What can I explore to get a better sense of the different types of models on the SacPAS website?
Simple Calculations
- Trends (e.g., 10-year trend by decade in SARs of coded-wire-tagged fish)
Data & Alerts CWT Smolt-to-Adult Ratio (SAR) Estimates
- Averaged from historical data and extrapolated for forecasting in-season (e.g., Current Catch)
Data & Alerts Current Catch Unclipped Juveniles
Statistical Models
- Mark-recapture Cormack-Jolly-Seber model to estimate survival
Data & Alerts CalFishTrack Survival Estimates
- Mark-recapture modeling with time-varying covariates and temporally stratified multistate mark–recapture modeling to estimate survival, travel time, and routing (Perry et al. 2018; Hance et al. 2021)
Tools & Models Delta STARSTools & Models Fish Model Migration and Survival Modeling
- Machine learning (quantile regression forest) to estimate loss and salvage (Tillotson et al. 2022)
Tools & Models Loss & Salvage Predictor
Combinations of Submodels
- Model for forecasting the Juvenile Production Estimate that includes variance associated with observation error in the Juvenile Production Index, fry-to-smolt survival, and smolt survival (Method 2 in O’Farrell et al. 2018)
Data & Alerts JPE Letter Data
- Total passage estimates at RBDD, model that includes trap efficiency modeling, estimated variance in weekly or biweekly sampling periods, and fry-equivalent estimates (Voss and Poytress 2023)
Data & Alerts Red Bluff Daily Table
Mechanistic Models
- Biophysical model using lab-derived parameter estimates (Martin et al. 2017)
Tools & Models Fish Model Egg-to-Fry Modeling
- Temperature-dependent mortality with thermal critical window (Anderson et al. 2022)
Tools & Models Fish Model Egg-to-Fry Modeling