% These aren't relevant, but LaTeX looks for them anyway:
\setcounter{topnumber}{10}
\def\topfraction{.99}
\setcounter{bottomnumber}{10}
\def\bottomfraction{.99}
\setcounter{totalnumber}{20}
\def\textfraction{.01}
\def\floatpagefraction{.5}
\setcounter{dbltopnumber}{2}
\def\dbltopfraction{.7}
\def\dblfloatpagefraction{.5}
%% Need for galley style
\newif\ifgalley
%% Need for font family baselineskip changes:
\newif\ifjdraft % keep draft for graphicx, or other graphic inclusion
% packages
%% to get rid of a command with an argument \let\command=\eatone
\def\eatone#1{}
\ifll
%\ProvidesClass{agutex}
% [02/09/2008]
\ProvidesClass{agutexSI2019}
[01/14/2019]
\renewcommand{\normalsize}{%
\ifjdraft
\@setfontsize\normalsize\@xiipt{28pt}
% C&G 11/5/01 \@setfontsize\normalsize\@xpt\@xviipt
\else
\@setfontsize\normalsize\@xpt\@xiipt
\fi
\abovedisplayskip 10\p@ %\@plus2\p@
\@minus5\p@
\abovedisplayshortskip \z@ \@plus3\p@
\belowdisplayshortskip 6\p@ \@plus3\p@ \@minus3\p@
\belowdisplayskip \abovedisplayskip
\let\@listi\@listI}
\newcommand{\bignormalsize}{%
\ifjdraft
\@setfontsize\bignormalsize\@xiipt{28pt}
% C&G 11/5/01 \@setfontsize\bignormalsize\@xipt\@xviipt
\else
\@setfontsize\bignormalsize\@xipt{13pt}
\fi
\abovedisplayskip 10\p@ %\@plus2\p@
\@minus5\p@
\abovedisplayshortskip \z@ \@plus3\p@
\belowdisplayshortskip 6\p@ \@plus3\p@ \@minus3\p@
\belowdisplayskip \abovedisplayskip
\def\@listi{\leftmargin\leftmargini
\topsep 0\p@ %\@plus .001pt
\parsep 0\p@ %\@plus .001pt
\itemsep \parsep}%
}
%
%C&G
% We need to reduce the negative elasticity on the baselineskip
% \baselineskip=11pt plus .001pt minus 0.25pt
% this change moved to production.sty
%
\newcommand{\small}{%
\ifjdraft
\@setfontsize\small\@ixpt{22pt}%
% C&G 11/5/01 \@setfontsize\small\@ixpt{17}%
\else
\@setfontsize\small\@ixpt{11}%
\fi
\ifgalley
\baselineskip=10pt
\else
\baselineskip=10pt plus .001pt minus 1pt
\parskip=0pt % plus .001pt %% amyh
\fi
\abovedisplayskip 10\p@ %\@plus.001\p@
\abovedisplayshortskip \z@ \@plus2\p@
\belowdisplayshortskip 4\p@ \@plus2\p@ \@minus2\p@
\def\@listi{\leftmargin\leftmargini
\topsep 1\p@ %\@plus .001pt
\parsep 1\p@ %\@plus .001pt
\itemsep \parsep}%
\belowdisplayskip \abovedisplayskip
}
%C&G 6/26/01 Change footnotesize to 8/9
\newcommand{\footnotesize}{%
\ifjdraft
% C&G 11/5/01 \@setfontsize\footnotesize\@viiipt{17}%
\@setfontsize\footnotesize\@viiipt{20pt}%
\else
\@setfontsize\footnotesize\@viiipt{9}%
\ifgalley\else
\baselineskip=9 pt plus .001pt minus .5pt
\fi\fi
\abovedisplayskip 6\p@ \@plus2\p@ \@minus4\p@
\abovedisplayshortskip \z@ \@plus\p@
\belowdisplayshortskip 3\p@ \@plus\p@ \@minus2\p@
\def\@listi{\leftmargin\leftmargini
\topsep 3\p@ \@plus\p@ \@minus\p@
\parsep 2\p@ \@plus\p@ \@minus\p@
\itemsep \parsep}%
\belowdisplayskip \abovedisplayskip
}
\newcommand{\scriptsize}{\@setfontsize\scriptsize\@viipt\@viiipt}
\newcommand{\tiny}{\@setfontsize\tiny\@vpt\@vipt}
\newcommand{\large}{\@setfontsize\large\@xiipt{14}
\ifjdraft\baselineskip=28pt\else\ifgalley\else
\baselineskip 14pt plus .01pt minus 2pt\fi\fi
\def\@listi{\leftmargin\leftmargini
\topsep 1\p@ \@plus .001pt
\parsep 1\p@ \@plus .001pt
\itemsep \parsep}%
}
\newcommand{\Large}{\@setfontsize\Large\@xivpt{18}}
\newcommand{\LARGE}{\@setfontsize\LARGE\@xviipt{22}}
\newcommand{\huge}{\@setfontsize\huge\@xxpt{25}}
\newcommand{\Huge}{\@setfontsize\Huge\@xxvpt{30}}
\@maxdepth\maxdepth
\DeclareOldFontCommand{\rm}{\normalfont\rmfamily}{\mathrm}
\DeclareOldFontCommand{\sf}{\normalfont\sffamily}{\mathsf}
\DeclareOldFontCommand{\tt}{\normalfont\ttfamily}{\mathtt}
\DeclareOldFontCommand{\bf}{\normalfont\bfseries}{\mathbf}
\DeclareOldFontCommand{\it}{\normalfont\itshape}{\mathit}
\DeclareOldFontCommand{\sl}{\normalfont\slshape}{\@nomath\sl}
\DeclareOldFontCommand{\sc}{\normalfont\scshape}{\@nomath\sc}
\DeclareRobustCommand*{\cal}{\@fontswitch{\relax}{\mathcal}}
\DeclareRobustCommand*{\mit}{\@fontswitch{\relax}{\mathnormal}}
\else %% LaTeX2.09
%% To get bold super and sub-scripts in the right size:
\gdef\xpt{\textfont\z@\tenrm
\scriptfont\z@\sevrm \scriptscriptfont\z@\fivrm
\textfont\@ne\tenmi \scriptfont\@ne\sevmi \scriptscriptfont\@ne\fivmi
\textfont\tw@\tensy \scriptfont\tw@\sevsy \scriptscriptfont\tw@\fivsy
\textfont\thr@@\tenex \scriptfont\thr@@\tenex \scriptscriptfont\thr@@\tenex
\def\unboldmath{\relax}
\def\boldmath{\relax}
\def\prm{\fam\z@\tenrm}%
\def\pit{\fam\itfam\tenit}\textfont\itfam\tenit \scriptfont\itfam\sevit
\scriptscriptfont\itfam\sevit
\def\psl{\fam\slfam\tensl}\textfont\slfam\tensl
\scriptfont\slfam\tensl \scriptscriptfont\slfam\tensl
\def\pbf{\fam\bffam\tenbf}\textfont\bffam\tenbf
\scriptfont\bffam\sevbf \scriptscriptfont\bffam\fivbf
\def\ptt{\fam\ttfam\tentt}\textfont\ttfam\tentt
\scriptfont\ttfam\tentt \scriptscriptfont\ttfam\tentt
\def\psf{\fam\sffam\tensf}\textfont\sffam\tensf
\scriptfont\sffam\tensf \scriptscriptfont\sffam\tensf
\def\psc{\@getfont\psc\scfam\@xpt{\@mcsc}}%
\def\ly{\fam\lyfam\tenly}\textfont\lyfam\tenly
\scriptfont\lyfam\sevly \scriptscriptfont\lyfam\fivly
\@setstrut \rm}
% 11/5/01 C&G baselineskip increased to 28pt
\gdef\@normalsize{\ifjdraft
\@setsize\normalsize{12pt}\xpt\@xpt
\baselineskip=28pt
\else
\@setsize\normalsize{12pt}\xpt\@xpt
\fi
\abovedisplayskip 10\p@ plus2\p@ minus5\p@
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus3\p@
\belowdisplayshortskip 6\p@ plus3\p@ minus3\p@
\let\@listi\@listI}
% 11/5/01 C&G baselineskip increased to 28pt
\newcommand{\bignormalsize}{%
\ifjdraft%
\@setsize\bignormalsize{22pt}\@xipt\@xviipt%
\baselineskip=28pt%
\else%
\@setsize\bignormalsize{13pt}\@xipt\@xipt%
\fi%
\abovedisplayskip 10\p@ plus2\p@ minus5\p@%
\belowdisplayskip \abovedisplayskip%
\abovedisplayshortskip \z@ plus3\p@%
\belowdisplayshortskip 6\p@ plus3\p@ minus3\p@%
\let\@listi\@listI}
% 11/5/01 C&G bselineskip increased to 28pt
\gdef\small{\ifjdraft
\@setsize\small{22pt}\ixpt\@ixpt
\baselineskip=28pt
\else
\@setsize\small{11pt}\ixpt\@ixpt
\fi
\abovedisplayskip 4\p@ %plus3\p@ minus4\p@
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus2\p@
\belowdisplayshortskip 4\p@ plus2\p@ minus2\p@
\def\@listi{\leftmargin\leftmargini
\topsep 4\p@ plus2\p@ minus2\p@\parsep 0\p@ plus\p@ minus\p@
\itemsep \parsep}}
\gdef\footnotesize{\ifjdraft
\@setsize\footnotesize{22pt}\viiipt\@viiipt
\baselineskip=24pt
\else
\@setsize\footnotesize{9.5pt}\viiipt\@viiipt
\fi
\abovedisplayskip 6\p@ plus2\p@ minus4\p@
\belowdisplayskip \abovedisplayskip
\abovedisplayshortskip \z@ plus\p@
\belowdisplayshortskip 3\p@ plus\p@ minus2\p@
\def\@listi{\leftmargin\leftmargini
\topsep 3\p@ plus\p@ minus\p@\parsep 2\p@ plus\p@ minus\p@
\itemsep \parsep}}
%
\gdef\scriptsize{\@setsize\scriptsize{8pt}\viipt\@viipt
\ifjdraft\baselineskip=16pt\fi}
\gdef\tiny{\@setsize\tiny{6pt}\vpt\@vpt
\ifjdraft\baselineskip=16pt\fi}
\gdef\large{\@setsize\large{14pt}\xiipt\@xiipt
\ifjdraft\baselineskip=28pt\fi}
\gdef\Large{\@setsize\Large{18pt}\xivpt\@xivpt
\ifjdraft\baselineskip=28pt\fi}
\gdef\LARGE{\@setsize\LARGE{22pt}\xviipt\@xviipt
\ifjdraft\baselineskip=28pt\fi}
\gdef\huge{\@setsize\huge{25pt}\xxpt\@xxpt}
\gdef\Huge{\@setsize\Huge{30pt}\xxvpt\@xxvpt}
%
\gdef\bfseries{\bf}
\fi
\normalsize
\let\savenormalsize\normalsize
\ifll\else
% this causes too many errors, let's get rid of it in 2.09 version:
\global\let\boldmath\relax \global\let\unboldmath\relax
\fi
%%xx Never used.
\newif\if@openbib
%\@openbibtrue
\@openbibfalse
%%%%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% <===== end 2e switches
%%%%%
\def\@ptsize{0}
\@twosidetrue % Defines twoside option.
\@mparswitchtrue % Marginpars go on outside of page.
%% Special text placement: quotation, quote
\def\quotation{\footnotesize\list{}{\listparindent 1.5em
\itemindent\listparindent
\rightmargin\leftmargin
\parsep=0pt plus .001pt \topsep=6.5pt plus.001pt}\item[]}
\let\endquotation=\endlist
\def\quote{\list{}{\rightmargin\leftmargin}\item[]\ignorespaces}
\let\endquote=\endlist
%%%%%
%% Default Dimension Settings
\arraycolsep 3pt % was 5pt
% Half the space between columns in an array environment.
\tabcolsep 4pt
% Half the space between columns in a tabular environment.
\arrayrulewidth .4pt
% Width of rules in array and tabular environment.
\doublerulesep 2pt
% Space between adjacent rules in array or tabular env.
\tabbingsep \labelsep
% Space used by the \' command. (See LaTeX manual.)
\skip\@mpfootins = \skip\footins
\fboxsep = 3pt
% Space left between box and text by \fbox and \framebox.
\fboxrule = .4pt
% Width of rules in box made by \fbox and \framebox.
%% Setting up counters
\newcounter {chapter} %% used to reset other counters in article.
\newcounter {section}[chapter]
\newcounter {subsection}[section]
\newcounter {subsubsection}[subsection]
\@addtoreset{equation}{chapter} % Makes \chapter reset 'equation' counter.
\def\theequation{\ifappendon\Alph{section}\fi%
\arabic{equation}\themathletter}
\let\savetheequation\theequation
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%%%%%%
%% Figure and table counters and parameters.
\newcounter{figure}[chapter]
\newcounter{table}[chapter]
\def\thefigure{S\@arabic\c@figure\theletter}
\def\thetable{S\@arabic\c@table\theletter}
\def\fps@figure{tbp}
\def\ftype@figure{1}
\def\fnum@figure{\figurename~\thefigure}
\def\figure{\@float{figure}}
\def\endfigure{\end@float\gdef\@currentlabel{}}
%% Table counters and parameters.
\def\fps@table{tbp}
\def\ftype@table{2}
\def\fnum@table{\tablename~\thetable}
%%%%
%% Listing defaults:
\def\labelenumi{\theenumi}
\def\theenumi{\normalsize\rm\arabic{enumi}.}
\def\labelenumii{\theenumii}
\def\theenumii{\hss(\roman{enumii})}
\def\p@enumii{\theenumii}
\def\labelenumiii{\normalsize\theenumiii}
\def\theenumiii{\normalsize\alph{enumiii}.}
\def\p@enumiii{\theenumiii}
\def\labelenumiv{\theenumiv}
\def\theenumiv{\normalsize\Alph{enumiv}}
\def\p@enumiv{\theenumiv}
\def\enumerate{\ifnum \@enumdepth >\thr@@ \@toodeep \else
\advance \@enumdepth \@ne
\edef\@enumctr{enum\romannumeral\the\@enumdepth }%
\expandafter\list\csname label\@enumctr \endcsname
{\usecounter \@enumctr \def\makelabel ##1{%
\ifdim\leftmargin=1sp\relax\hskip\saveparindent\fi
\ifdim\leftmargin=2sp\relax\hskip2\saveparindent\fi
\hskip\@itemdepth\saveparindent\relax%
\hskip\@enumdepth\saveparindent\relax ##1}}
\fi}
\def\itemize{\ifnum \@itemdepth >\thr@@ \@toodeep \else
\advance \@itemdepth \@ne
\edef \@itemitem {labelitem\romannumeral\the\@itemdepth}%
\expandafter\list\csname \@itemitem \endcsname {\def\makelabel ##1{%
\ifdim\leftmargin=1sp\relax\hskip\saveparindent\fi
\ifdim\leftmargin=2sp\relax\hskip2\saveparindent\fi
\hskip\@enumdepth\saveparindent\relax%
\hskip\@itemdepth\saveparindent\relax##1}}\fi}
\newenvironment{description}
{\leftmargini=0pt \leftmarginii=1sp \leftmarginiii=2sp
\list{}{\labelwidth\z@ \itemindent-\leftmargin
\let\makelabel\descriptionlabel}}
{\endlist}
\newcommand*\descriptionlabel[1]{\hspace\labelsep
\ifdim\leftmargin=0pt \hskip\saveparindent
\else \ifdim\leftmargin=1sp \hskip2\saveparindent
\else \ifdim\leftmargin=2sp \hskip3\saveparindent\fi\fi\fi
\normalsize\it #1}
\def\labelitemi{\normalsize$\m@th\bullet$}
\def\labelitemii{{\bf --}}
\def\labelitemiii{\normalsize$\m@th\ast$}
\def\labelitemiv{\normalsize$\m@th\cdot$}
\leftmargini 0pt
\leftmarginii 0pt
\leftmarginiii 0pt
\leftmarginiv 0 pt
\leftmarginv 0pt
\leftmarginvi 0pt
\leftmargin\leftmargini
\labelsep 4pt
\labelwidth\leftmargini\advance\labelwidth-\labelsep
\def\@endparenv{%
\addpenalty\@endparpenalty%\addvspace\@topsepadd\@endpetrue
}
\def\@listI{\leftmargin\leftmargini
\rightmargin\leftmargini
\parsep 1sp plus.001\p@
\topsep 1sp plus.001\p@
\itemsep 1sp plus.001\p@
}
\let\@listi\@listI
\@listi
\def\@listii{\leftmargin\leftmarginii
\labelwidth\leftmarginii\advance\labelwidth-\labelsep
\topsep 4\p@ plus2\p@ minus\p@
\parsep 2\p@ plus\p@ minus\p@
\itemsep \parsep}
\def\@listiii{\leftmargin\leftmarginiii
\labelwidth\leftmarginiii\advance\labelwidth-\labelsep
\topsep 2\p@ plus\p@ minus\p@
\parsep \z@ \partopsep \p@ plus\z@ minus\p@
\itemsep \topsep}
\def\@listiv{\leftmargin\leftmarginiv
\labelwidth\leftmarginiv\advance\labelwidth-\labelsep}
\def\@listv{\leftmargin\leftmarginv
\labelwidth\leftmarginv\advance\labelwidth-\labelsep}
\def\@listvi{\leftmargin\leftmarginvi
\labelwidth\leftmarginvi\advance\labelwidth-\labelsep}
%%%%%%%
% Makes \chapter reset 'footnote' counter:
\@addtoreset{footnote}{chapter}
\@addtoreset{subsubsubsection}{chapter}
\@addtoreset{subsubsubsection}{section}
\@addtoreset{subsubsubsection}{subsection}
\@addtoreset{subsubsubsection}{subsubsection}
%%%%%%%
%%% General tools: Macros added or changed from original LaTeX,
%% i) Math macros: Special equation numbers; bolding math characters
%% that don't get bold with \mathbf; Lettered equation numbers.
%% aguleftmath, to make second line of equation indent by parindent
%% ii) Lettered captions for tables and figures,
%% Multiple caption lines may center automatically.
%% iii) Tables, captions will adjust horizontal size to match width
%% of table. Ruled lines added to top or bottom of table.
%% Table content will extend to the left and right of columns,
%% no extra horizontal space left.
%% iv) Date and time macros for use in Draft line
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% i) Math macros: Special equation numbers;
%% \bbf for making math characters bold that
%% won't turn bold with \mathbf; Lettered equation numbers.
%% Aguleftmath, for second line indenting only width of parindent
%% Special equation numbers, such as 16'
%% Equation counter will not advance
\def\specialeqnum#1{\global\firsttimefalse
\mathletter{xxx}\gdef\theequation{#1}}
\let\seteqnum\specialeqnum
\let\eqnum\specialeqnum
\def\xa{a}
\def\xA{A}
%% Bold math, for making math characters bold that
%% won't turn bold with \mathbf
\def\bbf#1{\hbox{\savenormalsize\boldmath$\displaystyle#1$}}
%% Math Letters:
\def\themathletter{\relax}
\def\mathletter#1{\gdef\themathletter{#1}}
\def\xrelax{\relax}
\let\templabel\relax
\def\xlabel#1{\gdef\templabel{#1}}
\def\ylabel#1{\gdef\ytemplabel{#1}}
\newif\iffirsttime
\global\firsttimetrue
\def\equation{$$ % $$ BRACE MATCHING HACK
\setbox0=\hbox\bgroup $ \displaystyle%
\let\label\xlabel}
\let\savelabel\label
\def\endequation{$\egroup%
%
\ifx\themathletter\xrelax\global\firsttimetrue%
\refstepcounter{equation}\else%
\ifx\themathletter\xa\global\firsttimetrue\fi
\ifx\themathletter\xA\global\firsttimetrue\fi
\iffirsttime\global\firsttimefalse\refstepcounter{equation}\fi\fi%
%
\setbox1=\hbox{\copy0\@eqnnum}%
%
\ifdim\wd1>\linewidth%
\vbox{\unskip\noindent\hbox to\hsize{\hss\unhbox0\hss}\vskip3pt%
\noindent\hbox to\hsize{\hfill\displaywidth\linewidth\llap{\@eqnnum}}}%
\else%
\vbox{\unskip\noindent\hbox to\linewidth{%
\hfil\unhbox0\hfil\displaywidth\linewidth\llap{\@eqnnum}}}%
\fi%
\let\@currentlabel=\theequation%
\ifx\templabel\relax\else\savelabel{\templabel}\fi%
\global\let\templabel\relax%
\gdef\theequation{\savetheequation}%
\gdef\themathletter{\relax}%
\global\@ignoretrue$$}
\def\@@eqncr{\let\@tempa\relax
\ifcase\@eqcnt \def\@tempa{& & &}\or \def\@tempa{& &}
\else \def\@tempa{&}\fi
\@tempa
\ifx\themathletter\xrelax
%% make equation letters work ==>
\if@eqnsw
\ifaguleftmath\else
\stepcounter{equation}\fi\fi
%% <==
\else
\ifx\themathletter\xa\global\firsttimetrue\fi
\ifx\themathletter\xA\global\firsttimetrue\fi
\iffirsttime\global\firsttimefalse\stepcounter{equation}
\fi\fi
\if@eqnsw\@eqnnum
\fi
\expandafter\ifx\csname ytemplabel\endcsname\relax
\else\savelabel{\ytemplabel}\fi%%% <<=== make label
\global\let\ytemplabel\relax % catch current number and letter
\global\let\themathletter\xrelax % <<===
\gdef\theequation{\savetheequation}
\global\@eqnswtrue\global\@eqcnt\z@\cr}
%% variation on code taken from fleqn.clo
\def\eqnarray{%
\let\label\ylabel
\def\@currentlabel{\p@equation\theequation}%
\global\@eqnswtrue\m@th
\global\@eqcnt\z@
\tabskip\mathindent
\let\\=\@eqncr
$$\everycr{}\halign to\linewidth% $$
\bgroup
\hskip\@centering
$\displaystyle\tabskip\z@skip{##}$\@eqnsel&%
\global\@eqcnt\@ne \hskip \tw@\arraycolsep \hfil${##}$\hfil&%
\global\@eqcnt\tw@ \hskip \tw@\arraycolsep
$\displaystyle{##}$\hfil \tabskip\@centering&%
\global\@eqcnt\thr@@
\hb@xt@\z@\bgroup\hss##\egroup\tabskip\z@skip\cr}%
\def\endeqnarray{\@@eqncr\egroup\global\@ignoretrue$$%
\global\firsttimetrue%
\global\let\ytemplabel\relax%
\gdef\theequation{\savetheequation}%
\def\themathletter{\relax}}
\@namedef{eqnarray*}{\def\@eqncr{\nonumber\@seqncr}\eqnarray}
\@namedef{endeqnarray*}{\nonumber\endeqnarray}
%%%%%% AGUleftmath
%% Making AGU math indent by a parindent
\newdimen\mathindent
\mathindent=0pt
\def\new@xeqncr[#1]{%
\nonumber
\ifnum0=`{\fi}%
\@@eqncr
\noalign{\penalty\@eqpen\vskip\jot\vskip #1\relax}%
\hspace*{\parindent}}
\newif\ifaguleftmath
\newenvironment{aguleftmath}{%
\global\aguleftmathtrue
\stepcounter{equation}%
\def\@currentlabel{\p@equation\theequation}%
\global\@eqnswtrue\m@th
\global\@eqcnt\z@
\tabskip\mathindent
\let\\=\@eqncr
\let\@xeqncr=\new@xeqncr
$$\everycr{}\halign to\hsize% $$
\bgroup
$\displaystyle\tabskip\z@skip{##}$\@eqnsel&%
\global\@eqcnt\@ne \hskip \tw@\arraycolsep \hfil${##}$\hfil&%
\global\@eqcnt\tw@ \hskip \tw@\arraycolsep
$\displaystyle{##}$\hfil \tabskip\@centering&%
\global\@eqcnt\thr@@
\hb@xt@\z@\bgroup\hss##\egroup\tabskip\z@skip\cr}%
{\@@eqncr
\egroup
% \global\advance\c@equation\m@ne
$$%
\global\aguleftmathfalse
\@ignoretrue}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% ii) Lettered captions for tables and figures,
%% Multiple caption lines may center automatically.
\def\theletter{\relax}
\newif\ifxfirsttime
\xfirsttimetrue
\def\xtable{table}
\def\xplate{plate}
\def\xrelax{\relax}
\newif\ifcontinued
\def\continuedcaption{\global\continuedtrue\caption{(continued)}}
\def\caption{\ifx\@captype\xtable
%
\ifx\theletter\xrelax\global\xfirsttimetrue
\ifcontinued\global\continuedfalse\else
%\ifappendon\else% don't advance counter because using another counter
\refstepcounter{table}
%\fi
\fi
\else
\ifxfirsttime\global\xfirsttimefalse
\ifcontinued\global\continuedfalse
\else \refstepcounter{table}
\fi
\fi
\fi
%
\else% figure and plate
\ifx\theletter\xrelax\global\xfirsttimetrue
\ifcontinued\global\continuedfalse\else%
% \ifappendon
%\ifx\@captype\xplate \refstepcounter{plate}\fi %% don't know why this works!
%\else% don't advance counter because using another counter
\refstepcounter{\@captype}
\fi%\fi
\else%
\ifxfirsttime\global\xfirsttimefalse%
\ifcontinued\global\continuedfalse\else%
%\ifappendon
%\ifx\@captype\xplate \refstepcounter{plate}\fi %% don't know why this works!
%\else% don't advance counter because using another counter
\refstepcounter{\@captype}
%\fi
\fi\fi\fi\fi%
\xdef\currcaptype{\@captype}%
\xdef\@currentlabel{\expandafter\csname p@\@captype\endcsname%
\expandafter\csname the\@captype\endcsname}%
\@dblarg{\@caption\@captype}}
\def\letteredcaption#1{\gdef\theletter{#1}\caption}
\def\letteredcontinuedcaption#1{\gdef\theletter{#1}\continuedcaption}
\def\appcaption#1{%
\ifx\@captype\xtable\centermultiplelinesfalse
\ifx\theletter\xrelax%
\global\xfirsttimetrue \ifcontinued\global\continuedfalse\else%
\global\advance\c@apptable by 1\fi\else%
\ifxfirsttime\global\xfirsttimefalse%
\ifcontinued\global\continuedfalse\else%
\global\advance\c@apptable by1\relax
\fi\fi\fi
\else%
\ifx\@captype\xplate
\ifx\theletter\xrelax%
\global\xfirsttimetrue\ifcontinued\global\continuedfalse\else%
\global\advance\c@appplate by 1\fi\else%
\ifxfirsttime\global\xfirsttimefalse%
\ifcontinued\global\continuedfalse\else%
\global\advance\c@appplate by1\relax
\fi\fi\fi
\else
\ifx\theletter\xrelax%
\global\xfirsttimetrue\ifcontinued\global\continuedfalse\else%
\global\advance\c@appfigure by 1\fi\else%
\ifxfirsttime\global\xfirsttimefalse%
\ifcontinued\global\continuedfalse\else%
\global\advance\c@appfigure by1\relax
\fi\fi\fi
\fi\fi%
%
\def\thefigure{\Alph{section}\the\c@appfigure}
\def\thetable{\Alph{section}\the\c@apptable}
\def\theplate{\Alph{section}\the\c@appplate}
\xdef\currcaptype{\@captype}%
\xsavecaption{#1}}
\newskip\abovefigcaptionskip
\newskip\abovetabcaptionskip
\newskip\abovetableskip
\newif\ifcentermultiplelines
\newif\ifcentersingleline
\newif\ifcentersingletabline
\newif\iflineabovetabcaption
\newif\iflinebelowtabcaption
\newdimen\belowtabcaptionskip
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%% Landscape figures and tables. Need \usepackage{graphicx} to work.
\newif\iflandscapetable
\newif\iflandscapetaborfig
\newif\iflandscape
\newbox\landscapebox
\def\landscapeonecoltable{%
\expandafter\ifx\csname rotatebox\endcsname\relax
\show\landscapeerror\fi
\advance\textheight by-8pt %to compensate for topskip
\ifgalley
\global\setbox\landscapebox\vbox\bgroup
\hsize\textheight
\captionwidth=\landscapecaptionwidth
\centering
\def\@captype{table}\captypefigfalse
\doonecolfighere
\landscapetaborfigtrue
\else
\vskip-1.5pt
\goodbreak
\global\setbox\landscapebox\vbox\bgroup\hsize\textheight
\global\landscapetaborfigtrue
\begin{table}[h]
\hsize=\textheight
\captionwidth=\hsize
\parindent=0pt
\centering
\fi}
\def\endlandscapeonecoltable{
\ifgalley
\endonecolfighere\egroup
\insert\figinsert{\newpage\vbox to\textheight{\vss
\rotatebox{90}{\vbox{\vskip-1.5pc
\landscapetaborfigtrue
\captionwidth=\landscapecaptionwidth
\hsize=\textheight
\unvbox\landscapebox
}}\vskip-12pt}\newpage}
\else
%% not galley, normal text:
\end{table}
\egroup
\vbox to\textheight{\vskip3pt
\rotatebox{90}{\vbox to\mycolumnwidth{%
\vfill
\vbox to \mycolumnwidth{\vskip-\columnsep
\vskip-6pt
\noindent
\unvbox\landscapebox
\vfill}}}
\vss}\vskip24pt\fi}
\def\landscapetwocoltable{%
\expandafter\ifx\csname rotatebox\endcsname\relax
\show\landscapeerror\fi
\ifgalley
\global\setbox\landscapebox\vbox\bgroup\hsize\textheight
\captionwidth=\landscapecaptionwidth
\centering
\def\@captype{table}\captypefigfalse
\doonecolfighere
\landscapetaborfigtrue
\else
\begin{table*}[p]
\newpage
\advance\textheight by-6pt
\global\setbox\landscapebox\vbox\bgroup\hsize\textheight
\landscapetaborfigtrue
\begin{table}[h]
\fi}
\def\endlandscapetwocoltable{\ifgalley
\endonecolfighere\egroup
\insert\figinsert{\newpage\vbox to\textheight{
\vskip12pt
\rotatebox{90}{\vbox{\vskip-1.5pc
\landscapetaborfigtrue
\captionwidth=\landscapecaptionwidth
\hsize=\textheight
\unvbox\landscapebox
}}\vss}\newpage}
\else
\end{table}
\egroup
\vbox to\textheight{\vskip-14pt
\rotatebox{90}{\vbox{
\landscapetaborfigtrue
\hsize=\textheight
\unvbox\landscapebox
}}\vss}\newpage
\end{table*}
\fi}
%%%
\def\landscapeonecolfigure{%
\vskip1pt
\goodbreak
\expandafter\ifx\csname rotatebox\endcsname\relax
\show\landscapeerror\fi
\advance\textheight by-6pt %to compensate for topskip
\ifgalley
\global\setbox\landscapebox\vbox to \textheight\bgroup\hsize\textheight
\captionwidth=\landscapecaptionwidth
\centering
\landscapetaborfigtrue
\def\@captype{figure}\captypefigtrue
\doonecolfighere
\landscapetaborfigtrue
\else
\vskip-1.5pt
\goodbreak
\hsize=\textheight
\global\setbox\landscapebox\vbox\bgroup\hsize\textheight
\vfill
\vskip-\intextfloatskip
\landscapetaborfigtrue
\begin{figure}[h]
\centering
\fi}
\def\endlandscapeonecolfigure{\ifgalley
\endonecolfighere\egroup
\insert\figinsert{\newpage\vbox to\textheight{\vss
\rotatebox{90}{\vbox{\landscapetaborfigtrue
\captionwidth=\landscapecaptionwidth
\hsize=\textheight
\unvbox\landscapebox
}}}}
\else
\end{figure}
\vskip-\intextfloatskip
\vskip-12pt
\vfill\egroup
\vbox to\textheight{\vskip4pt\vfill %%
\rotatebox{90}{\vbox to\mycolumnwidth{\vss
\landscapetaborfigtrue
\hsize=\textheight
\unvbox\landscapebox
\vskip\columnsep
\vskip6pt
}}\vfill}\vskip24pt\goodbreak\fi}
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
\def\landscapetwocolfigure{%
\expandafter\ifx\csname rotatebox\endcsname\relax
\show\landscapeerror\fi
\ifgalley
\global\setbox\landscapebox\vbox to \textwidth\bgroup\hsize\textheight
\captionwidth=\landscapecaptionwidth
\centering
\landscapetaborfigtrue
\def\@captype{figure}\captypefigtrue
\doonecolfighere
\landscapetaborfigtrue
\else
\begin{figure*}[p]
\newpage
\global\setbox\landscapebox\vbox\bgroup\hsize\textheight
\landscapetaborfigtrue
\begin{figure}[h]
\centering
\fi}
\def\endlandscapetwocolfigure{\ifgalley
\endonecolfighere\egroup
\insert\figinsert{\newpage\vbox to\textheight{\vskip\topskip
\rotatebox{90}{\vbox to\textwidth{\vfill
\landscapetaborfigtrue
\captionwidth=\landscapecaptionwidth
\hsize=\textheight
\unvbox\landscapebox
}}\vss}}
\else
\end{figure}
\egroup
\vbox to\textheight{\vskip12pt
\rotatebox{90}{\vbox to0pt{\vbox to \textwidth{\vfill
\landscapetaborfigtrue
\hsize=\textheight
\unvbox\landscapebox
\vskip12pt
}\vss}}\vss}\newpage\end{figure*}\fi}
\let\landscapetable\landscapeonecoltable