Change docs back to 'zone'

docs/src/data_documentation.md

@@ -188,7 +188,7 @@ This input file contains input parameters related to: 1) definition of model zon
 |**Settings-specific Columns**|
 |**Multiple zone model**||
 |Network\_Lines | Numerical index for each network line. The length of this column is counted but the actual values are not used.|
-| z* (Network map) **OR** Start_Node, End_Node | See below |
+| z* (Network map) **OR** Start_Zone, End_Zone | See below |
 |Line\_Max\_Flow\_MW | Existing capacity of the inter-regional transmission line.|
 |**NetworkExpansion = 1**||
 |Line\_Max\_Reinforcement\_MW |Maximum allowable capacity addition to the existing transmission line.|
@@ -211,10 +211,10 @@ This input file contains input parameters related to: 1) definition of model zon
 There are two interfaces implemented for specifying the network topology itself: a matrix interface and a list interface.
 Only one choice is permitted in a given file.
 
-The list interface consists of a column for the lines start node and one for the line's end node.
+The list interface consists of a column for the lines start zone and one for the line's end zone.
 Here is a snippet of the Network.csv file for a map with three zones and two lines:
 ```
-Network_Lines, Start_Node, End_Node,
+Network_Lines, Start_Zone, End_Zone,
             1,          1,        2,
             2,          1,        3,
 ```
@@ -229,8 +229,8 @@ Network_Lines, z1, z2, z3,
             2,  1,  0, -1,
 ```
 
-Note that in either case, positive flows indicate flow from start to end node;
-negative flows indicate flow from end to start node.
+Note that in either case, positive flows indicate flow from start to end zone;
+negative flows indicate flow from end to start zone.
 
 
 #### 2.1.3 Demand\_data.csv (Load\_data.csv)

docs/src/model_notation.md

@@ -238,7 +238,7 @@ $\mathcal{W} \subseteq \mathcal{G}$ | where $\mathcal{W}$ set of hydroelectric g
 |$\rho_{y,z,t}^{max,pv}$ | Maximum available generation per unit of installed capacity for the solar PV component of a co-located VRE and storage resource during time step t for technology y in zone z [%]|
 |$\rho_{y,z,t}^{max,wind}$ | Maximum available generation per unit of installed capacity for the wind component of a co-located VRE and storage resource during time step t for technology y in zone z [%]|
 |$VREIndex_{y,z}$ | Resource bin index for VRE technology $y$ in zone $z$. $VREIndex_{y,z}=1$ for the first bin, and $VREIndex_{y,z}=0$ for remaining bins. Only defined for $y\in \mathcal{VRE}$ |
-|$\varphi^{map}_{l,z}$ | Topology of the network, for line l: $\varphi^{map}_{l,z}=1$ for start node $z$, - 1 for end node $z$, 0 otherwise. |
+|$\varphi^{map}_{l,z}$ | Topology of the network, for line l: $\varphi^{map}_{l,z}=1$ for start zone $z$, - 1 for end zone $z$, 0 otherwise. |
 |$\eta_{y,z}^{loss}$ | Self discharge rate per time step per unit of installed capacity for storage technology $y$ in zone $z$ [%]|
 |$\eta_{y,z}^{charge}$ | Single-trip efficiency of storage charging/demand deferral for technology $y$ in zone $z$ [%]|
 |$\eta_{y,z}^{discharge}$ | Single-trip efficiency of storage (and hydro reservoir) discharging/demand satisfaction for technology $y$ in zone $z$ [%]|