Survival Inputs
Overview
Parameters of the XT survival model for each user-specified survival group (reach).
Example
Survival_Inputs
Survival_Parameters
Output_Path: .\output\survival-01-16-2013.csv
Number_of_Survival_Calculation_Group: 10
# group 0 in Russ's report from Sacramento to Freeport
Group_1
Name: Sac to Fpt
# station is defined by (channel number, distance from upstream node)
# the group number for a start station will be used as the key to search for the calculation group
# Lambda and X in feet, Omega in feet/second
Start_Station: (412,0)
End_Station: (415,0)
Exchangeable_Start_Station:
Lambda Omega X
1208005.29 0.558198472 65616.8
End_Group_1
# group 1 in Russ's report from Freeport to Sutter/Steamboat Sloughs
...
End_Survival_Parameters
End_Survival_Inputs
Field Descriptions
Output_Path
Description: the path to the survival output file. Note that Windows path separators () should be used. To specify paths relative to the working directory from which the ECO-PTM was launched, use a period followed by the relative path.
Example: Output_Path: .\output\survival-01-01-2011.csv
Number_of_Survival_Calculation_Group
Description: the number of defined groups (reaches) that will be used for survival calculations
Example: Number_of_Survival_Calculation_Group: 10
Group_
Example keyword: Group_1
Name
Description: the name of the reach. This is used to label the outputs in the output file.
Example: Name: Sac to Fpt
Start_Station
Description: location of the station, specified using a channel number and a distance (feet) from the upstream node of the channel. Only a single start station can be specified, and the start stations must be unique for each reach. Only a single station per channel is allowed.
Example: Start_Station: (412,0)
End_Station
Description: the location(s) of one or more end stations, specified using a channel number and a distance (feet) from the upstream node of the channel. Multiple end stations can be specified, and end stations may be shared with multiple reaches. The end station must be in a different channel from the start station, and only a single station per channel is allowed.
Example: End_Station: (365,0), (423,0), (366,0)
Exchangeable_Start_Station
Description: to accommodate particles that begin traveling through a reach but then subsequently enter another reach before passing one of the original reach’s end stations, the user can define one or more exchangeable start stations for each reach. If a particle passes one of the exchangeable start stations before passing an end station, its survival will be calculated for the new reach instead of the original reach. However, the travel time clock will not be reset when the exchangeable start station is passed, i.e., the travel time will be calculated from the original reach’s start station.
Example: Exchangeable_Start_Station: (379,951), (383,0)
Table
Description: specify the parameter values for the XT survival model
Lambda
Description: the mean free path (feet) between predator encounters
Example: 1208005.29
Omega
Description: the random encounter velocity (ft/sec)
Example: 0.558198472
X
Description: the length (feet) of the reach
Example: 65616.8
⚠️ Warning:
This block is optional