docs(mf6io): update evta and rcha period block loading behavior (#1397)

Co-authored-by: mjreno <[email protected]>
MODFLOW-USGS · Oct 12, 2023 · b1f4027 · b1f4027
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diff --git a/doc/mf6io/gwf/bcoptions.tex b/doc/mf6io/gwf/bcoptions.tex
@@ -40,4 +40,6 @@
 
 \newcommand{\packageperioddescription}{All of the stress package information in the PERIOD block will continue to apply for subsequent stress periods until the end of the simulation, or until another PERIOD block is encountered.  When a new PERIOD block is encountered, all of the stresses from the previous block are replaced with the stresses in the new PERIOD block.  Note that this behavior is different from the advanced packages (MAW, SFR, LAK, and UZF).  To turn off all of the stresses for a stress period, a PERIOD block must be specified with no entries.  If a PERIOD block is not specified for the first stress period, then no stresses will be applied until the \texttt{iper} value of the first PERIOD block in the file.}
 
+\newcommand{\packageperioddescriptionarray}[1]{All of the stress package information in the PERIOD block will continue to apply for subsequent stress periods until the end of the simulation, or until another PERIOD block is encountered.  When a new PERIOD block is encountered, the array-based input specified by the user will replace the arrays currently in memory.  If an array is not specified in the period block, then that array will retain its present values in memory.  With the array-based input, the user must specify a {#1} rate of zero in order to turn {#1} off for a stress period.  This behavior is different from list-based input in which an empty PERIOD block results in no stresses being applied.}
+
 \newcommand{\advancedpackageperioddescription}[2]{All of the advanced stress package information in the PERIOD block will continue to apply for subsequent stress periods until the end of the simulation, or until another PERIOD block is encountered.  When a new PERIOD block is encountered only the {#2} specified in the new period block will be changed.  A {#1} not specified in the new period block will continue to behave according to its specification in the previous PERIOD block.  Note that this behavior is different from the simple stress packages (CHD, WEL, DRN, RIV, GHB, RCH and EVT), in which any stress not specified in a new PERIOD block will be removed.  To turn off all of the advanced stresses for a stress period, a PERIOD block must be specified with settings that deactivate the {#2}.  If a PERIOD block is not specified for the first stress period, then no stresses will be applied.}
diff --git a/doc/mf6io/gwf/evta.tex b/doc/mf6io/gwf/evta.tex
@@ -13,7 +13,7 @@ \subsubsection{Structure of Blocks}
 \vspace{5mm}
 \noindent \textit{FOR ANY STRESS PERIOD}
 \lstinputlisting[style=blockdefinition]{./mf6ivar/tex/gwf-evta-period.dat}
-\packageperioddescription
+\packageperioddescriptionarray{evapotranspiration}
 
 \vspace{5mm}
 \subsubsection{Explanation of Variables}

diff --git a/doc/mf6io/gwf/rcha.tex b/doc/mf6io/gwf/rcha.tex
@@ -14,7 +14,7 @@ \subsubsection{Structure of Blocks}
 \vspace{5mm}
 \noindent \textit{FOR ANY STRESS PERIOD}
 \lstinputlisting[style=blockdefinition]{./mf6ivar/tex/gwf-rcha-period.dat}
-\packageperioddescription
+\packageperioddescriptionarray{recharge}
 
 \vspace{5mm}
 \subsubsection{Explanation of Variables}
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Expand Up		@@ -40,4 +40,6 @@

		\newcommand{\packageperioddescription}{All of the stress package information in the PERIOD block will continue to apply for subsequent stress periods until the end of the simulation, or until another PERIOD block is encountered. When a new PERIOD block is encountered, all of the stresses from the previous block are replaced with the stresses in the new PERIOD block. Note that this behavior is different from the advanced packages (MAW, SFR, LAK, and UZF). To turn off all of the stresses for a stress period, a PERIOD block must be specified with no entries. If a PERIOD block is not specified for the first stress period, then no stresses will be applied until the \texttt{iper} value of the first PERIOD block in the file.}

		\newcommand{\packageperioddescriptionarray}[1]{All of the stress package information in the PERIOD block will continue to apply for subsequent stress periods until the end of the simulation, or until another PERIOD block is encountered. When a new PERIOD block is encountered, the array-based input specified by the user will replace the arrays currently in memory. If an array is not specified in the period block, then that array will retain its present values in memory. With the array-based input, the user must specify a {#1} rate of zero in order to turn {#1} off for a stress period. This behavior is different from list-based input in which an empty PERIOD block results in no stresses being applied.}

		\newcommand{\advancedpackageperioddescription}[2]{All of the advanced stress package information in the PERIOD block will continue to apply for subsequent stress periods until the end of the simulation, or until another PERIOD block is encountered. When a new PERIOD block is encountered only the {#2} specified in the new period block will be changed. A {#1} not specified in the new period block will continue to behave according to its specification in the previous PERIOD block. Note that this behavior is different from the simple stress packages (CHD, WEL, DRN, RIV, GHB, RCH and EVT), in which any stress not specified in a new PERIOD block will be removed. To turn off all of the advanced stresses for a stress period, a PERIOD block must be specified with settings that deactivate the {#2}. If a PERIOD block is not specified for the first stress period, then no stresses will be applied.}